crustal stress

The measurement of the crustal stress at depth is a difficult problem in geological engineering projects.

深部地应力的测量一直是工程界难题之一.

Based on analysis of the DSI logging data of clastic sequence in well D-2 in the Junggar Basin, the stratigraphic anisotropy and maximum horizontal crustal stress in the well was evaluated.

对准噶尔盆地董2井碎屑岩地层的偶极横波成像（DSI）测井资料进行了处理分析，并利用处理结果对该井的地层各向异性和地层最大水平地应力进行了评价。

The boundary constraint and force loading boundary condition for the model are determined according to the characteristics of crustal stress field deduced from earthquake focal mechanism and in situ stress measurement data.

结合震源机制解与原地应力测量资料，分析区域现代地应力场特征，确定了研究区的边界约束和动力边界条件。

Horizontal principal stress in the upper crust of China is due to the weight of the overburden rock beds themselves, the crustal temperature field as well as the compression of the plates.

地壳上部的水平主应力是上覆岩层自重、地壳温度场和板块挤压三种作用的结果。

The seismic precursory anomaly of crustal deformation and underground water level are non-cyclic changes resulted from the mutual action of the tectonic stress of earthquake preparation and fluid force produced by rain, underground water.

地壳形变与地下水位前兆异常是在地震孕育构造应力和降雨、地下水引起的流体力共同作用下产生的非周期性变化。

It gives the scientific voice way of horizontal crustal stress by gravity.

给出了重力所致水平地应力的科学表达方式.

Study of Initial Crustal Stress Field in the Tail Water Bifurcated Pipe Area of Liyang Pumped-storage Hydropower Plant

溧阳抽水蓄能电站尾水岔管区域初始地应力场研究受控条件下无压尾水洞引风技术探讨

Variety characteristics of the crustal stress field near the Brahmaputra fault zone

雅鲁藏布江断裂带附近地应力场的变化特征

A systematic exposition of the study situation of the crustal stress is made.

对油气地质研究中地应力的研究现状作了系统的阐述.

The crustal stress analysis indicated the dead weight stress is affects the tunnel the primary factor.

地应力分析表明自重应力是影响巷道的主要因素.

Present Tectogenesis and Characteristics of Crustal Stress Field in Datong Basin

大同盆地现今构造活动及地壳应力场特征

Prediction of earthquakes using tidal information in the gravitational earth tide observation is in view of that there existed a regional stress field in a relatively large range in the focal region and its seismogenic area prior to large earthquakes, accompanying changes of strain and crustal elastic deformation.

利用重力固体潮观测中的潮汐信息预报地震是鉴于大震前在震源区及其孕震区存在着较大范围的区域应力场，伴随着应变与地壳弹性变化。

Using a combined Rheological model, this paper presents a solution to the time-effect deformation around unlined underground opening under two-dimensional crustal stress field in visco-elastic foundation.

本文介绍应用组合流变模型，研究在粘性弹性地层中二维地压力作用下，毛挖地下洞室周壁变形随时间变化的解答。