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。
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。
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。
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。
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。
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。
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。
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。
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。
Bifurcated tunnel is one of the new type tunnels, the excavation way and support style are key factors to the rock stability.
分岔隧道是一种新型的隧道结构形式，其设计方案、开挖支护方法对围岩稳定性至关重要。
The deformation amount of weak rock, which is often encountered in excavation of underground caverns, directly affects the stability and safety of caverns.
软弱岩石在地下洞室开挖中会经常遇到，其变形量的大小，直接影响着洞室的稳定与安全。
The deformation and stability of soft rock slope under excavation and rainfall, as well as the effect of the supporting system on slope deformation are analyzed by physical modeling.
通过地质力学模型试验，研究软岩高边坡在开挖及降雨时坡体的稳定性及变形变化规律，分析支挡结构对边坡变形的影响机理。
Stress concentration caused by chamber's excavation engenders tensile and compressive stress to surrounding rock.
洞室开挖会使围岩周边产生应力集中，产生拉应力与压应力。
And according to the relation between rock occurrence of the underground chamber and geometrical boundary of excavation, the paper gave the method to positioning breakage.
并根据洞室围岩产状与开挖几何边界的关系，提出围岩易破坏点的位置确定方法。
The control of blasting vibration is an important problem for the rock blasting excavation adjacent to the structures and establishment.
爆破震动效应控制是邻近已有建筑物或重要设施设备的岩石基础钻爆开挖中的重要技术问题。
Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage, the design approach for excavation blasting near contour of rock slope is discussed.
基于岩石爆破损伤影响范围控制的质点峰值振动速度判据，就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
The interior failure mechanism of rock strata developing from large-scale excavation and the rules of land surface deformation are analyzed on the base of careful investigation.
在详细调查的基础上简要分析了地下大面积采空后岩土内部破坏机制和地面变形规律。
Rock burst is a kind of catastrophe during the excavation in underground projects. It is a process of energy release and rock block casting.
岩石冲击是地下工程开挖过程中的一种灾害，它在抛掷岩石过程中，表现出能量释放现象。
The analysis will raise the knowledge of rock mass deformation of high excavated slope and provide design basis of rock slope excavation for future works.
对升船机及临时船闸高边坡岩体的变形分析将提高人们对人工开挖高边坡岩体变形的认识，为以后工程的岩体边坡开挖设计提供依据。
The relationships among the deformation of surrounding rock masses, the class of surrounding rock masses, excavation method, time of support and parameters of the support are put forward.
分析和探讨了隧道围岩变形与围岩类别、开挖方法、支护时机及支护参数之间的关系；
Stabilization problem of rock slope during blasting excavation is an important problem to deal with.
岩质边坡在爆破开挖过程中的稳定问题是一个亟待解决的重要问题。
Analysis models of displacement prediction and stabilization forecast of surrounding rock of highway tunnel excavation are established.
建立了新的隧道工程开挖围岩位移预测和稳定性预报模型及其分析方法。
During the excavation of underground chamber in the soft rock, lining thickness are increased to keep the stability of surrounding rock.
在软弱岩体中进行地下洞室开挖时，通常采用加大衬砌厚度来维持围岩的稳定。
As underground structure, cavern excavation will influence the stability of surrounding rock.
作为地下结构，调压井洞室开挖会对围岩稳定造成影响。
Meanwhile, surge shaft is an underground structure because its body is buried by surrounding rock, and the excavation of cavern with big inner diameter will influence stability of surrounding rock.
同时调压井埋于地下，属地下结构，大内径洞室的开挖关系到围岩的稳定。
In this paper, the research on the influence of excavation sequence on surrounding rock stability in the world is reviewed and the concept of construction mechanics of cavern groups is presented.
本文总结了近几年来国内外有关开挖顺序对围岩稳定影响的研究成果，提出了洞室群施工力学的概念。
The theory about stress wave and its propagation is employed to analyze the effect of dynamic unloading during excavation of jointed rock mass slope under high geostress.
利用应力波理论分析高地应力条件下节理岩体边坡开挖过程中的动态卸荷效应，探讨卸荷松动后节理岩体渗透特性的变化规律。
The theory about stress wave and its propagation is employed to analyze the effect of dynamic unloading during excavation of jointed rock mass slope under high geostress.
利用应力波理论分析高地应力条件下节理岩体边坡开挖过程中的动态卸荷效应，探讨卸荷松动后节理岩体渗透特性的变化规律。
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