Title:
MICROBIAL GROUTING ANCHORING METHOD FOR INTRACAVITY GROUTING AND ANCHORING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2022/027958
Kind Code:
A1
Abstract:
Disclosed are a microbial grouting anchoring method for intracavity grouting and an anchoring structure. The method comprises the following steps: drilling a hole in an anchoring base body; arranging a plurality of groups of grouting pipes in a cavity of a hollow anchoring rod, enabling part of the groups of grouting pipes to extend to the bottom of the cavity, enabling part of the groups of grouting pipes to extend out of the hollow anchoring rod from a side hole in the middle of the hollow anchoring rod, and then inserting the hollow anchoring rod into the drilled hole; or installing the hollow anchoring rod in the drilled hole, arranging two partition plates in the cavity of the hollow anchoring rod in the axial direction in a crossed manner so as to divide the cavity into a plurality of pipelines for grouting, arranging a transverse partition plate in the middle in the cavity in the radial direction to block part of the pipelines, and enabling the hollow anchoring rod to be provided with a side hole in communication with the blocked pipelines; injecting a grouting liquid into the drilled hole by means of the grouting pipes or the pipelines; and installing a fixed object on a side wall of the anchoring base body, and installing a nut on the hollow anchoring rod to complete anchoring.
Inventors:
JIA QIANG (CN)
ZHANG XIN (CN)
ZHANG XIN (CN)
Application Number:
PCT/CN2021/077917
Publication Date:
February 10, 2022
Filing Date:
February 25, 2021
Export Citation:
Assignee:
UNIV SHANDONG JIANZHU (CN)
ENGINEERING RESEARCH INSTITUTE OF APPRAISAL AND STRENGTHENING SHANDONG JIANZHU UNIV (CN)
SHANDONG JIANGU SPECIAL ENG LIMIT COMPANY (CN)
ENGINEERING RESEARCH INSTITUTE OF APPRAISAL AND STRENGTHENING SHANDONG JIANZHU UNIV (CN)
SHANDONG JIANGU SPECIAL ENG LIMIT COMPANY (CN)
International Classes:
E04B1/38; E02D5/74; E04F13/22
Foreign References:
| CN111877566A | 2020-11-03 | |||
| CN111877565A | 2020-11-03 | |||
| CN208441092U | 2019-01-29 | |||
| CN110924387A | 2020-03-27 | |||
| CN109184255A | 2019-01-11 | |||
| CN109838113A | 2019-06-04 | |||
| CN110374652A | 2019-10-25 | |||
| US20110070033A1 | 2011-03-24 |
Attorney, Agent or Firm:
JINAN SHENGDA INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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