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Downward horizontal drift full-tailing cemented filling mining method for stoping ore body
The invention discloses a full-tailing cemented filling mining method for a downward horizontal drift of a stoping body, which comprises the steps of stope arrangement, mining preparation engineering, stoping operation and stope filling, and is characterized in that after drift stoping is finished, a reinforcing mesh consisting of flat ribs and vertical ribs is laid at the bottom; the method comprises the following steps: filling a high-proportion full-tailing cemented filling material which is 1/2 of the height of an access road as lower bottoming filling, and filling a low-proportion full-tailing cemented filling material which is 1/2 of the height of the access road as upper common filling after a lower filling body is solidified, the mixing amount is 0.2%-0.8% of the mass of a solid material, the compressive strength and the tensile strength of the lower high-proportion full-tailing cemented filling body can be effectively improved, collapse accidents caused by the fact that the lower high-proportion full-tailing cemented filling body cannot effectively support the upper low-proportion full-tailing cemented filling body are prevented, and therefore the safety of workers and equipment in a stope is guaranteed.
本发明公开了一种回采矿体的下向水平进路全尾砂胶结充填采矿法，包括采场布置、采准工程、回采作业和采场充填，待进路回采完毕后在底部铺设由平面筋和竖筋组成的钢筋网，充填进路高度二分之一的掺碱化水稻秸秆的高配比全尾砂胶结充填材料作为下部打底充填，待下部充填体凝固后充填进路高度二分之一的低配比全尾砂胶结充填材料作为上部普通充填，所述碱化水稻秸秆长度6mm～15mm，掺量为固体物料质量的0.2‰～0.8‰，能够有效提高下部高配比全尾砂胶结充填体的抗压强度和抗拉强度，防止下部高配比全尾砂胶结充填体无法有效支撑上部低配比全尾砂胶结充填体而发生垮塌事故，从而保障采场作业人员及设备的安全。
Downward horizontal drift full-tailing cemented filling mining method for stoping ore body
The invention discloses a full-tailing cemented filling mining method for a downward horizontal drift of a stoping body, which comprises the steps of stope arrangement, mining preparation engineering, stoping operation and stope filling, and is characterized in that after drift stoping is finished, a reinforcing mesh consisting of flat ribs and vertical ribs is laid at the bottom; the method comprises the following steps: filling a high-proportion full-tailing cemented filling material which is 1/2 of the height of an access road as lower bottoming filling, and filling a low-proportion full-tailing cemented filling material which is 1/2 of the height of the access road as upper common filling after a lower filling body is solidified, the mixing amount is 0.2%-0.8% of the mass of a solid material, the compressive strength and the tensile strength of the lower high-proportion full-tailing cemented filling body can be effectively improved, collapse accidents caused by the fact that the lower high-proportion full-tailing cemented filling body cannot effectively support the upper low-proportion full-tailing cemented filling body are prevented, and therefore the safety of workers and equipment in a stope is guaranteed.
本发明公开了一种回采矿体的下向水平进路全尾砂胶结充填采矿法，包括采场布置、采准工程、回采作业和采场充填，待进路回采完毕后在底部铺设由平面筋和竖筋组成的钢筋网，充填进路高度二分之一的掺碱化水稻秸秆的高配比全尾砂胶结充填材料作为下部打底充填，待下部充填体凝固后充填进路高度二分之一的低配比全尾砂胶结充填材料作为上部普通充填，所述碱化水稻秸秆长度6mm～15mm，掺量为固体物料质量的0.2‰～0.8‰，能够有效提高下部高配比全尾砂胶结充填体的抗压强度和抗拉强度，防止下部高配比全尾砂胶结充填体无法有效支撑上部低配比全尾砂胶结充填体而发生垮塌事故，从而保障采场作业人员及设备的安全。
Downward horizontal drift full-tailing cemented filling mining method for stoping ore body
一种回采矿体的下向水平进路全尾砂胶结充填采矿法
WANG SHI (author) / LIU WU (author) / ZHOU JIANHUA (author) / SONG XUEPENG (author) / WEI MEILIANG (author) / YU HAIGEN (author)
2022-04-29
Patent
Electronic Resource
Chinese
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