Sandy dike, Comcoast - WP3: Innovative concept of an overtopping resistant dike

(1)

(2)

!

" #

$ % $&&'

(3)

(4)

(5)

(6)

(7)

1 - 2##% . . # -. # =/1 2 1 - 2## # 2 11 . . = 3 ! H3 / 3636 G !/ 5 3 31 - #% 1 ## 1 6 % 1 A 2 = 31 # 1 2 11 % 1 % 1 1= & ' && ' ' & ' ( E 11 ## 1 6 % 1 : A 2 # . 1 # # 1 % 1 . . # =E 1 1 1 #I.#- 1 1 % 2 1 2 1 ## ## B . @ ##C 1 # # 1 1 =" 1 1 2% 1 # . . ## 12 1 1 - # 7 # 6 ## =#1.11 - # # . #. @1 1 # . 1 1 I.#- % 1 2## = " . $=$ #-after 1 hour after storm Inner slope is “just”

(8)

(9)

(10)

(11)

(12)

(13)

(14)

31 D . B * CK 5 D 31 - B * $_{* C@ 21 1} B 1 C 1 1 = "/!5 3 / /"3! 6 # . 1 #- 1K 1 #. # 1 1 K 1 #- # 1 # 1 #-# 1 .= . 1 #@1 #-. 1 .# 1 #- -. 2 # # 1 = .1 # 1 - . 1 # #-= # . 1 . 1 .1 1 =6 2 @1 2 1 % 1 ##2 = # . 1 #. (&&Q 1 . #. B1 # 1 . %#2C= # . @1 2 #. # ##-1 1 1 1 . #. 1 =# 1 1 @1 #. 2##1 % #2 1 1 . #. B 2 C= D #@1 1 ##- 12 1 . %#2= 1 D # . 1 @ &Q 1 #2 1@2 .12 2 .# # . = I. #-@ #-'9Q 1 2##% #2 # 1 9&Q 1 # = 0% 50% 100% 150% 200% 250% 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

Distance along the dike section (-)

O v e rt o p p in g v o lu m e ( in % o f th e c o m p u te d v a lu e ) Ideal situation Not ideal situtation

(15)

(16)

(17)

(18)

(19)

(20)

(21)

/1

1 #

3 6 HH"3 5 /"36 5 3 ! H 36 / 3! 3 / 31 # 1 #- # .##- =31 # 1 1 # % '& - = 31 .# %# # = 1# .@1 2## #- 1 %#-B . D @1 1# 2## % 2 1 .C=31 # -1 -1 - % 1 # @%. 1 . % - = / 3 . B2 1 2 1 # (&& C % 2 T +&&@ T,&&@=4 . D . # =31 D . # 1 6 % 1 7 2 @ # D (= 5 . 5 . 5 . 5 . 5 D5 D5 D5 D .... 6 1 + (& # ( ( 31 #- $ $ #-#- ( ( #1 ' $ ' $ 3 # B % C $ $ 4 $ $ G (J &

31 #. '&Q 1 #. (,QE3 =31 '&Q

(22)

(23)

(24)

(25)

(26)

(27)

/H

/ 6/

H 3 ! 3 3 36/! @= # ! 5=/ 2 #-6 E 5=G ! != 0 #-! H E 5=G ! $ $$

$ %%%% $&&'$&&'$&&'$&&'