Foundation works include piling and cast-in-place piles.
a) Piling (No. 010301).
1.Quantity calculation rules
2.Related Notes:
1) The stratigraphic condition in the project characteristics is the same as the foundation treatment.
2) The pile section, concrete strength grade, pile type, etc. in the project characteristics can be directly described by the standard drawing code or the design pile type.
3) The prefabricated reinforced concrete square pile and prefabricated reinforced concrete pipe pile project shall be prepared with finished piles, which shall include the purchase cost of finished piles, and if on-site prefabrication is used, all the costs of on-site prefabricated piles shall be included.
4) Driving test piles and inclined piles should be according to the corresponding projectsSeparate item, and the test pile or inclined pile (slope) should be indicated in the project characteristics.
The piling project includes pile connection and pile delivery, which does not need to be listed separately and should be considered in the comprehensive unit price。The interception (chisel) pile head needs to be listed separately, and the interception (chisel) pile head project is applicable to the pile head interception (chisel) of the piles listed in the "foundation treatment and slope support engineering and pile foundation engineering". At the same time, it should be noted that the pile foundation project (piling and cast-in-place pile) does not include bearing capacity testing, pile integrity testing, etc., and the relevant costs should be calculated separately (belonging to the scope of research and test fees).
6) The connecting structure of the pile top of the prefabricated reinforced concrete pipe pile and the cushion cap shall be listed according to the relevant items of "concrete and reinforced concrete engineering".
2) Cast-in-place piles (number: 010302).
1.Quantity calculation rules
2.Related Notes:
1) The stratigraphic condition in the project characteristics is the same as the foundation treatment.
2) The pile length in the project characteristics should include the pile tipEmpty pile length Hole depth Pile length, hole depth is the depth from the natural ground to the design pile bottom
3) The pile section (pile diameter), concrete strength grade, pile type, etc. in the project characteristics can be directly described by the standard drawing code or the design pile type.
4) The mud wall protection hole cast-in-place pile refers to the pile that is made into a hole under the condition of mud wall protection and uses underwater concrete. Its hole-forming methods include percussion drilling, punching and grabbing cone holes, gyratory drilling, submersible drilling, and rotary drilling of mud wall protection.
5) The immersed pipe methods of immersed tube cast-in-place piles include hammer sinking pipe method, vibrating immersed pipe method, vibrating impact immersed pipe method, internal ramming immersed pipe method, etc.
6) Dry operation hole cast-in-place pile refers to the pile of concrete pouring concrete under the reinforcement cage after the hole is formed with a drilling rig without mud wall protection and casing wall protection, which is suitable for the use of soil layer above the groundwater level. Its hole-forming methods include auger drilling, auger drilling and expanding the bottom, and rotary drilling and drilling of dry operations.
7) Types of concrete: fair-faced concrete, colored concrete, underwater concrete, etc.; If both ready-mixed (commercial) concrete is used in the same area, and on-site mixing of concrete is allowed, it should also be indicated (the same below).