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A platform for research: civil engineering, architecture and urbanism
Research on a Critical Hydraulic Gradient of Piping in Noncohesive Soils
The critical hydraulic gradient of cohesive soil is an important condition for judging soil piping. For force analysis of movable particles in pore channels of soil, this study proposes to consider the influence of surrounding particles on the drag force of movable particles by water flow. According to the principle of relative motion, considering the interaction force between moving objects in still water, the value of the drag force of water flow that is affected by surrounding particles is calculated, to derive the method of the critical hydraulic gradient. This calculation method is suitable for the results of previous piping tests, and the method is accurate and concise.
Research on a Critical Hydraulic Gradient of Piping in Noncohesive Soils
The critical hydraulic gradient of cohesive soil is an important condition for judging soil piping. For force analysis of movable particles in pore channels of soil, this study proposes to consider the influence of surrounding particles on the drag force of movable particles by water flow. According to the principle of relative motion, considering the interaction force between moving objects in still water, the value of the drag force of water flow that is affected by surrounding particles is calculated, to derive the method of the critical hydraulic gradient. This calculation method is suitable for the results of previous piping tests, and the method is accurate and concise.
Research on a Critical Hydraulic Gradient of Piping in Noncohesive Soils
Can-Hong Zhang (author) / En-Yue Ji (author) / Bao-Tian Wang (author)
2021
Article (Journal)
Electronic Resource
Unknown
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