A circular sea wall is made of concrete. Determine the total weight of the wall if the concrete has a specific weight ${ \gamma }_{ C }$ .

Given:

${ \gamma }_{ C }$ = $150$ $\frac { Ib }{ { ft }^{ 3 } }$

$a$ = $60$ $ft$

$b$ = $15$ $ft$

$c$ = $8$ $ft$

$d$ = $30$ $ft$

$\theta$ = $50$ $deg$

Question

A circular sea wall is made of concrete. Determine the total weight of the wall if the concrete has a specific weight ${ \gamma }_{ C }$ .

Given:

${ \gamma }_{ C }$ = $150$ $\frac { Ib }{ { ft }^{ 3 } }$

$a$ = $60$ $ft$

$b$ = $15$ $ft$

$c$ = $8$ $ft$

$d$ = $30$ $ft$

$\theta$ = $50$ $deg$

Accepted Answer

[latex]W={ \gamma }_{ C } heta \left[ a\left[ \frac { 1 }{ 2 } d\left( b-c ight) ight] +\frac { 2 }{ 3 } \left( b-c ight) \left[ \frac { 1 }{ 2 } d\left( b-c ight) ight] +\left( a+b-\frac { c }{ 2 } ight) dc ight][/latex]

[latex]W=3.12 imes { 10 }^{ 6 }Ib[/latex]

Question : A circular sea wall is made of concrete. Determine the total...

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