查询词典 surrounding rock

This paper , pertaining to a certain project situated in karstic region where geologic formation is highly developed with features of calciferous cave faults abundant, in corporation with on site measurement and anti-analysis results, sets up a geo-mechanics model for various rock formations, and by way of 3D non-linear large deformation values modelling computation, numeric simulated study was taken for different shotcreted anchoring supports upon which one has studied surrounding rock control technique under unfavourable geologic conditions.

提要：本文针对某工程处于岩溶地区，地质构造发育，溶洞断层较多的地质特点，结合现场量测和反分析结果，建立不同岩体结构的地质力学模型，通过三维非线性大变形数值模拟计算，对不同的锚喷支护过程进行了数值模拟研究，在此基础上，研究了不良地质条件下的围岩控制技术。

According to the unstable condition of the displaceable block and the breakage term of the stratified rock, this paper analyzed the stability of surrounding rock during the excavating process in different geological structures.

长江科学院监理公司，湖北武汉430030中文摘要：结合工程实例，基于块体的失稳条件和层状岩体的破坏条件，分析不同地质构造形态岩层下，隧洞开挖过程中围岩的稳定性。

The paper presents the blasting of the surrounding rock of an underground project,and the acoustic measurement is carried out to research the cumulative damage effect of rock mass which is caused by blasting many a time.

文章基于在某地下工程围岩中多次爆破作用下岩体累积损伤效应的声波测试，对声波测试信号中的波形、振幅及波形相关性等信息随爆破次数增加的变化规律进行了分析。

Both theory and practice indicate that the stability of rock can be achieved through fully exerting the mutual action between the bolt with wire mesh and the surrounding rock.

理论和实践表明，深部全煤巷道通过强化支护和适度让压，充分发挥锚网－围岩整体力学效应，可以达到巷道稳定的目的。

Because of complex tectonic boundary condition and high stress environment in deep rock mass,surrounding rock has intrinsic characteristics,which will damage caused by stress redistribution in excavation of deep-buried tunnel .

随着细观损伤岩体力学的发展，采用损伤观点解决深埋隧道围岩破坏问题逐渐显示出其优越性，但目前仅在均质性假设的基础上对应力状态和破坏判据进行研究，缺乏对其破坏全过程的相关研究。

2The rock mass quality was assessed based on the data obtained from exploration adits with the methods of engineering geological classification for surrounding rock mass, BQ, RMR and Q-system successively. And then the correlations between the assessment results of different methods were discussed.

基于勘探平硐获取的资料，运用&围岩工程地质分类法&、BQ法、RMR法和Q系统法进行了地下厂区岩体质量评价；讨论了四种不同方法评价结果之间的相关性。

The rock mass quality was assessed based on the data obtained from exploration adits with the methods of engineering geological classification for surrounding rock mass, BQ, RMR and Q-system successively.

基于勘探平硐获取的资料，运用&围岩工程地质分类法&、BQ法、RMR法和Q系统法进行了地下厂区岩体质量评价；讨论了四种不同方法评价结果之间的相关性。

Based on the testing analysis of microcosmic digital image, there are smaller Fissions, higher density and even distribution under high confining pressure than under low one. Microcosmic damage mechanics of rock cracking under high confining pressure and hydraulic pressure is given. Reliable testing basis is offered to analyze further failure and stability of the noncircular cave surrounding rock under high confining pressure and high hydraulic pressure.

通过微观数字图像试验分析发现，高围压条件下大理岩断口裂纹长度小、密度大、分布相对均匀，给出高水压高围压作用下岩石破裂产生的微观损伤力学机理，为进一步分析高围压高内外水压条件下非圆形洞室围岩失稳破坏机理提供了可靠的试验依据。

In order to demonstrate the design scheme of the air-cushion surge tank for a hydroelectric project,the hydraulic fracturing technology is adopted to define the in-situ stress and related rock mechanical parameters of rock mass surrounding the high pressure cavern.

：为论证某水电工程高压洞室的方案设计，采用水压致裂技术对高压洞室的原地应力及相关岩体力学参数进行细致的测试。

A software for aided designing bolt of tunnel named ANSYSBOLT was designed on the basis of ANSYS finite element software. In the software environment, bolt supporting model of physical tunnel in tectonic stress field was structured according to physical parameters of coal and rock seam of some working face, and in conditions of different buried depth, bolt supporting structure and pre-tightening force, distributions of stress of surrounding rock of physical tunnel and its displacement were analyzed and calculated by ANSYSBOLT software. Then influence of different buried depth, bolt supporting structure and pre-tightening force on stability of roof and floor of tunnel was analyzed and finally feasible scheme of bolt supporting was gotten according to the analysis result.

在ANSYS大型有限元软件基础上开发了巷道锚杆辅助设计软件ANSYSBOLT；在该软件环境下，根据某工作面煤岩层的物理参数，建立了构造应力场条件下的实体巷道锚杆支护模型，并按照不同的埋藏深度、锚杆支护结构和预紧力条件，经软件分析计算，得出了实体巷道围岩应力及位移分布情况，进而分析了不同埋藏深度、锚杆支护和预紧力条件对巷道顶底板稳定性的影响，最终根据分析结果得出了可行的锚杆支护方案。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。