Design Problem preliminary Design 



Page no : 

 Calr.ulo ted by 

 Checked by: 



Date 



37 of/33 

 J. R. W. 



19 Mar. 73 



Quay Wall Caisson (conf.) 



5. Height of orbit center above 3.W.L.: 



A = 0.31 

 Hi 



ho = 0.3I H^ = 0.3f (H.'^) = 4. 62 ft 



6. Height of wove crest above botiom '. 



^c- d,fh,t t^Hi 



Cj^- 4C>.0+ 4.6Z*t4.J = GSSff. 



Wave will overtop caisson by S. 5 ft., 

 therefore assume that structure is not I007t> 

 reflective. Use X"^ 0.9 and recalculate ho 



Fig. 1-G5 



Eq. 7-GG 



^L 



= az& 



Figl-GS 



ho^ 0.1b Hi =0.18(I4.'<5)= 4.17ft. 



(yf. = 46.0 + 4.17 *■ ^^^(149) = ^4.3 ft 



soy yc~ 64ft. 



7. D/mensionless Force (fvave crest at 

 structure) : 



for ^ = a34Z: — ^= 0.324 ^ X°^-9^ 



7"* ' cf. 



Fig. 7-69 





= a6& 



^ = aed \Ndi^ 0.6&(CA)(4Gf=: 31JOO 

 ^= 9Z.I k/ft. 



8-97 



