BAG-SHAPED FILLING STRUCTURE FOR UNDERGROUND COAL MINE AND USE METHOD THEREFOR

WIPO Patent Application WO/2019/114224

A1

A bag-shaped filling structure for an underground coal mine and a use method therefor. The bag-shaped filling structure for an underground coal mine comprises a truss beam wall (3), a surface sealing layer of a bag-shaped structure, and a bottom structure (4); the truss beam wall (3) is formed by stacking truss beam frames, the truss beam frame is formed by connecting, end-to-end, truss beam assemblies (2) having four identical sides, and each row of truss beam assemblies (2) is formed by connecting a plurality of truss beam elements (1) side by side; the truss beam wall (3) is fixedly connected between an inner surface sealing layer (7) and an outer surface sealing layer (8) of the surface sealing layer of a bag-shaped structure, and is mounted on the bottom structure (4).

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YAN SHUAI (CN)
WANG RUI (CN)
BAI JIANBIAO (CN)
BAI XIA (CN)
WANG XIANGYU (CN)
XU YING (CN)
CHANG ZHIGUO (CN)
XIA JUNWU (CN)
SONG YUANBA (CN)
ZHANG JUNLE (CN)
LIU TIANXIAO (CN)
ZHAO TIANHAO (CN)
DAN SHENFU (CN)

PCT/CN2018/090750

June 20, 2019

June 12, 2018

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UNIV CHINA MINING (CN)
CHINA MINING&CIVIL NEW MATERIAL SCIENCE AND TECH LTD (CN)

E21F15/02; E21D20/00; E21F15/00

CN105937407A	2016-09-14
CN103603688A	2014-02-26
CN103089298A	2013-05-08
CN101975085A	2011-02-16
US20130251454A1	2013-09-26

NANJING JINGWEI PATENT & TRADEMARK AGENCY CO. , LTD (CN)

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