Stability Problems of Collapsing Soil

Stability of Dynamically Collapsing Gas Sphere

T. Hanawa and T. Matsumoto Stability of Dynamically Collapsing Gas Sphere 1 document page1 Stability of Dynamically Collapsing Gas Sphere Tomoyuki Hanawa Department of Astrophysics, Nagoya University, Chikusa-ku, Nagoya 464-8602 E-mail(TH): [email protected] and Tomoaki Matsumoto Faculty of Liberal Arts, Hosei University, Fujimi, Chiyoda-ku, Tokyo 102-8160 E-mail(TH): [email protected]...

Collapsing and Explosion Waves in Phase Transitions with Metastability, Existence, Stability and Related Riemann Problems

Collapsing waves were observed numerically before and were used to explain the ring formations in dynamic flows involving phase transitions with metastability. In this paper, necessary and sufficient conditions for collapsing type of waves to exist are given. The conditions are that the wave speed of the collapsing wave is not less than a number and is supersonic on both sides of the wave. Exis...

Changes study of soil splash and stability of soil aggregates using polyvinyl acetate

Soil erosion, especially water erosion, threatens the installations, water resources and also human life. The first stage of water erosion is the splash erosion that it requires to control in the primary stages. On the other hand, the application of soil conditioners is one of the approaches that it provide the conservation possibility of soil surface against water erosion, especially erosion f...

Trench stability in cohesive soil

Trench is connected to very narrow and deep excavation filled with bentonite suspension. This paper presents estimation of its stability in cohesive soil. The stability is assessed by two calculation methods. The first involves the equilibrium of forces acting on the rigid wedge. The second one includes numerical calculations conducted in Plaxis 3D Foundations. A few examples having different d...

Time Stability of Soil Water Content