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METHOD FOR ARRANGEMENT OF PILE FOUNDATIONS FOR STRUCTURES, PILE FOUNDATIONS AND SHELL STRUCTURE FOR CREATION OF WIDENED FOOT
METHOD FOR ARRANGEMENT OF PILE FOUNDATIONS FOR STRUCTURES, PILE FOUNDATIONS AND SHELL STRUCTURE FOR CREATION OF WIDENED FOOT
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机译:桩基结构的桩基布置方法,桩基的建立
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摘要
FIELD: construction.;SUBSTANCE: invention is related to methods for arrangement of pile foundations for structures, to pile foundations and shell structure for creation of widened foot for pile foundations. Method for creation of pile foundation for structures, according to which the following stages are executed on site to arrange the mentioned foundation - well for installation of foundation pipe is drilled with the help of the first auger drill. The following section is drilled under lower end of installed foundation pipe. Cavity is arranged in the specified section by means of scraper and pressure of water jet. Loose soil is removed from specified cavity by mentioned first drill. Pipe for set of tools and accessories with the second auger drill and flexible shell that envelopes the lower part of the second specified drill is lowered through foundation pipe into lower part of specified section. Excess pressure is built up in specified shell, and moulding material is injected into specified cavity, surplus of which is then removed by the second auger drill. After mentioned material hardens, the specified shell is blown off and removed via specified foundation pipe. Reinforcing device is lowered into foundation pipe. Concrete material is poured into foundation pipe, at that specified cavity is filled, and specified reinforcing device is embedded into concrete, thus creating widened foot for foundation pipe. Versions of method and pile foundation are also stated.;EFFECT: higher stability and resistance to compressing and stretching forces, lower material intensity.;5 cl, 26 dwg
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