土层预应力锚杆注浆与张拉施工技术  

The Grouting and pulling contraption technology and pulling of prestressed anchor in soil

作　　者：朱正武 李红超 

机构地区：[1]河南省岩土工程公司,河南洛阳471023

出　　处：《中国地质灾害与防治学报》2000年第1期38-40,共3页The Chinese Journal of Geological Hazard and Control

摘　　要：笔者根据多年的工程实践经验 ,本文着重探讨了在软土地层中通过控制钻进介质、注浆量、注浆压力来保证和提高锚杆的承载力 ,以及锚杆预应力的施加 ,锁定。On the basis of constraction practice for years, the authors introduce how to assure and improve bearing capacity of prestessed anchor bar in soil by controlling drilling medium, grouting capacity and pressure, On the other hand, the authors introduce contraction techonolgy of exerting pressure, locking anchor bar and monitor.

关 键 词：土体极限抗剪强度 压力注浆 二次劈裂注浆 补偿张拉 

分 类 号：TV44[水利工程—水工结构工程]