Pier Foundation

8/18/2019 Pier Foundation

1/16

PROJECT: SHEET ### OF ###P.O.BOX. 301, RIYADH - 11411 REVISION 0 1 2 3 4

380/110/13.8 V PHONE:01/4!22"00 DATE D % '( FAX: 4!22"00 D

Substation, Jedddah. *

*

Contract: 2 / 1 / 23 Y

Y

R+(

Factored Soil Pressure

Factored Forces = Reactions x OLF x ULFLeg Fx Fy Fz

1 #VAE #VAE #VAE Over Load Factor = #REF2 #VAE #VAE #VAE Ultimate Load Factor = 1.3 #VAE #VAE #VAE4 #VAE #VAE #VAE

Leg cc !istacce "m#$ % Soil &oncrete

#REF #REF #REF #REF

)& '+ B% L = #REF 56$)& '+ B% ' = #REF T&67 '+ B% t( = #REF

H6&) '+ P$)% ) = #REF P$)% S69 a = #REF * = #REF P(')6' '+ P$)% d = #REF

56&) '+ P$)% ; ; 12.?4 7N

56&) '+ S'6 ; = 0.?0 = 18.00 ; 14!.!4 7N

56&) '+ B% ; 3.1 = 3.1 = 0.4 = 24 ; ?2.2" 7N

S'6 @ B% 56&) @ P$)% 56&) ; 14!.!4 @ ?2.2" @ 12.?4 ; 22.?4 7N

P ; 22.?4 @ 44.21 ; 2?!.1 7N

+a,ing -oment a*out 2.3

*9( ; "".1" @ 1.4 = 1. @ 22.?4 = 3.1/2 ; 10?.3 7N-

*9' ; !84.8? @ 33. = 1. ; 83.14 7N-

Unit 'eig(t ",/m3#


2/16

PROJECT: SHEET ### OF ###P.O.BOX. 301, RIYADH - 11411 REVISION 0 1 2 3 4

380/110/13.8 V PHONE:01/4!22"00 DATE D % '( FAX: 4!22"00 D

Substation, Jedddah. *

*

Contract: 2 / 1 / 23 Y

Y

X ; / 2?!.1 ; 0.!" R+(

= ; 3.1 / 2 - 0.!" ; 0.!?

*9 ; P = = ; 234.! 7N-

+a,ing -oment a*out 3.4

*=( ; !"3.!1 @ 2.08 = 1. @ 22.?4 = 3.1/2 ; 118.8? 7N-

*=' ; "?."3 @ 1.?? = 1. ; "?8."2 7N-

9 ; / 2?!.1 ; 1.

9 ; 3.1 / 2 - 1. ; 0.00

*= ; P = 9 ; 0.00 7N-

Soil Pressure

; P/A @ *=/= @ *9/9

A(% A ; = 5 ; ?."1

= ; 4.?!

9 ; 4.?!

; 2?!.1/?."1 @ 0.00/4.?! @ 234.! / 4.?!

%= ; !8.1

; 2?!.1/?."1 - 0.00/4.?! - 234.! / 4.?!

6 ; -1".31


3/16

0RF

Forces 'it( Over Load Factor ",/.m#0RF 0RF 0RF 0RF 0RF 0RF

1 #REF #REF #REF #REF #REF 7N-

P = Wt + Fy

P = #VALUE! ; #REF!

Overturning a*out %.axis

Taking Moment about 1-4

Mzr = Mz + Fx x D + P x L/2

#VALUE!

Mzo = Mz + Fx x D

Mzo = #REF!FOS = Mzr / Mzo = #VALUE! #VALUE!

x' = Mzr - Mzo / P = #VALUE!

ex = L / 2 - x' = #VALUE!

Mz = P x ex = #REF!

Overturning a*out $.axis

Taking Moment about 3-4

Mxr = Mx + Fz x D + P x W/2

Mxr = #VALUE!

Mxo = Mx + Fz x D

Mxo = #REF!

FOS = Mxr / Mxo = #VALUE! #VALUE!

z' = Mxr - Mxo / P = #VALUE!

ez = L / 2 - z' = #VALUE! FOS DUR" $O"S%RU$%O"=&

Mx = P x ez = #REF! FOS O%ER $O"D%O"S = 2

Soil Pressure

max = P 5 -x%x 5 -z%z

Refer "Soil Mechanics" By C.Teng Cl. # 6-9

A = L x W = #VAE

ex / W = #VAE

ez / L = #VAE

= #VALUE! = #VALUE!

#VALUE! * ,,o.,e $

#VALUE!

Saudi lectricity &om6anyE%)( R6' B(%&

789:; ?@ABCD>E ?:G>EG KLM G

0r=

1x

= P / A =

134

= P / A =


4/16

SOHL PROPR+HS FOR +O'R /OI-

& +

J =KI4 m

+s6 =KI3 m/IMIL

LNR.1+ =KIK m

d1

LNR.2 d2

LNR.3 d3

LNR.4 d4

LNR.d

!SHM/ &RH+RH

-+RHL PROPR+HS /! !SHM/ RJUHR-/+S

F'Q$%)6' (% &6&) %' +6% (%$ U 0.4

F'Q$%)6' $)& +(' =6)6 ('Q$ )' +6% ('Q$ U 0.30

I'($ '6 $)& U 0."0

CONCRETE

2!."

24

51

52

53

%1=d1.+

54

%2="d

15d

2# . +

5

%3="d

15d

25d

3# . +

5"

%4="d15d25d35d4# . +

5!

%="d

15d

25d

35d

45d

# . +

C'() C'(6 S)()& W 28 $%, FcQ *P%U6) 5). '+ C'()

7N/3U


5/16

14

*66Q C'. C'( %) T', B')). Z S6$ '+ P6( U !

STEE

420

%( # Φ C 6) 5).

1 3 3 30.00 0 0 ?.81 30.00 0.!2 ? " 30.00 0 0 ?.81 30.00 0.!3 12 3 30.00 0 0 ?.81 30.00 0.?4 24 12 30.00 0 0 ?.81 30.00 0.?

SQ(&%( P(Q( %) [.. ; 0.00

5%)( T% '\ [(. . ; 1.0

+%)'($ F%)'($ FOS; 2.00

*%=6Q C'(6 '%$ 212.?0 N 421.80 N*%=6Q 6+) '%$ 1843.3" N 3"8".!2 N

*%=6Q T(%( S&%( 0.00 N 0.00 N

*%=6Q '6)Q$6% S&%( 0.00 N 0.00 N

RQ)%) %)(% '%$ "48."? N 12?!.38 N

*%=6Q E=)(% *') 0.0 N.- 0.0 N.-

D6% '+ D(6$ P6( ]B] ; 1.50 m

Layer noI +otal de6t( o layer "m# Remar,s

1 0 0

2 3 2.4 1) %(


6/16

&O-PU++HO/ OF UPLHF+ &P&H+N

LNR 0 1

; 0.00

; 0.00

; ?.81 7N/3

; 0.!

; 30.00

; 0.00 N/2

; 0.00 N/2

; 0.00 N/2

; !.2" N

A$&6' C%%6)

; 0.00 N

S76 F(6)6' C%%6)

The total skin friction acting on a pier

=

Skin friction for each layer becomes

; 0.00 N

U6lit &a6acity = S,in Friction &a6acity 5 d(esion &a6acity 5 Pier 'eig(t

U6lit &a6acity ; 0.00 @ 0.00 @ !.2" I2 T/

LNR 0 2

D91

C A

S'6 5).

Angle (δ)

Pd1

(γ x Dz1) ^ E++)6 '(Q($ (Q(, P

$; γ D

CQQ%)6 P$1

A(% P$1 ^ F'( %( 6, )& %(% '(Q($

(Q(, P$6 ; _P

$ @ P

$6/2

P6( 5). 51

'&=c""V W2#4#"5+s65+5%#

T& )')% C%%6) $Q )' %$&6' %) % $)& 6 )& Q '+ %$&6' '+ % '6 9' )(%)$ 6(, \&(CA6 6 Q6) %$&6' +'( '6 %( 6,

πDz1

K s1

tan 1 ( d1

) + π BDz2

K s2

tan2 (

d2)

+ π BDz3

K s3

tan3 (

d3) + …….. +

+ π BDzi K

sitan

i (

di)


7/16

; 2.40

; 0.00

; ?.81 7N/3

; 0.!

; 30.00

; 23.4 N/2

; 23.4 N/2

; #REF

; "4."8 N

A$&6' C%%6)

; 0.00 7N

S76 F(6)6' C%%6)

; #REF


U6lit &a6acity ; #REF @ 0.00 @ "4."8 0RF

LNR 0 3

; ".00

; 0.00

; ?.81 7N/3

; 0.?

; 30.00; 8.8" N/2

; 82.40 N/2

; 2.?! N/2

; 148.44 N

A$&6' C%%6)

; 0.00 7N

S76 F(6)6' C%%6)

; !!8.28 7N


U6lit &a6acity ; !!8.28 @ 0.00 @ 148.44 X2I2 T/

LNR 0 4

D92

C A

S'6 5).

Angle (δ)

Pd2

(γ x Dz2)

CQQ%)6 P$2

A(% P$2

P6( 5). 52

D93

C A

S'6 5).

Angle (δ)P

d3 (γ x D

z3)

CQQ%)6 P$3

A(% P$3

P6( 5). 53


8/16

; 3.00

; 0.00

; ?.81 7N/3

; 0.?

; 30.00

; 2?.43 N/2

; 111.83 N/2

; ?!.12 N/2

; !4.22 N

A$&6' C%%6)

; 0.00 7N

S76 F(6)6' C%%6)

; !13.43 7N


U6lit &a6acity ; !13.43 @ 0.00 @ !4.22 YI T/

LNR 0

; 8.0

; 0.00

; ?.81 7N/3

; 0.?

; 30.00

; 83.3? N/2

; 1?.22 N/2

; 13.3 N/2

; 210.2? N

A$&6' C%%6)

; 0.00 7N

S76 F(6)6' C%%6)

; 31?.40 7N


U6lit &a6acity ; 31?.40 @ 0.00 @ 210.2? 34KIX T/

LNR 0

D94

C A

S'6 5).

Angle (δ)

Pd4

(γ x Dz4)

CQQ%)6 P$4

A(% P$4

P6( 5). 54

D9

C A

S'6 5).

Angle (δ)

Pd5

(γ x Dz5)

CQQ%)6 P$

A(% P$

P6( 5). 5


9/16

; 0.00 ; 0.00

; ?.81 7N/3

; 0.!

; 30.00

; 0.00 N/2

; 1?.22 N/2

; 1?.22 N/2

; 0.00 N

A$&6' C%%6)

; 0.00 7N

S76 F(6)6' C%%6)

; 0.00 7N


U6lit &a6acity ; 0.00 @ 0.00 @ 0.00 KIKK T/

LNR 0 1K

; 0.00 N/2

; 1?.22 N/2

; 1?.22 N/2

; 0.00 N

A$&6' C%%6)

; 0.00 7N


U6lit &a6acity ; #REF @ 0.00 @ 4.88 0RF

+O+L !)SHO/ &P&H+N ; KIKK T/

+O+L STH/ FRH&+HO/ &P&H+N ; 0RF

+O+L PHR 'HM)+ ; 4IYY T/

D9"

C A

S'6 5).

Angle (δ)

Pd6

(γ x Dz6)

CQQ%)6 P$"

A(% P$"

P6( 5). 5"

Pd10

(γ x Dz7)

CQQ%)6 P$!

A(% P$!

P6( 5). 5!


10/16

+O+L UPLHF+ &P&H+N ; 0RF #REF 3"8".!2 N #REF

&O-PU++HO/ OF UL+H-+ RH/M &P&H+N

T& $ %(6 %%6) '+ 6( ;

5&(

N ; 3!.2 Φ = 30

N ; 22. N( 1?.!

; 3.142=1.=1.= 0.2=

= 810.837N

;

; 0RF = 0RF

; 0RF 0RF #REF

&O-PU++HO/ OF L+RL &P&H+N OF PHR

R+( SES-P-11?.18 +'( EQ%)6' '+ )& C')%), 6 6 )& T% '\ :-

F%)'( +'( 'Q)%)6' '+ )& S'6 P(Q( :-

0 0 0.00 0.00 1.8 0.00 1.00 0.00 0.00 0.00 0.00

3 30 4.! ".?! 2.03 30.14 0.0 "1.32 1!.!0 0.11 0.22

? 30 4.! ".?! 2.03 30.14 0.0 "1.32 1!.!0 0.11 0.22

12 30 4.! ".?! 2.03 30.14 0.0 "1.32 1!.!0 0.11 0.22

20. 30 4.! ".?! 2.03 30.14 0.0 "1.32 1!.!0 0.11 0.22

C'Q)%)6' '+ )6%) S'6 P(Q( %) %(6'Q %( %(' $)&

T(9%&6 %(6 %%6)+%)'(

+O+L UL+H-+ RH/M&P&H+N

/! RH/M &P&H+N5!)SHO/ &P&H+N5STH/ FRH&+HO/&P&H+N

+O+L UL+H-+ RH/M&P&H+N

+O+L LLO'L RH/M&P&H+N

TOTADEPTH

AN[E OF INT.FRIC. '

'

$5

$N

05

5

%

%

6 6 $.


11/16

C*. SHEAR

FRIC. COHE.

() P6

0 0.00 0.00 ?.81 0.00 0.00 0.00 0.00 0.00 0.00 0.003 3.00 30.00 ?.81 !.02 23.!0 2?.43 20".2 30?.!8 4"4."! 4"4."!? ".00 30.00 ?.81 ?.!? 38.03 88.2? 8"3.?8 ### 481!.2 281.?2

12 3.00 30.00 ?.81 10."? 41.!" 11!.!2 128.8 ### 4!!".3" 1008.28

20. 8.0 30.00 ?.81 12.41 4!.8" 201.11 24?".1! ### 23?38.2 33??".3

qa = / 3 ; 13! N/2

N60 = 0

Sc' = 14. mm ! 25 "ence Sa#e

&O-PU++HO/ OF !P+) OF %RO S)R /! -$I /!H/M -O-/+

FOR &O-PRSSHO/ &S

; 12?!.38 N

DEPTH PRESSRE C*. OAD

3.00 30?.!8 4"4."!

?.00 12?.?! 281.?2

D)& '+ P(Q( D6%. %) P'6) '+ (' S&%(

TOTADEPTH

DEPTH OFAYER D

9

AN[E OFINT.

FRIC.

NIT 5T.OF SOI

PASSIVE RESIST.COEFF.

EFF.OVERBRDENPRESS.

PASSIVEPRESSRE

D ONPIER

AREA OFEARTH AY.

D D D `6 ; 76

&O-PU++HO/ OF LLO'L S++L-/+


12/16

1 ;

; 4.81

P(Q( %) ). '+ 9(' &%( ;


13/16

6 N/3 N/ N N N- N-

0.00 0.00 0 ?.81 0 0 0 0

1431.82 "".?3.00 3.00 30 ?.81 0 20".2 30?.!8 30?.!8 2.81

4.81 1.81 30 ?.81 0 "0!.281 !38.34 1048.12 0.!"

&om6utation o !e6t( o Rotation &enter "/oted as ]$1]#

S1 ; T')% S&%( )\ P'6) '+ (' S&%( Z R')%)6' C)(

S2 ; T')% S&%( '\ R')%)6' C)(

CQ. A(% +('X1 RE*ARS

C*. AREA

8!?.33 1888.2!

T' B')). 32"?!.? 3!44.2"

0.00 0.00 0.00 0.00 0.0 0.00

1.3"

23?38.2

3.00 3.00 0.00 0.00 0.0 0.00 0.00

4.81 1.81 "0!.28 0.00 0.0 32"?!.? 12.00

?.00 4.1? 12?.?! 3?82.?! 3?83.0 28!14."1 20.0

12.00 3.00 1888.2! 4!!".3" 8!?.3 23?38.2 8.0

20.0 8.0 3!44.2" 23?38.2 32"?!." 0.00

C&7 +'( %Q '+ S1 Z S2 :-

S1 ; 8,!?.333@ ; 1"348.!?3

S2 ; 23,?38.23- ; 1"348.!?3 S1 ; S2, & '.7.U

! P

#N/A #N/A

#N/A #N/A

#N/A #N/A

#N/A #N/A

#N/A #N/A #N/A

#N/A #N/A

S UHL+ N DATEDOC*ENT TITE INDEX PANT NO DOC*ENT NO. SHEET NO. REV.

#REF 0RF 0RF 000

CONSTRCTION OF 230V OHT BET5EEN SAFANIYAH 3807V BSP Z 2307V S/S

SF/HN) SU!H RH JOB ORDER NO. #REF DOC.CON.SHT. #REF

&om6utation o -oment a*out Point o %ero S(ear

A' C)( '+ R')%)6' :-

.

P%6 C%%6) '+ S'6 %' P). '+R')%)6' %% )&%) '\ 6).

TOTADEPTH

DEPTH OFAYER D

9

SOIPRESSR

E

AREA NDERPRESS. DIA[.

PRESSRE

S1A

S1$

S % & l P ' e ( (

= 2

6

2 2 .

) 6

S2A

S2$

DA

D$

Dz($*A)

0.00 0.00 0.00 0.00 0.00 0.00

Soil Pressure 4*ove ̂ elo_ &enter o Rotation

P

o

i n

t

o

f

" 0

"

S

h

e

a

r


14/16

DEPTH RESSR OAD-1 AR*-1 OAD-2 AR*-2 *O*ENT

N N N-

4.81 #N/A #N/A #N/A 0.00 0.00 #N/A

#N/A #N/A #N/A #N/A #N/A #N/A #N/A



B'\ C)( '+ R')%)6' :-

DEPTH RESSR OAD-1 AR*-1 OAD-2 AR*-2 *O*ENT

N N N-

1.3" #N/A #N/A #N/A 0.00 0.00 #N/A


)ence` /et Resisting -oment a*out Point o %ero S(ear = 0/ 0/

Overtuning -oment a*out Point o %ero S(ear = IX ,/.m

Factor o Saety = 0/ 0/

&(ec, or Stu* ngle to *e ccomodated inside t(e circle o reinorcementZ

; 100

C%( C'( '+ '() ; ! D6%)( '+ 6(Q%( T6 ; 12 D6%)( '+ V()6% S) ; 32

D6%)( '+ 66$ 6( '+ ; 100 - - -

2=32

Diameter of inside circle = 1262 mmof reinforcement "B"

S+U /ML !+ FRO- FRH&+HO/ !R'H/MZ

V()6% )& '+ S)Q % '\

'() Q)' +Q $) ; 2?!

I6$ )& '+ S)Q % '\

'() Q)' +Q $) ; 303.

D66' '+ S)Q % ; 200

D66' '+ C%) % ; 130

; !8.4 $

N/2

N/2

D6%)( '+ P6 ]&]

(6+'() ]]

S' '+ )Q \6)& H'(69')% ]S]


15/16

H'(69')% )& '+ )Q %

)' %''$%)$ 6 '() ;

a0. @ 200 @ 130

; ?33

N'\ +(' )& %' %Q%)6' %$ &'\ +6Q(, \ % )&%)

!

Hence stub angle can be easily accomoate insie the circle of reinforcement consiering the slo!e of stub

an outermost cleat angle.

6Q$6 %) ]!].


16/16

Saudi lectricity &om6anyE%)( R6' B(%&

789:; ?@ABCD>E ?:G>EG KLM G

DES!" #$ PEDES%&'

Design 'oa( on Pe(estal )*

+%, De&gn -%ce a, % %# Ped. ae g&en el% *

ae * 1

l Ax&al %ad P = 89-: ;N

l SA?9: l#*&n

= >A?9: ;N*m

"ence %men, aac&, %# Sec,&%n &n #lex@e Φ = 0.55 A*31 l. .3.5l = ;N*m E @ F.G.

S,eng,< %# Sec,&%n &n c%me&%n Φ = 0.55 A*31 l. .3.5

l = 0.55B0.6B#'cB(1*(lc/(32A?9: l#

= >A?9: ;N E P@ F.G.

S,eng,< %# Sec,&%n &n c%m&ned ax&al I #lex@e

l = 89-: ae * 1 a%e

l = >A?9: F.G. ae * 2 a%e

en,e/ un*reinfor,e( se,tion is safe.

o0eer 2roi(e 16 nos. 16 (ia re3ars.

&n3

Φn

ΦPn

P@ / ΦPn J @zz / Φn J @xx / Φn

P@ / ΦPn J @zz / Φn J @xx / Φn

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