Title:
CONSTRUCTION METHOD FOR FOUNDATION PIT ENCLOSURE AND EARTH EXCAVATION
Document Type and Number:
WIPO Patent Application WO/2023/077552
Kind Code:
A1
Abstract:
A construction method for foundation pit enclosure and earth excavation, comprising the following steps of: construction drawing design and drawing review, construction site preparation, support enclosure arrangement, drainage measure arrangement, earth excavation, cushion layer, bottom plate and force transmission belt pouring, support dismantling, basement structure construction completion, earth backfilling, and grouting after pile pulling. Foundation reinforcement measures in a pit are used, and accumulated water in the foundation pit is pumped out in time, such that in the whole pit digging process, the foundation pit has better stability, meanwhile, excavation is performed in sequence in a segmented and layered mode from top to bottom, the gradient is reasonably controlled, slope toe cutting is avoided, side slope instability is prevented, and the safety is better.
Inventors:
BAO JIAJIA (CN)
DUAN HAITAO (CN)
MO GUOJUN (CN)
LIU QILONG (CN)
MA GENBAO (CN)
DUAN HAITAO (CN)
MO GUOJUN (CN)
LIU QILONG (CN)
MA GENBAO (CN)
Application Number:
PCT/CN2021/130514
Publication Date:
May 11, 2023
Filing Date:
November 15, 2021
Export Citation:
Assignee:
ZHEJIANG QIAOXING CONSTRUCTION GROUP CO LTD (CN)
International Classes:
E02D17/04; E02D5/04; E02D5/28; E02D17/18; E02D19/10; E03F5/04; E03F5/10
Foreign References:
| CN106567394A | 2017-04-19 | |||
| CN102587387A | 2012-07-18 | |||
| CN112832257A | 2021-05-25 | |||
| CN111608186A | 2020-09-01 | |||
| AU2020103672A4 | 2021-02-04 |
Other References:
XU, JIANJUN: "Steel Larson Steel Sheet Pile Construction Technology of Composite Retaining System", CONSTRUCTION TECHNOLOGY, vol. 47, no. 07, 10 April 2018 (2018-04-10), XP009546032, ISSN: 2097-0897
LI, YOUNENG: "Discussion on the application of combined support scheme in the construction of deep foundation pit of bridge", WESTERN CHINA COMMUNICATIONS SCIENCE & TECHNOLOGY, no. 12, 15 December 2019 (2019-12-15), XP009546034, ISSN: 1673-4874
GE, LEI ET AL.: "Analysis on Application of Bored Pile Combined with Concrete Internal Support Technology in Deep Foundation Pit Engineering", BUILDING TECHNIQUE DEVELOPMENT, vol. 47, no. 11, 15 June 2020 (2020-06-15), XP009545989, ISSN: 1001-523X
ZHANG, ZHEN: "Excavation Technique Under Supporting Gusset of Soft Soil Foundation Pit and Row of Piles", CONSTRUCTION & DESIGN FOR ENGINEERING, no. 13,, 10 July 2018 (2018-07-10), XP009545988, ISSN: 1007-9467
LI, YOUNENG: "Discussion on the application of combined support scheme in the construction of deep foundation pit of bridge", WESTERN CHINA COMMUNICATIONS SCIENCE & TECHNOLOGY, no. 12, 15 December 2019 (2019-12-15), XP009546034, ISSN: 1673-4874
GE, LEI ET AL.: "Analysis on Application of Bored Pile Combined with Concrete Internal Support Technology in Deep Foundation Pit Engineering", BUILDING TECHNIQUE DEVELOPMENT, vol. 47, no. 11, 15 June 2020 (2020-06-15), XP009545989, ISSN: 1001-523X
ZHANG, ZHEN: "Excavation Technique Under Supporting Gusset of Soft Soil Foundation Pit and Row of Piles", CONSTRUCTION & DESIGN FOR ENGINEERING, no. 13,, 10 July 2018 (2018-07-10), XP009545988, ISSN: 1007-9467
Attorney, Agent or Firm:
ZHEJIANG KG IP LAW FIRM (CN)
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