Title:
SHORT-BENCH CONSTRUCTION METHOD FOR WEAK SURROUNDING ROCK SECTION OF SUPER-LARGE-SECTION TUNNEL
Document Type and Number:
WIPO Patent Application WO/2023/138033
Kind Code:
A1
Abstract:
A short-bench construction method for a weak surrounding rock section of a super-large-section tunnel, comprising the following steps: S1: excavating for a top arc-shaped guide pit (1); S2: excavating left and right for middle benches on both sides; S3: excavating left and right for lower benches on both sides; S4: excavating for core soil; and S5: tunnel bottom (7) excavation and inverted arch support.
Inventors:
SHAN LIANG (CN)
YANG ZHENG (CN)
HUANG GUOZHONG (CN)
CHEN RISHENG (CN)
CHEN ZHONGLUE (CN)
LIU YONGFENG (CN)
YANG LIAN (CN)
LIU BIN (CN)
YU LU (CN)
WANG HUIHONG (CN)
CAO YUHONG (CN)
YANG ZHENG (CN)
HUANG GUOZHONG (CN)
CHEN RISHENG (CN)
CHEN ZHONGLUE (CN)
LIU YONGFENG (CN)
YANG LIAN (CN)
LIU BIN (CN)
YU LU (CN)
WANG HUIHONG (CN)
CAO YUHONG (CN)
Application Number:
PCT/CN2022/110510
Publication Date:
July 27, 2023
Filing Date:
August 05, 2022
Export Citation:
Assignee:
THE FIRST ENG COMPANY OF CCCC FOURTH HARBOUR ENG CO LTD (CN)
International Classes:
E21D9/00; E21D11/10; E21D11/15; E21D11/18; E21D20/02
Foreign References:
| CN114320317A | 2022-04-12 | |||
| CN108222951A | 2018-06-29 | |||
| CN109882185A | 2019-06-14 | |||
| JP2000204888A | 2000-07-25 | |||
| CN112196582A | 2021-01-08 |
Attorney, Agent or Firm:
GUANGZHOU SINO PATENT & TRADEMARK AGENT CO., LTD. (CN)
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