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Design of RC Frames

Dr. Hamed Hadhoud

Dr. Hamed HadhoudCairo University

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Dr. Hamed HadhoudCairo University

1 .Empirical Dimensionstg

t1

t2 L

L

tg

t1

t2

tlink

tcant

cant

g

cant

link

g

g

g

tt

trialstartinga

astuseor

designfromt

Lt

cmb

tt

tt

Lt

67.0

5.0

20

40,35,30

6.0

)0.1~8.0(16~12

3

2

1

t3

3

Dr. Hamed HadhoudCairo University

Bending Moment

Negative (closing) Positive (opening)

2 .Connections’ Types

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Dr. Hamed HadhoudCairo University

Connections subjected to negative BM (Closing Joints)

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Dr. Hamed HadhoudCairo University

Connections subjected to positive BM (Opening Joints)

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Dr. Hamed HadhoudCairo University

Connections subjected to positive BM (Opening Joints)

SySu fAT /

SySu fAT /

2uT

s

yststu

fAT

2

SySu fAT /

SySu fAT /

s

ystistu

fAT

i )cos(2

i

2uT

istA

7

Dr. Hamed HadhoudCairo University

3 .Basic Connections’ reinforcement

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Dr. Hamed HadhoudCairo University

4 .Reinforcement Examples

BMD

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University

BMD

14

Dr. Hamed HadhoudCairo University

BMD

C L

>Ld

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Dr. Hamed HadhoudCairo University

BMD

C L

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

BMD

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Tension Members

>Ld

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Tension Members

>Ld

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

As

A’s

Shrinkage Bars

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Design of hinged Base

Plain concrete base

Reinforced concrete base

Lead Plate

Column

Dowels

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

YuXu

tb

b

allbb

LP

RC

c

cuallb

b

u

LP

ub

b

ffcheck

A

Aff

tb

Y

A

Yf

tplateleadofwidth

67.0

)3

(

3

Transfer of Yu

ARC

2

64

8.0

orchoose

fX

A

s

y

usd

Transfer of Xu

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Tensile stresses

tb

tb

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Tsptb

Yu/2

Yu/2

tb/2o

b

uU

s

ystU

bU

LPubu

tNGet

YTor

fANT

tT

tYtY

omomenttaking

/.....4

)2(

24242

@

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

Splitting in Closing Joints

Tu

Tu

....

)2(

4

2

Nget

fANT

FT

TF

s

ystsp

sp

u

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Dr. Hamed HadhoudCairo University Dr. Hamed HadhoudCairo University

BMD