Bolting and shotcreting have used in Zhenchengdi mine for many years,the construction technique and experiences of bolting and shotcreting are introduced.

• 西山煤电集团公司镇城底矿多年来一直坚持推广使用锚喷支护,取得了成功的经验,现介绍采区准备巷道在煤层中锚喷支护的施工技术及经验体会。