Water leakage from the reservoirs mainly follows the passage, which is formed by connection of the fracture structure outward extending with the strongly weathered zone.
库水外渗主要沿通往库外的断裂构造与强风化带连通形成的渗漏通道渗漏。
The surrounding rock of the entry in strongly weathered zone has more fissures which lower the rock strength, and the maximum roadway dimension will be limited consequently.
强风化带中的回采巷道，围岩裂隙增多、强度降低，巷道的最大尺寸将受到限制。
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