Chequered Plate

INPUT DATA DATA FOR CHEQUERED PLATE DESIGN : Case:1 Upper Floors Sl.No

Descriptio

Uit

S!"#ol

$al%es

1

Maximum Width of Plate

m

B

1.230

2

Thickness of Plate

m

t

0.006

3

Unit Weight of Steel

km2

!."0

#

$i%e i%e $oad &onsi onside de'e 'ed d o%e o%e' &he &he(ue (ue'ed 'ed Plat Platee

km2

P1

"

"

)ield St'ess of Steel

mm2

f*

2"

6

)oungs Modulus of steel

km2

+

200000

Uit

S!"#ol

$al%es

km2

P2

0.#1

km2

P1

5

km

W

".#1

Uit

S!"#ol

$al%es

-  ".#1 x 1.232 /  !

k.m

M

1.03"

- 1000 x 63 /  12

mm#

4

1!000

-  1!000  6  2 //

mm3

5

6000

mm2

fs

12."00

mm2

f 7

220

&A'((LOADING CALCULATION: Descriptio

Self Weight of ,late

E)pressio

- 0.006 x !." /

$i%e $oad o%e' che(ue'ed ,late Total load on Plate - P1  P2

-  "  0.#1/

Descriptio

E)pressio

&*' ((*ENDING +O+ENT CALCULATION:

Maximum Bending Moment -  W x B2 /  ! Moment of 4ne'tia

Section Modulus

&C' ((CHEC, FOR *ENDING STRESS:

ctual Bending St'ess -M5

- 1.03" x 106/  6000

Pe'missi7le Bending St'ess s ,e' BS "8"091:2000 &lause #.3.!/ - 0.! x f*

- 0.! x 2"

f7 ; fs

HENCE SAFE

&D' ((CHEC, FOR DEFLECTION:

ctual =eflection -  " x W x B# /   3!# x + x 4 //

-  " x ".#1 x 1.23# / 108   3!# x 200000 x 1!000 //

mm

>

0.0#"

mm

>a

6.1"

llo?a7le =eflection s ,e' BS "8"091:2000 Ta7le !/ - B  200

- 1230  200

>a ; >

HENCE SAFE

INPUT DATA FOR CHEQUERED PLATE DESIGN : Case:- Upper Floors Sl.No

Descriptio

Uit

S!"#ol

$al%es

1


m

B

1.230

2

Thickness of Plate

m

t

0.00!

3


km2

!."0

#

$i%e $oad &onside'ed o%e' &he(ue'ed Plate

km2

P1

20

"


mm2

f*

2"

6


km2

+

200000

Uit

S!"#ol

$al%es

km2

P2

0.62!

km2

P1

5

km

W

".62!

Uit

S!"#ol

$al%es

-  0.62! x 1.232 /  !" x 1.23/#

k.m

M

1.6"6

- 1000 x !3 /  12

mm#

4

#266

-  #2666.66  !  2 //

mm3

5

1066

mm2

fs

1"".2"0

mm2

f 7

220



E)pressio

- 0.00! x !." /


-  "  0.62!/

Descriptio

E)pressio


Maximum Bending Moment -  P2 x B2 /  !  P 1 @ B/# Moment of 4ne'tia

Section Modulus



- 1.6"6 x 106/  10666.66


- 0.! x 2"

f7 ; fs

HENCE SAFE

Note: 1. The Chequered plate is designed for 500kg !hereas rest of the equip"ents loads shall #e load on $ain % Se&ondar' (ea"s ). The seis"i& % *ind loads are taken &are #' the &olu"n % #ea"s


ctual =eflection -  " x 0.62! x 1.23# / 108   3!# x 200000 x -  " x P2 x B# /   3!# x + x 4 // #2666.66 //"x1.233/x108  P1 x B3 /   #! x + x 4 // #!x200000x#2666.66/

mm

>

0.02"

mm

>a

6.1"


- 1230  200

>a ; >

HENCE SAFE

!mm thk ,late is 'e(ui'ed fo' "00kg &oncet'ated load

INPUT DATA FOR CHEQUERED PLATE DESIGN : Case:- Upper Floors Re/%ce/ t0e i/t0 2ro" 1.-34 to 4.516" ior/er to satis2! t0e 5"" t0ic7 Sl.No

Descriptio

Uit

S!"#ol

$al%es

1

Maximum Width of Plate Stiffene' angle shall 7e added at the mid/

m

B

0.61"

2

Thickness of Plate

m

t

0.006

3


km2

!."0

#

$i%e $oad &onside'ed o%e' &he(ue'ed Plate

km2

P1

20

"


mm2

f*

2"

6


km2

+

200000

Uit

S!"#ol

$al%es

km2

P2

0.#1

km2

P1

5

km

W

".#1

Uit

S!"#ol

$al%es

-  0.#1 x 0.61"2 /  !" x 0.61"/#

k.m

M

0.81

- 1000 x 63 /  12

mm#

4

1!000

-  1!000  6  2 //

mm3

5

6000

mm2

fs

131.!33

mm2

f 7

220



E)pressio

- 0.006 x !." /


-  "  0.#1/

Descriptio

E)pressio


Maximum Bending Moment -  P2 x B2 /  !  P 1 @ B/# Moment of 4ne'tia

Section Modulus



- 0.81 x 106/  6000


- 0.! x 2"

f7 ; fs

HENCE SAFE

Note: 1. The Chequered plate is designed for 500kg !hereas rest of the equip"ents loads shall #e load on $ain % Se&ondar' (ea"s ). The seis"i& % *ind loads are taken &are #' the &olu"n % #ea"s


ctual =eflection -  " x 0.#1 x 0.61"# / 108   3!# x 200000 -  " x P2 x B# /   3!# x + x 4 // x 1!000 //"x0.61"3/x108  P1 x B3 /   #! x + x 4 // #!x200000x1!000/

mm

>

0.00

mm

>a

3.0!


- 61"  200

>a ; >

HENCE SAFE

INPUT DATA FOR CHEQUERED PLATE DESIGN : Case:- Staita!s Sl.No

Descriptio

Uit

S!"#ol

$al%es

1


m

B

1."00

2

Thickness of Plate

m

t

0.00!

3


km2

!."0

#

$i%e $oad &onside'ed o%e' A'ating

km2

P1

"

"


mm2

f*

2"

6


km2

+

200000

Uit

S!"#ol

$al%es

km2

P2

0.62!

km2

P1

5

km

W

".62!

Uit

S!"#ol

$al%es

k.m

M

1."!3

m#

4

#266

mm3

5

1066

mm2

fs

1#!.#06

mm2

f 7

220



E)pressio

- 0.00! x !." /


-  "  0.62!/

Descriptio

E)pressio


Maximum Bending Moment -  W x B2 /  !

-  ".62! x 1."2 /  !

Moment of 4ne'tia - 1000 x !3 /  12 Section Modulus -  #2666.66  !  2 //



- 1."!3 x 106/  10666.66


- 0.! x 2"

f7 ; fs

HENCE SAFE


ctual =eflection -  " x W x B# /   3!# x + x 4 //

-  " x ".62! x 1."# / 108   3!# x 200000 x #2666.66 //

mm

>

0.0#3

mm

>a

."0


- 1"00  200

>a ; >

HENCE SAFE

LARSEN & TOUBRO LIMITED ECC Division - EDRC

Project :

Tit%e :

##0 ,v D!c Transission Line .ro Saaa East To Saa S(; Station

DOCUMENT NO : O$0//2T2TL - Sa)-0$

Date : 0!0"!#00$

DESI*NED

C+EC,ED

ARA

SMP

in' Press(re & Sa) Tension Ca%c(%caion

Seet

O. /

IND PRESSURE CALCULATIONS AS PER DI DE 0#$0 : Wind Speed for Conductor/ Earthwire as per MOM Dated 26.05.01 in KM!

150

" #1.6$ in %/sec

Wind Speed for &nsu'ator/(ower )od* as per MOM Dated 26.05.01 in KM!

160

" ##.## in %/sec

+asis Span for Sa, (ension ca'cu'ation as per Schedu'e C2 in M -

#50

"

s per D& DE 0210 and their further c'arification dated 2#.11.354 the d*na%ic wind pressure - in (a)'e 5 of D& DE 0210 is arried for a )asic wind speed of 120 K%ph. !ence for a wind speed of 150 K%ph4 the d*na%ic wind pressure in (a)'e 5 is to )e %u'tip'ied )* a factor " -150 / 120 72 " 1.568 in wind pressure ca'cu'ation for Conductor/ Earthwire 9 with a factor "-160/12072 " 1.$$: for &nsu'ator/ (ower)od*. Wind oad on Conductor/;roundwire as per C'ause :.1.2.1 of D& DE 0210

"

Cf <  < d < - :0 =0.6 < 

Wind ressure on Conductor/;roundwire.

"

Cf <  < - :0 =0.6 <  / 

5I6 in' Press(re On Con'(ctors in ,)!# : -

!ei,ht of ttach%ent point in %

Con'(ctor

Dra, Coefficient for Conductor Dia%eter %ore than 15.:0 %% refer (a)'e 6 of D& DE 0210 D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM!

0>#0%

#0>100%

Cfc

"

1.00

1.00

c

"

0.58

0.6:

D*na%ic Wind ressure for 160 KM! in K,/%2

"

- Cfc ? c ? - 160 / 120 72 ? 1000 / 3.:1  "


"

- Cfc ? c ? - 150 / 120 72 ? 1000 / 3.:1  "

Wind ressure on Conductor in K,/%2

36.0#$ 10:.80: "

120/

312#10

5II6 in' Press(re On Eart4ire in ,)!# : -


#0>100%

*ro(n'4ire

Dra, Coefficient for Earthwire Dia%eter %ore than 15.:0 %% refer (a)'e 6 of D& DE 0210 D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! D*na%ic Wind ressure for 150 KM! in K,/%2

"

Cfe

"

1.00

e

"

0.6: $032/03

- Cfe ? e ? - 150 / 120 72 ? 1000 / 3.:1  "

Wind ressure On Earthwire in K,/%2

"

312#10

5III6 E77ect o7 Aircra7t arnin) S8ere on te Eart 4ire : Increase in 4 in' 8ress(re on eart 4ire '(e to Aircra7t arnin) S8ere :

Dia%eter of Warnin, sphere in M "

0.600

Centre to Centre Spacin, of sphere in M

80

Dia%eter of earthwire in %%

1:.600

Dra, Coefficient for eria' warnin, )a''s

0.#

Wind 'oad on one sphere in Kn

" - i / # ? - 0.6 72 ? 0.# ? 0.6: ? 1.568 


"

Wind pressure on sphere in K,/%2

" - 0.12 ? 1000 / - 3.:10 ? 80 ? 0.01:6 "

(ota' wind pressure on the earth wire inc'udin, the effect

0.12

#$29##

" - :#.2# = 21.322


Project :


Tit%e :


DOCUMENT NO : O$0//2T2TL - Sa)-0$ DESI*NED

Date : 0!0"!#00$

C+EC,ED Seet

ARA

of warnin, sphere in K,/%2 .or 1<0 M S8an

O. /

SMP

"

$0"2$"#

5.or Sa) Tension Ca%c(%ation6

Wei,ht of earthwire in K,/%

"

0.:1:

Wei,ht of one sphere in K,

"

$.200

Wei,ht of r%our @od in K,

"

0.520

Euia'ent unit wei,ht of earthwire in K,/%

" - 0.:1: = $.2 / 80 = 0.52 / #50 

5I6 Increase in 4ei)t o7 eart4ire '(e to Aircra7t arnin) S8ere :

$20<9

56 E77ect o7 S8acer 'a8ers on con'(ctor :

Wei,ht of spacer da%per

" 2.#0 = 5A

Ma< Wei,ht of spacer da%per in K,

" 2.#0 = -0.05 ? 2.#0 B

era,e centre to centre spacin, of Da%per in M

"

80

Wei,ht of conductor in K,/%

"

0.6$0

Euia'ent wei,ht of conductor inc'udin, the wei,ht of spacer da%pers in K,/%

" - 0.6$ = - 2.52 / - 2 ? 80  

"

2.520

"

02$#

Ins(%ator

0>#0%

#0>100%

5I6 in' Press(re On Ins(%ator in ,)!# : +ei)t o7 Attacent 8oint in 

Dra, Coefficient for &nsu'ator as per (a)'e 6 of D& DE 0210 D*na%ic W ind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! Wind ressure on insu'ator for 160 KM! in K,/%2

"

- Cfi ? i ? - 160 / 120 72 ? 1000 / 3.:1 

Cfi

"

1.20

1.20

i

"

0.$

0.3

$<#2##"

$9<2$9

0>#0%

#0>100%

"

5II6 in' Press(re On To4er Bo'= in ,)!# : +ei)t o7 To4e Bo'= in 

To4er Bo'=

Dra, Coefficient Cf is ,ien in the (a)'e 6 of D& DE 0210 for Suare 9 rectan,u'ar towers D*na%ic W ind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! Wind ressure on (ower +od* for 160 KM! in K,/%2

"

- Cft ? t ? - 160 / 120 72 ? 1000 / 3.:1 

Cft

"

2.:0

2.:0

t

"

0.$

0.3

/<<2$9/

1<"2"

0>#0%

#0>100%

2.:0

2.:0

8.0:

8.0:

"

0.$

0.3

"

#5

#5

"

5III6 in' Press(re On To4er Bo'= in ,)!# 5 .or Dia)ona% in' con'ition 6 : +ei)t o7 To4e Bo'= in 

To4er Bo'=

Dra, Coefficient Cf is ,ien in the (a)'e 6 of D& DE 0210 for Suare 9 rectan,u'ar towers s per C'.no :.2.1.2 aerod*na%ica' dra, coefficient is to )e increased )* 10 A " D*na%ic W ind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! n,'e of &ncidence of wind in de,

Cft

"

-Cfdw " 2.:=10/100 ? 2.: " dw

LARSEN & TOUBRO LIMITED ECC Division - EDRC ##0 ,v D!c Transission Line .ro Saaa East To Saa S(; Station

Project :

Tit%e :

DOCUMENT NO : O$0//2T2TL - Sa)-0$

Date : 0!0"!#00$

DESI*NED

C+EC,ED

ARA

SMP


Wind ressure tower in K,/%2 -&n (rans. 9 on,.Gace "

Seet

Cfdw?dw?- 160/120 72 ?1000/3.:1?Cos-#5 "

#"2#<

O. /

/<<2#$$

BASIC SPAN .OR SA* TENSION CALCULATION : 1<0 M DESCRIPTION

a%e / Code Strandin, 'u%iniu% 9 Stee' Dia%eter in MM Hnit Wei,ht -K, / %

CONDUCTOR

*ROUND IRE

C D@E

O..;.W F GOCS F

61/ 2.25

82 Gi)res

20.200

1:.600

5>> 6

02$#

5? ?6

$20<9

H'ti%ate Stren,th in K,

6310

111$8

Cross Sectiona' rea in -%%2

2#2.5

13#.0:

Coefficient of inear E
28 < 10>6

1$.8 < 10>6

Gina' Modu'us of E'asticit* in K, /%% 2

563$

1022$

Mini%u% (e%perature

5IC

5IC

Eer*da* (e%perature

85IC

85IC

Ma
:0IC

:0IC 5? ? 6 ei)t o7 arnin) S8ere an' aror ro' a''e' to O2P2*2

5> > 6 ei)t o7 S8acer Da8er A''e' to con'(ctor

Conductor

Earthwire

S' o

Co%)ination of (e%perature 9 Wind

Wind ressure in K,/%2

(ension in K,

Sa, in M

Gactor of Safet*

(ension in K,

Sa, in M

Gactor of Safet*

1

85I 9 i' wind

0

$$#"200

16.006

6.18$

$3/12/0

5@6 1#.61#

6.031

2

5I 9 i' Wind

0

12#8.00

1#.#33

5.553

1336.11

18.#23

5.53$

8

:0I 9 i' wind

0

335.$0

5@6 $32$00

6.3#0

16#5.23

16.232

6.$31

#

#0I 9 i' wind

0

1103.2

16.2#:

6.280

1:10.#3

1#.:06

6.1$1

5

5I 9 Gu'' wind -Gor conductors 'ess than #0 %

$#.$08

#<#$230

16.$52

2.$#0

>>>>

>>>>

>>>>

6

5I 9 Dia,ona' wind -Gor conductors 'ess than #0 %

53.$62

#$902<0

16.1:3

8.155

>>>>

>>>>

>>>>

$

5I 9 Gu'' wind -Gor conductors %ore than #0 %

:#.2#0

#/#2$0

1$.03#

2.523

>>>>

>>>>

>>>>

:

5I 9 Dia,ona' wind -Gor conductors %ore than #0 %

6$.832

#/<92"0

16.#$$

2.32:

>>>>

>>>>

>>>>

$

5I 9 Gu'' wind -Gor ,roundwire %ore than #0 %

106.162

>>>>

>>>>

>>>>

/"/21$

15.535

8.0$2


Project :

Tit%e :

:


DOCUMENT NO : O$0//2T2TL - Sa)-0$ DESI*NED

C+EC,ED

ARA

SMP

>>>>

/$992<$


5I 9 Dia,ona' wind -Gor Earthwier %ore than #0 %

:#.380

>>>>

5@6 Re7ers Initia% Con'ition .or Con'(ctor an' *ro(n'4ire

Date : 0!0"!#00$

Seet

>>>>

15.083

O. /

8.#32

LARSEN & TOUBRO LIMITED ECC DIISION - EDRC Project :

100!##0 ,v D!c Transission Line .ro A% Ain So(t4est to A;( Da;i

Doc(ent No : T$$<2T2TL - Sa)-0#

Tit%e :

in' Press(re & Sa) Tension Ca%c(%caion 5.or ##0 v Lines6

Date :

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IND PRESSURE CALCULATIONS AS PER DI DE 0#$0 : Wind Speed for Conductor4Earthwire4&nsu'ator9(ower )od* in KM! +asis Span for Sa, (ension ca'cu'ation as per Schedu'e C2 in M -

160 "

" ##.## in %/s

#50

s per D& DE 0210 and their further c'arification dated 2#.11.354 the d*na%ic wind pressure - in (a)'e 5 of D& DE 0210 is arrie a )asic wind speed of 120 K%ph. !ence for a wind speed of 160 K%ph4 the d*na%ic wind pressure in (a)'e 5 is to )e %u'tip'ied )* a fa " -160 / 120 72 " 1.$$: in wind pressure ca'cu'ation for Conductor4Earthwire4&nsu'ator 9(ower)od*. Wind oad on Conductor/;roundwire as per C'ause :.1.2.1 of D& DE 0210

"

Cf <  < d < - :0 =0.6 < 

Wind ressure on Conductor/;roundwire.

"

Cf <  < - :0 =0.6 <  / 

5I6 in' Press(re On Con'(ctors in ,)!# : -


0>#0%

Con'(ctor

Dra, Coefficient for Conductor Dia%eter %ore than 15.:0 %% refer (a)'e 6 of D& DE 0210 D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM!

Cfc

"

1.00

c

"

0.58


"

- Cfc ? c ? - 160 / 120 72 ? 1000 / 3.:1 

"


"

- Cfc ? c ? - 160 / 120 72 ? 1000 / 3.:1 

"

Wind ressure on Conductor in K,/%2

36.0#$

"

120/

5II6 in' Press(re On Eart4ire in ,)!# : *ro(n'4ire

!ei,ht of ttach%ent point in % Dra, Coefficient for Earthwire Dia%eter %ore than 15.:0 %% refer (a)'e 6 of D& DE 0210 D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! D*na%ic Wind ressure for 160 KM! in K,/%2

"

Cfe

#0 "

e "

- Cfe ? e ? - 160 / 120 72 ? 1000 / 3.:1 

Wind ressure On Earthwire in K,/%2

$#

"

9

"

5III6 E77ect o7 Aircra7t arnin) S8ere on te Eart 4ire : Increase in 4in' 8ress(re on eart 4ire '(e to Aircra7t arnin) S8ere :

Dia%eter of Warnin, sphere in M "

0.600

Centre to Centre Spacin, of sphere in M

80

Dia%eter of earthwire in %%

1:.600

Dra, Coefficient for eria' warnin, )a''s

0.#


" - i / # ? - 0.6 72 ? 0.# ? 0.6: ? 1.$$: 


"

Wind pressure on sphere in K,/%2

" - 0.18$ ? 1000 / - 3.:10 ? 80 ? 0.01:6 "

(ota' wind pressure on the earth wire inc'udin, the effect

0.18$

#<20#

" - 35.:#6 = 25.02$



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of warnin, sphere in K,/%2 .

"

$#023/

Wei,ht of earthwire in K,/%

"

0.:1:

Wei,ht of one sphere in K,

"

$.200

Wei,ht of r%our @od in K,

"

0.520

Euia'ent unit wei,ht of earthwire in K,/%

" - 0.:1: = $.2 / 80 = 0.52 / #50 

5.or Sa) Tension Ca%c(%ation6

5I6 Increase in 4ei)t o7 eart4ire '(e to Aircra7t arnin) S8ere :

$20<9

56 E77ect o7 S8acer 'a8ers on con'(ctor :

Wei,ht of spacer da%per

" 2.#0 = 5A

Ma< Wei,ht of spacer da%per in K,

" 2.#0 = -0.05 ? 2.#0 B

era,e centre to centre spacin, of Da%per in M -ssu%ed

"

80

Wei,ht of conductor in K,/%

"

1.0:5

o. of conductors per phase

"

2

Euia'ent wei,ht of conductor inc'udin, the wei,ht of spacer da%pers in K,/%

" - 1.0:5 = - 2.52 / - 80 ? 2  

"

2.520

nos "

$2$#

5I6 in' Press(re On Ins(%ator in ,)!# : +ei)t o7 Attacent 8oint in 

Ins(%ator

Dra, Coefficient for &nsu'ator as per (a)'e 6 of D& DE 0210 D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! Wind ressure on insu'ator for 160 KM! in K,/%2

"

- Cfi ? i ? - 160 / 120 72 ? 1000 / 3.:1 

0>#0%

Cfi

"

1.20

i

"

0.$

"

$<#2##"

5II6 in' Press(re On To4er Bo'= in ,)! # : +ei)t o7 To4e Bo'= in 

Dra, Coefficient Cf is ,ien in the (a)'e 6 of D& DE 0210 for Suare 9 rectan,u'ar towers D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM! Wind ressure on (ower +od* for 160 KM! in K,/%2

0>#0%

To4er Bo'=

"

- Cft ? t ? - 160 / 120 72 ? 1000 / 3.:1 

Cft

"

2.:0

t

"

0.$

"

/<<2$9/

5III6 in' Press(re On To4er Bo'= in ,)!# 5 .or Dia)ona% in' con'ition 6 : +ei)t o7 To4e Bo'= in 

Dra, Coefficient Cf is ,ien in the (a)'e 6 of D& DE 0210 for Suare 9 rectan,u'ar towers s per C'.no :.2.1.2 aerod*na%ica' dra, coefficient is to )e increased )* 10 A " D*na%ic Wind ressure s er (a)'e > 5 of D& DE 0210 in Kn/%2 for 120 KM!

0>#0%

To4er Bo'=

Cft

"

-Cfdw " 2.:=10/100 ? 2.: " dw

"

2.:0 8.0: 0.$




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n,'e of &ncidence of wind in de,

"

Wind ressure tower in K,/%2 -&n (rans. 9 on,.Gace "

Cfdw?dw?- 160/120 72 ?1000/3.:1?Cos-#5 "

#5 #"2#<

BASIC SPAN .OR SA* TENSION CALCULATION : 1<0 M DESCRIPTION

CONDUCTOR

*ROUND IR

a%e / Code

/'C'ad Stee'

O..;.W F GOC

Strandin, 'u%iniu% 9 Stee'

26/8.$2 4 $/2.:3

82 Gi)res

28.550

1:.600

Dia%eter in MM Hnit Wei,ht -K, / %

5>> 6

H'ti%ate Stren,th in K,

$2$#

5? ?6

$20<9

3330

111$8

82:.52

13#.0:

Coefficient of inear E
20.0 < 10>6

1$.8 < 10>6

Gina' Modu'us of E'asticit* in K, /%% 2

$$2$

1022$

Mini%u% (e%perature

5IC

5IC

Eer*da* (e%perature

85IC

85IC

Ma
:0IC

:0IC

Cross Sectiona' rea in -%%2

5? ? 6 ei)t o7 arnin) S8ere an' aror ro' O2P2*22

5> > 6 ei)t o7 S8acer Da8er A''e' to con'(ctor

Conductor

Earthwire

S' o

Co%)ination of (e%perature 9 Wind

Wind ressure in K,/%2

(ension in K,

Sa, in M

Gactor of Safet*

(ension in K,

Sa, in M

1

85I 9 i' wind

0

$932#0

-J 15.:65

5.556

1$$0.80

15.1#2

2

60I 9 i' wind

0

16:6.10

16.321

5.325

166:.21

16.063

8

:0I 9 i' wind

0

160:.01

1$.$80

6.218

153$.10

16.$:6

#

5I> Gu'' wind -Gor conductors 'ess than #0 %

$#.$08

///$2<0

15.:$2

2.333

>>>>

>>>>

5

5I> Dia,ona' wind -Gor conductors 'ess than #0 %

53.$62

#91/2"0

15.50#

8.83#

>>>>

>>>>

6

5I 9 Gu'' wind -Gor conductors %ore than #0 %

35.:#6

/391230

16.83$

2.565

>>>>

>>>>

$

5I> Dia,ona' wind -Gor conductors %ore than #0 %

$6.6$$

//3/20

15.326

2.352

>>>>

>>>>

:

5I > Gu'' wind -Gor ,roundwire %ore than #0 %

120.:$8

>>>>

>>>>

>>>>

/3/"2#$

-J 16.83$



Tit%e :


3

5I > Dia,ona' wind -Gor ,roundwire %ore than #0 %

36.63:

>>>>

5@6 Re7ers Initia% Con'ition .or Con'(ctor an' *ro(n'4ire

Doc(ent No : T$$<2T2TL - Sa)-0# Desi)ne'

Date :

Cece' Seet

>>>>

Ara

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>>>>

//1$2"$

15.:1$

!0!#00$

O. /

ec

for ctor

#0>100% 1.00 0.6:

128.280 9<231"

>100% .00 .6: /2#/0 231"

!0!#00$

O. /

#0>100% 1.20 0.3 $9<2$9

#0>100% 2.:0 0.3 1<"2"

#0>100% 2.:0 8.0: 0.3

!0!#00$

O. /

#5 /<<2#$$

SF

''e' to

Gactor of Safet* 6.811 6.63: 6.336 >>>>

>>>>

>>>>

>>>>

2.318

!0!#00$

O. /

8.8##

Chequered Plate

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