Experimental Study on Deposition Promotion and Erosion Control for Pit Collapse

Qiang Ying; Sheng Ying Yuan

doi:10.4028/www.scientific.net/AMM.204-208.3022

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Experimental Study on Deposition Promotion and...

Experimental Study on Deposition Promotion and Erosion Control for Pit Collapse

Abstract:

Based on the actual measured topographic data of the pit collapse occurred at Sanjiangkou in Nanjing, a generalized model of pit collapse is established. With this model, the experimental study of flow pattern changes is made with the schemes of crow of a tree and tetrahedron-like penetrating frames. The study shows that the scheme with crow of tree play greater effect in pit velocity reduction, so it can be used in emergency rescue project. Although tetrahedron-like penetrating frames can also reduce velocity, but too crowded arrangement make limited effect in reducing velocity, therefore tetrahedron-like penetrating frames should keep proper distance while dumping into the pit collapse. Moreover, a comparative experiment is made on the effects between the singe project (only arranging the project in the slide pit) and the combined project (contains collapse entrance project and inside project). The study experiment shows that the combined project has no obvious better effect than the single project.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

3022-3027

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.3022

Citation:

Cite this paper

Online since:

October 2012

Authors:

Qiang Ying, Sheng Ying Yuan

Keywords:

Erosion, Pit Collapse, Siltation, Tetrahedron-Like Penetrating Frame

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