摘要
本文叙述了喷锚支护原理及作用,质量控制重点包括原材料、配合比、水灰比、速凝剂掺量、及时性施工工艺和支护措施等方面。
In this paper,the principle,the effect and the key point for quality control of the shotcrete plus rock bolt support are described.In the key point above for quality control,the following are included:raw materials,proportion of mixture,water- cement ratio,amount of accelerator,the other things,such as the stipulation that the support works must be done well within the allowable delay time,the regulation that the thickness of the shotcrete and the length of the rock bolt should conform to what is required in design are also included.
出处
《山西水利科技》
2003年第2期79-80,共2页
Shanxi Hydrotechnics
