principal stress
主应力：在三维空间中
常用释义
英式发音
美式发音
基本释义
- 主应力：在三维空间中，物体受到的应力可以分解为三个方向上的应力，其中最大的应力称为主应力。
例句
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1·The axes of principal stress rotated before earthquake.震前主应力轴的旋转。
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2·There are some differences of principal stress between secondary tectonic areas.不同构造区主应力方向存在一定的差异。
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3·The principal stress traces represent the directions of principal stresses inside an object.主应力迹线是代表主应力方向的曲线簇。
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4·The beginning of crack is vertical along the orientation of maximum horizontal principal stress.初裂缝是沿着最大水平主应力方向的垂直缝。
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5·The maximUm difference of failure strength among various principal stress direction is up to 30%.不同主应力方向的破坏强度最大差别可达30%。
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6·Integrating the minimum principal stress principle, the re-fracturing crack azimuth is determined.再结合最小主应力原理，确定重复压裂裂缝方位。
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7·At the beginning of loading, the major principal stress centralize in a triangle area under the lap.刚开始加载时，最大应力集中在搭接面以下的一个三角形区域内。
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8·In the article, a simple method is discussed to confirm the principal stress direction un-den the plane stress condition.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。
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9·The direction of the major principal stress in a region remains the same from tens of meters to 4000 meters below surface.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。
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10·The measured maximum horizontal principal stress orientation in North China by different methods were compared in this paper.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。