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1·The main problems of the earth and rock excavation is discussed and the writer's opinions put forward.

探讨了土石方开挖的主要技术问题，并提出作者的见解。

2·The observation result of vibration is rational either in middle shallow blasting or in rock excavation near the dam.

不论是中部浅孔爆破，还是大坝近区岩体开挖，其振动观测结果总体合理。

3·The plinth foundation excavation work was divided by two stages the first one was ordinary excavation, the second one was rock excavation.

趾板基础开挖分两期进行，一期为一般开挖，二期为岩石开挖。

4·Combining Longshou Waterpower Station Project the mechanism of rock excavation explosion and production test method are studied more completely.

本文结合龙首水电站工程，较全面地研究了岩石开挖爆破的机理及生产试验的方法。

5·The process of the dynamic unloading of the initial stress can be employed to explain the mechanism of the loosing of jointed rock mass during rock excavation by blasting.

岩体初始应力场的动态卸载过程能较好解释节理岩体开挖过程的松动机理。

6·The earth and rock excavation of the plant area of the 3rd heavy water reactor project of Qinshan nuclear power plant was of two hill-bodies linked up with Qinshan hill and Huaxiang Co.

秦山三期重水堆工程厂区土石方开挖为两座与秦山相连的山体，华湘公司承担该项工程任务。

7·The blasting parameter calculation of the technology is analyzed with the discussion on the rock excavation of the first foundation in next floodgate of Bailongtan hydroelectric power station.

结合百龙滩水电站下闸首基础石方开挖工程，详细介绍了该技术的爆破参数计算。

8·A mathematical theory of fuzzy probability measure has been used for solving the problems of rock mass displacements and deformations due to excavation, especially in the. mining of metallic ore.

本文将模糊数学中的模糊概率测度理论用于研究地下开挖尤其是地下金属矿开采而导致的岩体移动和变形问题。

9·Random wedge failure is one of the common failure types of rock slope excavation.

随机楔体的破坏是岩石开挖边坡中常见的破坏类型之一。

10·Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.

由于场区地应力比较高，在开挖期间出现了局部围岩的大变形及岩爆、喷混凝土层剥落等不良现象。