Biaxial bending

The effects of biaxial bending may be checked using Expression (5.39), which was first developed by Breslaer.

where

MEdz,y = Design moment in the respective direction including second order effects in a slender column MRdzy = Moment of resistance in the respective direction a = 2 for circular and elliptical sections; refer to Table 5 for rectangular sections

Continues page 41

Figure 9a

Column design chart for rectangular columns d2 /h = 0.05

Reinforced Concrete Column Biaxial

M/bh fck

M/bh fck

Figure 9b

Column design chart for rectangular columns d2 /h = 0.10

Figure 9b

Column design chart for rectangular columns d2 /h = 0.10

Column Design Chart

Figure 9c

Column design chart for rectangular columns d2 /h = 0.15

Column Design Chart For Circular Columns
Kr =1

0.05

0.10

0.15

0.20

M/bh fCk

0.25

0.30

0.35

0.40

Figure 9d

Column design chart for rectangular columns d2 /h = 0.20

Figure 9d

Column design chart for rectangular columns d2 /h = 0.20

Biaxial Bending

Figure 9e

Column design chart for rectangular columns d2 /h = 0.25

1.3 1.2 1.1 1.0 0.9 0.8 0.7 2: 0.6 0.5 0.4 0.3 0.2 0.1 0

Boussinesq Charts

/ AJyk/bhfck

0.05

0.10

0.15

M/bhhfck

0.20

0.25

0.30

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Responses

  • brhane filmon
    How to construct a biaxial chart for rectangular co;lumn?
    5 years ago
  • stephen
    How can i read bi axial charts for column design?
    3 years ago
  • nob
    How to draw biaxial chart for column design?
    2 years ago
  • pete
    How to read biaxle chart of column?
    2 years ago
  • iines
    How to read from biaxial charts?
    1 year ago
  • annika
    How to construct design chart for columns?
    1 year ago
  • alda
    How to construct design charts eurocode?
    1 year ago
  • LEMPI
    How to read reinforced column chart?
    10 months ago
  • donna mitchell
    How to I read chart for rc column design?
    3 months ago
  • Abraham
    How to read Biaxial column interaction chart?
    2 months ago

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