主应力迹线是代表主应力方向的曲线簇。
The principal stress traces represent the directions of principal stresses inside an object.
不同构造区主应力方向存在一定的差异。
There are some differences of principal stress between secondary tectonic areas.
应力方向在布井系统设计中发挥着主要作用。
Stress direction plays a key role in the well pattern design.
初裂缝是沿着最大水平主应力方向的垂直缝。
The beginning of crack is vertical along the orientation of maximum horizontal principal stress.
利用偶极横波测井计算地应力方向的公式法。
And the terrestrial stress direction also can be calculated by dipole wave data.
不同主应力方向的破坏强度最大差别可达30%。
The maximUm difference of failure strength among various principal stress direction is up to 30%.
在不同深度上表现出中、深部层应力方向较一致。
The stress of the crustal median layer is roughly the same direction as the deep layer.
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.
文章给出了一种判断平面应力状态主应力方向的简便方法。
In the article, a simple method is discussed to confirm the principal stress direction un-den the plane stress condition.
结果表明，该区域应力场主压应力方向为SW- NE向。
The result shows that the principal compressional stress field is in the SW NE direction.
且在卸载前后沿载荷方向，颗粒和基体的残余应力方向相反。
On the direction of load applied and removed, residual stresses of particle and matrix are opposite.
阐述了一种新的解析法确定主应力方向的极为简便易行的方法。
A new simplified way is introduced that applies analytics to determine primary stress dimension in configuration.
本文分析、比较了由不同方法测得的华北地区最大水平主应力方向。
The measured maximum horizontal principal stress orientation in North China by different methods were compared in this paper.
结果：在对称性咬合，牙位的变化对各牙的根尖主应力方向无影响。
Results: the variation of tooth position gave no effects to the directions of principle stress around apex area in symmetrical occlusal type.
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.
回波时间最长的方向为最小地应力方向，最大地应力方向与之垂直。
The direction of longest echo time is the direction of minimum earth stress, and the direction of greatest earth stress is perpendicular to it.
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.
结果表明，主应力方向的连续旋转导致了钙质砂中孔隙水压力的增长。
It was showed that the continuous rotation of principal stress induced the development of pore water pressure in carbonate sand.
通过适当的设计，可以使晶粒流动方向与实际使用时的主应力方向一致。
With proper design, the grain flow can be oriented in the direction of principal stresses encountered in actual use.
由切应力互等定理可知，在截面边缘上各点处切应力方向必与圆周相切。
Based on shearing stress Theorem, we know that the shearing stress direction of all the spots on the edge of circular cross-section should be tangent to the circle.
焊趾处萌生的裂纹往往在垂直于作用应力方向沿着横向宽度在多处形成。
Cracks, growing at weld toe, tend to form at numerous sites along the transverse width perpendicular to the applied stresses.
洞室地应力以构造应力为主，其最大主应力方向与厂房轴线方向近垂直。
The cave's initial principal stress is tectonic stress, and the Max main stress's direction is perpendicular to the power house's stalk line.
可将四分之一波片卸去，并按平面偏振光法或内插法来决定其主应力方向。
The directions can be obtained by removing the quarter-wave plate and following the procedure for plane polarized light or by interpolation.
取得了该区最大水平主应力、最小水平主应力量值及最大水平主应力方向。
The maximum and the minimum horizontal stresses and the direction of the maximum horizontal stress are obtained.
在受到切应力作用后，液晶溶液形成条带织构，条带的方向与应力方向垂直。
The band-like texture is formed in the liquid crystalline solution after shearing and the band direction is perpendicular to the shearing direction.
水平井眼方位应该沿着最小地应力方向钻进，以确保垂直裂缝沿着水平段分布。
Lateral wellbore placement required the well to be drilled into the minimum-stress direction to ensure that vertical fractures were placed along the lateral well.
研究表明，主应力方向对在不排水条件下饱和松砂的单调剪切特性具有显著影响。
It was found that the undrained shear behavior of loose sands was considerably dependent on the orientation of the principal stress.
因此可以通过这些次级构造和雁列类型的关系，来判断断层的运动和主应力方向。
The fault movement and the direction of principal stresses may be determined by considering the relationship between the different secondary structures and en-echelon patterns.
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.
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.
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