Foundation pit supporting device adopting steel sheet piles and construction method thereof

Abstract

The invention relates to a foundation pit supporting device adopting steel sheet piles and a construction method thereof. The foundation pit supporting device adopting the steel sheet piles comprisestwo guide plates, sliding columns, a lifting plate, positioning insertion columns, adjusting bolts and a positioning mechanism, wherein the front end and the rear end of each guide plate are correspondingly provided with a counter bore, and each counter bore is internally provided with a positioning insertion column; and a sliding column is arranged on the inner side of each guide plate, wherein asquare groove is formed in the top of each sliding column, the lower end of each lifting plate is located in the corresponding square groove, the inner side face of the middle of each lifting plate is connected with the middle of a corresponding adjusting bolt in a threaded fit mode, and a positioning mechanism is installed at the inner end of each adjusting bolt. The foundation pit supporting device adopting the steel sheet piles and the construction method thereof can solve the following problems that when existing steel piles are inserted and placed, a used limiting plate can only limit the positions of the two sides of each steel pile, the perpendicularity of each steel pile needs to be corrected in a manual correcting mode, and when a pile driver hammers the steel piles, the steel piles inclines which leads to that a structure formed by the steel piles can be integrally deflected.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a foundation pit supporting device and construction method using steel sheet piles. Background technique [0002] Foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. The support, reinforcement and protection measures are adopted for the side wall of the foundation pit and the surrounding environment; the common forms of foundation pit support mainly include: 1. Row of piles Steel pile support, pile support, pile anchor, row pile cantilever; 2. Underground diaphragm wall support, ground connection wall + support; 3. Cement retaining wall; 4. Soil nail wall, etc. [0003] When the foundation pit is deep, the groundwater level is high and there is no precipitation during construction, steel piles are often used as the supporting structure. The steel pile supporting structure can not only ...

AI Technical Summary

Problems solved by technology

[0004] 1. The limit plate used for steel piles can only limit the position on both sides. The verticality of steel piles needs to be corrected manually. There will be problems when the pile driver hammers the steel piles. Steel piles are tilted, resulting in the overall deflection of the structure formed by steel piles, resulting in poor support effect of steel piles;

[0005] 2. When two adjacent steel piles are plugged in, it is necessary to manually align the plugging positions of the steel piles. There will be certain safety hazards when manual auxiliary operations are performed, and the steel piles will be caused by docking errors. There is stress between the two steel piles, which causes problems such as deformation of the insertion position of the steel piles

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