综放全煤沿空掘巷护巷特点与锚杆支护实践

Roadway Protecting Characteristics and Bolting Supporting Practice of Driving Whole Coal Roadway along Gob in Full-mechanized Caving Mining

三河尖矿东四采区是采用留窄煤柱沿空掘巷技术开采的综采放顶煤生产采区,其回采巷道沿煤层底板布置。介绍了这种典型的全煤巷道在沿空掘巷时实施锚杆支护的实践,并对巷道维护的影响因素和支护效果进行了分析。