BASIC COASTAL ENGINEERING Part 4 pptx

... 0.52 1. 14 1.07 0.96 0.99 1.01 1.00 u ¼ 105  1/2 0.28 0.28 0.29 0.32 0.35 0 .41 0 .49 0.59 0.72 0.85 0.97 1.01 1.00 1 0.20 0.20 0. 24 0.23 0.27 0.33 0 .42 0.56 0.75 0.95 1.06 1. 04 1.00 2 0. 14 0. 14 0.13 ... 0.21 0.23 0.28 0. 34 0 .44 0.59 0.78 0.95 1.00 2 0.12 0.12 0.13 0. 14 0. 14 0.17 0.20 0.26 0.37 0.56 0. 84 1.05 1.00 5 0.08 0.07 0.08 0.08 0.09 0.11 0.13 0.17 0.28 0. 54 1.00...

Ngày tải lên: 09/08/2014, 11:20

... U.S. Army Coastal Engineering Research Center, 19 84. ) 46 / Basic Coastal Engineering The radiation stress components S xy and S yx are both zero. Note that in deep water Eqs. (2 .47 ) and (2 .48 ) become S xx ¼  EE 2 , ... versus bottom slope and deep water steepness. (ModiWed from U.S. Army Coastal Engineering Research Center, 19 84. ) 42 / Basic Coastal Engineering...

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... estimates of wind speed. 9 .4 Coastal Morphology and Sedimentary Processes Many coastal engineering activities are concerned with the interaction of coastal sedimentary processes and coastal works such ... Beach ProWles,’’ Technical Memorandum 44 , U.S. Army Corps of Engineers Beach Erosion Board, Washington, DC. 282 / Basic Coastal Engineering Equation (8 .4) simply says th...

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... surface proWles and particle orbits. 20 / Basic Coastal Engineering BASIC COASTAL ENGINEERING Third Edition ROBERT M. SORENSEN ROBERT M. SORENSEN Department of Civil and Environmental Engineering Lehigh ... period, and 16 / Basic Coastal Engineering 1 Coastal Engineering The competent coastal engineer must develop a basic understanding of the characteristics and ph...

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... Confer- ence on Coastal Engineering, American Society of Civil Engineers, London, pp. 1 24 144 . 74 / Basic Coastal Engineering U.S. Army Coastal Engineering Research Center (19 84) , Shore Protection ... caustic 40 −35 −30 −25 −20 −15 −10 −5 Figure 4. 5. Wave refraction diagram for 7 s wave from S 308 E. (Sorensen, 1993.) 88 / Basic Coastal Engineering du ds ¼ 1 C sin...

Ngày tải lên: 09/08/2014, 11:20

... 0. 14 5. 74 8.68 1 840 0. 04 10.72 11.88 18 340 0.39 13.53 14. 17 22930 0 .43 15.39 17.37 2290 0. 04 18.55 21.95 344 00 0 .44 22.69 24. 79 18 340 0.21 25.32 26.51 6820 0.07 26.97 32.00 13820 0.12 32. 34 45.72 ... Distance (m) 7.31 2750 10.05 45 90 13.72 22930 14. 62 45 860 20.12 48 150 23.97 82550 25.60 100890 27 .43 107710 36.57 121530 54. 86 144 460 73.15 181150 91 .43 190320 Se...

Ngày tải lên: 09/08/2014, 11:20

... 3.72 2. 04 2. 54 1 .47 3.50 0.96 2. 54 1.36 1.15 3.05 1.80 1.70 2.05 2.07 2.27 1.39 2.39 2.51 0.82 1.86 2.07 3.07 1.66 3.10 2. 94 3.00 1.39 3.11 1.39 1.53 2.37 1.16 2.56 2. 84 4.53 3.31 1.58 1 .46 2.37 ... is W A ¼ 0:71(30) 1:23 ¼ 46 :6m=s Then, Eqs. (6 .40 ) to (6 .42 ) yield H mo ¼ 0:0016 9:81(20,000) (46 :6) 2  0:5 (46 :6) 2 9:81 ¼ 3:4m T p ¼ 0:286 9:81(20,000) (46 :6) 2  0:33...

Ngày tải lên: 09/08/2014, 11:20

... period of 2, 4, and 6 s. Solution: For a water depth of 7.6 m and the three periods of interest Eq. (2. 14) yields the following wave lengths: T ¼ 2s L ¼ 6.3 m 4 s 24. 0 m 6 s 44 .4 m For a breakwater ... the procedure given in the U.S. Army Coastal Engineering Research Center (19 84) ). The total force at the instant being considered would act at 6550Nm= 148 8N ¼ 4: 40 m up from th...

Ngày tải lên: 09/08/2014, 11:20

... (0:3013 )4 ¼ 5125 N=m 2 Then, the pressure on the structure will vary as follows: z ¼ 0:95 þ 0:15 ¼ 1:10 m p ¼ 0 z ¼ 4: 0m p ¼ 9810 (4) þ 5125 ¼ 44 ; 365 N=m 2 z ¼À3:5m p ¼ 44 ,365 3:5 þ0:95 þ0:15 4 þ0:95 ... ! ¼ 40 , 040 N=m 2 Thus, the total force per unit length is 40 ; 040 2 (3:5 þ0:95 þ0:15)(1) ¼ 92, 092 N=m This force acts at a distance of 0:5 þ (3:5 þ0:95 þ:015) 3 ¼ 2:03 m 230...

Ngày tải lên: 09/08/2014, 11:20

... 123, 1 34, 138, 142 , 144 coefficient, 145 Boundary conditions, 10–11, 13, 53, 69, 136, 142 , 144 Breakwater, berm, 2 24 225, 2 34 floating, 199, 209, 211–212 low-crested, 215 offshore, 79, 2 14 rubble ... 161–166 Wave runup, 5, 42 , 44 47 , 217, 233, 237, 2 54 255, 261, 303 Wave setup and setdown, 30–35 Wave, shallow water, 17, 34, 40 , 53 – 54, 64, 91, 1 14 115, 117–118, 125, 130,...

Ngày tải lên: 09/08/2014, 11:20