岩体中应力
- 网络stress in rock mass
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进而根据速度各向异性的图形、确定了岩体中应力的方向。
Thence , from the figure of the velocity anisotropy .
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高强度岩体中应力;
In - situ stress in higher strength rocks ;
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条形药包爆炸时岩体中应力波参数的计算分析
Computation analysis of the stress-wave parameter of rock mass during strip explosive charge blasting
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岩体中应力波传播与衰减规律研究现状与发展
Present state and progress of study on rules of stress wave propagation in rock mass
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高应力地区岩体中应力。
In-situ stress in high stress region .
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工作面支承压力分布对于煤岩体中应力集中和弹性变形能储存起着重要作用,因而会对冲击地压的发生产生重要影响。
Function relation about elasticity deformation and energy absorbed by plate in the course of shot-peening process is established in the paper .
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本文介绍了几个现场应力量测实例,并将其划分为三种类型:低强度岩体中应力;
Various typical results are introduced of in-situ stress measurements by overcoring tests during last two decades . The stress cases could be divided into three types : in-situ stress in lower strength rock ;
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岩体中爆炸应力波的试验研究
Experimental study of stress wave in rock mass induced by blasting
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非均质岩体中一维应力波演化过程分析
Analyses of Evolutionary Process of One Dimensional Stress-waves in Heterogeneous Rock Medium
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测量岩体中爆炸应力波参量时的长线效应
The long wire effect when measuring the blast stress wave parameters in rock mass
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炮孔深度(装药长度)是影响岩体中爆炸应力波特性的因素之一。
The hole depth ( charge length ) is one of the factors to influence the character of blast wave in rock .
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模拟了煤层开挖前后整个岩体中的应力、应变状况及塑性区变化规律;
The status of the stresses and strains , and the varieties of the plastic area are simulated in the whole rock mass .
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深部岩体中初始应力比较大,井下岩石爆破必然受到初始应力场的干涉,岩体处于初始应力和爆炸应力波的共同作用。
Because deep rock in the initial stress relatively is large , underground rock blasting will be subject to the initial stress field of intervention , an explosion of rock in the initial stress and stress waves together .
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在裂隙岩体中传播的应力波的衰减机理
Attenuation mechanism of stress wave propagating in crack rock mass
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层状岩体中压力钢管应力应变数值分析及分布规律
Numerical Analysis on Stress and Strain of Steel Penstock in Schistous Rock Mass
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膨胀岩体中的湿度应力场理论
Humidity Stress Field Theory in Swelling Rock Mass
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粘弹性岩体中的爆炸应力波
Blasting stress wave in the Kelvin Rock Body
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本文采用一种新方法测量软弱岩体中的初始应力和扰动应力场。
A new method is presented to measure the in-situ stresses and disturbed stress field .
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可压缩粘弹性岩体中圆形隧道应力及应变的解析
The analytic mathematics method of circular tunnel grounds located in elastic and viscous compressible rock masses
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据根试验结果探讨了岩体工程中的应力途径问题。
Based on the results of the study , the problems of the stress path in rock engineering are discussed .
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在坚硬顶板和底板的两硬条件下,对不同煤层厚度和硬度对煤岩体中的垂直应力分布的影响,也即反映了对煤岩体中发生冲击矿压危险性的影响进行了模拟。
Since the vertical stress distribution of coal and rock can reflect the risk of rock burst , the influence of hardness and thickness of coal seams with a hard roof and a hard floor on the vertical stress distribution of coal and rock was simulated .
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岩体开挖过程中初始应力的动态卸荷效应研究
Study on effects of dynamic unloading on initial stress during rock excavation
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计算结果表明:(1)在中高地应力区,岩体开挖过程中初始应力场的动态卸荷可能是引起岩体松动的重要因素之一;
The results show that the high dynamic unloading of initial stress during rock excavation may be an important factor inducing looseness of rock mass .
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为测量弹药爆炸及武器侵彻等强冲击荷载下岩体及混凝土结构中应力,研制了箔式镱应力传感器。
In order to measure the stress in the rock and concrete structure under impulsive load during blast of ammunition or penetration of projectile , a ytterbium foil stress sensor was developed .
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因此,根据岩体结构、岩性及地应力对岩体中应力传播、岩体变形及破坏所具有的力学效应特点,可将岩体分为块裂介质、碎裂介质及连续介质等三种力学介质。
According to the mechanical effects of the above-mentioned factors to the stress propagation , deformation and failure of the rock mass , the rock mass may be classified into three types of mechanical media , i.e. the faulted , jointed and continuous media .
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介绍了河谷地应力研究现状,利用弹性理论和变分原理,研究了V型河谷岩体地应力问题,得到了河谷岩体中由于自重应力和构造应力引起的复杂应力场。
By using e of the theory of elasticity and variation method , the problem of ground stress field in V-shaped river valleys is studied .