------------- ------------- U D C 中华人民共和国国家标准 P GB 50086-2011 岩土锚固与喷射混凝土支护工程技术规范 Technical code for engineering of grou nd anchoring and shotcrete su pport 规范修编组 2011-07 GB ------------- ------------- 1 总则 ...................................................................................................................................................... 6 2 术语、符号 .......................................................................................................................................... 7 2 .1 术 语.............................................................................................................................................. 7 2 .2 符 号 .......................................................................................................................................... 1 0 3 工程勘察与调查 ................................................................................................................................ 1 4 3 .1 一般规定 ..................................................................................................................................... 1 4 3 .2 环境地质调查 ............................................................................................................................. 1 4 3 .3 工程勘察 ..................................................................................................................................... 1 5 4 预应力锚杆 ........................................................................................................................................ 1 7 4 .1 一般规定 ..................................................................................................................................... 1 7 4 .2 锚杆类型与构造 ......................................................................................................................... 1 7...
