| With the rapid development of urbanization,the construction land is becoming more and more scarce.At the same time,in the rainy season,it is very easy for the waterlogging to seriously affect the normal production and construction activities of the city,and the basement construction is the first to bear the brunt.Anti floating basement special conditions this paper mainly studies the construction of,will be dedicated to finding the basement anti floating design of new ideas and the system of anti floating pile wall reliable accurate calculation to replace the basement backfill and the friction between just as the current anti floating safety and promote the use of the fender piles and the basement wall this combination of anti floating measure system of accurate and reliable design into the anti floating design calculation.In this paper,a lot of research achievements of predecessors are summarized,and the effect of previous technology on resistance to soil and water pressure in pile and wall system is found.Few people have analyzed the mechanism of buoyancy force in construction under special conditions.The technology of "pile wall integration" is born to maximize the occupation of land within the red line.At the same time,it can also solve the waste of resources caused by the abandonment of retaining piles after construction.The pile is the retaining pile and the wall is the exterior wall of the basement.The combination of the two can improve the stability of the main building while shortening the distance between the external walls and the retaining piles,avoiding a large number of excavation of the earthwork and a large amount of backfill after that,and largely saves the expenses.In this paper,through the design of pile wall system,to design the connection characteristics of retaining piles for anti lift static finite element analysis,get the load displacement curve of pile and pile side friction distributions with depth of pile that pile wall system in the construction stage of anti floating with the same ordinary uplift pile and different points.At the same time,the application space of the pile wall system that does not occupy other anti floating measures can be well compatible with the original anti floating measures of the project.The economy mentioned in the previous article will bring all the advantages to the anti floating system of the pile wall and the antifloating system. |