静水应力是描述一点应力状态时,使用的概念,又称平均应力. 物体内一个质点的受力情况,可以用一个应力张量表示.而应力张量又可以进一步分解为,致使质点发生形状畸变的应力偏张量,和致使质点体积改变的应力球张量.应力球张量三个分量值相同,此值即为静水应力的值. 静水应力与静水压力,一个描述微观,一个描述宏观.
水体重力不仅可以产生竖向静水应力，而且还可产生水平静水应力。
It is discovered that the gravity can not only cause the vertical static water stress of the dam, but also the horizontal static water stress as well.
从而在理论上论证了静水应力和塑性变形程度对塑性致密化规律的影响。
Therefore, the effects of static hydraulic stress and Plastic deformation on Plastic densification can theoretically be Proved.
构造差应力究竟能够产生多大的附加静水压力在地学界一直有很大争议。
It is in disputed that how much additional tectono-induced hydrostatic pressure can be produced by tectonic difference stress.
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