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Patent Searching and Data


Title:
IMPRINTING MATERIAL, AND ROUGHENING CONSTRUCTION METHOD FOR NEW AND OLD CONCRETE JOINT SURFACE
Document Type and Number:
WIPO Patent Application WO/2021/142990
Kind Code:
A1
Abstract:
Disclosed are an imprinting material (1), and a roughening construction method for a new and old concrete joint surface. The imprinting material (1) comprises a bottom plate (11) and a plurality of bulges (12) fixed on the bottom plate (11), and the bulges (12) are used for forming an uneven concrete surface. Before initial setting of concrete, the imprinting material (1) is laid on the surface of the concrete; then the bulges (12) on the imprinting material (1) are pressed into the concrete surface; and after the strength of the concrete reaches 2.5-5 MPa, the imprinting material (1) is removed. The imprinting material (1) enables a new and old concrete joint surface to be successfully embedded and fixed, a roughening process is easy to control, and same has a high applicability.

Inventors:
WANG XIONG (CN)
ZOU LI (CN)
XIE BUJUN (CN)
LIAO JIE (CN)
DONG BING (CN)
ZHOU HUI (CN)
CHEN LIANG (CN)
JIA LONG (CN)
Application Number:
PCT/CN2020/090409
Publication Date:
July 22, 2021
Filing Date:
May 15, 2020
Export Citation:
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Assignee:
CHINA RAILWAY NO 2 ENG GROUP CO LTD (CN)
CHINA RAILWAY ERJU 5TH ENG CO LTD (CN)
International Classes:
E01C19/43
Domestic Patent References:
WO1983000054A11983-01-06
Foreign References:
CN110355862A2019-10-22
CN110355862A2019-10-22
CN104328746A2015-02-04
CN206982949U2018-02-09
CN206982949U2018-02-09
CN108360812A2018-08-03
CN108360812A2018-08-03
CN2362960Y2000-02-09
CN2362960Y2000-02-09
JP2011202436A2011-10-13
JP2011202436A2011-10-13
JPH11200620A1999-07-27
JPH11200620A1999-07-27
Attorney, Agent or Firm:
SICHUAN LIJIU LAW FIRM (CN)
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