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Title:
POSITIONING REINFORCING MESH FOR PRESTRESSED DUCT, AND CONSTRUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/131358
Kind Code:
A1
Abstract:
A positioning reinforcing mesh for a prestressed duct, and a construction method therefor, which relate to the technical field of prefabrication construction of box girders of high-speed railways. The positioning reinforcing mesh for a prestressed duct comprises: two bottom-plate positioning steel bars, which are parallel to a bottom plate of a box girder, and two web-plate positioning steel bars, which are parallel with a web plate, wherein one end of each bottom-plate positioning steel bar is fixedly connected to the bottoms of the web-plate positioning steel bars; and a plurality of bottom-plate prestressed duct mesh holes are arranged between the two bottom-plate positioning steel bars, and a plurality of web-plate prestressed duct mesh holes are arranged between the two web plate positioning steel bars. By means of the construction method based on a positioning reinforcing mesh for a prestressed duct in the present invention, a prestressed reinforcing mesh can achieve accurate positioning, and is fixed firmly, thereby having high construction efficiency.

Inventors:
SUN MENG (CN)
ZHENG HEMIN (CN)
SHI LEI (CN)
LIU TONGBIN (CN)
YIN AIGUO (CN)
LI KUISHUANG (CN)
GUO ZHONGWEN (CN)
ZHOU LIANG (CN)
QI YABEI (CN)
LIU JIAXIN (CN)
ZHANG FAN (CN)
ZHANG SHAOPENG (CN)
ZHANG YALEI (CN)
LI DONGYUAN (CN)
CHANG ZHIHAO (CN)
TIAN LIUZHU (CN)
SHI HAOJIE (CN)
HUA MENGJIE (CN)
ZHANG CHENYANG (CN)
Application Number:
PCT/CN2023/083630
Publication Date:
July 13, 2023
Filing Date:
March 24, 2023
Export Citation:
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Assignee:
CHINA RAILWAY SEVENTH GROUP CO LTD (CN)
ZHENGZHOU ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP (CN)
International Classes:
B28B23/02; B28B7/00; B28B23/04
Domestic Patent References:
WO2016198720A12016-12-15
Foreign References:
CN115416154A2022-12-02
CN102003071A2011-04-06
CN115042315A2022-09-13
CN215857277U2022-02-18
US20180155886A12018-06-07
Attorney, Agent or Firm:
BEIJING HECHUANG ZHIXIN PATENT AGENCY CO., LTD (CN)
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