WATER FILLING AND DRAINAGE TEST METHOD AND DEVICE FOR PREFABRICATED CRACK-CONTAINING REINFORCED CONCRETE LINING PRESSURE TUNNEL

WIPO Patent Application WO/2024/066869

A1

Disclosed in the present invention is a water filling and drainage test device and method for a prefabricated crack-containing reinforced concrete lining pressure tunnel. The test device comprises a cylindrical barrel, a reinforced concrete lining containing prefabricated cracks, surrounding rock, geotechnical cloth, a front flange, a rear flange, and a monitoring instrument. The surrounding rock is proximate to an inner wall of the cylindrical barrel, and the reinforced concrete lining containing the prefabricated cracks is inside of the surrounding rock; and the front flange and the rear flange are fixed at two ends of the cylindrical barrel. The test device is used for carrying out a water filling and drainage test on the pressure tunnel, and observing the change in the width of the prefabricated cracks and the conditions of the pressure tunnel. Compared to an existing test device and method, the present invention can accurately capture the dynamic evolution characteristics of internal water exosmosis evolution, stresses in a lining structure, changes in the width of the lining cracks, and the contact between the lining and the surrounding rock in a water filling and drainage operation process of the reinforced concrete lining pressure tunnel, and can reflect the real operation conditions and mechanisms of the reinforced concrete lining pressure tunnel.

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LIU XUESHAN (CN)
ZHANG QIANG (CN)
ZHANG PENG (CN)
ZHENG ZHI (CN)
WANG XIAOGANG (CN)
QIN ZHENGYUN (CN)
GUO KAI (CN)
PAN DINGCAI (CN)
ZHOU GANG (CN)
WANG YUJIE (CN)
ZHENG YUEYANG (CN)
HUANG YUFEI (CN)
SHI YUNLI (CN)
SONG CHUNHUA (CN)
YING PENGTAO (CN)
ZHANG QIQI (CN)
HUANG HECHENG (CN)
LIU LIPENG (CN)

PCT/CN2023/115549

April 04, 2024

August 29, 2023

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ENGINEERING CONSTRUCTION MAN BRANCH OF CHINA SOUTHERN POWERGRID POWER GENERATION CO LTD (CN)
CHINA INST WATER RESOURCES & HYDROPOWER RES (CN)
UNIV GUANGXI (CN)

G01N3/12; E21F17/18; G01N15/08

CN115539131A	2022-12-30
CN110082218A	2019-08-02
CN106353120A	2017-01-25
CN110823613A	2020-02-21
CN112595533A	2021-04-02
CN113848122A	2021-12-28
CN214702780U	2021-11-12
JP2011052974A	2011-03-17
JPH06229199A	1994-08-16

ADVANCE CHINA IP LAW OFFICE (CN)

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