Capacity design
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1 Project Job Ref. Section Sheet no./rev. 1 Calc. by P Date 22/06/15 Chk'd by Date App'd by Date Input Data (M1C2) σελ. 485 el=1.5 For primary elements 1.5 for secondary 1.0 h=1.25m The height of the cross section b=0.80m Width of cross section N=-2441kN M=-2093kNm Moment at the examined cross section V=-386kN Shear at the examined cross section fc=37MPa Mean compresive concrete stress fy=400MPa Mean steel stress fyw=400MPa Mean steel stress stirrups Asc=25cm 2 Compresion reinforcement Ast=25cm 2 Tension reinforcement Asx=12cm 2 Stirrups sh=15cm Distance of stirrups Ac=bh=0.960m 2 Lv=M/V=5.422 v=-N/(bhfc1000)=68.710 -6 sc=(Asc/Ac)(fy/fc)=0.028 st= (Ast/Ac)(fy/fc)=0.028 sx=Asx/(b100sh)=100.10 -6 d=0 Diagonal reinforcment if existing bo=0.68m Width under confinment from center of stirr ho=1.08m Height under confinment from center of stirrup bi=0.15m Distance betwwen longitudinal rebars inside the stirrup Sbi=0.15m Mean distance between longitudinal rebars =(1- sh/(2bo))(1- sh/(2ho))(1-(Sbi 2 /(6boho)))=0.824 k1= sxfyw/fc=0.001 k2=100d Η ΓΩΝΙΑ ΣΤΡΟΦΗΣ ΧΟΡΔΗΣ ΣΤΗΝ ΑΣΤΟΧΙΑ um=(1/el)0.016 v )max(0.01, sc)/ max(0.01, st))fc] 0.225 (Lv/h) 0.35 25 k1 1.25 k2 =915.10 -3 um=(1/el)0.016 v )max(0.01, sc)/ max(0.01, st))fc] 0.225 (Lv/h) 0.35 =912.10 -3
description
Capacity design
Transcript of Capacity design
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1
Project
Job Ref.
Section
Sheet no./rev.
1
Calc. by
P
Date
22/06/15
Chk'd by
Date
App'd by
Date
Input Data (M1C2) . 485
el=1.5 For primary elements 1.5 for secondary 1.0
h=1.25m The height of the cross section
b=0.80m Width of cross section
N=-2441kN
M=-2093kNm Moment at the examined cross section
V=-386kN Shear at the examined cross section
fc=37MPa Mean compresive concrete stress
fy=400MPa Mean steel stress
fyw=400MPa Mean steel stress stirrups
Asc=25cm2 Compresion reinforcement
Ast=25cm2 Tension reinforcement
Asx=12cm2 Stirrups
sh=15cm Distance of stirrups
Ac=bh=0.960m2
Lv=M/V=5.422
v=-N/(bhfc1000)=68.710-6
sc=(Asc/Ac)(fy/fc)=0.028
st= (Ast/Ac)(fy/fc)=0.028
sx=Asx/(b100sh)=100.10-6
d=0 Diagonal reinforcment if existing
bo=0.68m Width under confinment from center of stirr
ho=1.08m Height under confinment from center of stirrup
bi=0.15m Distance betwwen longitudinal rebars inside the stirrup
Sbi=0.15m Mean distance between longitudinal rebars
=(1- sh/(2bo))(1- sh/(2ho))(1-(Sbi2/(6boho)))=0.824
k1=sxfyw/fc=0.001
k2=100d
um=(1/el)0.016v)max(0.01,sc)/ max(0.01,st))fc]0.225(Lv/h)0.3525k11.25k2=915.10-3
um=(1/el)0.016v)max(0.01,sc)/ max(0.01,st))fc]0.225(Lv/h)0.35=912.10-3
