Draft

14.4LateralDe
ections 257

a

a

LINTEL BENDING

RELATIONSHIP BETWEEN

WALL AND LINTEL

DEFORMATION

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w

LINTELS L D

a h

a

2 WALLS CONNECTED

BY LINTELS

Figure14.25:De
ectionin a BuildingStructureComposedof Two SlenderWallsandLintels,

(LinandStotesbury1981)

and

h (14.43)

14.4.4 Frames

43 De
ectionof a rigidframeis essentiallycausedby shearbetween storieswhich produces

verticalshearsin thegirders. Fromtheportalmethod we canestimatethosedeformations,

Fig.14.26.

44 Thedeformationforthe rststoryat theexteriorjoint canbe approximatedfrom

col =

Vcol

E

h

3

12 EIcol

E

(14.44-a)

gdr =

VgdrL

2

h

12 EIgdr

=

2 Vcol

E

Lh

2

12 EIgdr

(14.44-b)

tot

E

= 
col

E

• 
  gdr=

Vcol

E

h

2

12 E

"

h

Icol

E

• 
  

2 L

Igdr

(14.44-c)

45 For theinteriorjoint:

col =

Vcol

I

h

3

12 EIcol

I

(14.45-a)

gdr =

VgdrL

2

h

12 EIgdr

=

2 Vcol

I

Lh

2

12 EIgdr

(14.45-b)

tot

I

= 
col

I

• 
  gdr=

Vcol

I

h

2

12 E

"

h

Icol

I

• 
  

L

Igdr

(14.45-c)