aci code design aids
DESCRIPTION
Design Aids created by ACIaci direct design methodand equivalent frame method factorsTRANSCRIPT
DESIGN AID J.2-2
½-Middle strip
½-Middle strip
1
Column strip
Minimum of 1/4 or ( 2)A/4
Minimum of 1/4 or ( 2)B/4( 2)A
( 2)B
Page 2 of 11
DESIGN AID J.2-4
Flat Plate or Flat Slab
Flat Plate or Flat Slab with Spandrel Beams
t
Page 4 of 11
DESIGN AID J.2-4
Flat Plate or Flat Slab with End Span Integral with Wall
Flat Plate or Flat Slab with End Span Simply Supported on Wall
Page 5 of 11
DESIGN AID J.2-5
f
CC2
ha
b
beff = b + 2(a – h) b + 8h
Beam, Ib
Slab, Is
2
ha
b
Beam, Ib
Slab, Is
CL
beff = b + (a – h) b + 4h
Interior Beam Edge Beam
scs
bcbf IE
IE
cE
cc fw cw
hIs
beffeffbb yhahbhbhayhabhabI
habhb
habhahby
eff
eff
b
Page 7 of 11
DESIGN AID J.2-6
t
CC2
ha
b
beff = b + 2(a – h) b + 8h
Interior Beam
Case A
yxyx
yxyxCA
Case B
yxyx
yxyxCB
C AC BC
scs
cbt IE
CE
hIs cc fwE cw
x2x1
y1
y2y2
x2
x1
y1
y2
Page 8 of 11
2
ha
b
CL
beff = b + (a – h) b + 4h
DESIGN AID J.2-6
t
Edge Beam
Case A
yxyx
yxyxCA
Case B
yxyx
yxyxCB
C AC BC
scs
cbt IE
CE
hIs cc fwE cw
x2x1
y1
y2
x2
x1
y1
y2
Page 9 of 11
DESIGN AID J.2-7
Nc NcNFk NFC NFm
sbcsNFsb IEkK
uFN qmFEM
FN cc FN cc uqPCA Notes on ACI 318-11
Nc
Nc
Fc
Fc
Page 10 of 11