Bored Pile

S

said

New Member
Hello friends, first of all, I have a new project with a construction area of 330 m2. It is a 4-storey building, including the basement floor. When I lay a flat raft with a flat foundation, my raft thickness is 50 cm. Now the engineer of the owner of the building says, "Let's make bored piles, we will carry half of the weight of the building to the raft and half to the pile. We will both strengthen the foundation and reduce the raft to 30 cm." My question is: can we allocate the building weight in this way? Or does that raft have to carry all the weight of the building? (my logic didn't get the share part so I'm asking :) )
 
Hi, for a 4-storey building, piles are not made just to make the foundation thinner than 50 cm. If it is done, history can be made: D In pile design, it is requested that the entire weight of the structure, including the foundation, be carried by piles as if the ground under the raft has no bearing capacity, and pile capacity design is made accordingly. The thickness of the raft foundation, on the other hand, must meet the stresses that will occur from all the loads on it and the reverse loads on the piles, as in the completely non-beam slab flooring. Even if you just think about stapling, it doesn't go below 50cm anyway. In conclusion, if 50cm is enough, do it and pass.
 
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