结果表明,声发射与载荷变化或岩体变形破裂密切相关。
The results show that the characteristic of acoustic emission is closely related to the load variation or the deformation fracture of rock.
煤岩体所受的应力越高、变形破裂越强烈,电磁辐射信号越强;
The higher the stress in the coal is, the stronger the deformation and the failure are, and the stronger the signal of the EME is.
鲍店煤矿主副井筒变形破裂,严重威胁矿井安全,经济损失巨大。
The main and auxiliary shafts in Baodian Coal mine are deformed and ruptured, threatening seriously on the mine safety and causing heavy economic losses.
目的是确定隧道围岩变形破裂的活动性,保证上方近距离高层大楼的安全使用。
The purpose of this paper is to determine the activities of rock deformation and failure around a tunnel, and to guaed the safety of a high building over the tunnel.
通过室内试验,研究同一矿区煤在不同加载速率下的变形破裂过程的电荷感应规律。
The law of charge induction of coal in the same mine during the coal deformation and fracture process is studied under different loading rates in laboratory.
实验研究了含瓦斯煤体变形破裂时产生的电磁辐射现象,并考察了电磁辐射与声发射的关系。
Electromagnetic emission (EME) phenomena during the deforming and fracturing of coal body containing gas is experimentally studied, and the relation between EME and acoustic emission (AE) considered.
在岩石试件卸荷试验的基础上,结合大型开挖工程,研究了岩体在卸荷状态下的变形破裂特征。
On the basis of unloading tests of rock sample, the deformation and fracture features of unloaded rock mass are studied in conjunction with fracture systems of some large excavation project.
研究结果表明,采用神经网络可以有效预测电磁辐射和声发射信号,为判定煤岩变形破裂状态提供依据。
The results show that ANN can be used to effectively predict the electromagnetic radiation and acoustic emission signals so as to provide reliable data for judging the state of coal and rock failure.
研究顶板-煤体-底板所构成的组合煤岩体试样变形破裂规律及冲击倾向性对于预测冲击矿压具有非常重要的实践意义。
It is necessary to research into the burst failure and rock burst tendency of combined sample which is made up of roof, coal and floor.
容器和设备的特性应设计成不会发生破裂,但允许存在永久性的变形。
Property of vessels and equipment designed to without rupturing, but allowing permanent deformation.
岩石变形、破裂和磨擦、介质极化生电可能是大地电场前兆机理之一。
The deformation, rupture and friction and media polarization are one of the reasons of the telluric precursor.
废弃采空区破裂岩体变形是导致地表沉陷的主要原因。
The deformation of ruptured rock mass is the mostly causation of ground subsidence over goaf.
震区的地表地震变形主要表现为地震破裂、滑坡和地震断层三种形式。
The Surficial deformation caused by the earthquake is mainly expressed as earthquake fractures, landslides and earthquake faulting.
基于岩石试件的卸荷试验,研究卸荷条件下岩石的变形、参数及破裂特征。
Based on unloading tests of rock samples, the deformation, parameters and fracture features of rocks under unloading are studied.
由此可见,韧性剪切带在同一构造层次情况下,可在变形较强的部位产生剪破裂;
Therefore, ductile shear zones can lead to shear fracture at the same structural level where ductile deformation develops.
晚期为脆性破裂构造,与早期变形组构具继承、叠加关系。
In the late period, brittle rupture structures inherited and were superimposed on the early deformation fabrics.
伽师强震群的破裂断层面为北东向,与震源深度梯度变化带、地壳接触变形梯度变化带、等烈度线以及地震扩展方向吻合;
The rupture surface is to NNE, similar to gradient belt of focal depth, gradient belt of crustal deformation, isoseisms and extended direction of earthquakes.
断裂的发生、运动与变形涉及岩石破裂准则与内部边界处理。
The criterion of rock failure and inner boundary condition need to be considered carefully while processing the fault growth, movement and deformation.
岩石组成和构造应力的大小、方向决定着岩石的变形过程,同时岩石的破裂还受先存断裂构造的影响。
And the composition of rock and the size and the direction of tectonic stress determine the deformation of rock, while its breakdown is controlled by the pre-existed fault.
采用环向约束试验方法研究破裂岩体的承载和变形特性。
The carrying capacity and deformation characteristics of cracked rock mass were investigated by hoop constraint tests.
收集和归纳了活动断层周期性破裂(高速)变形的宏观和微观证据。
The macroscopic and microscopic evidences of periodical stick slip deformation in an active fault were collected and analyzed.
分析并数值模拟了受扰保守单摆系统中kam环面的变形、扭曲、破裂及混沌出现的过程。
The appearing process of the deformation, distortion, split and chaos of KAM ring surface in the conservative pendulum system is studied and simulated numerically.
围岩处于破裂状态时,巷道收敛主要是由处于残余强度状态的破裂区围岩的碎胀变形引起的。
When the rocks are fractured, roadway convergence is mainly due to expansion deformation of the surrounding rock within the fractured zone in a residual-strength state.
结果表明,孔隙水压力对岩石变形、破裂过程及其破坏模式有很大影响。
It is shown that the pore hydraulic pressure has an important influence on the deformation, failure process and failure mode of the rock sample.
根据破裂模型和拉深变形力,导出了破裂极限预报与控制判据。
On the basis of the fracture model and the deep drawing deformation force. The fracture limit prediction and control criterion is calculated.
在实验变形条件下,煤岩主体的变形表现以破裂与微破裂作用为主。
Under experimental deformation conditions, crack and microcrack are the primary characteristics of the deformation of the coal and rock performance.
在实验变形条件下,煤岩主体的变形表现以破裂与微破裂作用为主。
Under experimental deformation conditions, crack and microcrack are the primary characteristics of the deformation of the coal and rock performance.
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