五次构造运动的最大主压应力均呈近水平方向。
The maximum principal axes of the compressive stress in the five tectonic movements are nearly horizontal.
指出，该区构造应力场的主压应力方向为近南北向。
It is pointed out that the principal compressive stress direction of tectonic stress field in the area is nearly s - n.
这取决于不同主压应力所对应开启的不同的孪生及滑移系统。
RD is reduction in diameter. The variation of textures is ascribed to the activation of the different slips and twins which are affected by different effective compressive force.
该带现今以水平、近于水平兼有一定斜向作用的主压应力为主。
Recent tectonic stress field is entirely dominated by the principal compressive stress with the components, whose orientation is in level, approximate level or sideling direction.
一个地区的主压应力方向在地下几十米至4000米大体是一致的。
The direction of the major principal stress in a region remains the same from tens of meters to 4000 meters below surface.
提出在同一地震构造带上，小震断层面解的主压应力方向具有一致性。
It is suggested that on the same seismotectonic zone, the directions of principal compressional stress of fault plane solution of small earthquakes are consistent.
依据最大、最小主压应力大小和方向，为油田注采开发等提供合理化方案。
Reasonable program for field pumping and rejecting development is put forward according to magnitudes and orientations of the maximum and minimum principal stresses.
结果表明：断层对最大主压应力影响不明显，但对最大主拉应力影响较大；
The results show that the fault has no evident impact on the maximum principal pressure stress but high effect on the maximum principal shear stress;
结果显示，隧址区的最大主压应力及最大剪应力分布主要受地形和断层的控制。
The results show that the distributing of the maximum principal stress and maximum shear stress are mainly under the control of the landform and fault.
震区的主压应力为北北西方向，两震的受力方向基本一致，但断层面解明显不同。
According to focal mechanism, the directions of main press stress of the two are NNW in the seismic area but the fault plane solutions are different.
应用实例表明，套管径向压力载荷图形的长轴指向地应力场的最小主压应力方向。
An example shows that the long axis of the casing pressure figure directs to the minimum principal compression stress.
每条断层的位移速率、总位移量以及失稳事件数与断层方向和主压应力轴的夹角有关。
Slip rate, net slip and the Numbers of unstable events depend on the orientation of the fault with respect to the principal stress axes.
龙陵断裂带及其以北的局部地区，最大主压应力方向为近南北或北北西，应力结构为走滑型。
In Longling fault zone and the area north to it, the direction of maximum compressional stress is near NS or NNW, the stress regime is of strike slip type.
结果表明，前震的一组节面比较集中且与主震断层面大体一致，其主压应力轴也表现出相对的集中。
The results show that the group of nodal planes of pre shocks puts together comparably and identical with the fault of main shock, so do their P axes.
本文分析了东南沿海地区70个震源机制结果，得到本区现代构造应力场的主压应力轴具有扇形分布的特征。
The analysis of focal mechanism for 70 events in the SB coastal China indicates that the principal compression axes of the recent stress field is characterized by a fan-shaped distribution.
本文用地质、地貌、地震等综合方法研究第四纪构造应力状态。 本区第四纪主压应力为北东东—南西西方向。
The Quaternary tectonic stress states over the mentioned area and its relations to earthquakes are studied by combining the methods of geology, geomorphology. seismology and repeated levelling.
结果表明：当河谷走向与区域地应力场中最大主压应力方位的锐夹角越大时，它对河谷地应力场分布的影响越大。
The results show that the larger the acute Angle between valley trend and regional maximum principal stress is, the more intensive its influence on rock stress in valley is.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
起重机小车轮压经轨道传给箱形主梁上盖板和腹板，使之产生局部应力。
The local stress in the box beam is caused by the wheel pressure of the trolley conveyed along the track onto the upper flange and the web of the beam.
起重机小车轮压经轨道传给箱形主梁上盖板和腹板，使之产生局部应力。
The local stress in the box beam is caused by the wheel pressure of the trolley conveyed along the track onto the upper flange and the web of the beam.
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