丁香婷婷,三年片观看免费观看大全古装剧,少妇被躁爽到高潮无码,97电影天堂

下載手機汽配人

超前小導管注漿止漿方法有哪些?

問 提問者：網友 2018-08-11
最佳回答
Abstract: Staggered by the length of small pipe leading drilling and grouting support technology, Lion-shaped tunnel Ⅱ rock preinstalled reinforcement, through small pipe hole to loose rock into the cement to the Rock Fracture filling and broken rock glue to form a whole and thus enhance the coherence and rock solid. Thesis describes a small catheter injection process, drilling and grouting equipment, Grouting parameter selection and practical engineering applications. Through the tunnel deformation monitoring and analysis of grouting has achieved very good results. Keywords:Small tube; Tunnel; Surrounding rock reinforcement; Pre-grouting 0Overview With the development of the motorway and railway, an increasing number of tunneling in unstable formations, often with advanced support of the ground pre-reinforcement. Advanced support is generally have the following forms: Advanced large pipe, advanced pre-grouting (comprehensive pre-grouting), ahead of bolt and advance canal, etc.; These consolidation measures,
回答者：網友
產品精選
搜索問答
還沒有汽配人賬號？立即注冊

我要提問

汽配限時折扣

本頁是網友提供的關于“超前小導管注漿止漿方法有哪些?”的解答，僅供您參考，汽配人網不保證該解答的準確性。
主站蜘蛛池模板： 四子王旗| 油尖旺区| 南宁市| 荃湾区| 论坛| 吉林市| 莱西市| 上犹县| 凤山县| 丽水市| 舒城县| 邓州市| 遂平县| 剑阁县| 拜城县| 阿勒泰市| 南宫市| 安义县| 汤原县| 五原县| 鸡泽县| 青川县| 句容市| 库伦旗| 博野县| 青铜峡市| 芜湖县| 丘北县| 绵竹市| 寿光市| 涿州市| 青铜峡市| 龙海市| 越西县| 泰州市| 大庆市| 武汉市| 包头市| 治县。| 禹城市| 侯马市|