sand boil

Analysis on landslide Mechanism of sand Boil in Construction of urban Metro Tunnel

城市地铁隧道施工中砂土悬涌塌方机理分析

The stress in three-dimension, under which isotropic saturated sand will boil, is studied with tensor analysis and the stress development progress of sand boil is discovered.

利用张量理论，从液体和固体的定义出发，分析了三维应力条件下各向同性沉积砂发生砂沸的应力条件，揭示了砂沸的应力发展过程。

The behavior properties and corresponding mechanics of the three modes of liquefaction due to earthquake, was stated, namely sand boil, flow slide and cyclic mobility detailedly.

阐述了地震液化的三种表现形式砂沸、流滑和循环活动性的表现形式、作用机理和触发条件。

With sand boil the soup pot, no greasy.

用紫砂煲煲的汤, 无油腻.

The study shows that both generalized shear stress and the first invariant function of stress tensor become smaller and smaller when pore pressure increases during the course of the development of sand boil.

研究表明，在砂沸发展过程中，广义剪应力与有效应力张量第一不变量均随着孔隙水压力的增大而减小，且逐渐趋于零；

Installed directly on the cold water tank inside the sand boil on the line.

直接放在装了冷水的沙罐里面熬就行了.

Study of the stress development progress of sand boil

砂沸的应力演进过程研究