For an edge flat panel, given that Vu=160 k , slab thickness = 10 in, d...

For an edge flat panel, given that Vu=160 k , slab thickness = 10 in, d = 9 in, fc'= 3000 psi , fy = 60000 psi, column dimensions 24 x 24 in . Answer the following questions : a- Is shear reinforcement required ? (show your calculations) b- Will shear reinforcement solve the problem ? (show your calculations) c- Determine the parameter required to resist the given ultimate shear load then find a . d- Determine the stirrups spacing S . e- Determine the number of stirrups .

Solutions

Expert Solution

shear strength of requried=Vn

Vu = 160k

Vn= 160/0.75 = 213.33k

shear strength of concrete =Vc

compare Vc and Vn

VC < Vn as 23.6 < 213.33k

therefore shear reinforcement is required

Vs1 =Vn -Vc

assume 2 legs Av = 2 (,11) =0.22 in2

spacing of stirrup = s

use 4 bar 2 legged striupp @ 4 in

ACI max spacing = max of( d/2 or 24 inch) = 4.5 inch or 24 inch

use 4 bar 2 legged striupp @ 4 in

s max = 24 inch so 1 inch provided is ok

ACI min steel max=

number of stirrup per feet = 12 number of stirrup

Ally Wells answered 4 months ago

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