Under the special geological conditions such as fractured coal-rock body and drenching water,the demand to bolting support is more strict.Various situations of bolting support are discussed.
英
美
- 在破碎煤岩体内和有淋头水段等特殊地质条件下掘进巷道时,对锚杆支护技术有了更加严格的要求。针对不同情况,对锚杆支护技术进行了进一步的探讨。