DIAGRAMAS DE INTERACCION ACI

D.5—Interaction diagrams
2.4
2.2
1.8
0.06
1.6
0.05
Ag
c
Kn = Pn / f
1.0
h
fy = 60 ksi
 = 0.6
0.07
1.2
/
g = 0.08
2.0
1.4
h
INTERACTION DIAGRAM R3-60.6
f /c = 3 ksi
Kmax
e
0.04
Pn
fs/fy = 0
0.03
0.25
0.02
0.01
0.8
0.50
0.6
0.75
0.4

 t = 0
t t = 0.0.0035
= 0 04
. 00
5
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
1.8
1.6
Kn = Pn / f
/
c
Ag
1.4
g = 0.08
INTERACTION DIAGRAM R3-60.7
f /c = 3 ksi
0.07
 = 0.7
h
h
fy = 60 ksi
Kmax
0.06
e
Pn
0.05
fs/fy = 0
0.04
0.03
1.2
0.25
0.02
1.0
0.01
0.50
0.8
0.75
0.6
0.4

t t = 0.00
t = 0.00435
= 0.
005 0
0.2
0.0
0.00
0.05
0.10
0.15
1.0
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
0.35
0.40
0.45
0.50
2.4
2.2
2.0
1.8
g = 0.08
h
INTERACTION DIAGRAM R3-60.8
f /c = 3 ksi
h
fy = 60 ksi
 = 0.8
0.07
Kmax
0.06
Pn
e
0.05
1.6
fs/fy = 0
0.04
Kn = Pn / f
/
c
Ag
1.4
0.03
0.25
1.2
0.02
1.0
0.50
0.01
0.8
0.75
0.6
1.0
0.4
t = 0.0
t = 0.0 0305
t = 0.0004
5
0.2
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60
Rn = Pn e / f / c Ag h
2.4
2.2
g = 0.08
INTERACTION DIAGRAM R3-60.9
/
f c = 3 ksi
0.07
 = 0.9
h
h
fy = 60 ksi
2.0
Kmax
0.06
1.8
e
Pn
0.05
1.6
fs/fy = 0
0.04
Kn = Pn / f
/
c
Ag
1.4
0.03
0.25
1.2
0.02
1.0
0.50
0.01
0.8
0.75
0.6
1.0
0.4
0.2
t = 0.0035
t = 0.004
t = 0.0050
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65
Rn = Pn e / f / c Ag h
2.0
1.8
h
INTERACTION DIAGRAM R4-60.6
f /c = 4 ksi
g = 0.08
h
fy = 60 ksi
 = 0.6
0.07
1.6
Kmax
0.06
Pn
e
1.4
1.2
0.05
0.04
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.03
1.0
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4

t t = 0.00
= 0.
t
0 35
= 0. 040
005
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
0.35
Rn = Pn e / f / c Ag h
2.0
1.8
g = 0.08
h
fy = 60 ksi
 = 0.7
0.07
1.6
h
INTERACTION DIAGRAM R4-60.7
/
f c = 4 ksi
Kmax
0.06
e
1.4
Pn
0.05
0.04
fs/fy = 0
1.2
Kn = Pn / f
/
c
Ag
0.03
1.0
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4

t t = 0.0
t = 0.004035
= 0.
005 0
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
Rn = Pn e / f
0.25
/
c
Ag h
0.30
0.35
0.40
2.0
1.8
1.6
1.4
g = 0.08
INTERACTION DIAGRAM R4-60.8
f /c = 4 ksi
0.07
 = 0.8
h
h
fy = 60 ksi
Kmax
0.06
e
0.05
Pn
fs/fy = 0
0.04
1.2
Kn = Pn / f
/
c
Ag
0.03
1.0
0.25
0.02
0.01
0.50
0.8
0.75
0.6
1.0
0.4
 t =
t = 0.0035
t = 00.0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Rn = Pn e / f / c Ag h
2.0
g = 0.08
INTERACTION DIAGRAM R4-60.9
f /c = 4 ksi
0.07
 = 0.9
0.06
Kmax
1.8
1.6
1.4
fy = 60 ksi
e
0.05
Ag
c
/
Kn = Pn / f
Pn
fs/fy = 0
0.04
1.2
h
h
0.03
0.25
1.0
0.02
0.01
0.50
0.8
0.75
0.6
1.0
0.4
t = 0.003
t = 0.00405
t = 0.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
0.35
0.40
0.45
0.50
1.8
1.6
h
INTERACTION DIAGRAM R5-60.6
f /c = 5 ksi
g = 0.08
h
fy = 60 ksi
 = 0.6
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.25
0.6
0.50
0.75
0.4

t t = 0.0
= 0. 035
0
t
= 0. 040
005
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
1.8
1.6
h
INTERACTION DIAGRAM R5-60.7
f /c = 5 ksi
g = 0.08
h
fy = 60 ksi
 = 0.7
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
0.04
fs/fy = 0
0.03
0.02
c
Ag
1.0
Kn = Pn / f
/
0.25
0.01
0.8
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0
t
t = = 0.0035
t = 0.0040
0.005
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
1.8
1.6
h
INTERACTION DIAGRAM R5-60.8
f /c = 5 ksi
h
fy = 60 ksi
g = 0.08
 = 0.8
0.07
1.4
Kmax
0.06
e
0.05
1.2
Pn
0.04
fs/fy = 0
1.0
c
Ag
0.03
0.02
Kn = Pn / f
/
0.25
0.01
0.8
0.50
0.6
0.75
0.4
1.0
t = 0.0
t = 0.004035
t = 0.005 0
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
Rn = Pn e / f / c Ag h
1.8
1.6
g = 0.08
h
fy = 60 ksi
 = 0.9
0.07
1.4
h
INTERACTION DIAGRAM R5-60.9
f /c = 5 ksi
Kmax
0.06
e
0.05
1.2
0.04
Pn
fs/fy = 0
0.03
0.02
0.25
Kn = Pn / f
/
c
Ag
1.0
0.01
0.8
0.50
0.6
0.75
1.0
0.4
t = 0.0035
t = 0.004
t = 0.005 0
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
Rn = Pn e / f / c Ag h
0.30
0.35
0.40
0.45
1.6
1.4
h
INTERACTION DIAGRAM R6-60.6
f /c = 6 ksi
g = 0.08
h
fy = 60 ksi
0.07
 = 0.6
0.06
1.2
Kmax
0.05
e
0.04
Pn
0.03
1.0
0.02
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.01
0.8
0.25
0.6
0.50
0.4
0.75

t t = 0.0
= 0. 035
0
t
= 0. 040
005
0.2
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250 0.275
Rn = Pn e / f / c Ag h
1.6
1.4
g = 0.08
0.07
h
fy = 60 ksi
 = 0.7
Kmax
0.06
1.2
h
INTERACTION DIAGRAM R6-60.7
f /c = 6 ksi
0.05
e
Pn
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.25
0.6
0.50
0.75
0.4
0.2
0.0
0.00
1.0

t =t = 0.0035
t = 0.0040
0.005
0.05
0.10
0.15
Rn = Pn e / f / c Ag h
0.20
0.25
0.30
1.6
g = 0.08
1.4
h
fy = 60 ksi
 = 0.8
0.07
Kmax
0.06
1.2
h
INTERACTION DIAGRAM R6-60.8
f /c = 6 ksi
0.05
e
Pn
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.25
0.50
0.6
0.75
0.4
1.0
 t
t = =0 0.0035
.0
t = 0 040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
h
g = 0.08
INTERACTION DIAGRAM R6-60.9
f /c = 6 ksi
0.07
 = 0.9
0.06
Kmax
0.35
Rn = Pn e / f / c Ag h
1.6
1.4
1.2
h
fy = 60 ksi
0.05
e
Pn
0.04
1.0
fs/fy = 0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.25
0.01
0.50
0.6
0.75
0.4
1.0
 t =
t = 0 0.0035
t = 0 .0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
0.40
1.6
1.4
h
INTERACTION DIAGRAM R9-75.6
f /c = 9 ksi
h
fy = 75 ksi
 = 0.6
g = 0.08
0.07
1.2
0.06
Kmax
0.05
Pn
e
0.04
1.0
0.03
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
fs/fy = 0
0.6
0.25
0.4
0.50

 t = 0
t t = 0.00.0038
= 0.
005 40
0.2
0.75
1.0
0.0
0.000
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM R9-75.7
f /c = 9 ksi
h
fy = 75 ksi
1.4
 = 0.7
g = 0.08
1.2
0.07
0.06
Kmax
e
Pn
0.05
1.0
0.04
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
fs/fy = 0
0.6
0.25
0.50
0.4
0.2
0.75

 t=
t t = 0.00.0038
= 0.
005 040
0
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM R9-75.8
f /c = 9 ksi
h
fy = 75 ksi
1.4
 = 0.8
g = 0.08
0.07
1.2
Kmax
0.06
Pn
e
0.05
1.0
0.04
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
fs/fy = 0
0.25
0.6
0.50
0.4
0.75

 t = 0
t t = 0.0.0038
= 0. 040
005
0
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM R9-75.9
/
f c = 9 ksi
h
fy = 75 ksi
1.4
g = 0.08
 = 0.9
0.07
1.2
0.06
Kmax
e
Pn
0.05
1.0
0.04
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
fs/fy = 0
0.01
0.25
0.6
0.50
0.4
0.75
t = 0.0038
t = 0.0
0
t = 0.00504
0
0.2
0.0
0.00
0.05
0.10
1.0
0.15
Rn = Pn e / f
0.20
/
c
Ag h
0.25
0.30
1.4
1.2
h
INTERACTION DIAGRAM R12-75.6
f /c = 12 ksi
h
fy = 75 ksi
g = 0.08
 = 0.6
0.07
0.06
0.05
1.0
Kmax
0.04
Pn
e
0.03
0.02
0.01
Kn = Pn / f
/
c
Ag
0.8
fs/fy = 0
0.6
0.25
0.4
0.50

 t =
t t = 0.00.0038
= 0.
005 040
0
0.2
0.0
0.000
0.025
0.050
0.75
1.0
0.075
0.100
0.125
0.150
0.175
Rn = Pn e / f / c Ag h
1.4
1.2
h
INTERACTION DIAGRAM R12-75.7
f /c = 12 ksi
h
fy = 75 ksi
g = 0.08
 = 0.7
0.07
0.06
0.05
1.0
Kmax
Pn
e
0.04
0.03
0.02
0.01
Ag
0.8
Kn = Pn / f
/
c
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
0.0
0.000
0.75

 t = 0
t t = 0.0 .0038
0
= 0.
005 40
0
0.025
0.050
0.075
1.0
0.100
Rn = Pn e / f
0.125
/
c
Ag h
0.150
0.175
0.200
1.4
1.2
h
INTERACTION DIAGRAM R12-75.8
f /c = 12 ksi
h
fy = 75 ksi
g = 0.08
 = 0.8
0.07
0.06
0.05
1.0
Kmax
0.04
Pn
e
0.03
0.02
0.01
Ag
0.8
Kn = Pn / f
/
c
fs/fy = 0
0.6
0.25
0.50
0.4
0.75

 t = 0.0
t =t = 0.004038
0.005 0
0
0.2
0.0
0.000
0.025
0.050
0.075
0.100
1.0
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.4
1.2
h
INTERACTION DIAGRAM R12-75.9
f /c = 12 ksi
g = 0.08
0.07
h
fy = 75 ksi
 = 0.9
0.06
0.05
1.0
0.04
Kmax
e
Pn
0.03
0.02
0.01
0.8
Kn = Pn / f
/
c
Ag
fs/fy = 0
0.6
0.25
0.50
0.4
0.75
0.2
t
038
t == 0.0
040
t = 0.00.0
050
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
1.8
g = 0.08
INTERACTION DIAGRAM L3-60.6
f /c = 3 ksi
0.07
 = 0.6
h
h
fy = 60 ksi
Kmax
0.06
e
Pn
0.05
1.6
0.04
Ag
1.4
c
/
Kn = Pn / f
fs/fy = 0
0.03
1.2
0.02
0.25
1.0
0.01
0.8
0.50
0.6
0.75
0.4

 t = 0.0
t t = 0.00035
= 0.
005 4
0.2
1.0
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60
Rn = Pn e / f / c Ag h
2.4
INTERACTION DIAGRAM L3-60.7
f /c = 3 ksi
g = 0.08
2.2
h
h
fy = 60 ksi
 = 0.7
0.07
2.0
Kmax
0.06
1.8
e
Pn
0.05
1.6
0.04
Kn = Pn / f
/
c
Ag
1.4
fs/fy = 0
0.03
1.2
0.02
0.25
1.0
0.01
0.50
0.8
0.6
0.4
0.2
0.0
0.0
0.75
 t =
t 0.0035
t ==0 0.004
.005
0.1
1.0
0.2
0.3
0.4
Rn = Pn e / f / c Ag h
0.5
0.6
0.7
2.4
h
INTERACTION DIAGRAM L3-60.8
f /c = 3 ksi
g = 0.08
2.2
h
fy = 60 ksi
0.07
 = 0.8
2.0
Kmax
0.06
1.8
e
0.05
Pn
1.6
0.04
Kn = Pn / f
/
c
Ag
1.4
1.2
1.0
fs/fy = 0
0.03
0.02
0.25
0.01
0.50
0.8
0.6
0.75
0.4
1.0
t = 0.0035
t 0.004
t ==0.0
05
0.2
0.0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
1.8
fy = 60 ksi
Kmax
0.05
e
Pn
0.04
c
fs/fy = 0
0.03
1.2
0.02
1.0
Ag
h
h
 = 0.9
0.06
1.4
/
INTERACTION DIAGRAM L3-60.9
f /c = 3 ksi
0.07
Kn = Pn / f
1.6
g = 0.08
0.25
0.01
0.50
0.8
0.75
0.6
0.4
0.2
0.0
0.0
1.0
t = 0.0035
t = 0.004
t = 0.005
0.1
0.2
0.3
0.4
0.5
Rn = Pn e / f / c Ag h
0.6
0.7
0.8
0.9
2.0
1.8
INTERACTION DIAGRAM L4-60.6
f /c = 4 ksi
g = 0.08
fy = 60 ksi
 = 0.6
0.07
1.6
1.4
h
h
Kmax
0.06
e
0.05
Pn
0.04
1.2
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.03
1.0
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4

tt = 0.00
t = 0.00435
= 0.
005
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Rn = Pn e / f / c Ag h
2.0
g = 0.08
INTERACTION DIAGRAM L4-60.7
f /c = 4 ksi
0.07
 = 0.7
1.8
1.6
1.4
h
h
fy = 60 ksi
Kmax
0.06
e
0.05
Pn
0.04
Kn = Pn / f
/
c
Ag
1.2
1.0
fs/fy = 0
0.03
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4
 t
t == 0.0035
t = 0 0.004
.005
0.2
0.0
0.00
0.05
0.10
0.15
1.0
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
0.35
0.40
0.45
0.50
0.55
2.0
g = 0.08
INTERACTION DIAGRAM L4-60.8
f /c = 4 ksi
0.07
 = 0.8
1.8
1.6
1.4
h
h
fy = 60 ksi
Kmax
0.06
e
0.05
Pn
0.04
Kn = Pn / f
/
c
Ag
1.2
1.0
fs/fy = 0
0.03
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4
1.0
t = 0.003
t = 0.004 5
t = 0.005
0.2
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60
Rn = Pn e / f / c Ag h
2.0
g = 0.08
1.8
0.07
1.6
0.06
h
INTERACTION DIAGRAM L4-60.9
f /c = 4 ksi
h
fy = 60 ksi
 = 0.9
Kmax
e
0.05
Pn
1.4
0.04
Kn = Pn / f
/
c
Ag
1.2
1.0
fs/fy = 0
0.03
0.02
0.25
0.01
0.8
0.50
0.6
0.4
0.2
0.75
1.0
t = 0.0035
t = 0.00
t = 0.0054
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70
Rn = Pn e / f / c Ag h
1.8
1.6
INTERACTION DIAGRAM L5-60.6
f /c = 5 ksi
h
h
fy = 60 ksi
g = 0.08
 = 0.6
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
0.04
0.03
fs/fy = 0
0.02
Kn = Pn / f
/
c
Ag
1.0
0.01
0.8
0.25
0.6
0.50
0.4
0.75

 t = 0.0
t t = 0.00035
= 0.
005 4
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
0.35
0.40
Rn = Pn e / f / c Ag h
1.8
1.6
INTERACTION DIAGRAM L5-60.7
f /c = 5 ksi
g = 0.08
h
h
fy = 60 ksi
 = 0.7
0.07
1.4
Kmax
0.06
e
0.05
1.2
0.04
0.03
fs/fy = 0
0.02
Kn = Pn / f
/
c
Ag
1.0
Pn
0.01
0.25
0.8
0.50
0.6
0.75
0.4
 t =
t = 0.0035
t = 0 0.004
.005
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
0.25
Rn = Pn e / f / c Ag h
0.30
0.35
0.40
0.45
1.8
1.6
INTERACTION DIAGRAM L5-60.8
f /c = 5 ksi
g = 0.08
fy = 60 ksi
 = 0.8
0.07
1.4
h
h
Kmax
0.06
e
0.05
1.2
0.04
0.03
fs/fy = 0
0.02
Kn = Pn / f
/
c
Ag
1.0
Pn
0.25
0.01
0.8
0.50
0.6
0.75
0.4
t = 0.0035
t = 0.004
t = 0.005
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
Rn = Pn e / f / c Ag h
1.8
1.6
INTERACTION DIAGRAM L5-60.9
f /c = 5 ksi
g = 0.08
fy = 60 ksi
 = 0.9
0.07
1.4
h
h
0.06
Kmax
e
0.05
1.2
0.04
fs/fy = 0
0.03
0.02
0.25
Kn = Pn / f
/
c
Ag
1.0
Pn
0.01
0.8
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0
t = 0.0035
t = 0.004
t = 0.0
05
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
0.35
0.40
0.45
0.50
0.55
1.6
1.4
h
INTERACTION DIAGRAM L6-60.6
f /c = 6 ksi
h
fy = 60 ksi
g = 0.08
 = 0.6
0.07
Kmax
0.06
1.2
e
0.05
Pn
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
fs/fy = 0
0.01
0.25
0.6
0.50
0.4
0.75
t
t = 0.00
t = 0.00 35
= 0.
005 4
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
INTERACTION DIAGRAM L6-60.7
f /c = 6 ksi
h
Rn = Pn e / f
1.6
g = 0.08
1.4
c
0.35
Ag h
h
fy = 60 ksi
 = 0.7
0.07
Kmax
0.06
1.2
/
0.05
e
Pn
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.25
0.6
0.50
0.75
0.4
0.2
0.0
0.00
1.0
t =
 0.0035
t =t 0= 0.004
.005
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
0.40
1.6
1.4
1.2
g = 0.08
INTERACTION DIAGRAM L6-60.8
f /c = 6 ksi
0.07
 = 0.8
0.06
Kmax
h
h
fy = 60 ksi
0.05
Pn
e
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.25
0.6
0.50
0.75
0.4
0.2
0.0
0.00
1.0
t = 0.0035
t = 0.0
t = 0.00504
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Rn = Pn e / f / c Ag h
1.6
g = 0.08
1.4
h
h
fy = 60 ksi
 = 0.9
0.07
0.06
1.2
INTERACTION DIAGRAM L6-60.9
f /c = 6 ksi
Kmax
0.05
e
Pn
0.04
1.0
0.03
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.02
0.01
0.8
0.25
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0
t = 0.0035
t = 0.004
t = 0.005
0.05
0.10
0.15
0.20
0.25
Rn = Pn e / f
0.30
/
c
Ag h
0.35
0.40
0.45
0.50
1.6
1.4
INTERACTION DIAGRAM L9-75.6
f /c = 9 ksi
h
h
fy = 75 ksi
 = 0.6
g = 0.08
0.07
1.2
0.06
Kmax
0.05
e
Pn
0.04
1.0
0.03
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
fs/fy = 0
0.6
0.25
0.4
0.50

 t = 0.0
t =t = 0.000438
0.005
0.2
0.75
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.6
INTERACTION DIAGRAM L9-75.7
f /c = 9 ksi
h
h
fy = 75 ksi
1.4
 = 0.7
g = 0.08
0.07
1.2
Kmax
0.06
e
Pn
0.05
1.0
0.04
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
fs/fy = 0
0.6
0.25
0.50
0.4
0.2
0.0
0.00
0.75
t
 = 0.0
t =t = 0.000438
0.005
0.05
0.10
1.0
0.15
Rn = Pn e / f / c Ag h
0.20
0.25
0.30
1.6
INTERACTION DIAGRAM L9-75.8
f /c = 9 ksi
h
h
fy = 75 ksi
1.4
 = 0.8
g = 0.08
0.07
1.2
0.06
Kmax
e
Pn
0.05
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
fs/fy = 0
0.25
0.6
0.50
0.4
0.75
t
 = 0.0038
t =t 0= 0.004
.005
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
0.35
Rn = Pn e / f / c Ag h
1.6
1.4
INTERACTION DIAGRAM L9-75.9
f /c = 9 ksi
h
h
fy = 75 ksi
 = 0.9
g = 0.08
0.07
1.2
0.06
Kmax
e
Pn
0.05
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
fs/fy = 0
0.01
0.25
0.6
0.50
0.4
0.75
t
 = 0.00
t =t = 0.00438
0.005
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
0.40
1.4
1.2
INTERACTION DIAGRAM L12-75.6
f /c = 12 ksi
h
h
fy = 75 ksi
g = 0.08
 = 0.6
0.07
0.06
0.05
1.0
Kmax
0.04
Pn
e
0.03
0.02
0.01
Kn = Pn / f
/
c
Ag
0.8
fs/fy = 0
0.6
0.25
0.4
0.50

 t = 0
t t = 0.0.0038
= 0.
0
005 4
0.2
0.75
1.0
0.0
0.000
0.025
0.050
0.075
0.100
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.4
1.2
INTERACTION DIAGRAM L12-75.7
/
f c = 12 ksi
g = 0.08
h
h
fy = 75 ksi
 = 0.7
0.07
0.06
0.05
1.0
Kmax
0.04
e
Pn
0.03
0.02
0.01
c
Ag
0.8
Kn = Pn / f
/
fs/fy = 0
0.6
0.25
0.4
0.2
0.50
0.75
 t
t = 0.0038
t = 0= 0.004
.005
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM L12-75.8
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
g = 0.08
 = 0.8
0.07
0.06
1.0
Kmax
0.05
e
Pn
0.04
0.03
0.02
0.01
Ag
0.8
Kn = Pn / f
/
c
fs/fy = 0
0.6
0.25
0.50
0.4
0.75
t = 0.0038
t = 0.004
t = 0.00
5
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM L12-75.9
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
g = 0.08
 = 0.9
0.07
0.06
1.0
Kmax
0.05
e
Pn
0.04
0.03
0.02
0.8
0.01
Kn = Pn / f
/
c
Ag
fs/fy = 0
0.6
0.25
0.50
0.4
0.75
t = 0.0038
t = 0.004
t = 0.005
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
2.4
INTERACTION DIAGRAM C3-60.6
/
f c = 3 ksi
g = 0.08
2.2
h
h
fy = 60 ksi
0.07
 = 0.6
2.0
Kmax
0.06
1.8
e
0.05
Pn
1.6
0.04
fs/fy = 0
1.4
Kn = Pn / f
/
c
Ag
0.03
1.2
1.0
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4
0.2
0.0
0.00


 t = 0 .0
t = 0 03
5
t = 0 .0 0 4
.0 0
5
0.05
1.0
0.10
0.15
0.20
0.25
0.30
INTERACTION DIAGRAM C3-60.7
/
f c = 3 ksi
h
0.35
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
0.07
1.8
0.06
1.6
0.05
1.4
0.04
Ag
c
/
Kn = Pn / f
g = 0.08
1.2
h
fy = 60 ksi
 = 0.7
Kmax
e
Pn
fs/fy = 0
0.03
0.25
0.02
1.0
0.50
0.01
0.8
0.75
0.6
0.4
0.2
0.0
0.00
t
t = 0.00
t = 0.0 35
= 0 04
.00
5
0.05
0.10
1.0
0.15
0.20
Rn = Pn e / f
0.25
/
c
Ag h
0.30
0.35
0.40
2.4
g = 0.08
INTERACTION DIAGRAM C3-60.8
f /c = 3 ksi
0.07
 = 0.8
2.2
2.0
h
h
fy = 60 ksi
Kmax
0.06
1.8
0.05
1.6
c
1.0
/
fs/fy = 0
0.04
0.25
0.03
1.2
Kn = Pn / f
Ag
1.4
Pn
e
0.02
0.50
0.01
0.8
0.75
0.6
1.0
0.4
t =
t = 0.0035
t = 0.004
0.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
g = 0.08
INTERACTION DIAGRAM C3-60.9
f /c = 3 ksi
0.07
 = 0.9
h
h
fy = 60 ksi
Kmax
0.06
1.8
e
Pn
fs/fy = 0
0.05
1.6
0.04
Kn = Pn / f
/
c
Ag
1.4
0.25
0.03
1.2
0.02
0.50
1.0
0.01
0.75
0.8
0.6
1.0
0.4
0.2
0.0
0.00
t = 0.0
t = 0.00035
t = 0.0054
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f
/
0.35
c Ag h
0.40
0.45
0.50
0.55
2.0
INTERACTION DIAGRAM C4-60.6
f /c = 4 ksi
g = 0.08
1.8
1.6
1.4
h
h
fy = 60 ksi
0.07
 = 0.6
0.06
Kmax
e
0.05
Pn
0.04
Kn = Pn / f
/
c
Ag
1.2
1.0
fs/fy = 0
0.03
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4
t
=0
t
.00
35
=
t
= 0 0.004
.00
5
0.2
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250 0.275
Rn = Pn e / f / c Ag h
2.0
1.8
INTERACTION DIAGRAM C4-60.7
f /c = 4 ksi
h
h
fy = 60 ksi
g = 0.08
 = 0.7
1.6
0.07
Kmax
0.06
e
1.4
Pn
0.05
fs/fy = 0
1.2
0.04
1.0
0.25
0.02
Kn = Pn / f
/
c
Ag
0.03
0.01
0.8
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0
t
=
t 0.0035
= 0.
t
004
= 0.
0 05
0.05
0.10
0.15
Rn = Pn e / f
0.20
/
c
Ag h
0.25
0.30
0.35
2.0
1.8
INTERACTION DIAGRAM C4-60.8
f /c = 4 ksi
g = 0.08
h
h
fy = 60 ksi
 = 0.8
0.07
1.6
Kmax
0.06
1.4
e
0.05
Pn
fs/fy = 0
0.04
1.2
Kn = Pn / f
/
c
Ag
0.03
1.0
0.25
0.02
0.50
0.01
0.8
0.75
0.6
1.0
0.4
0.2
0.0
0.00
 t =
t = 00.0035
t = 0 .004
.005
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
Rn = Pn e / f / c Ag h
2.0
1.8
1.6
1.4
g = 0.08
INTERACTION DIAGRAM C4-60.9
f /c = 4 ksi
0.07
 = 0.9
h
h
fy = 60 ksi
Kmax
0.06
e
fs/fy = 0
0.05
Pn
0.04
1.2
0.25
Kn = Pn / f
/
c
Ag
0.03
1.0
0.02
0.50
0.01
0.8
0.75
0.6
1.0
0.4
 t = 0
.0
t = 0 035
.004
 t = 0
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
Rn = Pn e / f
0.25
/
c
Ag h
0.30
0.35
0.40
1.8
1.6
INTERACTION DIAGRAM C5-60.6
f /c = 5 ksi
g = 0.08
fy = 60 ksi
 = 0.6
0.07
1.4
h
h
Kmax
0.06
1.2
0.04
0.03
Ag
1.0
fs/fy = 0
0.02
c
0.01
/
Kn = Pn / f
Pn
e
0.05
0.25
0.8
0.6
0.50
0.4
0.75
t
=
t 0.0035
= 0.
004
t
= 0.
005
0.2
0.0
0.000
0.025
0.050
1.0
0.075
0.100
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.8
1.6
INTERACTION DIAGRAM C5-60.7
f /c = 5 ksi
g = 0.08
h
h
fy = 60 ksi
 = 0.7
0.07
1.4
Kmax
0.06
1.2
e
0.05
/
Kn = Pn / f
fs/fy = 0
0.03
0.02
c
Ag
0.04
1.0
Pn
0.25
0.8
0.01
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0

t t== 0.0035
t = 0.004
0.005
0.05
0.10
0.15
Rn = Pn e / f
0.20
/
c
Ag h
0.25
0.30
1.8
1.6
INTERACTION DIAGRAM C5-60.8
f /c = 5 ksi
g = 0.08
h
h
fy = 60 ksi
 = 0.8
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
fs/fy = 0
0.04
1.0
0.03
0.25
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.50
0.6
0.75
0.4
1.0
 t = 0
.0
 t = 0 0 3 5
.004
 t = 0
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
1.8
1.6
INTERACTION DIAGRAM C5-60.9
f /c = 5 ksi
h
h
fy = 60 ksi
g = 0.08
 = 0.9
0.07
1.4
Kmax
0.06
e
0.05
1.2
Pn
fs/fy = 0
0.04
0.03
1.0
0.25
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.50
0.75
0.6
1.0
0.4
 t = 0
.0
 t = 0 0 3 5
.0
t = 0 04
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
1.6
g = 0.08
1.4
INTERACTION DIAGRAM C6-60.6
f /c = 6 ksi
fy = 60 ksi
 = 0.6
0.07
0.06
1.2
h
h
Kmax
0.05
Pn
e
0.04
0.03
1.0
0.02
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.01
0.8
0.25
0.6
0.50
0.4
0.75
t
t = 0.0
03
=
t
= 0 0.004 5
.00
5
0.2
0.0
0.000
0.025
0.050
1.0
0.075
0.100
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.6
g = 0.08
1.4
0.07
INTERACTION DIAGRAM C6-60.7
/
f c = 6 ksi
fy = 60 ksi
 = 0.7
0.06
1.2
h
h
Kmax
0.05
e
0.04
Pn
0.03
1.0
fs/fy = 0
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
0.25
0.6
0.50
0.75
0.4
0.2
1.0
t
=
t 0.0035
= 0.
t
004
= 0.
005
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f
/
c
Ag h
1.6
1.4
INTERACTION DIAGRAM C6-60.8
f /c = 6 ksi
g = 0.08
0.07
fy = 60 ksi
 = 0.8
Kmax
0.06
1.2
Pn
e
0.05
0.04
1.0
h
h
fs/fy = 0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
0.25
0.01
0.50
0.6
0.75
0.4
1.0
0.2
0.0
0.00
 t = 0
.0
 t = 0 0 3 5
.004
 t = 0
.005
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
1.6
1.4
g = 0.08
0.07
INTERACTION DIAGRAM C6-60.9
f /c = 6 ksi
fy = 60 ksi
 = 0.9
Kmax
0.06
1.2
0.05
e
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
Pn
fs/fy = 0
0.04
1.0
h
h
0.25
0.01
0.50
0.6
0.75
1.0
0.4
0.2
0.0
0.00
t = 0.0035
t = 0.004
t = 0.005
0.05
0.10
0.15
Rn = Pn e / f / c Ag h
0.20
0.25
0.30
1.6
INTERACTION DIAGRAM C9-75.6
f /c = 9 ksi
h
h
fy = 75 ksi
1.4
 = 0.6
g = 0.08
0.07
1.2
Kmax
0.06
Pn
e
0.05
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.01
0.8
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
0.0
0.000
0.75
t =
0
t t = 0.0 .0038
0
= 0.
005 4
0.025
0.050
1.0
0.075
0.100
0.125
0.150
Rn = Pn e / f / c Ag h
1.6
INTERACTION DIAGRAM C9-75.7
f /c = 9 ksi
h
h
fy = 75 ksi
1.4
g = 0.08
 = 0.7
0.07
1.2
Kmax
0.06
e
Pn
0.05
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.01
0.8
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
0.0
0.000
0.75
t
t = 0.00
=
38
t
= 0 0.004
.00
5
0.025
0.050
0.075
1.0
0.100
Rn = Pn e / f / c Ag h
0.125
0.150
0.175
1.6
1.4
INTERACTION DIAGRAM C9-75.8
f /c = 9 ksi
h
h
fy = 75 ksi
 = 0.8
g = 0.08
0.07
1.2
0.06
Kmax
e
0.05
Pn
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.01
fs/fy = 0
0.8
0.25
0.6
0.50
0.4
0.75
t =
0.00

t =t = 0.00 38
0.005 4
0.2
0.0
0.000
0.025
0.050
1.0
0.075
0.100
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.6
INTERACTION DIAGRAM C9-75.9
f /c = 9 ksi
h
h
fy = 75 ksi
1.4
 = 0.9
g = 0.08
1.2
0.07
0.06
Kmax
e
Pn
0.05
1.0
0.04
Kn = Pn / f
/
c
Ag
0.03
fs/fy = 0
0.02
0.8
0.01
0.25
0.6
0.50
0.4
0.2
0.75
1.0
t = 0
t = .0038
t = 0 0.004
.005
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM C12-75.6
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
 = 0.6
g = 0.08
0.07
0.06
1.0
Kmax
0.05
Pn
e
0.04
0.03
0.02
0.01
Kn = Pn / f
/
c
Ag
0.8
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
t
0.0
0.000
0.025

t t = 0.
= 0 0 03
.00 8
=0
4
. 00
5
0.050
0.75
1.0
0.075
0.100
0.125
0.150
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM C12-75.7
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
g = 0.08
 = 0.7
0.07
0.06
1.0
Kmax
0.05
Pn
e
0.04
0.03
0.02
0.01
Ag
0.8
Kn = Pn / f
/
c
fs/fy = 0
0.6
0.25
0.4
0.50
0.0
0.000
0.75

t t = 0.
= 0 003
t
. 00 8
=0
4
. 00
5
0.2
0.025
0.050
1.0
0.075
Rn = Pn e / f / c Ag h
0.100
0.125
0.150
1.4
INTERACTION DIAGRAM C12-75.8
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
 = 0.8
g = 0.08
0.07
0.06
Kmax
0.05
1.0
Pn
e
0.04
0.03
0.02
0.01
0.8
Kn = Pn / f
/
c
Ag
fs/fy = 0
0.6
0.25
0.50
0.4
0.75

t t = 0.
= 0 003
t
.00 8
=0
4
. 00
5
0.2
0.0
0.000
0.025
0.050
1.0
0.075
0.100
0.125
0.150
0.175
Rn = Pn e / f / c Ag h
1.4
1.2
INTERACTION DIAGRAM C12-75.9
/
f c = 12 ksi
h
h
fy = 75 ksi
g = 0.08
 = 0.9
0.07
0.06
0.05
1.0
Kmax
Pn
e
0.04
0.03
0.02
0.01
0.8
Kn = Pn / f
/
c
Ag
fs/fy = 0
0.25
0.6
0.50
0.4
0.75
t
0.2
0.0
0.000
0.025

t t = 0.
= 0 003
.00 8
=0
4
.00
5
0.050
1.0
0.075
0.100
0.125
Rn = Pn e / f / c Ag h
0.150
0.175
0.200
2.4
2.2
h
fy = 60 ksi
 = 0.6
0.07
Kmax
0.06
1.6
0.05
1.4
0.04
e
Pn
fs/fy = 0
c
0.03
1.2
1.0
/
g = 0.08
1.8
Kn = Pn / f
Ag
2.0
h
INTERACTION DIAGRAM S3-60.6
/
f c = 3 ksi
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4

t t = 0
t = 0.0.0035
= 0 04
. 00 0
5
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
INTERACTION DIAGRAM S3-60.7
/
f c = 3 ksi
h
0.35
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
g = 0.08
h
fy = 60 ksi
 = 0.7
0.07
Kmax
1.8
0.06
1.6
0.05
Kn = Pn / f
/
c
Ag
1.4
1.2
e
Pn
fs/fy = 0
0.04
0.03
0.25
0.02
1.0
0.01
0.50
0.8
0.75
0.6
0.4
t
= 0.
t
003
t = 0.00 5
4
= 0.
005 0
0.2
0.0
0.00
0.05
0.10
1.0
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
0.40
2.4
2.2
2.0
g = 0.08
INTERACTION DIAGRAM S3-60.8
/
f c = 3 ksi
0.07
 = 0.8
h
h
fy = 60 ksi
Kmax
1.8
1.6
0.06
e
Pn
0.05
fs/fy = 0
0.04
Kn = Pn / f
/
c
Ag
1.4
0.03
0.25
1.2
0.02
1.0
0.50
0.01
0.8
0.75
0.6
1.0
0.4
 t = 0
t = 0 .0035
.0
t = 0 040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
Rn = Pn e / f / c Ag h
2.4
2.2
2.0
1.8
h
INTERACTION DIAGRAM S3-60.9
f /c = 3 ksi
g = 0.08
h
fy = 60 ksi
 = 0.9
0.07
Kmax
0.06
e
0.05
Pn
fs/fy = 0
1.6
0.04
Kn = Pn / f
/
c
Ag
1.4
0.25
0.03
1.2
0.02
0.50
1.0
0.01
0.8
0.75
0.6
1.0
0.4
 t = 0
t = 0 .0035
.0040
 t = 0
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f
/
c
Ag h
0.35
0.40
0.45
0.50
0.55
2.0
1.8
1.6
h
INTERACTION DIAGRAM S4-60.6
f /c = 4 ksi
g = 0.08
h
fy = 60 ksi
 = 0.6
0.07
Kmax
0.06
1.4
1.2
e
Pn
0.05
0.04
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.03
1.0
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4

t t = 0
.
t = 0.000035
4
=0
.00 0
5
0.2
0.0
0.00
0.05
1.0
0.10
0.15
0.20
0.25
0.30
Rn = Pn e / f / c Ag h
2.0
1.8
g = 0.08
h
INTERACTION DIAGRAM S4-60.7
f /c = 4 ksi
h
fy = 60 ksi
 = 0.7
0.07
Kmax
1.6
0.06
e
1.4
Pn
0.05
fs/fy = 0
0.04
1.2
Kn = Pn / f
/
c
Ag
0.03
1.0
0.25
0.02
0.01
0.8
0.50
0.6
0.75
0.4
t
0.2
0.0
0.00
0.05
1.0

t t = 0.0
= 0. 035
= 0. 0040
005
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
2.0
1.8
h
INTERACTION DIAGRAM S4-60.8
f /c = 4 ksi
g = 0.08
h
fy = 60 ksi
 = 0.8
0.07
1.6
Kmax
0.06
1.4
e
Pn
0.05
fs/fy = 0
0.04
1.2
Kn = Pn / f
/
c
Ag
0.03
0.25
1.0
0.02
0.01
0.50
0.8
0.75
0.6
1.0
0.4
 t =
t = 0 0.0035
.0
 t = 0 0 4 0
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
Rn = Pn e / f / c Ag h
2.0
1.8
1.6
1.4
g = 0.08
INTERACTION DIAGRAM S4-60.9
f /c = 4 ksi
0.07
 = 0.9
h
h
fy = 60 ksi
Kmax
0.06
e
0.05
Pn
fs/fy = 0
0.04
1.2
Kn = Pn / f
/
c
Ag
0.03
1.0
0.25
0.02
0.50
0.01
0.8
0.75
0.6
1.0
0.4
 t = 0
t = 0 .0035
t = 0.0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
Rn = Pn e / f / c Ag h
0.30
0.35
0.40
0.45
1.8
1.6
g = 0.08
h
fy = 60 ksi
 = 0.6
0.07
1.4
h
INTERACTION DIAGRAM S5-60.6
f /c = 5 ksi
Kmax
0.06
1.2
Pn
e
0.05
0.04
0.03
Ag
1.0
fs/fy = 0
0.02
Kn = Pn / f
/
c
0.01
0.25
0.8
0.50
0.6
0.75
0.4

t t = 0.0
t = 0.00 035
=0
4
. 00 0
5
0.2
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.8
1.6
g = 0.08
0.07
1.4
h
INTERACTION DIAGRAM S5-60.7
f /c = 5 ksi
h
fy = 60 ksi
 = 0.7
Kmax
0.06
e
Pn
0.05
1.2
0.04
fs/fy = 0
0.03
1.0
Ag
0.02
Kn = Pn / f
/
c
0.25
0.8
0.01
0.50
0.6
0.75
0.4
0.2
0.0
0.00
1.0

t t = 0.00
= 0.
0 35
t
= 0. 040
005
0.05
0.10
0.15
Rn = Pn e / f / c Ag h
0.20
0.25
0.30
1.8
1.6
h
INTERACTION DIAGRAM S5-60.8
f /c = 5 ksi
g = 0.08
h
fy = 60 ksi
 = 0.8
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
fs/fy = 0
0.04
0.03
1.0
0.25
Kn = Pn / f
/
c
Ag
0.02
0.8
0.01
0.50
0.6
0.75
0.4
1.0
 t = 0
t = 0 .0035
t = 0 .0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
Rn = Pn e / f / c Ag h
1.8
1.6
h
INTERACTION DIAGRAM S5-60.9
f /c = 5 ksi
g = 0.08
h
fy = 60 ksi
 = 0.9
0.07
1.4
Kmax
0.06
e
Pn
0.05
1.2
fs/fy = 0
0.04
0.03
0.25
0.02
Kn = Pn / f
/
c
Ag
1.0
0.01
0.8
0.50
0.75
0.6
1.0
0.4
 t =
t = 0.0035
t = 00.0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
1.6
1.4
g = 0.08
INTERACTION DIAGRAM S6-60.6
f /c = 6 ksi
0.07
 = 0.6
fy = 60 ksi
0.06
1.2
h
h
Kmax
0.05
e
0.04
Pn
0.03
1.0
0.02
fs/fy = 0
Kn = Pn / f
/
c
Ag
0.01
0.8
0.25
0.6
0.50
0.4
0.75
t
0.2

t t =
= 0 0. 00
.
= 0 004035
.00
5
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.6
g = 0.08
1.4
0.07
0.06
1.2
h
INTERACTION DIAGRAM S6-60.7
f /c = 6 ksi
h
fy = 60 ksi
 = 0.7
Kmax
0.05
e
0.04
Pn
0.03
1.0
fs/fy = 0
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
0.25
0.50
0.6
0.75
0.4
0.2
1.0

t t = 0.0
=
0
t 0.0040 35
= 0.
005
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250 0.275
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM S6-60.8
f /c = 6 ksi
g = 0.08
1.4
0.07
fy = 60 ksi
 = 0.8
Kmax
0.06
1.2
h
0.05
e
Pn
0.04
1.0
fs/fy = 0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.25
0.01
0.8
0.50
0.6
0.75
0.4
1.0
 t = 0
t = 0 .0035
.0
 t = 0 0 4 0
.005
0.2
0.0
0.00
0.05
0.10
0.15
Rn = Pn e / f
1.6
1.4
g = 0.08
0.07
c
0.30
Ag h
h
h
fy = 60 ksi
 = 0.9
Kmax
0.05
e
0.04
1.0
/
0.25
INTERACTION DIAGRAM S6-60.9
f /c = 6 ksi
0.06
1.2
0.20
Pn
fs/fy = 0
0.03
0.02
Kn = Pn / f
/
c
Ag
0.25
0.8
0.01
0.50
0.6
0.75
1.0
0.4
 t = 0
t = 0 .0035
t = 0 .0040
.005
0.2
0.0
0.00
0.05
0.10
0.15
0.20
Rn = Pn e / f / c Ag h
0.25
0.30
0.35
1.6
h
INTERACTION DIAGRAM S9-75.6
f /c = 9 ksi
h
fy = 75 ksi
1.4
 = 0.6
g = 0.08
0.07
1.2
0.06
Kmax
Pn
e
0.05
0.04
1.0
0.03
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
fs/fy = 0
0.6
0.25
0.4
0.50
t
0.2
0.0
0.000
0.025

t t = 0
= 0 .00
= 0 .004038
.00
5
0.050
0.075
0.75
1.0
0.100
0.125
0.150
0.175
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM S9-75.7
f /c = 9 ksi
h
fy = 75 ksi
1.4
 = 0.7
g = 0.08
0.07
1.2
0.06
Kmax
Pn
e
0.05
0.04
1.0
0.03
0.02
Kn = Pn / f
/
c
Ag
0.01
0.8
fs/fy = 0
0.6
0.25
0.50
0.4
0.2
0.0
0.000
0.75

t t = 0.0
t = = 0.004038
0.005 0
0.025
0.050
0.075
1.0
0.100
0.125
Rn = Pn e / f / c Ag h
0.150
0.175
0.200
1.6
1.4
h
INTERACTION DIAGRAM S9-75.8
f /c = 9 ksi
h
fy = 75 ksi
 = 0.8
g = 0.08
0.07
1.2
0.06
Kmax
0.05
Pn
e
0.04
1.0
0.03
Kn = Pn / f
/
c
Ag
0.02
0.01
fs/fy = 0
0.8
0.25
0.6
0.50
0.4
0.75
t
t = = 0.0038
t = 0 0.0040
.005
0.2
0.0
0.000
0.025
0.050
0.075
0.100
1.0
0.125
0.150
0.175
0.200
0.225
Rn = Pn e / f / c Ag h
1.6
h
INTERACTION DIAGRAM S9-75.9
f /c = 9 ksi
h
fy = 75 ksi
1.4
 = 0.9
g = 0.08
1.2
0.07
0.06
Kmax
e
Pn
0.05
1.0
0.04
0.03
Kn = Pn / f
/
c
Ag
0.02
0.8
fs/fy = 0
0.01
0.25
0.6
0.50
0.75
0.4
0.2

t =t =0 0.0038
.0040
 t = 0
.005
1.0
0.0
0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200 0.225 0.250
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM S12-75.6
f /c = 12 ksi
h
h
fy = 75 ksi
1.2
g = 0.08
 = 0.6
0.07
0.06
1.0
Kmax
0.05
e
Pn
0.04
0.03
0.02
0.01
Kn = Pn / f
/
c
Ag
0.8
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
0.0
0.000
t
0.025

t t = 0.00
=
3
= 0. 0. 0040 8
005
0
0.050
0.075
0.75
1.0
0.100
0.125
0.150
Rn = Pn e / f / c Ag h
1.4
INTERACTION DIAGRAM S12-75.7
/
f c = 12 ksi
h
h
fy = 75 ksi
1.2
g = 0.08
 = 0.7
0.07
0.06
1.0
Kmax
0.05
e
Pn
0.04
0.03
0.02
0.01
c
Ag
0.8
Kn = Pn / f
/
fs/fy = 0
0.6
0.25
0.4
0.50
0.2
0.0
0.000
0.75

t t = 0.0
t = 0.004038
= 0.
005 0
0.025
0.050
0.075
1.0
0.100
Rn = Pn e / f / c Ag h
0.125
0.150
0.175
1.4
h
INTERACTION DIAGRAM S12-75.8
f /c = 12 ksi
h
fy = 75 ksi
1.2
 = 0.8
g = 0.08
0.07
0.06
Kmax
0.05
1.0
Pn
e
0.04
0.03
0.02
0.01
Ag
0.8
Kn = Pn / f
/
c
fs/fy = 0
0.6
0.25
0.50
0.4
0.75
t =
t = 0.0038
t = 0.0040
0.005
0.2
0.0
0.000
0.025
0.050
0.075
1.0
0.100
0.125
0.150
0.175
0.200
Rn = Pn e / f / c Ag h
1.4
1.2
h
INTERACTION DIAGRAM S12-75.9
f /c = 12 ksi
g = 0.08
h
fy = 75 ksi
 = 0.9
0.07
0.06
0.05
1.0
Kmax
e
0.04
Pn
0.03
0.02
0.01
0.8
Kn = Pn / f
/
c
Ag
fs/fy = 0
0.25
0.6
0.50
0.4
0.75

t =t 0= 0.0038
.0040
 t = 0
.005
0.2
0.0
0.000
0.025
0.050
0.075
0.100
1.0
0.125
Rn = Pn e / f / c Ag h
0.150
0.175
0.200
0.225