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標題: 砂質斜坡上波浪變形與土壤孔隙壓力變化之研究
An Investigation on Wave Transformation and Soil Pore-pressure Variation on a Slope Sand Bed
作者: 蘇裕詠
Su, Yu-Yung
關鍵字: Wave;砂質;Pore-pressure;Sand Bed;Transformation;斜坡;波浪;孔隙壓力
出版社: 土木工程學系所
引用: 1. Biot, M. A. (1941), “General theory of three-dimensional consolidation,” Journal of the Applied Physics, Vol. 12, No. 2, pp. 155-164. 2. Cokelet, E. D. (1977), “Steep gravity waves in water of arbitrary uniform depth,” Phil. Trans. R. Soc. Land. A. 286, pp. 183-230. 3. Cruz, E. C. and Isobe, M. and Watanabe, A. (1997), “Boussinesq equations for wave transformation on porous beds,” Coastal Engineering in Japan, Vol. 30, pp. 125-156. 4. Hsu, J. R. C., Jeng, D. S. and Tsai, C. P. (1993), “Short-Crested Wave-Induced Soil Response in a Porous Seabed of Infinite Thickness,” International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 17, No. 8, pp. 533-576. 5. Lee, J. F. and Lan, Y. J. (2002), “On wave propagating over poro-elastic seabed,” Coastal Engineering in Japan, Vol. 29, pp. 931- 946. 6. Le Mehaute and Webb, L. (1964), “Periodic gravity wave over a gentle slope at a third order of approximation,” Proc. 9th Conf. On coastal Eng. ASCE, pp. 23-40. 7. Losada, I. J., Silva, R. and Losada, M. A. (1996), “Interaction of Non-breaking Directional Random Waves with Submerged Breakwater,” Coastal Engineering in Japan, Vol. 28, pp. 249-266. 8. Rojanakamthorn, S., Isope, M. and Watanabe, A. (1989), “A Mathematical Model of Wave Transformation over a Submergaed Brekwater,” Coastal Engineering in Japan, Vol. 32, No. 2, pp. 125- 156. 9. Shuto, M. (1974), “Nonlinear Long Waves in a Channel of Variable Section,” Coastal Engineering in Japan, Vol. 17, pp. 1-12. 10. Svendsen, I. A. and Brink-Kjaer, O. (1972), “Shoaling of cnoidal waves,” Proceeding of the Thirteen Conference on Coastal Engineering, ASCE, Vol. 1, pp. 365-384. 11. Tsai, C. P., Chen, H. B. and Hsu , J. R. C. (2001), “Calculations of Wave Transformation Across the Surf zone,” Ocean Engineering, Vol. 28, pp. 941-955. 12. 蔡清標、陳鴻彬、李芳君 (2001) ,「波浪通過斜坡孔隙底床上透水式潛堤之研究」, 中華民國第二十三屆海洋工程研討會論文集,第257頁-264頁。 13. 蔡清標、陳鴻彬 (2002),「斜坡孔隙彈性介質上波浪變形之研究」,中華民國第二十四屆海洋工程研討會論文集,第641-647頁。 14. 蔡清標、陳鴻彬、謝明穎 (2007),「斜坡砂質海床上波浪變形之數值解析」,中華民國第二十九屆海洋工程研討會論文集,第159-164頁。
本研究主要探討波浪經過砂質斜坡底床上所產生的波浪變形及土壤孔隙壓力變化,在理論方面採用蔡與陳 (2002)推導適用於孔隙彈性介質上時間相關緩坡方程式,並藉由改變土壤參數特性包含土壤剪力模數、滲透率來模擬不同底床特性且改變不同波浪入射條件及不同斜坡底床坡度作為波浪變形及土壤孔隙壓力改變之依據。

The purpose of this paper is to experimentation the wave transformation over slope sandy bottom. It mainly focuses on the effect of sandy seabed, soil shear modulus, soil permeability, to the wave transformations and induced soil response on the slope sandy bottom. The governing equations in this study are derived from Tsai and Chen (2002). They set a suitable time-dependent mild-slope equation for wave propagating over a poro-elastic seabed including properties of porosity, shear modulus, permeability, of the soil. In addition. The research compares first the wave deformation of sandy seabed and impermeable seabed. The numerical results indicate that the wave attenuation on the coarse sand seabed is more obvious than on the impermeable sand one.
其他識別: U0005-2008200917414700
Appears in Collections:土木工程學系所

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