1. Unless otherwise specified, the quantities of cast-in-place concrete formwork shall be calculated in square meters according to the area of contact surface between concrete and formwork, and the area occupied by post-cast strip shall not be deducted. The template of post-cast strip for secondary casting shall be calculated in cubic meters according to the volume of post-cast strip.
2. Cast-in-place reinforced concrete walls and slabs with a single hole area of less than 0.3 m2 will not be deducted, and the template of the side wall of the hole will not be increased; When the area of a single hole is greater than 0.3 m2, the area occupied by the hole shall be deducted, and the template area of the side wall of the hole shall be included in the calculation of the quantities of the wall and plate templates.
3. Basis:
(1) Ribbed foundation: calculated by rubble concrete, unreinforced concrete, reinforced concrete with beams and reinforced concrete without beams respectively. Where there is a beam-type strip foundation, the formwork of the beam shall be calculated in square meters by multiplying the beam length by the clear height of the beam. When the secondary beam is handed over to the main beam, the template of the secondary beam is calculated to the main beam side. When the beam height (the height from the enlarged top surface of the foundation to the top surface of the beam) exceeds 1.2m, the slab formwork of strip foundation shall be calculated as beamless type, and the formwork above the enlarged top surface shall be calculated as concrete wall engineering.
(2) Independent foundation: calculated according to the contact surface between rubble concrete and reinforced concrete independent foundation and formwork, and its height is calculated from the upper surface of cushion to the upper surface of column foundation. Division of cast-in-place independent column foundation and column: (h) Column foundation formwork project adopts column foundation whose height is less than 2 times of the next adjacent height (h1); For columns with more than 2 times, apply the corresponding column template project (see figure 1).
(3) Cup foundation: The cup foundation connects the bottom surface of the cup mouth of the precast column with the enlarged top surface of the foundation (H). If the height is less than 0.50m, it shall be calculated according to the cup-shaped foundation formwork engineering, and if the height is higher than 0.50m, it shall be calculated according to the cast-in-place column formwork engineering; The rest, the application of cup-shaped foundation template project (see Figure 2).
(4) Whole house foundation: When the flat beam whole house foundation has enlarged or pyramid-shaped piers, it should be incorporated into the calculation of flat beam whole house foundation. When the beam height of the beam-type whole house foundation beam exceeds 1.2m, the bottom plate shall be calculated according to the whole house foundation beam formwork project without beam, and the beam shall be calculated according to the concrete wall formwork project. The box-type whole house foundation should be calculated according to the relevant provisions of the whole house foundation, columns, walls, beams and plates without beams.
(5) Bearing platform: It shall be calculated as strip bearing platform and independent bearing platform respectively. The pile caps of the whole house are calculated according to the formwork engineering corresponding to the whole house foundation.
(6) Equipment foundation: According to the different volumes of segmented equipment foundation, the formwork quantities are calculated respectively. The foundation of frame equipment should be calculated according to the corresponding items of foundation, column, beam, plate and wall respectively; The underlying equipment foundation should be included in the beam-slab engineering calculation. If the middle part of the same equipment foundation is divided into blocks, and some of them are frames, they should be calculated separately.
The height of column formwork of frame equipment foundation should be calculated from the upper surface of bottom plate or column foot to the lower surface of plate; The length of the beam is calculated according to the net length, and the cantilever part of the beam should be included in the beam.
As a unit, the different depths of the sleeve hole of the anchor bolt are calculated separately.
Secondary grouting is calculated in cubic meters according to the actual volume, and the volume of concrete or cement mortar occupied by anchor bolt holes is not deducted.
(7) The concrete retaining wall is calculated in cubic meters according to the actual volume of concrete.
4. The formwork quantities of cast-in-place reinforced concrete frame are calculated by column, beam, plate and wall respectively, and the attached wall column is calculated within the formwork quantities incorporated into the wall.
5. When the design stipulates that cast-in-place slab joints are needed between precast reinforced concrete slabs, if the slab joint width (referring to the lower mouth width) is more than 2cm but less than 20cm, it shall be calculated according to the project of filling cast-in-place slab joints between precast slabs, and if the slab joint width exceeds 20cm, it shall be calculated according to the flat project.
6. The template of laminated plate is calculated by multiplying the length around the plate by the thickness of the plate by the contact surface, and the flat plate project is applied. The composite beam is calculated according to the template contact surface on both sides of the assembly.
7. The overlapping parts of columns and beams, columns and walls, beams and beams, beam heads and plate heads extending into the wall are not counted.
8. The exposed part of the constructional column is calculated according to the exposed part shown in the figure, and the template area of the horse tooth is calculated by multiplying the width of the horse tooth by the height of the column.
9. Cast-in-place reinforced concrete stairs are calculated according to the horizontal projection area shown in the figure. The division between stairs and floors is bounded by the outer edge of stair beams, which are included in the horizontal projection area of stairs. The area occupied by stairwells less than 500mm is not deducted. Side forms such as stair treads, treadboards and platform beams are not calculated separately.
10. The integral spiral staircase and column spiral staircase are calculated according to the horizontal projection area of each rotating floor, and the boundary between the staircase and the walkway slab is the outer edge of the staircase beam, which is included in the horizontal projection area of the staircase. The side templates such as stair treads, pedals and platform beams are not calculated separately.
1 1. Cast-in-place reinforced concrete cantilever canopy and balcony are calculated according to the horizontal projection area of the cantilever part as shown in the figure, and the beam slab side formwork outside the wall is not calculated separately. If the wall exceeds 1.50m, the corresponding items shall be applied to beams and slabs respectively.
12. Cantilever gutter is calculated in cubic meters according to actual volume. When connected with plates (including roof panels and floors), the outer edge of the external wall is taken as the dividing line; When connecting with ring beam (including other beams), the outer line of the beam is the dividing line. Outside the outer edge of the outer wall or the outer line of the beam is a hanging gutter. When the height of the cantilever gutter wall is less than 40cm, cantilever engineering should be adopted; When the height of the cornice gutter wall exceeds 40cm, it should be calculated according to the total height of the fence. Concrete bay window panels and air conditioning panels shall be implemented as cantilever works, and those with monomer less than 0.05m3 shall be implemented as sporadic subdivisional works.
13. The specific steps are calculated according to the horizontal projection area of the step size shown in the drawing (including the steps along 300mm and the top steps), excluding the ladder belt. Formwork on both sides of step end, without additional calculation.
14. The cast-in-place concrete pool is calculated according to the external volume of components, and the internal, external and bottom templates of the pool are not calculated separately.
15. Sporadic components are suitable for small components with single volume less than 0.05m3, such as cast-in-place concrete handrails and column railings, and their quantities are calculated according to the actual volume of concrete.
16. The cast-in-place joints (including beam joints) of precast reinforced concrete frame columns are calculated in cubic meters according to the section and length specified in the design, and the joint engineering of frame columns is applied.
Second, precast reinforced concrete.
1. Unless otherwise specified, the formwork quantity of precast reinforced concrete members shall be calculated in cubic meters according to the actual volume of concrete.
2. The foundation beam is calculated according to the project of the corresponding section beam.
3. The trough-shaped panels between the roof panels are calculated according to the roof panel project. T-shaped plate is calculated as purlin item.
4. The L-shaped plate is calculated as a single rib project.
5. Stair rest platform board, daughter wallboard, closet board, hanging cabinet board, cupboard board and other small flat plates are calculated according to the prefabricated flat plate project.
6. Prefabricated large door frames can be calculated according to the corresponding items of columns and lintels respectively.
7. The small tank is calculated in cubic meters according to the actual volume.
8. Precast pile tip is calculated by virtual volume (excluding virtual volume of pile tip).
9. Calculate the leakage grid according to the horizontal projection area around the frame.
10. Sporadic components are suitable for components with volume less than 0.05m3 and not included in the project.
1 1. Flues and ventilation pipes shall be calculated in cubic meters according to the actual volume of concrete.
12. Prestressed concrete members are calculated by real volume.
Three. structure
1. Unless otherwise specified, the formwork quantity of structural engineering shall be divided into three categories: cast-in-place, precast and component, which shall be calculated according to the relevant provisions of cast-in-place concrete and precast concrete respectively.
2. Chimneys, silos, inverted cone-shell water towers, circular silo walls and granulation tower walls built with water storage (oil) tanks and hydraulic sliding steel formwork shall be calculated in cubic meters according to concrete volume.
3. For water towers and silos, the contact area between concrete and formwork should be calculated in square meters according to the size shown in the figure.
4. The water tank of inverted cone shell water tower shall be measured in cubic meters according to the actual volume of concrete; The lifting of water tank is calculated according to different volumes.
5. Formwork for reinforced concrete corridors, open caissons, septic tanks, manholes, supports and gutter shall be calculated in cubic meters according to the concrete volume.