Rock drilling chamber expanding brushing and supporting method facilitating remodeling of bottom structure of underground chamber
The invention provides a rock drilling chamber expanding brushing and supporting method facilitating underground chamber bottom structure remolding, and relates to the technical field of mining, the rock drilling chamber expanding brushing and supporting method comprises the following steps: 1, a to...
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| creator | SUN QINDONG YUE RUYOU ZHAI LIJUN LI CHUNPENG SHI SHAOFEI LIU WENHUA WANG SHENGJUN ZHANG YUYONG SI SHUBO SHI SHUAI KONG ZHIPENG MA ZHISHUN LIU BINBIN DING XIAO ZHANG JITANG ZHUANG HONGWEI |
| description | The invention provides a rock drilling chamber expanding brushing and supporting method facilitating underground chamber bottom structure remolding, and relates to the technical field of mining, the rock drilling chamber expanding brushing and supporting method comprises the following steps: 1, a top surface structure with height difference is formed on the inner top surface of a chamber, the higher surface is a suspended surface, and the lower surface is a supporting surface; secondly, a slurry filling area is enclosed in the chamber below the supporting face through an enclosing assembly, part of the slurry filling area extends to the position below the suspension face, the height of the enclosing assembly is not smaller than that of the supporting face, and a space or a pouring opening for containing a filling pipe is reserved between the enclosing assembly and the suspension face; and thirdly, the slurry filling area is filled with slurry through a filling pipe or a pouring opening, and the height of the |
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secondly, a slurry filling area is enclosed in the chamber below the supporting face through an enclosing assembly, part of the slurry filling area extends to the position below the suspension face, the height of the enclosing assembly is not smaller than that of the supporting face, and a space or a pouring opening for containing a filling pipe is reserved between the enclosing assembly and the suspension face; and thirdly, the slurry filling area is filled with slurry through a filling pipe or a pouring opening, and the height of the</description><subject>EARTH DRILLING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>GALLERIES</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>TUNNELS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjTELwjAUhLs4iPof4g8QrHXoKkVxchD3kiavbTDJCy8v4Oo_tym6O93dx3G3LN53VE-hyVhr_CDUKF0HJOAVpNeZdJTimM2URUwhIHGODnhELXqpjDUsZ0bgUMM8hL3okBmdiExJcSLILHkNNBBO-vtaF4te2gibr66K7eX8aK47CNhCDFKBB26bW1nW-7o-VMdT9U_nA0RTSvc</recordid><startdate>20240528</startdate><enddate>20240528</enddate><creator>SUN QINDONG</creator><creator>YUE RUYOU</creator><creator>ZHAI LIJUN</creator><creator>LI CHUNPENG</creator><creator>SHI SHAOFEI</creator><creator>LIU WENHUA</creator><creator>WANG SHENGJUN</creator><creator>ZHANG YUYONG</creator><creator>SI SHUBO</creator><creator>SHI SHUAI</creator><creator>KONG ZHIPENG</creator><creator>MA ZHISHUN</creator><creator>LIU BINBIN</creator><creator>DING XIAO</creator><creator>ZHANG JITANG</creator><creator>ZHUANG HONGWEI</creator><scope>EVB</scope></search><sort><creationdate>20240528</creationdate><title>Rock drilling chamber expanding brushing and supporting method facilitating remodeling of bottom structure of underground chamber</title><author>SUN QINDONG ; 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secondly, a slurry filling area is enclosed in the chamber below the supporting face through an enclosing assembly, part of the slurry filling area extends to the position below the suspension face, the height of the enclosing assembly is not smaller than that of the supporting face, and a space or a pouring opening for containing a filling pipe is reserved between the enclosing assembly and the suspension face; and thirdly, the slurry filling area is filled with slurry through a filling pipe or a pouring opening, and the height of the</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Rock drilling chamber expanding brushing and supporting method facilitating remodeling of bottom structure of underground chamber |
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