make it clear

4. 1 cast-in-place concrete

4. 1. 1 The cast-in-place concrete project is divided into two parts: concrete production and cast-in-place concrete. The amount of cast-in-place concrete is calculated according to the volume of concrete structure. The quantity of concrete production is calculated according to the concrete content (including loss rate) in the cast-in-place concrete pouring subtitle.

4. 1.2 Rubble foundation subtitle, calculated as rubble accounting for 20% of rubble concrete volume. If the design is different, it can be converted.

4. 1.3 widget refers to the widget whose volume is less than 0.05m3 and there are no subheads listed.

4. 1.4 Concrete only lists the commonly used strength grades and gravel particle sizes, which can be converted if the design is different. Expansive cement concrete, only converted into cement, other materials remain unchanged. The waterproof material of waterproof concrete is different and can be adjusted.

4. 1.5 If concrete admixture must be used for on-site mixing of concrete, the expenses shall be calculated separately.

4. 1.6 according to the design requirements, plain concrete is adopted for the foundation subtitle, with the specific content of 10. 15? , other unchanged.

4. 1.7 The light concrete subtitle has included the mixing production of furnace (coal) slag concrete.

4. 1.8 When the elevation difference between the internal and external floors of the platform exceeds 30cm, the earthwork will increase by 0.34 man-days for every increase of 1cm, and the earthwork will increase by 0.46 man-days for every increase of 50m when the earthmoving distance exceeds 100m.

4. 1.9 cushion sand filling A4-20 1 subtitle, if the materials used in the design are different, the unit price of the materials shall be converted.

4.2 Precast concrete

4.2. 1 precast concrete component production subtitle does not include concrete production, and its concrete production is calculated according to the concrete content (including loss rate) of the corresponding subtitle, which is applicable to the concrete production subtitle of cast-in-place concrete engineering.

4.2.2 Prestressed thin plate subtitle is applicable to assembled prestressed reinforced concrete slab with thickness less than 3cm.

4.2.3 Other sporadic components include: washbasin, washbasin, dishwashing basin, small basin and components with single volume less than 0.05m3 ..

4.2.4 The installation loss of flower leakage and knife flower stacking is 1.5m2/ 100m2.

4.2.5 Installation of precast concrete members shall be regarded as single-machine operation. If two machines need to cooperate because of overweight, the number of working days and mechanical expenses should be multiplied by 2.

4.2.6 When the hoisting height exceeds 16m, the number of working days and the mechanical fee shall be multiplied by the coefficient 1.2. If it exceeds 16m, measures must be taken before hoisting, and the required expenses shall be calculated separately.

4.2.7 Each working cycle includes necessary mechanical displacement.

4.2.8 The machinery used in actual work is different from the specifications and shall not be converted.

4.2.9 Installation of precast concrete members includes on-site transportation, but does not include temporary scaffolding for installation works. If it happens, it should be calculated according to the relevant provisions of scaffolding.

4.2. The concrete in10 precast concrete component installation subtitle is mixed manually, and it will not be adjusted when the actual construction is different.

4.2. 1 1 The transportation of precast concrete components is suitable for transportation from the component stacking place or component processing factory to the construction site, taking into account various factors such as urban road slope and downhill of heavy vehicles, and will not be adjusted due to different road conditions.

4.2. During the transportation of12 components, the costs of reinforcement and widening due to the load limit (height limit) of roads and bridges, as well as the security escort costs of tram lines and public security traffic management departments shall be calculated separately.

4.3 reinforcement

4.3. 1 The reinforcement works are divided into different varieties and specifications, which are listed separately according to the subheads such as ordinary reinforcement and prestressed reinforcement.

4.3.2 Non-prestressed steel bars in prestressed concrete members shall be made of ordinary steel bars.

4.3.3 Cold-rolled ribbed steel bar is a semi-finished product that is shaped and produced.

4.3.4 Reinforcement joints and construction losses not indicated in the design drawings have been incorporated into the quota subtitle.

4.3.5 Electrodes used for binding iron wire, forming spot welding and joint welding have been integrated into corresponding subheadings.

4.3.6 Steel bars are mainly bound by hand, and cannot be converted when the actual construction is different.

4.3.7 Non-prestressed reinforcement does not include cold working. If the design requires cold working, it should be calculated separately.

4.3.8 The artificial aging treatment of prestressed reinforcement required by the design shall be calculated separately.

4.3.9 The structural steel bars listed in the table below can be adjusted according to the tabulation coefficient, and the working days and mechanical fees can be adjusted.

Engineering prefabricated components, structural reinforcement.

Coefficient range arch trapezoidal roof truss joist storage bin

Rectangular circle

The adjustment coefficient of man-days and machinery fees is1.161.051.251.5.

4.3. 10 The reinforcement of retaining wall and soil nail for slope protection by manual digging pile shall be calculated according to the reinforcement of cast-in-place members in An Zi grid.

4.3. 1 1 steel pipe anchor is calculated according to the subtitle of anchor production and installation (A4-290), and the consumption remains unchanged, so the unit price of converted materials changes.

4.3. 12 steel pipe soil nailing support shall be calculated according to the subtitle of Fabrication and Installation of Cast-in-place Steel Members (A4-309), and the unit price of materials shall be converted according to the remaining consumption after deducting the steel bar bender and butt welder.

4.3. 13 Different anchoring doses can be adjusted.

4.3. 14 The consumption of steel wire bundles and strands refers to their theoretical weights, including losses. The unit price of unbonded steel strand bundle includes protective layer.

4.3. 15 straight bolt reinforced joint can be calculated by tapered bolt reinforced joint, and can be converted according to different unit prices.

4.4 Other instructions

4.4. Within1board sticking out of the wall 150mm, it is still calculated according to the relevant subtitle of the board.

4.4.2 Cantilever plate, including bracket and cantilever beam extending out of the wall, and beam embedded in the wall, shall be calculated respectively according to the relevant subtitle of beam. Cantilever plate out of the wall more than 500mm according to the awning related Buddhism calculation, within 500mm according to the eaves related Buddhism calculation. Balcony and awning that extend out of the wall for more than 1.5m shall be calculated according to relevant subheadings of beam and slab respectively.

4.4.3 If the height of the railing board exceeds 1.2m, it shall be calculated according to the relevant subtitle of the wall.

Engineering quantity calculation rules

4. 1 cast-in-place concrete

4. 1. 1 cast-in-place building concrete shall be calculated according to the following provisions:

1 The production of cast-in-place building concrete is calculated according to the quota concrete content of the corresponding project of cast-in-place building concrete.

2 Cast-in-place building concrete shall be cast according to the size shown in the design and calculated by volume, unless otherwise specified, without deducting the volume occupied by steel bars, embedded iron pieces and holes in pile heads, walls and plates extending into the foundation of pile caps.

3 basis:

1) The concrete pouring quantity of manual digging pile core shall be calculated according to the relevant regulations of manual digging pile wall protection project.

2) Box-type whole house foundation shall be calculated separately according to relevant regulations such as foundation, column, beam, plate and wall.

3) Except for blocks, other types of equipment foundations shall be calculated according to the relevant provisions of foundations, columns, beams, plates and walls.

4 columns:

Column height:

1) The column height with beam and slab should be calculated from the upper surface of column foot (or upper surface of floor slab) to the upper surface of the next floor slab.

2) The column height of a beamless floor should be calculated from the upper surface of the column foot (or the upper surface of the floor) to the lower surface of the column cap.

3) The column height of the frame column should be calculated from the upper surface of the column base to the top of the column.

4) The constructional column is calculated according to the total height, and the embedded wall part is incorporated into the column body area.

5) The corbel attached to the column and the column cap of the riser are included in the column volume calculation.

5. Beam: The beam head and beam pad extending into the wall are merged into the beam volume. When overhangs and gutters are connected with beams, the outer line of beams is taken as the dividing line.

Beam length:

1) When the beam is connected to the column, the beam length is calculated to the inside of the column.

2) When the main beam is connected with the secondary beam, the length of the secondary beam is calculated to the inside of the main beam.

6 circuit boards:

1) There are beams and slabs (including primary and secondary beams and slabs), which are calculated according to the sum of beam and slab volumes. Curved beam with beam slab is calculated according to beam slab quota.

2) Flat plate, calculated according to the sum of the volume of flat plate and column cap.

3) The flat plate is calculated according to the plate volume.

4) The amount of floor concrete shall be deducted from the amount of wall and column concrete.

5) The plate heads of all kinds of plates extending into the wall are included in the plate volume calculation, and the ribs and foundation beams of thin shell plates are included in the thin shell volume calculation.

6) When overhangs, gutters and floors (including roof panels and floors) are connected, the outer line of the external wall shall be taken as the dividing line. The awning and balcony slab shall be calculated by the volume of the part outside the wall according to the dimensions shown in the design drawing, including the volume of the corbel and the eaves of the awning.

7) If the plate extends out of the wall 150mm, it will still be counted as a plate.

7 Wall: Wall battlements (with wall columns), concealed columns, concealed beams and protruding parts of the wall are included in the wall volume calculation.

Height of concrete wall:

1) If there is a beam, the beam with the same thickness as the wall is included in the calculation of the wall, and if there is no beam, it is counted as the plate surface.

2) If there is a basement, it shall be counted from the basement surface, if there is no basement, it shall be counted from the foundation surface, and the floor shall be counted from the floor surface.

8 Special-shaped columns and walls are divided according to the following figure. Two-way can not meet the standards of special-shaped columns or special-shaped walls, respectively, according to the calculation of special-shaped columns or straight walls.

9 The volume of post-cast strip shall be deducted from the quantities of beam, slab and wall, and the quantities of post-cast strip shall be calculated by volume according to the design graphic size.

10 integral staircase, including rest platform, platform beam, inclined beam, cross beam, step board and step connected with floor slab, calculated by volume according to the dimensions shown in the design.

1 1 railing is calculated by volume, including the part extending into masonry. If the height of the fence board exceeds 1.2m, it shall be calculated as a wall. Within 0.6m higher than the board surface, calculated as cornice.

12 cantilever slab, including corbel and cantilever beam extending out of the wall, and the beam buried in the wall is calculated according to the relevant regulations of beam. Cantilever plates protrude from the wall for more than 500mm, and press awnings for less than 500mm. Balcony and awning that extend out of the wall more than 1.5m shall be calculated according to relevant regulations such as beams and slabs.

13 A single roof (room) pool with a capacity less than 50m3 (excluding columns, beams, walls and plates supporting the pool) shall be calculated as the pool in the room, and the pool with a capacity greater than 50m3 shall be calculated as columns, beams, walls and plates respectively.

14 components with a single volume within 0.05m3 are calculated as small components.

15 floor is calculated by area according to the size shown in the design, excluding the area occupied by protruding ground structures, equipment foundation, indoor railway and trench. , and does not include the area occupied by partition walls and columns, chimneys, chimneys with walls and holes within 0.3m2, and the opening of doorways, empty circles, heating tanks and niches does not increase the area.

4. 1.2 The concrete quantity of cast-in-place structure shall be calculated according to the following provisions:

1 The production quantity of cast-in-place structural concrete is calculated according to the quota concrete content of the corresponding project of cast-in-place structural concrete.

2 Cast-in-place concrete structure shall be poured according to the design graphic size, and the volume of steel bars, embedded iron pieces and holes with a single area less than 0.3 m2 shall not be deducted.

3 water tower:

1) The tank body and the tank bottom are bounded by the bottom of the ring beam connected with the tank bottom, with the tank bottom above and the tank body below.

2) The barrel tower body and lintels, awnings and overhangs attached to the barrel body are combined into the volume calculation of the tower body; Joint calculation of column, beam and tower body of tower crane.

3) Tower top and trough bottom: the tower top includes the top plate and ring beam, and the trough bottom includes the inclined wallboard and ring beam selected from the bottom plate, all of which are calculated together.

4. No matter the flat bottom, cone bottom and slope bottom of the storage tank, it shall be calculated as the tank bottom; The bottom beam of the wall and the pool wall, whether round or rectangular, are calculated as the pool wall; Other projects are calculated according to the relevant provisions of the corresponding projects of cast-in-place building concrete.

4.2 Precast concrete

4.2. 1 The concrete output of precast concrete members shall be calculated according to the concrete content of the corresponding project of precast concrete members.

4.2.2 The number of precast concrete members shall be calculated by volume according to the size shown in the design, and the volume of steel bars, embedded iron pieces and holes in the 300mm×300mm precast concrete slab in the member shall not be deducted, and the cavity volume of the hollow slab shall be calculated as a comprehensive loss rate of 2.5%, but the loss of precast concrete roof truss, corbel, beam, slab and column with a length exceeding 9m shall not be calculated.

4.2.3 Installation and transportation quantities of precast concrete members shall be calculated according to the volume of concrete members.

4.2.4 The production quantities of steel bars in precast concrete members shall be calculated according to the relevant provisions of metal structure engineering, and their installation and transportation shall not be calculated separately.

4.2.5 Precast other sporadic components, including: washbasin, washbasin, dishwashing basin, small basin and individual components with volume less than 0.05m3, calculated according to the volume of concrete.

4.2.6 Precast concrete leakage, cutting production and installation quantities shall be calculated according to the vertical projection area of the periphery of the component; The transportation quantity is calculated according to the peripheral volume of the assembly.

4.3 reinforcement

4.3. 1 reinforcing cage, mesh, steel dowel and anchor bar shall be manufactured and installed according to the length (area) of steel bar (mesh) shown in the design multiplied by the theoretical mass of the unit, and its processing lap and construction loss have been included in the quota. The reinforcement of retaining wall with manual digging pile is calculated according to the reinforcement of cast-in-place concrete.

4.3.2 Calculation of anchor rod: The production and installation of anchor rod shall be calculated by multiplying the length of design drawing by the theoretical mass of unit.

4.3.3 The number of steel bars shall be calculated according to the following provisions:

1 reinforcement engineering should be calculated by multiplying the design length by the theoretical mass of the unit according to the difference between cast-in-place and prefabricated components, different steel grades and specifications.

2 when calculating the number of steel bars, the lap joints of steel bars shall be calculated according to the design and specifications; The off-design connection quota of reinforcement and the ex-factory length of reinforcement caused by comprehensive cutting of reinforcement have been considered and are not calculated separately.

3. Vertical reinforcement of walls, columns and elevator shaft walls; Beam, floor, basement floor wear reinforcement; The reinforcement at the horizontal corner of the wall and elevator shaft wall, the connection area, connection mode and connection length of the above reinforcement are calculated according to the design drawings, relevant specifications, procedures and national standard atlas.

4 steel electroslag pressure welding joint and sleeve taper bolt steel joint are the same calculation.

5 pretensioned prestressed reinforcement, according to the design graphic reinforcement length multiplied by the unit theoretical mass calculation; Post-tensioned prestressed steel bars, steel strand bundles and steel strands are calculated by multiplying the length of steel bars (tow and steel strand) shown in the design by the theoretical mass per unit, and distinguishing different anchorage types. The length is calculated according to the following provisions:

1) When screw anchors are used at both ends of low-alloy steel bars, the length of bars shall be calculated by subtracting 0.35m from the length of reserved channels, and the screws shall be calculated separately.

2) When upsetting inserts are used at one end of low alloy steel bars and screws are used at the other end for anchoring, the length of steel bars shall be calculated according to the length of channels, and the screws shall be calculated separately.

3) When one end of the low alloy steel bar is inserted by upsetting and the other end is anchored by side bars, the length of the bar increases by 0.15m; ; When side anchors are used at both ends, the reinforcement length is calculated by increasing the channel length by 0.3m

4) When low-alloy steel bars are self-anchored by post-tensioned concrete, the length of steel bars shall be calculated by increasing the channel length by 0.35m m. ..

5) JM, XM and QM anchors are used for low alloy steel bars (steel strands). When the channel length is less than 20m, the reinforcement length should be increased by1m; When the groove is longer than 20m, the length of reinforcement (steel grain line) shall be calculated as the increase of groove length1.8m.

6) The carbon steel wire adopts conical anchorage. When the length of the channel is less than 20m, the length of the steel wire bundle is calculated as the increase of the channel length 1m; When the channel length is more than 20m, the length of steel wire bundle shall be calculated as the channel length increase1.8m.

7) When the carbon steel tows are anchored by upsetting, the length of the steel tows shall be calculated by increasing the channel length by 0.35m m. ..

4.3.4 Cast-in-place concrete members shall be embedded with iron pieces, and the dimensions shown in the design drawings shall be calculated according to the quality.

4.3.5 According to the approved construction organization design, the bracket for fixing embedded bolts and iron pieces, the iron horse stool for fixing double-layer steel bars, and the shim are calculated according to the quality of embedded bolts, embedded iron pieces and steel bars respectively.

4.3.6 Artificial aging treatment of prestressed steel bars shall be calculated according to the quality of steel bars.

As for the specific points, you can enter "XXX doc" or "XXX pdf" in Baidu to search. There should be a lot of information. That's how I look for information.