What patent licenses do new enterprises need to obtain if they engage in the construction of steel plate warehouses and steel plate warehouses?
This problem is more complicated. I just sorted out the domestic market information recently, and there is a patent information. The main patents of WDCPO steel warehouse patent group can be contacted with World Urban Construction Organization, an authorized operator in China. In addition, the following are some related patents for reference, and some details can be used for reference.
Independent equal cross-section funnel-type smoke and dust collecting device in electrolysis workshop
ApplicationNo./PatentNo.: 2008 10306447
The invention discloses an independent funnel-type smoke collection device with equal cross-section in an electrolytic workshop, which comprises a conical hood smoke collection box (1), wherein a shell-broken feeding connecting barrel (2) is arranged in the conical hood smoke collection box (1), and two clapboards (3) are vertically connected in the conical hood smoke collection box (1). In this way, the cross section of the flue of the invention will not change due to the influence of the broken shell feed receiver, so that the smoke will not be greatly attenuated when flowing in the smoke collection box, thus affecting the smoke collection effect. At the same time, the applicant calculated the gas collection efficiency of the flue of the large-scale six-point shell-breaking blanking electrolytic cell by computer simulation, and concluded that the pressure loss can be reduced by 60%, which greatly improved the gas collection efficiency of the smoke collection box, reduced waste gas emission and increased energy consumption.
Breaking funnel-shaped rotary mixer
ApplicationNo./PatentNo.: 2005200420 17
The utility model relates to a funnel-shaped rotary mixer, which can be applied to reaction devices in metallurgy, chemical industry and other fields. A discontinuous funnel-shaped rotary mixer comprises a funnel-shaped rotary mixer consisting of a conical inner wall and a cylindrical inner wall, and is characterized in that a plurality of blocks are arranged on the conical inner wall, and the blocks are rectangular. The top corners of the blocks are smooth curved surfaces, and three or four blocks are symmetrically distributed. The utility model can improve the mixing effect and stirring intensity of fluid and processing powder, fluid and processing liquid, reduce the processing time of the next working procedure and improve the productivity.
Uniform blanking device for large-diameter silo
ApplicationNo./PatentNo.: 2009203 18636
The utility model discloses a uniform blanking device for a large-diameter silo, which comprises a silo supporting cylinder wall 4 and a silo bucket 1. A conical steel cone 3 is arranged above the silo hopper 1, and the steel cone 3 is hung on the top of the silo through a steel hanger rod 2. The cone angle alpha of the steel cone 3 is 40-90 degrees. There are 3-8 steel suspenders, which are symmetrically distributed around the center of the circle. Compared with the prior art, the steel cone is arranged above the hopper, so that the steel cone and the hopper form a combined discharging hopper. The material first falls on the steel cone and then falls into the hopper. In this way, the materials fall into the hopper of the silo evenly and dispersedly, and the discharging speed is fast, so that the volume of the silo can be fully utilized.
A conical annular cavity is formed between the inner container and the upper part of the funnel. The bottom of the funnel is conical and flared.
Bottle cap capable of controlling the number of poured tablets
ApplicationNo./PatentNo.: 0020 1344
The utility model relates to a bottle cap capable of controlling the number of poured tablets, which consists of a bottle cap and a slide block, and is characterized in that the bottle cap is provided with a tablet outlet hole, a thread and an inclined conical funnel, and the inclined conical funnel is provided with a tablet inlet hole; A movable slider is installed between the film outlet hole and the film inlet hole on the bottle cap, and a film storage chamber is arranged on the slider, and film inlet and film outlet are arranged on both sides of the film storage chamber. The utility model has the advantages of simple structure, low cost and convenient use. One tablet can be poured out every time the medicine bottle is poured, and the number of tablets poured into the medicine bottle can be controlled, thus avoiding the pollution of tablets and bringing hygiene and convenience to patients.
Coarse powder cleaning device
ApplicationNo./PatentNo.: 200520 140432
The utility model discloses a coarse powder cleaning device, which comprises a shell, a distribution cone and an air inlet pipe, wherein the upper part of the shell is a cylinder and the lower part is a conical funnel; The upper part of the distribution cone is a cone and the lower part is a cylinder; The distribution cone is arranged in the center of the cylinder on the shell; At least three air inlet pipes are evenly distributed around the upper cylinder of the shell, and all the air inlet pipes are tangent to the upper cylinder of the shell. Can effectively clean the coarse powder falling from the coarse powder discharging cone.
The out surface of that nozzle assembly matches the inn surface of the tapered portion of the venturi tube to form a narrow annular channel. The width of the annular channel can be adjusted to obtain a desired pressure difference between the ventilation chamber and the duct portion adjacent to the venturi. A pressure sensor for measuring pressure difference is provided. Send a signal to the controller, and the controller reduces the speed of the propeller to prevent back blowing.
Foundation structure system with anti-seismic plate
ApplicationNo./PatentNo.: 0 1822300
The invention relates to measures for isolating the foundation and the rest of buildings from earthquakes. The seismic plate (2) is a closed container, which is divided into two parts. A vacuum is formed in the "B" part, so that longitudinal waves or initial seismic waves propagating through solids and fluids can be eliminated. Introduce pressurized liquid into the "A" section to eliminate shear waves or secondary waves that can propagate in solids. "F 1" refers to the transverse force of seismic waves on the seismic plate, which produces pressure in the liquid and makes the resultant force on the ground base (1) zero. F4 is an unbalanced force, exerting pressure on the earth. The invention can be used for various types of foundations and large areas to protect infrastructure and the like. As an option, it can also be used for conical foundation, underground wall, beam support and other structures. ?
Inverted cone pile
ApplicationNo./PatentNo.: 98224442
The utility model discloses an inverted cone pile. Characterized in that the shape is an inverted cone or a truncated inverted cone, and the horizontal section can be circular, triangular, quadrilateral or pentagonal. According to the principle of modern mechanics, the utility model transforms a part of vertical downward force into horizontal force by using the inclined plane of the inverted cone, and forms a favorable three-dimensional compressive stress state in the cone soil layer, which can make full use of the mechanical characteristics of the hard shell layer and significantly reduce the vertical downward unit area load compared with the natural foundation or short pile foundation, thereby improving the bearing capacity and reducing the settlement, and has high industrial utilization value.
Special equipment for improve foundation strength and processing method thereof
ApplicationNo./PatentNo.: 96 120044
The invention relate to a special device for improving that density and strength of soil around a pile and a treatment method thereof. The equipment and method comprise a chassis and a traction mechanism connected with the chassis, wherein the chassis and the groove are combined into a material storage box with a reserved opening at one side, a conical compactor is arranged in the box, an external sinking protective tube which can be separated from the chassis is sleeved outside the box, and the wall of the tube is provided with a predetermined reserved hole; The cone compactor compacts the soil around the pile through the reserved openings and/or holes without deflection. The equipment is not limited by the complexity of strata and has strong practicability. It can work in both hard and soft strata, and when necessary, it can squeeze the foundation reinforcement into the predetermined soil layer at the fastest speed.
Reinforced concrete flat-bottomed pile shoe with blunt cone
ApplicationNo./PatentNo.: 9 1200479
The invention relates to a pile shoe for a pile in a foundation pile foundation of civil engineering. The top of the pile shoe is an obtuse cone, and the root of the obtuse cone is a flat bottom. The blunt cone-shaped pile tip is used for dumping soil and plays a guiding role. After entering the bearing stratum, the flat foundation and the soil of the bearing stratum of the pile foundation form a bearing stratum, which effectively prevents the bearing capacity of the pile shoe from being weakened due to penetration. The pile shoe can be used for precast piles and cast-in-place piles to form four series of flat-bottomed precast piles and cast-in-place piles with the same diameter and enlarged blunt cone, and can be used as end-bearing piles and end-bearing friction piles in the bearing stratum, so that the bearing capacity of a single pile is increased by 30-40%, the project cost is reduced, and obvious economic benefits are obtained.
Multi-element adsorption multi-dimensional compaction purification method for strengthening garbage soil foundation
ApplicationNo./PatentNo.: 2007 10025407
The invention discloses a method for strengthening garbage soil foundation by multi-element adsorption and multi-dimensional compaction purification. The steps are as follows: (1) The driven cast steel tapered pile tip with strong penetration ability is matched with the tapered conduit to penetrate into the garbage layer hardened by the chemical action of industrial wastes or blocked by various large-scale construction wastes, so that the treatment depth of the driven cast steel tapered pile tip can reach the underlying soft soil layer; (2) Tapered holes caused by drilling with tapered conduits are filled with various sponge fillers with strong adsorption capacity and additives that can chemically neutralize special harmful gases or pollution sources. According to the complex physical and chemical properties of the garbage soil foundation, the invention organically combines the multi-element adsorption and multi-dimensional compaction technologies, which not only improves the bearing capacity of the composite foundation, but also effectively controls the pollution sources such as harmful gases or liquids in the garbage soil. The equipment required by the invention is easily available and has strong operability.
Concrete bearing pile
Application number/patent number: 2007200906 1 1
The utility model discloses a concrete bearing pile, which comprises a pile body, wherein the pile body is cylindrical and made of reinforced concrete; The upper end of the pile body is provided with an inverted cone bearing platform; The upper end face of the bearing platform is provided with a capping beam; The lower end of the pile body is provided with a bearing plate and an umbrella-shaped pile end cap. Because the upper end of the pile is provided with an inverted cone bearing platform, the bearing capacity and stability of the pile are improved, and it is more suitable for use in soft foundation. In order to enhance the bearing capacity and stability of bearing piles, bearing plates and umbrella-shaped pile end caps are also arranged at the lower end of the column, which can prevent and reduce the foundation settlement of soft soil foundation and uneven settlement of complex foundation.
Protection device of strain gauge on steel sheet pile
ApplicationNo./PatentNo.: 200820 153222
The utility model discloses a protective device for strain gauges on steel sheet piles, which comprises a soil-discharging shoe and a protective cover, wherein the soil-discharging shoe is arranged on the steel sheet pile body and below the vertical position of the center of the strain gauge; The protective cover is arranged on the steel sheet pile body and covers the strain gauge; The tipping shoe consists of an upper semi-cylindrical shell and a lower semi-conical shell; The protective cover is a rectangular frame with mounting holes on both sides of the frame. The utility model can pass through the miscellaneous fill layer with a thickness of 3m along with the steel sheet pile in land or water engineering, the penetration depth in the soft soil foundation layer can reach 30m, the specific penetration resistance is 9MPa, and the standard penetration is N63.5 (blow count) 15, so it is suitable for steel sheet piles with various enclosure structures.
Anchoring system for upright posts
ApplicationNo./PatentNo.: 200680045358
An anchoring system that locks a column into a housing installed on the ground or locks a pipe into a hole through a wall or foundation uses a plastic collet to match the outer contour of the column with the inner contour of the housing. The chuck has two tapered circumferential areas which are locked in corresponding tapered areas in the housing. The bolts help to lock the column in the collet and thus in the housing. Customize the cartridge to match incompatible columns and housings. The anchor column can be loosened and reused by using a safety loosening system that requires special tools.
Metz-type building pile
ApplicationNo./PatentNo.: 200520073826
The invention relates to a nail hammer type building pile, which relates to the structural improvement of building piles and belongs to the technical field of building engineering. The building pile comprises a hollow pile pipe, and one end of the pile pipe is provided with a conical pile head. The improvement is that the side wall of the pile pipe is provided with a pin hole, and a pile pin with a length greater than the thickness of the pipe wall is installed in the pin hole. Before construction, the outer end of the pile nail does not extend out of the pile wall, so the construction pile of the utility model can be pressed into the foundation soil like a common static pressure pile. After that, the cone head or spiral column is inserted into the central hole of the pile pipe, and the piles in the pin holes of the pipe wall are pushed out of the pile wall one by one by using the inclined plane. In the end, the whole building pile is like a wolf pressure bar, which has both the longitudinal joint of the pile tube and the transverse joint of the pile pin and the soil, and the stability is greatly improved.
slope protection pile
Negative friction correction dewatering well
ApplicationNo./PatentNo.: 03266288
A negative friction correction dewatering well, the shaft wall of which sequentially comprises a reinforcing cage, a filter layer, a protective layer and a pisolite layer from inside to outside; The bottom of the reinforcing cage is a closed conical end protruding downwards. The water level in the foundation is adjusted by the high-efficiency dewatering well arranged opposite the building, so that the foundation is dehydrated and consolidated, and the soil between piles produces a downward force-negative friction on the pile foundation, which can lead to the continuous sinking of the pile foundation. Because of the different influence of groundwater level decline curve on adjacent piles, the downward force is different and the settlement is different. It can make the building lean backwards stably and orderly, and it is a simple and effective means to correct the deviation by using the stable negative friction generated by the high-efficiency dewatering well.
Hydraulic plug-in composite seawall
Application number/patent number: 201020183103.
A composite seawall with hydraulic plug boards belongs to the construction and protection of rivers and lakes dams, including continuously connected dams and hydraulic plug boards inserted into the stratum, and is characterized in that the hydraulic plug boards are dovetail-groove slideway conical bosses and conical grooves or lateral connection structures, and are built on the water surfaces of the dams and seawalls. The utility model has the function of preventing seawater from scouring and hollowing out the foundation of dams or seawalls, and is widely used in dam and seawall protection projects in rivers, lakes and seas and similar occasions.
Soft foundation treatment method for quickly eliminating uneven settlement
ApplicationNo./PatentNo.: 2006 10097705
The invention discloses a soft foundation treatment method for rapidly eliminating uneven settlement, which is characterized by comprising the following steps: firstly, accurately dividing the construction area by using the data obtained by rapid field survey and the calculated settlement; The fast dynamic drainage consolidation process is adopted to form a hard shell layer with a certain thickness and high density in the soil layer within the treatment range. The method has the beneficial effects that the uneven settlement of different sections of the site in the soft foundation treatment construction process is basically eliminated, the rapid completion of the uneven settlement of foundation soil during the construction period is ensured, and engineering problems such as ground deformation and building cracking caused by the uneven settlement after construction are prevented.
Construction method of waterproof layer to prevent foundation settlement and cracking
ApplicationNo./PatentNo.: 20081011544.
The invention relates to a building construction method, in particular to a waterproof layer construction method for preventing foundation settlement and cracking. The construction method of waterproof layer to prevent foundation settlement and cracking is: a groove is set on the waterproof coiled material at the vertical junction between the soil nailing wall and the foundation slab, and the groove is filled with hard material, generally perlite. Compared with the existing foundation waterproof technology, the waterproof layer has a simple structure, and the hard material in the groove can effectively prevent the waterproof layer from cracking due to the settlement of the main structure, thus greatly improving the waterproof effect and reducing the economic loss.
Treatment method of static pressure replacement foundation and its multi-purpose pipe pressing
ApplicationNo./PatentNo.: 2006 10009 144
The invention discloses a foundation treatment method in the field of building engineering, in particular to a foundation treatment method using static pressure to tamp or replace soil and then filling the tamped soil with a suitable filling material and a multi-purpose pressure pipe thereof. Compacting the pressure pipe or draining the foundation soil to a predetermined depth, filling and replacing appropriate filling materials and compacting. During construction, firstly, press the pressure pipe to a predetermined depth, then lift the pressure pipe appropriately and open the inlet at the bottom of the pressure pipe to make the filler enter under the pressure pipe, then close the inlet at the bottom of the pressure pipe, and repeat the extrusion, lifting and filling operations within a certain range of the predetermined depth until the required static pressure load, settlement rate or filling amount is reached. The foundation treatment method provided by the invention can greatly improve the compactness of soft soil foundation and soil layer at a specific position, improve the mechanical properties of granular materials and their composite foundations, improve the bearing capacity of the foundation and reduce the settlement and uneven settlement of the foundation, can be designed into shallow foundation, composite foundation or pile foundation according to different requirements, and can be used for road subgrade, foundation pit support, foundation reinforcement, structural rectification and the like.
Soft soil foundation treatment method for controlling secondary consolidation settlement
Application number/patent number: 20101kloc-0/63356.
The invention provides a soft soil foundation treatment method for controlling secondary consolidation settlement, which comprises the following steps: (1) estimating the secondary consolidation sedimentation coefficient of the site to be treated according to the geological exploration report; (2) carrying out surface wave detection on the secondary consolidation settlement site, and dividing the foundation to be treated according to the surface wave detection result; (3) According to the design parameters of different regions, vacuum preloading and combined preloading are carried out on the filled soil with the thickness lower than the design elevation; (4) multi-stage dynamic compaction is carried out on the filled soil, and the combined preloading of dynamic and static drainage consolidation and vacuum filled soil is implemented; (5) Perform dynamic compaction with energy level of 1 ~ 2 times to make the soft soil reach an ultra-stable state; (6) stop vacuum preloading; (7) Carry out surface wave detection on the treated site, evaluate the treatment quality and predict the secondary consolidation settlement in combination with the measurement results before treatment. According to the method, the uniformity of the site is stronger, and the secondary consolidation settlement of soft soil can be effectively controlled.
Improved raft composite foundation with cylindrical foundation and external wall foundation
ApplicationNo./PatentNo.: 200620090253
The invention relates to a composite foundation combining raft, cylinder and external wall foundation improvement, and relates to a building structure form. The foundation is improved by a cylindrical foundation with trapezoidal distribution in the depth direction, and the peripheral part of the foundation is a composite foundation improved by shallow wall foundation. The composite foundation of the invention is a combination of raft, columnar foundation and improvement of external wall foundation, and the composite foundation is columnar improvement with triangular distribution when the foundation soil layer changes. The invention combines the raft with the improvement of the cylindrical and external wall foundation, and when the soil layer of the foundation changes, the periphery of the foundation is improved by the shallow wall foundation part. In order to improve the horizontal resistance of foundation, effectively prevent the relative rise of structures caused by the consolidation settlement of surrounding foundation soil, and thus maintain the long-term service performance of buildings.
Construction method of strengthening small diameter gravel pile composite foundation with bagged compaction slurry
ApplicationNo./PatentNo.: 20101kloc-0/58536
The invention relates to a construction method for curing a small-diameter gravel pile composite foundation with bagged dense slurry for treating a small-area soft and deep soft soil layer, which is characterized in that a small-diameter geotextile bag is combined with the traditional gravel pile treatment method, and a high-density miniature pile group effect is formed through the compaction of the gravel pile and the constraint of the geotextile bag, so that the bearing capacity of the foundation is improved. The invention has the advantages that the bagged compact slurry small-diameter gravel pile can obviously improve the engineering properties of shallow foundation soil, effectively improve the strength of foundation soil and reduce post-construction settlement, and is an effective method for soft soil foundation treatment in small sites. Due to the limited constraint and wrapping effect of geotextile bags, the amount of gravel is greatly reduced, and the strength of pile body is guaranteed by the grouting effect of cement slurry. Compared with the gravel pile method for large-area soft soil foundation, this method has the characteristics of simple technology, fast construction speed, miniaturization of construction equipment, material saving and low cost. It can be popularized and used in deep soft soil foundation treatment projects in small sites.
Pile-plate foundation method of EHV transmission line tower on soft soil foundation
ApplicationNo./PatentNo.: 2009 10060599
The invention discloses a pile-plate foundation method for an ultra-high voltage transmission line tower on a soft soil foundation, which comprises the following steps: firstly, constructing a tree root pile; The second excavation of foundation pit, the third leveling and inverted cone pouring of root pile, and the fourth construction of bottom plate; Fifth, the construction of foundation columns; Sixth, foundation pit backfilling; Seventh, tower installation. The root pile is connected with the bottom plate through the inverted cone, and the bottom plate is connected with the base column. There is an anchor bolt at the top of the foundation column, which is connected with the tower. The invention has the advantages of convenient construction, simple operation, stable and firm foundation, reliable bearing capacity, small uneven settlement and low cost. The invention provides a stable and reliable foundation type for the EHV transmission line tower on the soft foundation with thick soft soil layer and a certain thickness of hard shell layer, effectively utilizes the bearing potential of the hard shell layer on the surface, reduces the earthwork excavation amount, reduces the construction cost and construction difficulty, and does not need daily maintenance.
Stereo geogrid
Application number/patent number: 200820116313.
The vertical geogrid comprises vertically arranged rib belts which are diagonally arranged at 45 degrees, a rhombic grid is formed between the rib belts, and the intersecting rib belts are provided with injection joints which are integrally formed by a middle columnar pin and a peripheral fastener; The crossed ribs are horizontally arranged, and a plurality of groups of upper and lower cracks are formed at corresponding positions, and a strip-shaped rib block is formed between each group of upper and lower cracks, and a columnar pin penetrates into the space formed by the strip-shaped rib block and the rib band. After the three-dimensional geogrid is laid in the foundation, it can obviously improve the tensile force, yield force, shear force, locking force and friction resistance, can bear greater pressure in the construction process, improve the soil compaction density, greatly improve the soil consolidation ability, obviously improve the uneven settlement and reduce the post-construction settlement, and has the advantages of chemical corrosion resistance, good safety and high strength.
Frame bearing with adaptive differential settlement of foundation
ApplicationNo./PatentNo.: 200720044 1 10
The utility model relates to a frame support adapted to uneven settlement of foundation, which consists of a support with a cross-shaped groove on the inner wall and a cross-shaped plunger fixture locked with the groove of the support. Four rows of elastic pins are respectively installed in four grooves of the bracket, and four bosses corresponding to the fixture are respectively provided with multi-stage pin grooves suitable for the elastic pins to slide down; The bottom of the bracket is provided with a chassis connected with the lower foundation, and the top of the fixture is provided with a top disk connected with the bottom of the column. It is located at the top of the foundation at the bottom of the column, with adaptive performance and high sensitivity. When uneven settlement occurs, the influence of uneven settlement can be effectively reduced by using the automatic expansion and contraction of the support to eliminate the influence of uneven settlement.
Load-bearing pile with adjustable pile foundation settlement
ApplicationNo./PatentNo.: 2005 1004 1496
An adjustable bearing pile for building pile foundation engineering comprises a pile body, and a pile foundation settlement adaptive regulator is arranged at the end of the pile body; The adaptive regulator of pile foundation settlement consists of cylinder, top plate and telescopic elements; The top plate and the telescopic element are arranged in the cylinder body; The telescopic element is located in the cavity surrounded by the cylinder and the top plate. When the invention is used in buildings, it can bear a certain load at the initial stage of stress, and with the continuous increase of the load, it begins to yield and deform, so that the foundation soil can bear the load of the upper structure, and at the same time, it can eliminate the influence of the uneven settlement of the whole building on the raft. After the telescopic element in the invention adopts the cylindrical steel plate, the stress and deformation are in a nonlinear relationship. If the load is continuously increased, the overall safety of the building will be guaranteed after the scheduled displacement adjustment is completed. The invention can adjust the displacement and vertical rigidity of the pile top of the building pile foundation, is only suitable for common building materials, and has a simple structure.
Light column, light column composite foundation and light column composite foundation method for foundation treatment
ApplicationNo./PatentNo.: 2005 10033432
The invention discloses a bare pipe, a bare pipe composite foundation and a bare pipe composite foundation method for foundation treatment. Smooth pipe is a pipe pile composed of one or more sections of pipe joints with certain bending stiffness and hardness, good corrosion resistance and chemical stability. The inside of the pipe joints is completely or partially sealed, and the weight of the pipe joints and pipe piles is less than that of the corresponding foundation materials. The smooth pipe is used as all or part of the stressed body to bear the load, which avoids the direct stress of soft soil and improves the bearing capacity of foundation. Or use light pipe as vertical drainage body and compaction body to accelerate the consolidation of soft soil, so as to improve the bearing capacity and work efficiency of foundation; Or a part of the filling material is replaced by a light cylinder, so that the cost is reduced; Or use light pipes to replace some fillers, so as to reduce the load borne by the lower foundation and reduce the settlement of the foundation and the differential settlement of different parts of the foundation; Or use light pipe to replace part of the filler, so as to strengthen the integrity, stability and crack resistance between filler bodies and between new and old subgrade.
Horizontal squeezing and expanding device for lateral squeezing soil in foundation treatment
Application number/patent number: 200510011908.
The invention relate to a method for treating soil extrusion in a lateral hole and a horizontal extrusion expansion device, which belong to that technical field of geotechnical engineering foundation treatment methods and related construction equipment and can be use for foundation treatment of civil engineering. Characterized in that the horizontal extrusion device is used for laterally extruding the hole wall to increase the cross-sectional area of the hole and compact the soil. Characterized by comprising two or more soil-squeezing steel plates evenly distributed on the cross section of the soil hole and a pushing device for pushing the soil-squeezing steel plates to extrude laterally. There are four kinds of pushing devices: horizontal piston pushing device in the same layer, horizontal piston pushing device in different layers, vertical piston pushing device and vertical bidirectional piston pushing device. The composite foundation formed by this method can greatly improve the bearing capacity of the foundation and reduce the settlement of the foundation; The horizontal extrusion expansion device can compact the soil and increase the cross-sectional area of soil holes. The invention also has the advantages of fast and simple construction, high degree of mechanization, low noise and the like.
Method of treating soft foundation by net bag method
ApplicationNo./PatentNo.: 2009 10020935
The invention provides a method for treating soft foundation by using a net bag method, which comprises the following steps: weaving a net bag with polymer engineering materials, filling the net bag with aggregates such as sand and gravel, implanting the net bag into a drilled hole in the foundation, filling the sand and gravel aggregate to form a net bag gravel pile, laying a net made of polymer engineering materials and sand and gravel on the top surfaces of the pile and the foundation to form a cushion, connecting the net opening at the top of the net bag gravel pile with its upper net, and connecting the net bag and the net bag together in the foundation to form a complete solidified body. The method of the invention is simple and convenient to construct and easy to operate. The polymer engineering materials such as polyethylene and polypropylene have the advantages of high strength, acid and alkali resistance, aging resistance and corrosion resistance, and are more suitable for foundation treatment in saline soil areas with strong corrosiveness to concrete and steel. Because of the integrity of solid addition, the bearing capacity of foundation can be greatly improved and the settlement can be reduced, thus meeting the requirements of architectural design.
Controllable settlement adjusting mechanism
ApplicationNo./PatentNo.: 200920121kloc-0/1
A controllable settlement adjusting mechanism is mainly composed of a rotating ring with upper and lower screw holes, and upper and lower adjusting bolts screwed into the screw holes of the rotating ring with opposite directions, wherein the top of the upper adjusting bolt is fixed with an upper backing plate steel plate, and the bottom of the lower adjusting bolt is fixed with a lower backing plate steel plate; The steel plate of the lower cushion layer is fixedly connected to the crushed stone concrete pier cast in situ with the foundation through at least two expansion bolts; The long channel steel is fixed on the steel plate of the upper backing plate, and the two sides of the upper adjusting bolt fixedly connected below are welded with galvanized steel plates for support; The upper galvanized steel plate is provided with bolt holes which are connected with the controllable settlement adjusting mechanism at the other end through steel bars; It has the characteristics of simple structure, convenient installation, clear stress, convenient construction, mass production, simple operation and good durability, and the height can be manually adjusted and controlled at any time according to the requirements of settlement height.
Treatment method of soft foundation in new highway and railway engineering
ApplicationNo./PatentNo.: 2006 10048596
The invention relates to a soft foundation treatment method for newly-built highway and railway projects, which comprises the following steps: squeezing soft mud on the surface of the soft foundation to form a hard shell layer: a, preparing rock-fill with the maximum particle size not exceeding 60cm; B, paving a stone layer with a thickness of 40-70cm on the surface of the soft foundation; C, using a rammer to drop a rammer, using the tamping force of the rammer to arrange tamping points in the form of point tamping or point tamping plus supplementary tamping, tamping the stone layer, and tamping a tamping pit of 2-3m at the selected tamping point; D, for each rammed pit, according to the packing-rammed filling and packing-rammed filling, until the settlement of 2-3 consecutive rammed filling is less than 7cm, the rammed filling can be stopped. According to the invention, soft mud or silt with a thickness of 2-6 meters on the surface layer of soft soil subgrade is extruded, so that the purpose of silt squeezing and filling replacement is achieved, and finally a hard shell filling replacement layer with a thickness of 2-6 meters is formed, so that the bearing capacity of the foundation is improved and the stability of the foundation is increased.
Treatment method of earth-rock cushion for earth-rock composite foundation
ApplicationNo./PatentNo.: 2005 10200367
The invention discloses a method for treating an earth-rock cushion of an earth-rock composite foundation, which comprises the following steps: setting a cushion at a position contacting with rocks under a building foundation; Firstly, the earth-rock layer on the bedrock surface is evenly stirred, then leveled, and compacted into a cushion after leveling; The thickness of the mattress is 400mm ~ 600mm；; The soil-rock ratio in the mattress is1:0.6 ~1; Water content: pure clay water content 20% ~ 40%, earth-rock cushion water content10% ~ 20%; Compaction degree, that is, the ratio of compacted thickness of mattress to virtual paving thickness, is 0.7 ~ 0.8. The invention can make full use of the natural soil and stone excavated during the leveling of the foundation site, ensure the settlement of the foundation under the design load to meet the specification requirements, save labor and time, and reduce the project cost. The invention can be applied to building engineering in mountainous areas.
Rapid "high vacuum compaction, pile foundation" composite soft foundation treatment method
ApplicationNo./PatentNo.: 2005 10 134966
The invention relates to a rapid' high vacuum compaction+pile foundation' composite soft foundation treatment method, which is characterized in that: firstly, well point pipes are densely distributed in soft soil, and the upper ends of the well point pipes are connected with a vacuum pump through horizontal pipes for vacuumizing, pulling out the well point pipes and compacting, so that the well point pipes are vacuumized and compacted for many times; Then the soft soil is filled with gravel and tamped to form a pier, or a gravel pile is formed by immersed tube method, or a cement-soil mixing pile is formed, so that the soft soil is vacuumized through the well point pipe, tamped and crossed for many times, and then combined with the gravel pier/pile or cement-soil pile to form a composite foundation. The invention can effectively and rapidly improve the bearing capacity of the foundation, and has little post-construction or differential settlement.
Reinforcement method of bucket foundation with gas instead of water
ApplicationNo./PatentNo.: 2009 10244844
The invention relates to a method for reinforcing bucket foundation with gas instead of water. A reserved pipe is arranged on the sealing cover plate at the top of the bucket foundation, and the reserved pipe and the sealing cover plate are respectively provided with one-way water outlets. The steps are as follows: 1) firstly, the bucket foundation is inflated through the reserved pipe, and the water in the reserved pipe is discharged through the one-way drain on the reserved pipe; 2) When the air pressure in the reserved pipe is higher than the atmospheric pressure, stop inflating, communicate the reserved pipe with the atmosphere, and the water in the foundation is discharged through the unidirectional drainage hole on the top plate of the cylinder under the action of the pressure difference between the inside and outside of the pipe; 3) By repeatedly tamping the foundation, the shallow foundation can be reinforced. The method is simple in equipment and construction; As a shallow foundation, the settlement of bucket foundation under adverse geological conditions can improve the bearing capacity, stability and safety of bucket foundation; Especially in deep water, the construction is simple, the construction period is short, the construction cost can be effectively saved, and the economic benefit is obvious.
Diversion shield tunnel crossing newly-built seawall and its foundation treatment method