., = „./|r=2a.OO)f^,|^r^2,0.03SW. 



U/3 



».--.(- T^)fe/'' = U0O,C»(K00) (. - %\^^^ 



\2I2> 



% - '- B^^ 



2/3 



Weight ^ (^ j 



,_. 2 VlO/ V 

 100 m ^ ' 



The equation for the volume of the first underlayer is as follows; 



, E + 12.0 ^ "^ ^^'^ ~ "^os~e , ,„„ 



V, = \ — = : TT -I -^ : 7, / r, X 100 m 



1 \ 2 sin e 2 sin 6 / 1 



(equation derived from preliminary geometry of cross section on page 8-48) 

 where 



E = crest elevation (m above MLW) 



r, = thickness of cover layer (m) 



A 



r = thickness of first underlayer (m) 



3 



V^ = volume of first underlayer per 100 m of structure (m ) 



The equation for the volume of the core per 100 m of structure is as 

 follows: 



1 / '^l \^ 



V = -=■ 12.0 + E — (1.5 + cot 6) (100) 



a 2 \ cos 9 / 



8-62 



