|Table of Contents|

Citation:
　Mohammad Amin Torabi and Mehdi Shafieefar.An Experimental Investigation on the Stability of Foundation of Composite Vertical Breakwaters[J].Journal of Marine Science and Application,2015,(2):175-182.[doi:10.1007/s11804-015-1309-7]
Click and Copy

An Experimental Investigation on the Stability of Foundation of Composite Vertical Breakwaters

Info

Title:
An Experimental Investigation on the Stability of Foundation of Composite Vertical Breakwaters
Author(s):
Mohammad Amin Torabi and Mehdi Shafieefar
Affilations:
Author(s):
Mohammad Amin Torabi and Mehdi Shafieefar
Department of Civil Engineering, Tarbiat Modares University, Tehran 14115-143, Iran
Keywords:
composite breakwaters;  Caisson;  experimental study;  Erosion;  foundation;  scouring;  Kimura formula;  stability
分类号:
-
DOI:
10.1007/s11804-015-1309-7
Abstract:
A series of 2D model tests were conducted to assess the foundation stability of composite vertical breakwaters. In this paper, the results from the experimental study are presented conjointly with a formula to estimate the stability number of foundation, which is the most important parameter for evaluation of foundation stability of such structures. The influences of wave height, wave period and the berm width on the stability of composite breakwaters with different armor stone sizes were investigated. Forty-five tests were performed to cover the influences of these parameters. According to the present research, berm width is a significant parameter concerning erosion of armor foundation. As the berm width increases, the amount of berm erosion decreases. Comparisons are made between results of present study and the estimated stability number proposed by Kimura et al. (1994), which is extension of Tanimoto formula. Results show that the later formula underestimates the stability number. However, by applying an enhancement factor about 1.7 meters to Kimura et al. formula, results correlated with the present experimental results.

References:

Brebner A, Donnelly P (1962). Laboratory study of rubble foundations for vertical breakwaters. Coastal Engineering Proceedings, 1(8), 24.
    DOI: 10.9753/icce.v8.24
Cuomo G, Lupoi G, Shimosako KI, Takahashi S (2011). Dynamic response and sliding distance of composite breakwaters under breaking and non-breaking wave attack. Coastal Engineering, 58(10), 953-969.
    DOI: 10.1016/j.coastaleng.2011.03.008
De Best A, Bijker EW, Wichers JEW (1971). Scouring of sand in front of a vertical breakwater. Proc. Conference on Port and Ocean Engineering under Arctic Conditions Vol. 2, The Norwegian Institute of Technology, Trondheim, Norway, 1077-1086.
ENGINEERS U.A.C.O. (2006). Coastal engineering manual-Part VI.Publication Number EM 1110-2-1100, Proponent CECW-EW., Washington, DC.
Esteban M, Morikubo I, Shibayama T, Aranguiz-Muñoz R, Mikami T, Nguyen TD, Ohtani A (2012). Stability of rubble mound breakwaters against solitary waves. Coastal Engineering Proceedings, 1(33), Structures-9.
    DOI: 10.9753/icce.v33.structures.9
Goda Y (1994). Dynamic response of upright breakwaters to impulsive breaking wave forces. Coastal Engineering, 22(1), 135-158.
    DOI: 10.1016/0378-3839(94)90051-5
Hughes SA, Fowler JE (1991). Wave-induced scour prediction at vertical walls. ASCE Proc. Conf. Coastal Sediments, 91, 1886-1899.
Hughes SA, Fowler JE (1995). Estimating wave-induced kinematics at sloping structures. Journal of Waterway, Port, Coastal, and Ocean Engineering, 121(4), 209-215.
    DOI: 10.1061/(ASCE)0733-950X(1995)121:4(209)
Hudson RY (1959). Laboratory investigations of rubble-mound breakwaters. American Society of Civil Engineers (ASCE).
Irie I, Nadaoka K (1984). Laboratory reproduction of seabed scour in front of breakwaters. Proc. 19th International Conference on Coastal Engineering, Houston, 2, 1715-1731.
    DOI: 10.9753/icce.v19
Kimura K, Takahashi S, Tanimoto K (1994). Stability of rubble mound foundations of composite breakwaters under oblique wave attack. Coastal Engineering Proceedings, 1(24).
    DOI: 10.9753/icce.v24
Lamberti A, Martinelli L (1998). Prototype measurements of the dynamic response of caisson breakwaters. Coastal Engineering Proceedings,1(26).
    DOI: 10.9753/icce.v26
Mansard EP, Funke ER (1980). The measurement of incident and reflected spectra using a least squares method. Coastal Engineering Proceedings, 1(17).
    DOI: 10.9753/icce.v17
Markle DG (1989). Stability of toe berm armor stone and Toe buttressing stone on Rubble-mound breakwaters and Jetties: physical model investigation. US Army Engineer Waterways Experiment Station.
Mitsui J, Matsumoto A, Hanzawa M, Nadaoka K (2014). Stability of armor units covering rubble mound of composite breakwaters against a steady overflow of tsunami. Coastal Engineering Proceedings, 1(34), Structures-34.
    DOI: 10.9753/icce.v34.structures.34
Moghim MN, Shafieefar M, Tørum A, Chegini V (2011). A new formula for the sea state and structural parameters influencing the stability of homogeneous reshaping berm breakwaters. Coastal Engineering, 58(8), 706-721.
    DOI: 10.1016/j.coastaleng.2011.03.006
Oumeraci H (1994a). Review and analysis of vertical breakwater failures—lessons learned. Coastal Engineering, 22(1), 3-29.
    DOI: 10.1016/0378-3839(94)90046-9
Oumeraci H (1994b). Scour in front of vertical breakwaters—review of problems. Proc. International Workshop on Wave Barriers in Deep Water, Yokosuka, Japan, 281-307.
Oumeraci H, Kortenhaus A (1994). Analysis of the dynamic response of caisson breakwaters. Coastal Engineering, 22(1), 159-183.
    DOI: 10.1016/0378-3839(94)90052-3
Ruol P, Martin P, Andersen TL, Martinelli L (2014). Experimental investigation on caisson breakwater sliding. Coastal Engineering Proceedings, 1(34), Structures-74.
    DOI: 10.9753/icce.v34.structures.74
Shafieefar M, Shekari MR (2014). An experimental study on the parameterization of reshaped seaward profile of berm breakwaters. Coastal Engineering, 91, 123-139.
    DOI: 10.1016/j.coastaleng.2014.05.009
Takahashi S (2002). Design of vertical breakwaters. Port and Airport Research Institute, Japan.
Tanimoto K, Yagyu T, Goda Y (1982). Irregular wave tests for composite breakwater foundations. Coastal Engineering Proceedings, 1(18).
    DOI: 10.9753/icce.v18.%25p
Ulker MBC, Rahman MS, Guddati MN (2010). Wave-induced dynamic response and instability of seabed around caisson breakwater. Ocean Engineering, 37(17), 1522-1545.
    DOI: 10.1016/j.oceaneng.2010.09.004
Van der Meer JW (1987). Stability of breakwater armour layers—design formulae. Coastal Engineering, 11(3), 219-239.
    DOI: 10.1016/0378-3839(87)90013-5
Xie SL (1985). Scouring patterns in front of vertical breakwaters. Acta Oceanologica Sinica, 4(1), 153-164.
Xie SL (1981). Scouring patterns in front of vertical breakwaters and their influence on the stability of the foundations of the breakwaters. Report. Department of Civil Engineering, Delft University of Technology, Delft, The Netherlands, September, 61.
Ye JH, Jeng DS, Liu PF, Chan AHC, Wang R, Zhu CQ (2014a). Breaking wave-induced response of composite breakwater and liquefaction in seabed foundation. Coastal Engineering, 85, 72-86.
     DOI: 10.1016/j.coastaleng.2013.08.003
Ye JH, Zhang Y, Wang R, Zhu CQ (2014b). Nonlinear interaction between wave, breakwater and its loose seabed foundation: A small-scale case. Ocean Engineering, 91, 300-315.
     DOI:10.1016/j.oceaneng.2014.09.003

Memo

Memo:
Received date: 2014-8-30                                 Accepted date: 2015-2-25
Corresponding author: Mehdi Shafieefar       E-mail:shafiee@modares.ac.ir
Last Update: 2016-06-24