2. How to estimate the catenary project of a section or station?
catalogue
Engineering and material estimation of 1. section or station catenary project.
3. How to estimate the materials of an interval or station catenary project?
(a) presided over the installation of train poles and towers.
1. What preparations should be made before erecting the tower?
2. How to place the reinforced concrete floor with transverse web members?
Two, presided over the installation of train poles, iron towers, and according to the wiring process requirements, presided over the erection of carrier cables, wires and various additional wires.
3. How to place the chassis of circular reinforced concrete columns with equal diameter?
4. When erecting reinforced concrete columns, how to determine the parking position of installed trains?
5. How to erect the concrete wrist-arm column with transverse web?
6. How to erect concrete soft span columns with transverse webs?
7. What should I pay attention to when erecting reinforced concrete columns with transverse web members?
8. How to erect a circular reinforced concrete column with equal diameter?
10. What should I pay attention to when erecting reinforced concrete columns to backfill the foundation pit?
9. What should I pay attention to when erecting circular equal-diameter reinforced concrete columns?
1 1. What are the inspection items of reinforced concrete columns under stress and in operation?
12. How to erect steel columns?
13. How to erect reinforced concrete columns?
(two) according to the stringing process requirements, presided over the erection of carrier cables, wires and various additional wires.
1. What preparations should I make before stringing?
14. What technical standards should the straightened reinforced concrete column meet?
2. Before stringing, what are the inspection contents of the previous procedure of stringing section?
3. What requirements should the stringing vehicles, tools and materials meet?
4. How to write a serial program?
5. How to make a cross-line schedule?
6. How to apply for serial connection?
7. How to organize cross-wiring?
8. What tools and materials are needed to erect the carrier cable?
middle (level)
9. How to erect the carrier cable?
/kloc-how to replace the 0/0.200m carrier cable (excluding the anchor joint)?
1 1. What installation curve is used when erecting the carrier cable?
12. How to erect the contact line?
13. How to replace the 200m contact wire (excluding the span in the anchor joint)?
What should be paid attention to in the operation of 14.200m contact line?
15. What preparations should be made before erecting additional wires?
16. How to organize the labor of erecting additional wires?
17. What tools and materials are needed to erect additional wires?
18. How to erect additional wires?
19. How to make aluminum stranded wire or steel-core aluminum stranded wire joint with pliers?
20. What technical requirements need to be met for additional wiring?
(1) Stress analysis of "four-span" insulated anchor joint center, pillars, transfer columns, anchor columns, turnout columns and other pillars and components.
1. What is the force on the center column?
2. What force does the conversion column bear?
3. What is the force on the center pillar?
Three, the stress analysis of catenary pillars and components, the assembly of complex pillars, soft crossing and the installation and adjustment of main equipment (current-absorbing transformer, disconnector, segmented phase-separated insulator, etc.). ) it's all going on.
4. What force does the anchor column bear?
5. What force does the turnout column bear?
6. How to analyze the stress of catenary components?
(2) Pre-assemble and install the anchor column in the anchor joint, and prefabricate and install the stay cable.
1. What items are included in the pre-assembly and installation of the anchor column in the anchor joint?
2. What tools and materials are needed for pre-arranged anchor column anchor compensation (H48 column in 2.5T system, full compensation anchor in 3T system, with medium diameter cylinder and parallel anchor)?
3. How to pre-allocate the anchor salary?
4. What should I pay attention to when pre-allocating anchor salary?
5. How to install the compensation anchor in the anchorage joint?
6. What should I pay attention to when installing the compensation anchor?
7. How to arrange the operation sequence of cable installation?
8. What tools and materials are needed to install the cable?
9. How to bury the anchor plate?
10. How to calculate the length of the stay wire?
1 1. How to prefabricate and install cables?
(3) Pre-allocation and installation of pillars such as conversion column, center column and turnout column.
1. How to pre-match the assembly types of complex columns such as transfer column, center column and turnout column?
12. What should I pay attention to when installing cables?
2. How to install complex column assembly types such as transfer column, center column and turnout column?
(4) Prefabrication, installation, adjustment and maintenance of soft spans
1. What is soft span prefabrication?
3. How to install the double pressure pipe wrist arm inside the bend?
2. What are the main steps of prefabricating soft spans?
3. How to determine the prefabrication length of transverse carrier cable steel strand?
4. How to determine the precast length of upper and lower fixed rope steel strand?
5. What is the soft cross prefabrication drawing?
6. The soft span is 2×G〓, and the design nodes are 1, 5, 8, 5, 6, 5 and 1. See Figure 3-9 for structural calculation and measurement dimensions. Find out the blanking length of transverse carrier cable, the position of installing clamp and the disconnection point of insulator string.
7. What tools and materials are needed to prefabricate and install soft spans?
8. What are the steps of centralized prefabrication or decentralized prefabrication on site for soft spans?
9. What should I pay attention to when prefabricating soft spans?
10. How to install the soft wrench?
1 1. How to adjust the installed soft span?
12. What standards should the soft span meet during installation and operation?
13. What are the situations and methods of replacing the fixed rope under the soft span?
14. What are the operation steps for replacing the lower fixing rope locally?
15. what are the operation steps of replacing the lower fixed rope by integral replacement method?
16. What should I pay attention to when replacing the lower fixing rope?
(5) Install and adjust isolating switch, lightning arrester and current absorption transformer.
1. What tools, materials (equipment) are needed to install the disconnector?
2. What are the main steps to install the disconnector?
3. How to check the appearance and adjust the new disconnector before installation?
4. How to pre-configure the operating mechanism and control tube of the disconnector?
5. How to install the disconnector?
6. How to disassemble and assemble the disconnector?
7. What technical requirements should the installed disconnector meet?
8. What tools and materials are needed to install the tube arrester?
9. How to install the tube arrester?
10. What technical requirements should the installed tube arrester meet?
1 1. What are the main steps to install the valve arrester?
12. What are the visual inspection contents of the valve arrester to be installed?
13. How to install the valve arrester?
14. What tools and materials are needed to install the suction transformer?
15. What are the organizational steps for installing the suction transformer?
16. How to install the suction transformer?
17. How to install GW 1- 10 disconnector when installing suction transformer?
(6) Installation and adjustment of segmented and split-phase insulators
1. What tools and materials are needed to install the sectional insulator?
2. How to install the sectional insulator?
3. What should I pay attention to when installing sectional insulators?
4. What tools and materials are needed to install the split-phase insulator?
5. How to install split-phase insulator by split installation method?
6. How to integrally hoist and install the split-phase insulator?
7. What should I pay attention to when installing the split-phase insulator?
8. How to install 8.XTK split-phase insulation components?
2. How to make the steel strand back?
Fourth, all kinds of back production and line binding work.
1. What tools and materials do you need to make the steel strand back?
3. What are the technical requirements for turning back?
4. What should I pay attention to when making the steel strand back?
5. What tools and materials are needed to tie aluminum wires on insulators?
6. How to tie the aluminum conductor to the pin insulator?
7. What should I pay attention to when tying wires on pin insulators?
(1) Treatment of interference caused by underground buried objects (such as cables and pipelines) in the lower works of catenary.
1. What kinds of interference are there in the lower works of catenary?
2. How to deal with the interference of underground buried objects in the lower part of catenary project?
Five, find out the line interference and put forward suggestions.
(2) Handling the interference of power lines and communication lines crossing or approaching the railway along the line when installing, rectifying and stringing towers.
1. How to deal with the interference of power lines and communication lines crossing or approaching the railway when installing and straightening pillars?
2. What are the requirements for interference treatment of power lines and communication lines crossing or approaching the railway along the line?
(1) Inspection items and defect treatment before catenary cold sliding test
1. What are the items to check the catenary before the cold sliding test?
2. How to inspect and patrol the pillars and foundations during construction and operation? How to deal with defects?
Six, catenary cold sliding test and defect treatment, all kinds of equipment defect treatment and catenary handover acceptance, equipment use and maintenance.
3. How to check the wrist support structure during construction and operation?
4. How to replace the bar insulator or wrist arm?
5. How to replace the suspension insulator string, horizontal tie rod and adjusting plate?
6. How to replace the sleeve hinge or adjust the position of the sleeve hinge on the carpal tunnel?
7. How to replace the compacted pipe insulator?
8. How to check the positioning device during construction or operation?
(2) Inspection and defect treatment of contact wires, carrier cables and slings.
1. How to check the carrier cable during construction and operation? How to deal with defects?
2. How to mechanically reinforce the carrier cable?
3. How to check the common hanging strings in construction and operation? How to deal with defects?
4. How to check the elastic string? How to deal with defects?
5. How to check the simple suspension harness? How to deal with defects?
6. How to check the contact line during construction and operation? How to deal with defects?
7. How to electrically reinforce the copper contact wire?
8. How to electrically reinforce the steel-aluminum contact wire?
9. How to use the installation curve in sag adjustment of simple suspension contact line?
10. How to consult the sag curve of semi-compensated chain suspension contact line?
1 1. What should I pay attention to when using contact suspension installation curve?
12. How to determine the contact line height of the positioning point of the semi-compensated simple chain drive?
13. How to determine the contact line height of each suspension point in the span of semi-compensated simple chain suspension?
14. How to determine the contact line height of the suspension positioning point of semi-compensated elastic chain?
15. How to determine the contact line height of suspension point in suspension span of semi-compensated elastic chain?
16. How to determine the height of fully compensated catenary?
17. How to adjust the pull-out value and height of the contact wire or replace the positioner?
18. What should I pay attention to when adjusting the pull-out value and height of the contact wire or changing the positioner?
(3) Check and adjust the anchor joint and compensation device.
1. How to check the joint of three-span non-insulated anchor section during construction and operation?
2. What tools and materials are needed to adjust the joint of non-insulated anchor section of chain suspension?
3. How to adjust the non-insulated anchorage of chain suspension?
4. How to adjust the simple hanging non-insulated anchor joint?
5. How to check the joint of four-span insulation anchor during construction and operation?
6. How to adjust the four-span insulation anchor joint of chain suspension?
7. How to adjust the joint of simple suspension insulation anchor?
8. How to adjust the joint of three-span insulated anchor section?
9. How to check the compensation device during construction and operation?
10. What tools and materials are needed to adjust the compensator?
1 1. How to adjust the compensator B value?
12. How to replace the compensation rope?
13. How to check the installation curve when adjusting the compensator B value?
(4) Check and adjust the line bifurcation and electrical connection.
1. How to check the line bifurcation?
2. What tools and materials are needed to install and adjust the circuit switch?
3. How to install and adjust the single-port standard positioning line bifurcation?
4. How to install and adjust the crossover (diamond crossover)?
5. How to check electrical connectors during construction and operation?
6. What tools and materials are needed to install or repair electrical connectors?
7. How to prefabricate electrical connectors on site?
8. How to install the joint of the anchor chain suspension anchor and the electrical connector at the branch?
9. How to install the chain suspension crawler electrical connector?
10. How to install the electrical connector between the simple hanging anchor section and the line branch connector?
1 1. How to install the simple suspension rail electrical connector?
12. How to carry out the handover maintenance of electrical connectors?
13. What should I pay attention to when installing and repairing electrical connectors?
(5) Inspection, installation and adjustment of central anchor knot
1. How to check the central anchorage during construction and operation?
2. What tools and materials are needed to install and adjust the central anchorage of chain suspension section?
3. How to install the chain suspension semi-compensation center anchor knot?
4. How to deal with the anchorage defect of the suspension center of the semi-compensation chain?
5. How to install the chain suspension full compensation center anchor knot?
6. How to install the anchor knot of the main line simple suspension center?
7. How to install the center anchor of double-track tunnel?
8. How to install the soft span anti-string central anchor?
(6) Appearance inspection, maintenance and repair of the suction transformer and defect treatment.
1. How to check the suction transformer during construction and operation?
2. How to repair the suction transformer?
(7) Appearance inspection, maintenance and defect treatment of disconnector and arrester.
1. How to check the disconnector during construction and operation?
2. How to deal with the defects of disconnector?
3. How to check the lightning arrester during construction and operation?
4. How to deal with the defects of valve arrester?
(eight) inspection and defect treatment of various thermal insulation facilities
1. How to check the split-phase insulator during construction and operation?
2. How to deal with the defects of split-phase insulator?
3. How to replace the phase separation element?
4. How to replace the neutral zone contact wire?
5. What should be paid attention to when adjusting the split-phase insulator and replacing its components or parts?
6. How to check the sectional insulator during construction and operation?
7. How to deal with the defects of rhombic, C- 1200 and FHC- 1.2 sectional insulators?
8. How to deal with the defects of general sectional insulators?
(9) Inspection and defect treatment of grounding facilities
1. What should I pay attention to when checking, installing or handling grounding wire defects?
2. What tools and materials are needed to install the column grounding wire?
3. How to install the column grounding wire?
4. How to install the equipment ground wire?
5. How to install the wrist arm column grounding jumper in AT power supply mode?
6. How to check the suction pipeline during construction and operation?
7. What tools and materials are needed to install the suction pipeline (flat steel type)?
8. How to install the suction line?
9. How to deal with the defect of suction line?
10. How to check the safety devices in construction and operation?
1 1. How to install the safety device?
12. How to deal with the defects of safety devices?
13. How to deal with defects of CPW line?
(ten) basis, procedures, handover documents, unfinished projects, etc. Handover and acceptance of catenary.
1. What is the basis for the handover and acceptance of catenary?
2. What is the handover and acceptance procedure of catenary?
3. What is the significance of the handover of completion documents?
4. What parts does the as-built document consist of?
5. How to prepare the completion documents?
6. How to deal with unfinished projects?
1. How to fill in the work ticket?
Seven, fill in the working ticket, special live working.
2. What should I pay attention to when conducting catenary live operation?
(a) catenary pole, tower accident treatment
1. How to deal with the fracture accident of concrete intermediate column?
2. How to deal with the middle pillar fracture accident of emergency pillar?
Eight, dealing with major accidents of catenary
3. How to install the combined catenary pillar?
4. How to deal with the emergency of column breakage accident by canceling the positioning of broken column and lowering the bow?
5. How to deal with the fracture accident of concrete anchor column?
6. How to deal with anchor column fracture accident by temporary anchoring method?
7. When the hard span or soft span pillar is damaged, how to deal with the emergency?
(2) Handling of catenary disconnection accident
1. How to deal with the cable broken accident?
2. How to make the carrier cable joint with the threaded wedge joint clip?
3. What should I pay attention to when making carrier cable joints with threaded wedge-shaped joint clips?
4. How to deal with the contact wire disconnection accident?
5. How to disconnect the contact wire (a connector)?
6. How to disconnect the contact wire (two connectors)?
7. How to deal with the disconnection and connection of contact wire and carrier cable?
1. What is pile crossing survey?
2. What data are needed for pile handover measurement? What are the contents of on-site pile handover survey?
3. How to retest the center line of the line with theodolite?
Nine, the use of theodolite, level line elevation and centerline measurement.
4. What should I pay attention to when measuring the center line of the line with theodolite?
5. How to use level to carry out line leveling (recheck method)?
6. What should I pay attention to when measuring the line level with a level meter?
(A) catenary construction preparation
1. What is the task and basis of construction preparation?
2. What work does the construction preparation mainly include?
3. What are the contents of "technical preparation" in construction preparation?
Ten, catenary construction technology preparation and approval
4. What are the contents of "construction site preparation" in construction preparation?
5. What are the contents of "material preparation" in construction preparation?
6. What are the contents of "construction team preparation" in construction preparation?
7. What are the contents of "logistics support preparation" in construction preparation?
(2) OCS construction technology
1. What is the catenary construction technology? What are the process items in catenary construction technology?
2. What are the basic principles for the preparation of catenary construction technology?
3. What should be included in the single construction technology of catenary?
4. What is the content of "construction preparation" in the construction technology?
5. What should be paid attention to when compiling and reviewing "operation procedures or steps" in construction technology?
6. What should be paid attention to in the compilation and review of construction survey technology?
7. What should be paid attention to when compiling and reviewing tunnel drilling and irrigation technology?
8. What should be paid attention to when compiling and reviewing the assembly process of tunnel suspension fittings?
9. What should be paid attention to when compiling and reviewing the assembly process of soft span?
10. What should be paid attention to when compiling and reviewing the erection process of carrier cables, contact lines and additional lines?
1 1. What should I pay attention to in the preparation and approval of equipment installation process?
1. What is the content of the preparation for catenary maintenance?
2. What should be included in the maintenance process of OCS single equipment?
Eleven, catenary maintenance process preparation and approval.
3. What is the content of "maintenance preparation" during maintenance?
4. What should be paid attention to in the compilation and review of "maintenance procedures or steps" and "methods and technological steps to deal with defects" during maintenance?
5. What should be paid attention to in the compilation and assessment of wire and cable maintenance technology?
6. What should be paid attention to when compiling and reviewing the repair process of hanging wire slings?
7. What should I pay attention to when compiling and reviewing the soft span maintenance process?
8. What should be paid attention to when compiling and reviewing the repair technology of anchorage joint?
10. What should I pay attention to when writing and reviewing the maintenance technology of line switches?
1 1. What should I pay attention to when writing and reviewing the maintenance process of electrical connectors?
9. What should be paid attention to when compiling and reviewing the repair technology of central anchor?
12. what should be paid attention to in the compilation and assessment of insulation maintenance technology?
13. what should be paid attention to when compiling and reviewing the maintenance process of supporting devices, positioning devices and compensation devices?
14. what should be paid attention to in the preparation and examination of the maintenance process of the main equipment of catenary?
15. what should be paid attention to when compiling and auditing the maintenance process of grounding device?
16. What should I pay attention to when compiling and reviewing the repair process of additional lines?
1. How to preside over the whole process of catenary construction in a section?
Preside over the whole process of catenary construction in a section, and be able to estimate the labor and materials.
2. How to organize the engineering survey of the lower part of catenary?
3. What should be paid attention to in organizing the engineering survey of the lower part of catenary in a section?
4. How to organize the construction of the lower part of a catenary?
5. How to organize the construction of an anchor catenary superstructure?
6. How to organize the cold sliding test?
7. What should I pay attention to in the tissue cold sliding test?
8. How to organize power transmission and power on?
9. What is the main content of professional engineering summary?
1. What should I pay attention to when compiling the construction scheme for catenary overhaul and reconstruction?
Thirteen, the preparation of catenary overhaul and reconstruction of the construction plan, and can estimate the workload and materials.
2. How to replace the carrier cable of the whole anchor section?
3. How to replace the contact wire of the whole anchor section?