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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3683/CH4/EX4.5 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3683/CH4/EX4.5')
| -rw-r--r-- | 3683/CH4/EX4.5/Ex4_5.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/3683/CH4/EX4.5/Ex4_5.sce b/3683/CH4/EX4.5/Ex4_5.sce new file mode 100644 index 000000000..e9ddc8b3f --- /dev/null +++ b/3683/CH4/EX4.5/Ex4_5.sce @@ -0,0 +1,27 @@ +b=300//width, in mm
+d=1010//effective depth, in mm
+W=45//UDL including self-weight, in kN/m
+Ast=6*0.785*22^2//six 22 mm dia bars, in sq mm
+l=7//span, in m
+sigma_cbc=5//in MPa
+sigma_sv=140//in MPa
+Fy=250//in MPa
+V=W*l/2//in kN
+Tv=(V*10^3)/(b*d)//in MPa
+Tcmax=1.6//in MPa
+//Tv<Tcmax; OK
+Pt=Ast/(b*d)*100//percentage tensile steel
+//for given Pt and for M15 grade concrete
+Tc=0.34//in MPa
+Vs=V-Tc*b*d/10^3//in kN
+//providing 6 mm dia stirrups
+dia=6//in mm
+Asv=2*0.785*dia^2//in sq mm
+Sv1=Asv*sigma_sv*d/(Vs*10^3)//in mm
+Sv1=145//round-off, in mm
+//Sv<0.75d or 450 mm, whichever is less; hence OK
+//calculating minimum spacing of shear reinforcement
+Sv2=Asv*Fy/(b*0.4)//in mm
+Sv2=118//round-off, in mm
+Sv=min(Sv1,Sv2)
+mprintf("Provide 6 mm dia bars at %d mm c/c throughout the length of the beam, as shear reinforcement", Sv)
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