通过对裂缝中气液二相流体临界渗流现象的分析推理，建立描述这一现象的随机混合渗流数学模型。
Based on analyzing the micro critical seepage phenomena of gas-liquid two-phase flow in a single fracture, a random and compound mathematical model was constructed to describe this phenomenon.
通过模型实验，研究粘土体裂缝中的水流规律，提出了临界水位上升速度的概念。
The present paper tries to study through model experiments the law governing the waterflow in clay fractures and proposes the concept of the critical rising rate of the waterhead.
应用弹塑性理论分析屋面水箱的含裂缝承重墙体，得到临界荷载的计算公式，计算出的临界荷载远此砖砌体的局部抗压强度低。
When elastoplastic theory is used to analyses the brick wall with cracks bearing weight of water box on the roof of a building, a critical load formula is derived.
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