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Patent Searching and Data


Title:
SECANT PILE AND RETAINING WALL COMBINED FOUNDATION PIT SUPPORTING STRUCTURE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2021/013200
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of foundation pit supports, and relates to a secant pile and retaining wall combined foundation pit supporting structure and method. Secant pile plain piles and secant pile reinforced piles are fitted together to form secant pile bodies; secant piles are connected to an outer wall structure to form a flat wall surface; crown beams are molded on the upper portions of the retaining wall and the secant piles respectively; first supports are reinforced concrete supports and are connected to reserved steel bars on the crown beams; purlins are installed on the retaining wall and the outer wall structure according to the designed elevation; second supports and third supports are steel supports of a double spliced structure and are connected to the purlins, so that the secant piles are combined with the retaining wall. Therefore, the advantages of the secant piles and the retaining wall are fully utilized, and the disadvantages of the two may be overcome. The waterproof effect is good, the construction is flexible, the anti-seepage capacity is strong, and the present invention has wide application prospects and good economic effects.

Inventors:
WANG YONGHONG (CN)
ZHANG MINGYI (CN)
BAI XIAOYU (CN)
MA JIAXIAO (CN)
WANG HAIGANG (CN)
LIU XUEYING (CN)
Application Number:
PCT/CN2020/103603
Publication Date:
January 28, 2021
Filing Date:
July 22, 2020
Export Citation:
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Assignee:
UNIV QINGDAO TECHNOLOGY (CN)
International Classes:
E02D17/04; E02D5/18; E02D5/36
Foreign References:
CN110485430A2019-11-22
CN110485431A2019-11-22
CN109208637A2019-01-15
CN206800370U2017-12-26
CN105862875A2016-08-17
CN108978677A2018-12-11
KR101974826B12019-05-03
US20030084630A12003-05-08
Attorney, Agent or Firm:
JINAN SHENGDA INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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