RC Tie Beam Design

8/10/2019 RC Tie Beam Design

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Plinth beam FOR SCREEN HOUSE

Beam Data

width 250 mm

depth 400 mm d' 35 mm

25 mm eff depth 365 mm

Material Grades

Concrete 25 MPa

Steel 45 MPa

Normal moment Torsional moment Equivalent moment

S!an M"ment #0 $N%m 0 $N%m #0 S!an C"nditi"n End C"nditi"n

End M"ment #0 $N%m 0 $N%m #0 1.! 1.!

"uma" 1#5 1#5

$ulim 115 115

3.%5 3.%5

Span &eam is desined as Sinl( )einforced &eam

End &eam is desined as Sinl( )einforced &eam

Span )einforcement End )einforcement

&rea "' Steel Tension *+st, Compr *+sc, &rea "' Steel Tension *+st, Compr *+sc,-ercentae !.5% / 0000000 -ercentae !.5% / 0000000

+rea of Steel 5!1 sqmm +rea of Steel 5!1 sqmm

(ensi"n Rein'"r)ement '"r s!an m"ment (ensi"n Rein'"r)ement '"r en

T(pe &ar dia Nos +rea of Steel &ar dia Nos

a(er 1 20 mm * %2 sqmm # mm 2

a(er 2 25 mm 0 ! sqmm 20 mm

a(er 3 *2 mm 0 ! sqmm *2 mm 0

Total Steel -rovided %2 sqmm 1.!33 / Total Steel -rovided

-rovided Steel 4 -rovi

C"m!ressi"n Rein'"r)ement '"r s!an m"ment C"m!ressi"n Rein'"r)ement


a(er 1 20 mm 4 20 mm *

a(er 2 2 mm 4 2 mm 0

a(er 3

Total Steel -rovided +7E8 Total Steel -rovided

Shear F"r)e +,-. *0 $N

("rti"nal M"ment 0 $N%m

E/-ialent Shear *0 $N1 !.32 .=Vu / (b * d)

1) !.6 Refer Table 61 SP 16 pg 179

1)ma 3.1 Refer Table J SP 16 pg 175

T(pe &ar 9ia Nos +rea of Steel

a(er 1 20 mm 3 21 sqmma(er mm sqmm

a(er 3 2 mm 0 ! sqmm

Total Steel -rovided 21 sqmm 2.%1! /

Sectional 9imensions 4Shear Chec: 4

-rovide Nominal Shear )einforcement

clear cover to

$u;


2/10

(!e "' stirr-! 2 leed

Stirr-! diameter 6 mm

S!a)in 2#% c;c

Pr"ide 15! mm c;c 4


3/10

.= ! "d#a ! $d#a/%

.= d & d'

.= (700/(1100 * (0.87 * f)) * d

.= 0.6*f*b*+u$a+*(d&(0.,%*+u$a+))

Refer Table % SP 16 pg ,8

d m"ment

+rea of Steel

%!2 sqmm

31% sqmm

! sqmm

#16 sqmm

ed Steel 4

"r end m"ment

+rea of Steel

-1)) / (6)


4/10


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Steel Cal)-lati"n '"r s!an m"ment

=rade Chec:

#.

S)& 9)&

a !.6! a !.6!

< 03.611 < 03.611

c 1.!1 c 3.%53

0p !.5% 0p 1.1%

+st 5!1 .=(p*b*d)/100 +stlim 1!! .=(p*b*d)/100

$u2 055 .=-u & -ul#$

+st2 0%62 .=-u%/((0.87*f)*(d&d'))

+st 62 .="l#$!"%

!.!5 d';d !.1!

!.1 fsc 353 Refer Table SP 16 pg 1

fcc 11.15 .=0.,66*f+sc 0%# .=-u%/((f"&f)*(d&d'))

$in steel / !.2!5 .=0.85 / f

+st 5!1

+sc 0%#

$in Steel 1# .=(0.85*b*d) / f

$a" Steel 365! .=0.0,*b*d)

+st 5!1

+sc

Shear Calculations

-t provided 2.%1! .=("*100)/(b*d)

-c provided .=("*100)/(b*d)

1.2!% .=(0.8*f)/(6.89*P)

Shear Capacit( of Concrete *s, # .=2*b*d

Shear St to


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Plinth beam '"r )r-sher h"-se

Beam Data

width 250 mm

depth 400 mm d' 33 mm

25 mm eff depth 36# mm

Material Grades

Concrete 25 MPa

Steel 45 MPa

Normal moment Torsional moment Equivalent moment

S!an M"ment 20 $N%m 0 $N%m 20 S!an C"nditi"n End C"nditi"n

End M"ment 20 $N%m 0 $N%m 20 !.5 !.5

"uma" 1#6 1#6

$ulim 116 116

3.%5 3.%5

Span &eam is desined as Sinl( )einforced &eam

End &eam is desined as Sinl( )einforced &eam

$inimum / of Steel as per AS %56 clause 25.5 required

Span )einforcement End )einforcement

&rea "' Steel Tension *+st, Compr *+sc, &rea "' Steel Tension *+st, Compr *+sc,-ercentae !.2!5 / 0000000 -ercentae !.2!5 / 0000000

+rea of Steel 1 sqmm +rea of Steel 1 sqmm

(ensi"n Rein'"r)ement '"r s!an m"ment (ensi"n Rein'"r)ement '"r en


a(er 1 # mm * 6!3 sqmm # mm *

a(er 2 25 mm 0 ! sqmm # mm 0

a(er 3 *2 mm 0 ! sqmm *2 mm 0

Total Steel -rovided 6!3 sqmm !.65# / Total Steel -rovided

-rovided Steel 4 -rovi

C"m!ressi"n Rein'"r)ement '"r s!an m"ment C"m!ressi"n Rein'"r)ement


a(er 1 20 mm 4 20 mm *

a(er 2 2 mm 4 2 mm 0

a(er 3

Total Steel -rovided +7E8 Total Steel -rovided

Shear F"r)e +,-. 20 $N

("rti"nal M"ment 0 $N%m

E/-ialent Shear 20 $N1 !.21 .=Vu / (b * d)

1) !.#! Refer Table 61 SP 16 pg 179

1)ma 3.1 Refer Table J SP 16 pg 175

T(pe &ar 9ia Nos +rea of Steel

a(er 1 # mm # 12!6 sqmma(er mm sqmm

a(er 3 2 mm 0 ! sqmm

Total Steel -rovided 12!6 sqmm 1.315 /

Sectional 9imensions 4Shear Chec: 4

-rovide Nominal Shear )einforcement

clear cover to

$u;


7/10

(!e "' stirr-! 2 leed

Stirr-! diameter 6 mm

S!a)in 2#5 c;c

Pr"ide 1#5 mm c;c 4


8/10

.= ! "d#a ! $d#a/%

.= d & d'

.= (700/(1100 * (0.87 * f)) * d

.= 0.6*f*b*+u$a+*(d&(0.,%*+u$a+))

Refer Table % SP 16 pg ,8

d m"ment

+rea of Steel

6!3 sqmm

! sqmm

! sqmm

6!3 sqmm

ed Steel 4

"r end m"ment

+rea of Steel

-1)) / (6)


9/10


10/10

Steel Cal)-lati"n '"r s!an m"ment

=rade Chec:

#.

S)& 9)&

a !.6! a !.6!

< 03.611 < 03.611

c !.5% c 3.%53

0p !.16 0p 1.1%

+st 155 .=(p*b*d)/100 +stlim 1!6 .=(p*b*d)/100

$u2 06 .=-u & -ul#$

+st2 0# .=-u%/((0.87*f)*(d&d'))

+st 2# .="l#$!"%

!.! d';d !.1!

!.1 fsc 353 Refer Table SP 16 pg 1

fcc 11.15 .=0.,66*f+sc 0%3 .=-u%/((f"&f)*(d&d'))

$in steel / !.2!5 .=0.85 / f

+st 155

+sc 0%3

$in Steel 1 .=(0.85*b*d) / f

$a" Steel 36#! .=0.0,*b*d)

+st 1

+sc

Shear Calculations

-t provided 1.315 .=("*100)/(b*d)

-c provided .=("*100)/(b*d)

2.2! .=(0.8*f)/(6.89*P)

Shear Capacit( of Concrete *s, 65 .=2*b*d

Shear St to

RC Tie Beam Design

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