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- This paper summarizes the grouting technologies and construction techniques used for high grout-consuming strata, big-leakage passage, strata with high-pressure water, and karst strata. 对大吸浆量地层、特大漏水通道、正在冒水的堵水、承压水条件下、岩溶地段等特殊地层的灌浆方法和施工工艺进行了总结。
- Tunnel excavation by blasting can be directly influenced by karst cavities when tunnelling through the karst strata with blasting method,which brings a lot of damages such as landslide and casualties. 在岩溶地区采用钻爆法进行隧道开挖施工;溶洞的存在对隧道爆破开挖安全有直接影响;严重者会造成塌方、伤亡等重大事故.
- The Effective Leaking Stoppage for Great Crack in Karst Stratum 大溶隙岩溶地层的有效钻孔堵漏方法
- Technical Measures for Constructing Large diameter Pie Foundation in Karst Stratum of Hukou Bridge 湖口大桥岩溶地层大口径桩基施工的技术措施
- Experimental Research on Reverse Circulation Drilling with Through-type DTH Hammer for Water Well Drilling in Karst Strata 贯通式潜孔锤在岩溶地层反循环水文水井钻进试验研究
- karst strata 岩溶地层
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- They represent each society stratum. 他们代表各个社会阶层。
- karst stratum foundation 岩溶地基
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- This is a rare type of karst topography. 是非常罕见的喀斯特地貌景观。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- karst stratum 岩溶地层
- Ganoderma lucidum(Leyss.ex Fr.)Karst. 灵芝
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- A typical phenomenon of karst topography. 是典型的峰林现象。
- The forth route is for the karst landscape. 四是喀斯特景观游。
- There are karst caves in Guilin. 桂林有溶洞。
- To expose(rock strata)by erosion. 剥蚀因腐蚀而露出(石层)