Evaluation And Study On Reinforced Mixing Pile In Compound Foundation

Reinforced Mixing Pile which is made of two complementary material (cement soil and concrete) is introduced, which congeals in the water soil agitation the beginning of pile inserts certain length the core pile,forms the compound stress pile one kind of new pile,had the core pile participation, enhanced the pile body rigidity and the section supporting capacity,causes display which the water soil the limiting condition side friction and the pile body concrete material strength may coordinate balanced,thus obtains the high single pile limit supporting capacity. The massive project practice proof,this pile has the supporting capacity high,the construction cost low,the pile body quality stable reliable, the construction craft simple and the environmental protection benefit good and so on the merits.This article based the YUYUE harbor ecology business project take as a backing, through to reinforced mixing pile stress and strain test, as well as stiffness agitation pile scene load experiment, research analysis stiffness agitation pile under vertical load function load - subsidence curve characteristics and so on change,pile week various soil layers side friction and destruction pattern,Then the analysis reinforced mixing pile load transmission mechanism and the side friction display character, simultaneously carries on the computation to stiffness agitation pile compound ground subsidence, puts forward the constant section module concept。In this test and before accumulates in the experimental material foundation,has analyzed reinforced mixing pile existence certain questions, and puts forward the corresponding proposal. The union design, the experiment and the project experience discussed reinforced mixing pile destruction pattern,simultaneously introduced this kind of pile the project application effect examination and the appraisal, and carries on the simple economy comparative analysis to it.Finally,to the research work which needed further to develop has carried on the discussion.The above research results and further study to reinforced mixing pile project application have the important reference value.