Inner pull anchor cable structure of long-span cutting top roadway-forming roof
The invention relates to an inner pull anchor cable structure of a long-span cutting top roadway-forming roof. The inner pull anchor cable structure of the long-span cutting top roadway-forming roof includes first anchor cable systems A1 and second anchor cable systems A2 alternately arranged along...
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| creator | JIANG BANGYOU ZHU SHAOHUI ZHANG FUQIANG ZANG CHUANWEI SUN JIANG TAO GUANGZHE WEN ZHIJIE CHEN LIANJUN ZHANG SHULEI ZHANG GUANGCHAO XU MEIHUI ZHAO DESHUAI |
| description | The invention relates to an inner pull anchor cable structure of a long-span cutting top roadway-forming roof. The inner pull anchor cable structure of the long-span cutting top roadway-forming roof includes first anchor cable systems A1 and second anchor cable systems A2 alternately arranged along a roadway construction direction, and inner pull anchor cable truss girder systems A3 disposed between the A1 systems and the A2 systems; wherein the A1 system focuses on the support of the side roof depending on the solid coal, the A2 system focuses on the support of the middle part of the roof, and the A3 system focuses on the mechanical connection between the side roof structure of the goaf and the deep stable surrounding rock; and the three anchor cable systems interact and cooperate with each other through the transfer effect of the intrinsic forces, so as to jointly achieve roof stability control during excavation. The lower truss girder structure of the A3 has the function of pressure reducing and energy abs |
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The inner pull anchor cable structure of the long-span cutting top roadway-forming roof includes first anchor cable systems A1 and second anchor cable systems A2 alternately arranged along a roadway construction direction, and inner pull anchor cable truss girder systems A3 disposed between the A1 systems and the A2 systems; wherein the A1 system focuses on the support of the side roof depending on the solid coal, the A2 system focuses on the support of the middle part of the roof, and the A3 system focuses on the mechanical connection between the side roof structure of the goaf and the deep stable surrounding rock; and the three anchor cable systems interact and cooperate with each other through the transfer effect of the intrinsic forces, so as to jointly achieve roof stability control during excavation. 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The inner pull anchor cable structure of the long-span cutting top roadway-forming roof includes first anchor cable systems A1 and second anchor cable systems A2 alternately arranged along a roadway construction direction, and inner pull anchor cable truss girder systems A3 disposed between the A1 systems and the A2 systems; wherein the A1 system focuses on the support of the side roof depending on the solid coal, the A2 system focuses on the support of the middle part of the roof, and the A3 system focuses on the mechanical connection between the side roof structure of the goaf and the deep stable surrounding rock; and the three anchor cable systems interact and cooperate with each other through the transfer effect of the intrinsic forces, so as to jointly achieve roof stability control during excavation. The lower truss girder structure of the A3 has the function of pressure reducing and energy abs</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS |
| title | Inner pull anchor cable structure of long-span cutting top roadway-forming roof |
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