ACCELERATION MECHANISM OF THE VOID DEVELOPMENT IN SEAWALLS
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- OKABE Yumi
- The University of Tokyo
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- SATO Shinji
- The University of Tokyo
Bibliographic Information
- Other Title
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- 海岸堤防空洞化の加速的進行機構に関する研究
- カイガン テイボウ クウドウカ ノ カソクテキ シンコウ キコウ ニ カンスル ケンキュウ
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Abstract
Laboratory experiments were conducted in an oscillatory flow tunnel focusing on the mechanism of the void development in seawalls. Rates of sand leaking from a sand-packed container through a small opening gap were measured under oscillatory pressure and velocities. The sand leaking rate was found to be proportional to the pressure amplitude and to the volume of the void in the container, which appeared to explain the acceleration mechanism of the void development frequently observed under high waves. Effective countermeasure to decelerate the void development was found to fill the void with incompressible materials in early stage of the void development.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 71 (2), I_1171-I_1176, 2015
Japan Society of Civil Engineers
