Squeezed Branch Pile Applied In Baotou Area

Squeezed branch pile is a new type of reinforced concrete pile structure bionics research,is a new type of pile based on,which is based on the principle of bionics development out of apile with pile, compared with traditional, it has many unique characteristics, and is widelyused in many engineering. The pile is hard soil layer in different parts of pile set branch orbearing disk, the friction multi pivot friction pile into multiple sections of the end bearing pile,thus changing the stress mechanism of the pile, the bearing capacity of the pile is greatlyraised, settlement deformation decreased.In this paper, the extrusion expansion more principle and the theory of bearing capacityof squeezed branch piles was studied, and analyzed the squeezed branch pile soil load transfertheory, the failure mechanism, the method for determining the bearing capacity of squeezedbranch piles and its influencing factors, combined with the project of baotou, the expansion ofsqueezed branch pile and common pile more two kinds of pile type has carried on the contrasttest pile, and probes into the concrete engineering extrusion expansion of squeezed branchpiles more design, construction and quality inspection. Applicability of the technology inbaotou area.By studying the corresponding main conclusions are as follows:(1) the squeezed branch pile can play to the role of the pile depth within the hard soillayer, increase the surface area of the pile end bearing, the bearing will be only a point of pileto have multiple points to end bearing pile. Squeezed branch pile under the same load demand,whether in the pile length, pile diameter and pile number should be less than ordinary straighthole filling pile, branch pile than ordinary straight hole filling pile can save about half of thebuilding material, time limit for a project can also shorten the1/3, has very significantcomprehensive economic efficiency.(2) for baotou area, the geological conditions of extrusion expansion of squeezed branchpiles more plate can be located in solid powder and hard plastic viscosity soil, sandy soil layersoil, underground water level has no effect to its, squeezed branch pile is suitable for thebaotou area.(3) Supporting disc quality is to meet an important part of project design capacity, theformation characteristics in squeezed branch pile all sorts of advantages as well as the Baotouregion, as long as the good control of the links in the construction, the squeezed branch pilewill be in Baotou area is widely spread and application.(4) how to choose reasonable and exact location of the branch and plate spacing is very important, need to constantly explore, practice and summary.