Abstract:

Abstract: Combining the actual geological conditions and mining status in Weijiamao Open-pit Mine, the author calculated groundwater inflow, displacement, and designed floodway section size, floodway section parameters, floodway turning radius, floodway profile and floodway position, finally completed the floodway arrangement, which had important significance for mining and economic benefit in Weijiamao Open-pit Mine second mining area.

摘要：

摘　要：结合魏家峁露天煤矿实际地质条件及开采现状，计算了地下水涌水量、排水量，设计了排洪渠断面尺寸、排洪渠断面参数、排洪渠转弯半径、排洪渠断面图、排洪渠位置，最终完成了排洪渠的布置。对魏家峁露天煤矿二采区开采以及整个矿区的经济效益都有重要意义。