sbc calculations - bridge

7/25/2019 SBC Calculations - Bridge

1/41

SAMPLE No. CHAINAGE DEPTH LEVEL W%

KM.81/8 (115m - 81/665 TO 81/800)

BH-1 81/680 3M 30.38 1.88 1.44 3 0

BH-2 81/720 3M 28.74 1.87 1.46 2.2 0 !

BH-3 81/750 3M 13.04 1.84 1.63 2.1 0 !

BH-4 81/790 3M 34.53 1.82 1.35 0.9 0 5

KM.8"/8 (10.5M - 8"/!8.5 TO 8"/800)

BH-1 83/795 2M 35.21 1.77 1.31 2.6 0 6

KM.8"/10 (15M - 8"/800 TO 8"/815)

BH-1 83/815 2M 25.42 1.93 1.54 2.5 0 6

KM.85/#

BH-1 2M 45.31 1.63 1.12 0.7 0 $

KM.$/8 (60M - $/61$ TO $/6!$)

BH-1 92/620 2M 30.6 1.74 1.33 1.1 4 6

BH-2 92/680 2M 25.51 1.88 1.49 1.6 10 1

BH-3 92/765 2M 22.94 1.97 1.6 1 6 "

KM."/8 ($5M - "/!$! TO "/!5$)

BH-1 93/670 1.5M 24.93 1.94 1.55 3.4 2 1

BH-2 93/715 1.5M 24.39 1.91 1.53 2.1 4 6

BH-3 93/750 1.5M 27.77 1.87 1.46 3.7 0 "

Asst. Executive Engineer (!B"# $e%ut& Executive Engineer (!B"# Executive Engineer (!B

!B 'ectin# M)*i+i%ur), !B 'uivisin# )*e !B $ivisin# A,)*)%ur),

SMMA&' OSCCALCLATIONSCo*+,,o* o &2,3**4 W3 * m 81/87 8"/87 8"/107 85/#7 $/8 3* "/8 o KAN o3 *

E.G.D,.

LKDENSIT

' T/M$

D&'DENSIT

' T/M$

COHESION T/M$

ANGLEO

INTE&NAL

&ICTION(D2422)

ST/M


2/41

S.B.C.Calculations (as per I.S: 6403-1981)

DATA: km 2/2

Bore Hole No : 1

Saple No : 1

!ocation : "1

#ept$ o% &.#.Saple(') : 1.000

: 1.61

oisture Content * in + : ,9.1 +

: 1.01

S$ear araeters:

Co$esion ( C ) : 1.40

/or !ocal S$ear %ailure ( C 23 C) : 0.93

"nle o% Internal /riction ( 5 ) : 0 'er

0.00 'er

#ept$ o% /oun'ation #% : .00 i't$ o% /ootin B : 14.06

#ept$ o% ater 7ale elo* ! : 0.0

/actor o% Sa%et : .,

!;N7H o% %ootin : ,4.4

SBC=

/

/ /actor o% sa%et ., as per cl 06.3.1.1 o% Ie surc$are at t$e ase le>el o% %oun'ation

S - S$ape %actors %ro 7ale : o% IS:6403 Sc S=

Continous strip %ootin 1 1 1

1

1

ater 7ale Correction %actor 0.,

SBC=

/

Improvements to Lakkavaram - Sankaraguptam road from km 0/0 to 3/0 n !"#"Dt" $%e&onstru&ton of 'LBa&ross Sankaraguptam (a)or Dran n km 2/2 of Lakkavaram - Sankaraguptam %oad*

BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/

"nleo% Internal /riction(5 tan-(23tan5) : 5 360S/

1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'

NcJ N=J NF Bearin capacit %actors %ro 7ale 1 o% IS:6403

SF

' - #ept$ %actors(7$is correction is to e applie' onl *$en acE %illin is 'one *it$ proper copaction)

'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#

% ?B) t$en 0., to 1 (to e otaine' linear interpolation)

Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)

Inclination /actors ic i

= i

F as anle o% inclination is 00

1 C NcSc'cic? = ( N=-1) S='=i=? @ B FNFSF'FiFD ? (F-1)'


3/41

,.18, ? 1.34 3.416 or sa 3"0

.,

t/m2


4/41

SBC=

/




isionJ e ;nineer (


5/41

'.B..)*cu*)tins ()s %er .' 6403-1981"

DATA9 m $/$

Bre H*e A1

'),%*e 4

c)tin A1

$e%t .$.'),%*e(" 16.000 ,

1.67

Misture ntent in : 60.33 :

1.04

'e)r ;)r),eters

esin ( " 1.70

EDective surc)rge )t te )se *eve* un)tin

' - ')%e )ctrs r, )*e 2 '6403 'c 'C

ntinus stri% ting 1 1 1

ect)ng*e 10.2B/ 0.2B/ 1-0.4B/

'Cu)re 1.3 1.2 0.8

irc*e 1.3 1.2 0.6

c > 1 0.2 $ / B x sCrt( ? "

i - nc*in)tin )ctr

@= > @)ter )*e rrectin )ctr

6.220 1.456 0.360

')%e @)ter )*e rrectin )ctr 0.5

SC:

? > t)n2(;/4 ?/2" >

nc*in)tin i

C> i

> )s )ng*e inc*in)tin is 00

1I =c'ccic C ( =C-1" 'CCiC x B = ' i @=J (-1"


6/41

> 9.970 3.34 > 7.328 r s)& 6.0

2.5

,/m$


7/41

SC:

EDective surc)rge )t te )se *eve* un)tin

' - ')%e )ctrs r, )*e 2 '6403 'c 'C

ntinus stri% ting 1 1 1

ect)ng*e 1.052 1.052 0.90

'Cu)re 1.3 1.2 0.8

irc*e 1.3 1.2 0.6

c > 1 0.2 $ / B x sCrt( ? "

i - nc*in)tin )ctr@= > @)ter )*e rrectin )ctr

Asst. Executive Engineer (!B"# e%ut& Executive Engineer (!B"#

!B 'ectin# M)*i+i%ur), !B 'uivisin# )*e

Executive Engineer (!B"# 'u%erintening Engineer (!B"#

!B $ivisin# A,)*)%ur), !B irc*e# )+in))

1I =c'

c

ci

c C ( =

C-1" '

C

Ci

C x B

=

'

i

@=J (-1"

=c# =C# = > Be)ring c)%)cit& )ctrs r, )*e 1 '6403

'

- $e%t )ctrs(is crrectin is t e )%%*ie n*& en )c+ N**ing is ne it %r%er c,%)cti

C > v > 1 r ? K 100

C > v > 1 0.1 $ / B x sCrt( ? " ? L 10? > t)n2(;/4 ?/2"

$L $

B ten @= > 1 $

K $

ten @= > 0.5

$ K $K ($

B" ten @= > 0.5 t 1 (t e t)ine & *ine)r inter%*)tin"


8/41


DATA: +(",3/-. $,3/0*

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

/

%!TAI1I1# ALL I1 +(./ 3/ 3/.0 4/5 ,2/ A1D ,3/ 67 +A+I1ADA - A(ALA89%A( -1A%ASA89%A( 7!%% %6AD I1 !"#" DIST"

BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




9/41

1.866 ? 3.196 10.34 or sa .0"0

.,

t/m2


10/41

SBC=

/




isionJ e ;nineer (


11/41


DATA: +(",2/-3 $,2/4*

Bore Hole No : 3

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




12/41

9.6, ? 3.98 .004 or sa "0

.,

t/m2


13/41

SBC=

/




isionJ e ;nineer (


14/41


DATA: +(",2/-2 $,2/0*

Bore Hole No :

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




15/41

1. ? .99 10.081 or sa .0"0

.,

t/m2


16/41

SBC=

/




isionJ e ;nineer (


17/41


DATA: +(",2/-. $,2/20*

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




18/41

.881 ? .886 6.039 or sa "0

.,

t/m2


19/41

SBC=

/




isionJ e ;nineer (


20/41


DATA: +("4/5-.

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




21/41

.41 ? 0.94, .041 or sa 2"0

.,

t/m2


22/41

SBC=

/




isionJ e ;nineer (


23/41


DATA: +("3/.0 $3/.4*

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




24/41

11.014 ? .3, 6.31 or sa "0

.,

t/m2


25/41

SBC=

/




isionJ e ;nineer (


26/41


DATA: +("3/ $3/,4*

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




27/41

11.410 ? 1.9, 6.489 or sa "0

.,

t/m2


28/41

SBC=

/




isionJ e ;nineer (


29/41


DATA: +("./-5 $./,0*

Bore Hole No : 4

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




30/41

4.6 ? 3.444 ,.13, or sa 4"0

.,

t/m2


31/41

SBC=

/




isionJ e ;nineer (


32/41


DATA: +("./-3 $./40*

Bore Hole No : 3

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




33/41

9.86 ? 3.,8 .43 or sa "0

.,

t/m2


34/41

SBC=

/




isionJ e ;nineer (


35/41


DATA: +("./-2 $./20*

Bore Hole No :

Saple No : 1

!ocation : 1

1


SBC=

/


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,

I% #% G #*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


36/41

.,


37/41

SBC=

/




isionJ e ;nineer (


38/41


#"7": +("./-. $./0*

Bore Hole No : 1

Saple No : 1

!ocation : 1

1


SBC=

1 14.088 ? 0.000 ? 0.000 D ? 3.696


BulE #ensit( F) t23

#r #ensit (F' ) t23

t2

t23

5 G 80!S/


1 C NcS

c'

ci

c? = ( N

=-1) S

='

=i

=? @ B F

N

FS

F'

Fi

FD ? (F

-1)'


SF


'= '> 1 %or 5 G 100

'= '> 1 ? 0.1 #% 2 B @ s=rt( N5 ) 5 100 N5 tan(I24 ? 52)

I% #* #%? B t$en 1 I% #*G #% t$en 0.,I% #% G #

*G (#


Nc

N=

NF

Sc

S=

SF

N5 tan(I24 ? 52)


= i




39/41


40/41

SBC=

/




isionJ e ;nineer (


41/41

D!#$8* 1& 1; 1r

0 ,.140 1.000 0.000

1 ,.410 1.114 0.090 ,.680 1.8 0.180

3 ,.9,0 1.34 0.0

4 6.0 1.4,6 0.360

, 6.490 1.,0 0.4,0

6 6.86 1.,0 0.604

.34 1.930 0.,8

8 .606 .110 0.91

9 .98 .90 1.066

10 8.3,0 .40 1.0

11 8.86 .64 1.,06

1 9.40 3.0,8 1.9

13 9.98 3.3, .0814 10.4,4 3.646 .364

1, 10.980 3.940 .6,0

16 11.,0 4.43 3.198

1 10.30 4.94 3.46

18 13.90 ,.416 4.94

19 14.060 ,.908 4.84

0 14.830 6.400 ,.390

1 16.008 ., 6.488

1.186 8.104 .,86

3 18.364 8.9,6 8.684

4 19.,4 9.808 9.8

, 0.0 10.660 10.8806 .604 1.08 13.184

4.488 1.496 1,.488

8 6.3 1,.304 1.9

9 8.,6 16.8, 0.096

30 30.140 18.400 .400

31 33.336 1.380 .,6

3 36.,3 4.360 3.6,

33 39.8 .340 3.8

34 4.94 30.30 4.904

3, 46.10 33.300 48.030

36 ,1.9,8 39.480 60.306

3 ,.96 4,.660 .,838 63.634 ,1.840 84.8,8

39 69.4 ,8.00 9.134

40 ,.310 64.00 109.410

4, 138.880 134.880 1.60

,0 66.890 319.00 6.890

B;"

sbc calculations - bridge

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