The bore sequence of every working face is random to the multi joint rock drilling manipulator, so the bore task planning is very complicated.
多关节凿岩机械手在工作时,完成的是一个在一定工作面上随机的钻孔孔序任务,其孔序规划相当复杂。
It's known that the discrete element method well considers the discontinuity character of rock mass, and can be used to analyze the joint rock mass.
而离散元法正是充分考虑到岩体结构的不连续性,适用于解决节理岩石力学问题。
Moreover some random factors of orientation and friction Angle of structural surface are considered during the stability analysis of joint rock mass.
在节理岩体的稳定性分析中,考虑了各组结构面产状和摩擦角的随机性。
Based on the theory of displacement back analysis and the theory of geometrical damage, identification of damage parameters in joint rock mass is studied in this paper.
基于位移反分析理论及几何损伤理论,对巷道裂隙岩体的损伤参数进行了辨识。
In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.
对包含中等尺寸的成组分布裂隙的岩体,采用岩体几何损伤本构模型,用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。
Joint profiles of natural rock can be considered as fractal curves.
自然岩石节理表面轮廓线可以看作为分形曲线。
The shearing induced plastic behaviour of a joint has certain impact on the mechanical response of the joint and on the jointed rock mass.
特别是剪切引起的节理面塑性性能对节理乃至整个岩体的力学反应都会有一定的影响。
Rock mass is the synthesis of an intact rock and it's joint.
岩体是由完整岩石和节理共同组成的综合体。
Marmatite is the guide mineral of the second ore type which appears in bedded, veined and irregular ore bodies near contact zone of magmatic rock or joint positions between faults and ore beds.
另一种以铁闪锌矿为标志,矿体呈似层状、脉状及不规则状等,靠近岩体接触带或断裂与赋矿层的交汇部位产出,代表了成矿第二世代。
The strength of the joint affects the ultimate bearing capacity of jointed rock foundations greatly unless the obliquity is too small or too large.
节理强度对岩石地基的极限承载力影响很大,但当节理倾角比较小或比较大时,节理的强度对计算结果的影响并不显著。
In this paper, a description is made on the simulation technology of joint network in rock mechanics. Analyses have shown its vast vistas in engineering application.
本文对岩石力学中的节理网络模拟技术进行了叙述。工程应用表明:该技术具有广阔的前景。
Many random factors were taken into account when calculating the block reliability, such as angles of joint face, binding force, friction coefficient, the rock density, etc.
在分析块体的可靠度时考虑了结构面的产状、粘结系数、摩擦系数、岩体的容重等多个随机因素。
Its application in stability analysis of an excavated rock slope has shown that the joint network technique of rock mechanics possesses a wide prospect.
对于深挖形成高陡边坡稳定分析的应用,表明岩石力学网络模拟技术具有广阔的前景。
In this paper, a description is made on the simulation technology of joint network in rock mechanics.
本文对岩石力学中的节理网络模拟技术进行了叙述。
This paper discusses the definition of joint support and smooth blasting parameters and the management of wall rock and support structure deformations.
对联合支护的参数、光面爆破的参数确定,围岩和支护结构变形的管理进行了探讨。
Evolution of rock joints into transfixion is described by the time series from strain-stress curves, and the state of joint system in sandstone is chaotic before its ultimate state.
形成岩石全应力应变曲线的时间序列反映了岩石内部节理裂隙趋向贯通的演化进程,砂岩节理裂隙系统在峰前阶段处于不同程度的混沌状态。
Natural rock joint surface profiles belong to fractal category.
自然岩石节理表面轮廓线可以看作为分形曲线。
The boulder, rock wall. bottom toe always appear in limestone mine mid deep bench blasting because of bedding, fault, joint and cave.
石灰石矿岩层较多,断层、节理裂隙和溶洞发育,爆破容易产生大块、岩墙和根底。
The ideal rock sample is the conical surface rock sample that can joint crest of teeth in single row drilling experiment.
在单齿圈破岩试验中,理想的岩样是与牙齿齿顶线相贴合的锥面岩样。
The factors influencing the permeability characteristic and REV size of rock masses such as trace length, space, aperture, inclination and the number of joint sets are discussed.
随后讨论节理迹长、间距、开度、产状和组数等结构面几何特征对岩体渗透特性及表征单元体积的影响。
Joints are crucial factors in rock masses engineering, so using stress waves to invert joint attitude is a valuable practice.
节理对岩体工程有重要的影响,采用应力波反演节理产状有重要的工程意义。
The article describes the regulation of the joint in the soft and hard interbedded rock, establishes a discrete joint network model of the interbedded rocks.
叙述软硬互层状岩体中的裂隙发育规律,并由此建立了互层状岩体渗流的离散裂隙网络模型。
For moderate JI, lower strength and the behavior of jointed rock specimen are mainly governed by joint.
当节理倾角适中时,节理岩样的峰值强度较低,岩样的行为受控于节理。
This paper also presents several rock damage model reflecting the softening and joint behaviour of rock masses in addition to the introduction of meso and statistical models.
文内除了列举几种反映岩体软化及节理裂隙性质的损伤模型外,还介绍了细观与统计损伤模型。
This model assumes the coplanar shear failure mechanism of the rock bridge, so it can be used under the circumstance that the length of rock bridges is far less than of the length of the joint.
非贯通节理岩体多层结构模型假定岩桥为共面剪切破坏,模型适用于岩体节理共面并且岩桥长度远小于节理长度的情形。
In this paper a seepage tensor for rock masses with three sets of joint is presented.
本文针对三组节理的岩体,推导了渗透张量的一般形式。
Based on the concept of equivalent stiffness of rock masses, the estimation of joint stiffness in distinct element model of stiff blocks is discussed.
以节理岩体等效刚度的概念为基础,讨论了离散元刚性块体模型中节理刚度的选取问题。
Also the relationship between equivalent elastic modulus of discontinuous rock mass and connection rate of joint is studied with their influencing relation presented.
同时,研究了节理连通率与岩体等效弹性模量之间的影响关系,给出了二者的影响关系式。
In this Paper the joint profile expression and fractal theory are reviewed, and the fractal theory is used to study the frictional Angle of the rock joint.
本文首先简要介绍节理形貌的描述方法和分形几何理论,然后将分形理论引人岩体节理摩擦角的研究中,得出了用分形维数表示摩擦角的经验公式。
The monitoring project of Zhouning Hydropower station underground plant and water intake system including monitoring of the surrounding rock deformation, bolt stress, osmotic pressure and joint.
周宁水电站地下厂房及引水系统的监测项目包括围岩变形监测、锚杆应力计监测、渗透压力监测、测缝计监测。
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