Pre-Stressed Anchor Super-Grouting Control Technique in Lianghekou Hydropower Station
详细信息
- 责任者：Huang Hui (Yalong River Hydropower Development Company Ltd. ; Yajiang 627450 ; China) ; Shi Zhaoyun
- 刊名：Exploration Engineering
- 出版年：2013
- 卷期：40(3)
- 关键词：预应力锚固 ; prestressing anchorage ; 灌浆 ; grouting
- 页码：p.75-77
- 图表：illus., 5 refs.
- 分类号：1702
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
The local geological conditions are strong weathered,strong unloading anti-dip thin layer-middle-thick layer sand slate with joints and fractures developing,broken surrounding rocks,open fissures and serious loose unloading in road slope excavation at Lianghekou hydropower station.The frame beams and non-cohesive steel strand dispersion-type pre-stressed anchorage cable were designed to reinforce the side slope.The paper describes the super grouting control technique for pre-stressed anchor grouting in poor geological conditions.
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