Based on the test results from several anchoring projects, the deformation and strength character of the rock model of cracked structure reinforced by the bolt is studied.
根据多种锚固方案试件的试验结果,研究了锚杆锚固碎裂结构岩体模型的强度变形特征。
In the paper, experiments in testing blast strain waves, generated from the explosion of some small cylindrical charge, were carried out in rock model using the ultra-dynamic strain testing system.
本文采用超动态应变测试系统,实测了小药量条形药包在岩石模型中爆炸产生的应变波,对测试到的耦合装药加载条件下介质中区产生的轴向和切向爆炸应变波信号进行了分析。
The result was her own personal "cancer posse": a rock concert tour manager, a model, a fashion magazine editor, a cartoonist and MTV celebrity, to name a few.
结果她组成了自己的“癌症反击队”:一名摇滚音乐会巡演经理、一名模特、一位时尚杂志编辑、一位漫画家和MTV名人等等。
The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.
几年来,坐落于小石城,占地两英亩的邓巴社区菜园树立了一个标杆。
Rock of ancient architecture in the traditional way to break through the symmetrical layout and model, and the environment to achieve a high degree of style harmony.
南岩的古建筑,在手法上打破了传统的完全对称的布局和模式,使其与环境风貌达到了高度的和谐统一。
The relation between AE characteristics during rock failure and machine stiffness is analysed under uniaxial compression with the above model.
依据这一模型,分析了单轴压缩时岩石破坏阶段声发射特性与压机刚度的关系。
The computed rock compressive strength with the established regression model can support exact compressive strength for the establishing of sand prediction model for oil well.
利用该回归模型进行抗压强度的计算,可以为建立油井出砂的理论预测模式提供较为准确的岩石抗压强度数据。
This paper derives the integrated constitutive relation at the singular point theoretically by using Hyushin's postulate in the the strain space, and gives an example applicable to the rock cap model.
本文概述了如何利用应变空间表述的伊留辛公设在理论上导出奇异点上的完整的本构关系,并且还给出应用于岩石帽盖模型的一个例子。
This paper analyses the filtering characteristic of rock by ultrasonic experiment results and demonstrates that the new model can be used to describe seismic wave motion.
文中通过超声实验分析了岩石的滤波特性,论证了新的模型用于描述地震波的传播是可行的。
The results of fracture prediction would be affected by geologic model, geometric framework model, rock mechanics properties and regional stress background.
裂缝预测结果受地质模型、几何框架模型、岩石的力学性质和区域背景应力的影响。
According to design good model in advance, with rock set the shape, then the color with cement or cement, or other adhesive bonding forming.
依据事前设计好的模型,用山石摆好形状,然后再用水泥或水泥兑色,或别的粘合剂粘接成形。
Observing the core with under microscope, the authors find the breccia as a kind of hydra-fracturing clastic rock forming the model of roklyfluidal dynamical.
岩芯及透射光显微镜观察发现,这是一种水力破裂体系中流体和岩石作用的产物—水压碎屑岩。
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构,采用围岩-结构模式,进行了模拟施工动态的受力影响计算分析。
The probabilistic model of rock and soil mechanics parameters affects the results and precision of reliability analysis and design.
岩土力学参数的概率分布类型直接影响岩土工程可靠性分析的计算结果和精度。
The principle of preferred plane analysis is a new research view and model for rock slope engineering geology.
优势面分析原理是边坡工程地质问题的一种新的研究观点和模式。
The similar material model test is one of the rock mechanics basic research approaches.
相似材料模型试验是岩石力学的基本研究方法之一。
The second kind of model is complete coupling one and this model includes the coupling temperature field equation, fluid coupling seepage model equation, rock coupling deformation equation.
第二类模型为完全耦合模型,包括耦合温度场方程、流体耦合渗流方程和岩石耦合变形方程。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
定义了用等效剪切刚度表示的损伤变量,建立了一个分三阶段表述的岩石动态剪切损伤本构模型。
An indoor model test is carried out on rock mass of cracked structure reinforced by the bolt.
针对锚杆加固后的碎裂结构岩体进行了室内模型试验。
And rock mechanical parameters are essential to the wellbore stability evaluation, so developing the model of rock mechanical parameters evaluation while drilling becomes core of the work.
岩石力学参数是随钻井眼稳定性评价的基础参数,所以,建立岩石力学参数随钻评价模型,成为此项工作的核心。
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。
Based on the theory of quasi-static explosion gas dilation and the principle of rock fracture mechanics, Brittle rock fracture model is developed for notch blast with non-coupled charge explosion.
基于准静态爆生气体膨胀和岩石断裂力学理论,建立了不耦合装药刻槽爆破时的脆性断裂爆破模型。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上,建立新的岩石爆破损伤模型。
The concept model of rock disturbance status is studied.
对岩石的扰动状态概念模型进行了具体的研究。
A no tension rock beam model has been presented according to the mechanical behaviors of cracked roof beam in this paper.
本文根据不连续岩石梁的物理力学特性提出了无拉力岩石梁的力学解析模型。
Based on random distribution of interior defect in rock, a statistical damage constitutive model for rock is developed by using the continuous strength theory and statistical theory.
结合连续强度理论和统计理论,从岩石内部缺陷分布的随机性出发,建立了岩石统计损伤本构模型。
Based on the rock conductivity model and with reference to calibration circuit in the dual laterolog tool, designed is calibration circuits in the complex resistivity logging tool.
在岩石导电模型的基础上,参考双侧向仪器刻度电路原理,设计出适用于复电阻率测井仪器的刻度电路,并给出用电路参数模拟不同地层的方法。
The applications of the composed rock beam model in ground control, surface subsidence control and gas prevention in coalmine are studied deeply.
对组合岩梁模型在岩层移动规律研究、地表沉陷控制以及在矿井瓦斯防治中的应用进行了深入地分析。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上,建立了新的岩石爆破损伤模型。
The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting.
探索岩石动态损伤参量及其演化表征方式以构造岩石爆破损伤模型。
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