Title:
REINFORCEMENT APPARATUS AND CONSTRUCTION METHOD FOR LOCAL FREEZING REINFORCEMENT OF DEEP FOUNDATION PIT IN WATER-RICH SAND GRAVEL STRATUM
Document Type and Number:
WIPO Patent Application WO/2020/173100
Kind Code:
A1
Abstract:
The present disclosure provides a reinforcement apparatus and construction method for local freezing reinforcement of a deep foundation pit in a water-rich sand gravel stratum. The reinforcement apparatus comprises a plurality of concrete bored piles and an unclosed underground continuous wall; the length of each of said concrete bored piles is greater than the depth of the foundation pit; steel reinforcing bars are provided in each of the concrete pouring piles; an I-beam is disposed on the unclosed side of the underground continuous wall, and the underground continuous wall is arranged outside the side wall of the foundation pit; steel grids are provided between two adjacent concrete bored piles and between the concrete bored piles and the I-beam, and said steel grids are located above the bottom of the foundation pit.
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Inventors:
XU YONG (CN)
WANG YONGJUN (CN)
ZHOU JIANGUO (CN)
SUN LIANYONG (CN)
LI CHUN (CN)
ZHAO QIANKUN (CN)
LI PU (CN)
WANG YONGJUN (CN)
ZHOU JIANGUO (CN)
SUN LIANYONG (CN)
LI CHUN (CN)
ZHAO QIANKUN (CN)
LI PU (CN)
Application Number:
PCT/CN2019/110662
Publication Date:
September 03, 2020
Filing Date:
October 11, 2019
Export Citation:
Assignee:
JINAN RAIL TRANSIT GROUP CO LTD (CN)
International Classes:
E02D3/115; E02D17/04
Foreign References:
| CN109723065A | 2019-05-07 | |||
| CN204080789U | 2015-01-07 | |||
| CN204080789U | 2015-01-07 | |||
| CN102409691A | 2012-04-11 | |||
| CN108442382A | 2018-08-24 | |||
| DE2737647A1 | 1979-02-22 | |||
| JP2012036720A | 2012-02-23 |
Attorney, Agent or Firm:
JINAN SHENGDA INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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