CAZALY with Tube Steel
For LRFD LOADS<

Select HSS Shape:
Shape:
Area(in2)= thk-des(in)=
Zx(in3)= Zy(in3)=

Inputa Data
Vu(Kip):
Nu(kip):
h(in):
bw(in):
a(in):
Lp(in):
f'c(psi):
Rebar fy(psi): " style="width: 85px;" size="20" type="text">
TS fy(psi): " style="width: 85px;" size="20" type="text">
Φcb: " style="width: 85px;" size="20" type="text">
Φcf: " style="width: 85px;" size="20" type="text">
Φst: " style="width: 85px;" size="20" type="text">
Φsv: " style="width: 85px;" size="20" type="text">
λconc: " style="width: 85px;" size="20" type="text">
C.Cover(in): " style="width: 85px;" size="20" type="text">

3.4): $ue=3.4; else: $ue=$ue1; endif; IF($vu==0): $avf=0; else: $avf=$fts/($phicf*$fy*$ue); endif; $as=ROUND((MAX($avf,$fts/($phist*$fy))),3); $asside=$as/2; $an=ROUND(($nu/($phist*60)),3); /* Variables NEEDED by this include("subcal/stca2.php") */ $fy=$tsfy/1000; $phia=0.9; $phiv=0.9; $phib=0.9; $cv=1; include("subcal/stca2.php"); /* ends include("subcal/stca2.php") */ } ?> Results: Shape:
Rebar Astotal (in2)=  
Rebar Asea side (in2)=  
Rebar An(in2)=  
TS Length (in)=  
AISC H3-6 eq=
Unity Check  
Compact Sec.Check  
compact b=  
compact h=  

"; $aabbcc = 2; } } ?>  

Input data Key

a= distance(in) between centroid of 'As' to 'Vu' point.
co= Concrete cover (in) (Min cover=0.625" default)
Lp= bearing length (in) at support (pad).
h =distance up to the flexural reinforcing or below(in).
Lts,b,d = Tube steel dimensions(in).
As, An = Rebars cross section areas(in2)
fy = yield strength, for Reabars and TS (psi)
Ldh, Lnh = development lengths(in) for 'As'and 'An' rebars.
Φcb, Concrete bearing factor= 0.65 (default)
Φcf, Concrete shear friction factor= 0.75 (default)
Φst, Steel Tension at flexure factor= 0.90 (default)
Φsv, Steel actual shear factor= 0.60 (default)
λdensConc =1.0 concrete density factor(default)