baja baru edit

7/26/2019 Baja Baru Edit

1/52

BAB I

PENDAHULUAN

1.1 Data-Data Perencanaan

230 230 230 230 230230230230

190

190

190

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'

E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

1.2. Perhitungan Panjang Batang

a. Kemiringan Kuda-Kuda

tg =2,9

8,3= 0,413

= 20,806

b. Batang Kaki Kuda Kuda Ata!

A1 = A2 = A3 = A4 = A4= A3= A2= A1= A

A =

cos = 443,22cos

2,9

A = 9,954 meter

A1 =4

A= 2,4885 meter

c. Batang Kaki Kuda Kuda Ba"ah

1

1


2/52

B1 = B2 = B3 = B4 = B4= B3= B2= B1= B

B =

cos = 443,22cos2,9

B = 9,954 meter

B1 =4

A= 2,4885 meter

d. Batang Diag#na$

Karena, segitiga VDB aa!a" segitiga sem#arang, ma$a

VBD = 90o% 20,806o = 6&,55&o

" % V ' sin = 1,9 sin 6&,55&o % 1,&56 meter

a = V ' cos = 1,9 cos 6&,55&o % 0,&25 meter

# = B % a = 2,488 % 0,&25 = 1,&63 meter

D = 22 bh + = &63,1&56,1 22 + = 2,4883 meter

D1 = D2 = D2= D1= D

D = 2,4883 meter

(1 = (2 = (2= (1= (

( = 6&,55&)osVB222 ++ BV

= 0,382'2,4881,9''2488,29,1 22 ++ = 3,6626 meter

( =sin

V=

*55&,6&180sin+ R

( = sin = RV *55&,6&180sin+

( = sin =6626,3

*55&,6&180sin+9,1 = 0,4&95

( = A) sin 0,4&95 = 65,28

( = 3,6626 meter

e. Batang &ertika$

V1 = V2= V3= V4= V5= V5= V4= V3= V2= V1= 1,9 meter

2

2


3/52

'abe$ 1.1 Panjang Batang

BtgPjg

BtgBtg

Pjg

BtgBtg

Pjg

BtgBtg

Pjg

BtgBtg Pjg

Btg

A1

A2

A3

A4

A4

A3

A2

A1

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

B1

B2

B3

B4

B4

B3

B2

B1

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

2,4885

V1

V2

V3

V4

V4

V3

V2

V1

1,9

1,9

1,9

1,9

1,9

1,9

1,9

1,9

D1

D2

D2

D1

2,4883

2,4883

2,4883

2,4883

(1

(2

(2

(1

3,6626

3,6626

3,6626

3,6626

BAB II

PE(EN)ANAAN *+(DIN*

3

3


4/52

- .ara$ antara goring = = 1,34 m

- .ara$ antara $/a %$/a = 4 m

- Berat seniri ata genteng reng an $asa/ = 5 $gm2

2.1. Perhitungan ,uatan *#rding

nt/$ $asa/ an reng ia$ai $a/ semanto$ engan B. = 0,98 grcm2

#erasar$an 1983, irencana$an mema$ai goring engan roi! )7 6,5

ari atar roi! #aa iaat

: = 5&,5 cm4'

= 14,1 cm4

;: = 1&,& cm3

; = 5,0& cm3

< = 9 cm2

= &,09 $gm

# = 42 mm = 4,2 cm

= 5,5 mm = 0,55 cm

" = 65 mm = 6,5 cm

r t = &,5 mm = 0,&5 cm

: = 14,2 mm = 1,42 cm

= 32,5 mm = 3,25 cm

2.1.1. ,uatan ,ati

- #erat seniri )7 14 = &,090 $gm

- #erat ata seng meta! = 6,&00 $gm

./m!a" = 13,&90 $gm

:= cos

4

4

xh

h/2

d

yb

=:

=

=3

:


5/52

= sin

: = cos = 13,&90 : cos 20,806 = 12,891 $gm

= sin = 13,&90 : sin 20,806 = 4,898 $gm

>: = 2

: ?'=8

1 =

8

1: 12,891 : 42 = 25,&82 $g m

> =2

?'=

8

1=

8

1: 4,898 : 42 = 9,&96 $g m

D: = ?'=2

1: =

2

1: 12,891 : 4 = 25,&82 $g

D = ?'=2

1 =

2

1: 4,898 : 4 = 9,&96 $g

2.1.2. ,uatan Hidu

a. ,uatan 'eru!at

>/atan ter/sat a$i#at e$era orang engan era!atan minim/m = 100 $g + 1983 *

: = cos = 100 : cos 20,806 = 93,4&9 $g

= sin = 100 : sin 20,806 = 35,520 $g

>: = '?4

1: =

4

1: 93,4&9 : 4 = 93,4&9 $g

> = '?4

1 =

4

1: 35,52 : 3 = 35,52 $g

D: = :2

1=

2

1: 93,4&9 = 46,&40 $g

5

5

=:

=

=3

:

: = cos

= sin


6/52

D = 2

1 =

2

1: 35,52 = 1&,160 $g

b. ,uatan Air Hujan

>/atan air "/an iangga se#agai m/atan ter#agi rata er m2 #iang atar

#esar tergant/ng aa s//t $emiringan + men/r/t 1983*, imana aa

saat @ 50 i"it/ng engan r/m/s = 40 % 80 $gm2

= 40 - 0,8 : 20,806

= 23,355 $gm2

m/atan air "/an ang iterima goring + ermeter anang * aa!a"

= 23,355 : 1,34

= 31,296 $gm

: = cos = 31,296 : cos 20,806= 29,255 $gm

= sin = 31,296 : sin 20,806 = 11,116 $gm

>: = 2

: ?'=

8

1 =

8

1: 29,255 : 42 =

58,610 $gm

> =2

?'=

8

1 =

8

1: 11,116 : 42 =

22,232 $gm

D: = ?'=2

1: =

2

1: 29,255 : 4 = 58,610 $g

D = ?'=2

1: =

2

1: 11,116 : 4 = 22,232 $g

2.1. ,uatan Angin

>/atan angin ang #e$era 40 $gmtega$ !/r/s ter"aa #iang ata se"ingga

$omonen #e#an angin "ana ter"aa s/m#/ : men/r/t + 1983 * #i!a

20,806 ma$a $oeesien angin te$an

= 0,020 : - 0,4

= 0,020 : 20,806 % 0,4

6

6


7/52

= 0,0016

$oeesien angin "isa = - 0,4

a. Angin 'ekan

: = 0,0016 : 1,34 : 40 = 0,858 Kgm

= 0 + ara" angin tega$ !/r/s #iang ata, se"ingga tia$ /na ni!ai*

>: = 2

: ?'=8

1 =

8

1: 0,858 : 42 = 1,&16 Kgm

> = 0

D: = ?'=2

1: =

2

1: 0,858 : 4 = 1,&16 Kg

D = 0

b. Angin Hi!a

: = - 0,4 : 1,34 : 40 = -21,440 $gm

= 0 + ara" angin tega$ !/r/s #iang ata,se"ingga tia$ /na ni!ai *

>: = 2: ?'=81

= 81

: -21,440 : 42 = -

42,880 Kgm

>= 0

D: = ?'=2

1: =

2

1: -21,440 : 4 = - 42,880 Kg

D = 0

&

&


8/52

a#e! 2'1' Kom#inasi em#e#anan

>D>AA7 >A

>AA7 CD >AA7 A77 KE>B7AF

>/atan ter/sat >/atan air "/an te$an "isa rimer se$/ner

1 2 / 0 % 1 2 3 % 1 2 /

>: +$g'm*

> +$g'm*

D: +$g*

D +$g*

25,&82

9,&96

25,&82

9,&96

93,4&9

35,520

46,&40

1&,&60

58,510

22,232

58,510

22,232

1,&16

-

1,&16

-

- 42,88

-

- 42,88

-

119,261

45,316

&5,522

2&,556

120,9&&

45,316

&4,238

2&,556

&

&


9/52

2.2 K#ntr#$ 'egangan Untuk *#rding

egangan a$i#at em#e#anan teta + $om#inasi rimer *

>: = 119'261 $gm

> = 45'316 $gm

;: = 1&'&00 cm3

; = 5'0&0 cm3

2

:

:t# cm

$g598'156&5'0&

6'4531

1&'&

11926'1

;

>

;

>G =+=+=

t#= 156&'598 $gcm2 H G = 1600 $gcm2 Aman

egangan a$i#at em#e#anan sementara + $om#inasi se$/ner *

>: = 120'9&& $gm

> = 45'316 $gm

;: = 1&'&00 cm3

; = 5'0&0 cm3

2

:

:t# cm

$g293'15&&5'0&

6'4531

1&'&

1209&'&0

;

>

;

>G =+=+=

t#= 15&&'293 $gcm2 H G = 1,3 : 1600 = 2080 $gcm2 Aman

8

8


10/52

2. K#ntr#$ 'erhada Lendutan

?en/tan A$i#at >/atan >ati1I

< = 0'135 cm

1< = 1'452cm

?en/tan A$i#at >/atan Ci/

2:< =0,004 cm

2< =0,042 cm

?en/tan A$i#at >omen Angin

3:< = 0


11/52

: = 5&'5 cm 4'

= 14'1 cm4

# = 42 mm = 4'2 cm

= 5'5 mm = 0,55 cm

" = 65 mm = 6'5 cm

r t = &'5 mm = 0'&5 cm

: = 14'2 mm = 1'42 cm

= 32'5 mm = 3'25 cm

er"it/ngan >omen Ftatis Dari Biang eser oring

er"aa F/m#/ : % :


12/52

I2 = 1,42 -2

55,0= 1,145 cm

I3 =2

42,1= 0,&10 cm

F = +


13/52

.1 Perhitungan ,uatan

>/atan-m/atan ang a$an i!ima"$an $e tia titi$ #/"/! aa rang$a $/a-

$/a aa!a" m/atan "i/,m/atan angin, er"it/ngan m/atan terse#/t aa!a"

se#agai #eri$/t

.1.1 muatan mati

#erat ata genteng = 5 $gm2

#erat goring )7 6'5 = &'09 $gm2

#erat $/a-$/a "it/ng #erasar$an r/m/s ene$atan ari r !oa Oan $iong

= + ? % 2 * s + ? 5 * $gm

2

= +20 % 2 * s +120 5 * $gm2

= 18 $gm2s 25 $gm2

se#agai stanar iam#i! ang ma$sim/m = 23,4 $gm2

#erat enggant/ng !aon = +& $gm2 11$gm2* = 18 $gm2

#erat #reac"ing + i$atan angin * iam#i! 25P ari #erat $/a-$/a

.1.2 ,uatan Hidu

a' >/atan ter/sat

>en/r/t 198& m/atan #e#an "i/ ang aat icaai an i#e#aani

o!e" orang aa!a" se#esar 100 $g'

#' >/atan Air C/an

>/atan air "/an #e$era aa titi$ #/"/! #agian atas, #esarna tergant/ng

aa s//t $emiringan + 198&* imana H 50 i"it/ng engan r/m/s

= 40 % 0,8 $gm2

= 40 % 0,8 +20,806*

= 23'355 $gm

.2. Pe$imahan Beban 'erhada 'itik Buhu$

.2.1. Pe$imahan ,uatan ,ati dan ,uatan Hidu 5Pembebanan 'eta6

12

12


14/52

'itik buhu$ bagian ata!

iti$ #/"/! A -

Be#an genteng seng meta! +12 :2,6&5*:4:5 = 26'&50 $gm

Be#an oring 1'5 : 4 : &'09 = 42'540 $gm

Be#an $/a-$/a Q +2'6&52'6&51'9*:25 = 90'625 $gm

Berat #reac"ing R : #erat $/a - $/a = 22'656 $gm

Be#an air "/an Q +2'6&5* : 4 : 23'355 = 124'949 $gm

= 30&'521 $gm

iti$ B/"/! B=)=D=


15/52

Be#an $/a-$/a12+1,92,6&5*: 25 = 5&'181$gm

Berat !aon enggant/ng

1

2+2,6&5*:4:18 = 96'282$gm Berat Brac"ing 12#erat $/a-$/a = 14'295$gm

Be#an e$era = 100 $gm

=26&'&59$gm

iti$ B/"/! $a$i $/a-$/a K=>=E=S

Be#an $/a-$/a1

2+2,6&52,6&51,93,&952,6&5*: 25 =1&1'488$gm Berat !aon enggant/ng 12+2,6&52,6&5*:4:18 =192'564$gm

Berat Brac"ing 12#erat $/a-$/a = 42'8&2$gm


=392,053$gm

iti$ B/"/! $a$i $/a-$/a ?=

Be#an $/a-$/a12+2,6&52,6&51,9*: 25 =90'613 $gm

Berat !aon enggant/ng 12+2,6&52,6&5*:4:18 =192'564$gm

Berat Brac"ing 12#erat $/a-$/a =22'653 $gm


=405'830$gm

.1.2. Per$imahan ,uatan Angin

- >/atan Angin +;* = 40 $gm2

- $emiringan ata + * = 20,8060

Angin 'ekan

Koeisien Angin e$an + 0,02 % 0 ,4*

= 0,02 : 20,806 % 0,4

= 0'016

14

14


16/52

Be#an angin te$an = 0,016 : 40 = 0'64 $gm2

iti$ #/"/! A=B

= 12: 2,6&5 : 0'016 : 4 : 40 = 3'424 $g

iti$ #/"/! )=D=


17/52

'ABEL .1 *A4A BA'AN*

16

16


18/52

BAB I&

PENDE,EN7IAN P(+8IL KUDA- KUDA

/.1. Batang Kaki Kuda Kuda Ata! 5 A1 79D A1 :6

aa #atang ang #e$era

- = 995&,914 +te$an*

- ?: = 2,4885 m = 248,850 cm

1' ma:= 140

x

xx

i

KL

K:= 1 isini t/m/an iangga seni-seni

nt/$ erencanaan ata, #atang te$an ma:= 140 Kgcm3

cm&&8,1140

1850,248

T

K?i

ma:

::

: =

=

=

ii!i" roi! &5 ' &5 ' 8

: = = 58,9 cm4

i: = i = 2,26 cm

e = 2,13 cm

< = 11,5 cm

iU = 1,46 cm

; = 40 mm = 0,4 cm enamang i!ema"$an

Kontro!

:= 140111,11026,2

1850,248


19/52

.ai agar #atang A1 an A1aman, ma$a #atang ini "ar/s i#eri e!at $oe!

agar #atang tia$ mene$/$, /nt/$ menent/$an /m!a" e!at Koe! ia$ai

r/m/s ene$atan'

i=in

KiLi

?i = cm000,&31

46,150

$i

inTi==

x

.ai #ana$na !aangan

5409,3000,&3

850,248==

Li

L

se"inga ?i = cm&&0,495

248,850

5

?==

Kontro!

i = 50cm089,431,46

1&&0,94


20/52

22 *089,34+2

2*595,&4+ +=

= 82,015 140 aman

4' :1,2 ' i

:= 110,111

1,2 i= 1,2 +34,089* = 40,90&

110,111 40,90& aman

5' iy1,2 ' i

i= 98,892

1,2 i= 1,2 +34,089* = 40,90&

98,892 40,90& aman

6' =nF

wp

21600 cmKg=

O = a$tor te$/$

nt/$ menent/$an "arga O tergant/ng aa :an ian ang ii!i" aa!a"

mem/nai "arga ang a!ing #esar'

: = 110,111 +ang ii!i"*

i = 98,892

ari atar $onstr/$si #aa, /nt/$ #aa 3& =


21/52

2$gcm1600841,10145,112

914,995&344,2

n1= 1958,912 '2

1++0,8* 2 ' 0,4*

= 2350,694 Kgcm

:2 = 0

2= 2 : 2,52 = 12,5

:2 2 = 12,5

aa ang #e$era aa #a/t a$i#at 1!angs/ng

KW# = Ba/t./m!a"nKg456,9&92

1958,912

n

1 ===

K"# = 0

A$i#at momen

758

75

30

50

30

30

50

30

20

20


22/52

KWm = $g012,5

02350,694

XX:

>22

1 =

=+

K"m = $g166,56418

32350,694

XX:

>22

1 =

=+

KW = 9&9,456 0 = 9&9,456 Kg

K" = 0 564,166 = 564,166 Kg

K = 22 K"KW +

= 22 *166,564+*456,9&9+ +

K = 1130,31& Kg

gs = n4

1' 2' 0,6 gs = K

G0'6Y

gs4

=

16006,014,31

31&,11304

=

= 1,225 cm

ico#a Z 12[ = 1,2&0 cm

t = 2 ' = 2 ' +1,2&0* = 2,540 \ 3 cm

= 3'5 ' = 3'5 +1,2&0* = 4,445 \ 5 cm

gs = 1'4

1' 3,14 +1,2&*2' 0,6 ' 1600

= 1215,481 $g

gs = 1215,481 Kg ] 1054,906 Kg +aman*

7;arat K#ntr#$ e$at K#e$

#

21

21


23/52

+==


24/52

ai #atang A1s A1 ig/na$an roi! &5 ' &5 ' 8 engan mema$ai $oe!

+ 158 : 110 : 8 *

/.2. Batang Kaki Kuda Kuda Ba"ah 5 B1 79D B1 :6

aa Jang Be$era aa Batang V1s V1

- esain = 10&&9,108 Kg +tari$*

- ?: = 248,850 cm


25/52

240490,2381,26

1500,300

in

K?T ::1


26/52

240&94,1501,26

1000,190

in

K?T ::1


27/52

240130,2291,15

15,263

in

K?T ::1


28/52

i=in

KiLi

?i = cm881

&6,150

$i

inTi == x

.ai #ana$na !aangan

5162,4000,&3

260,366==

Li

L

se"inga ?i = cm252,&35

366,260

5

? ==

Kontro!

i = 50cm620,411,&6

1252,&3


29/52

11':1,2 ' i133,6&1 ] 1,2+41,620*

133,6&1 49,944 aman

12'iy1,2 ' i

99,492 1,2+41,620*

99,492 49,944 aman

13' =nF

wp

21600 cmKg=

O = a$tor te$/$

nt/$ menent/$an "arga O tergant/ng aa :an ian ang ii!i" aa!a"

mem/nai "arga ang a!ing #esar': = 133,6&1 +ang ii!i"*

i = 99,492

ari atar $onstr/$si #aa, /nt/$ #aa 3& =


30/52

e!at $oe! mena"an saa !intang a!am ara"

ang #er!aOanan se"ingga tim#/! momen

$oe! se#esar

> = D ' ?i = 101,1&9 : &3,252

= &411,544 $gcm

egangan ang terai a$i#at gaa !intang

> = +2e a*

= $g389,12390,92+2,54*

&411,544

a2e

>=

+=

+

A$i#at e!at a$an menga!ami rea$si se#esar

2O*+a2

1B>

$g389,12391

1239,389B

$oe!/m!a"nn

BB

11

1

1

+=

==

=

>1= 1239,389 '2

1++0,9* 2 ' 0,5*

= 558,&25 Kgcm

:2 = 0

2= 2 : 2,52 = 12,5

:2 2 = 12,5

aa ang #e$era aa #a/t a$i#at 1!angs/ng

KW# = Ba/t./m!a"nKg695,6192

1239,389

n

1 ===

K"# = 0

A$i#at momen

KWm = $g012,5

0558,&25

XX:

>22

1 =

=+

29

29


31/52

K"m = $g094,13412,5

3558,&25

XX:

>22

1 =

=+

KW = 619,695 0 = 619,695 Kg

K" = 0 134,094 = 134,094 Kg

K = 22 K"KW +

= 22 *094,134+*695,619+ +

K = 634,03& Kg

gs = n4

1' 2' 0,6 gs = K

G0'6Y

gs4

=

16006,014,31

03&,6944

=

= 0,843 cm

ico#a Z 12[ = 1,2&0 cm

t = 2 ' = 2 ' +1,2&0* = 2,540 \ 3 cm

= 3'5 ' = 3'5 +1,2&0* = 4,445 \ 5 cm

gs = 1'4

1' 3,14 +1,2&*2' 0,6 ' 1600

= 1215,481 $g

gs = 1215,481 Kg ] 634,03& Kg +aman*

7;arat K#ntr#$ e$at K#e$#

30

30


32/52

+==


33/52

PE(HI'UN*AN BAU' PADA 'I'IK BUHUL

0.1. Kekuatan Baut

G = 1600 $g cm2

N = 0,6 : 1600 = 960 $gcm2

Gt/ = 1,5 : 1600 $gcm2 = 2400 Kgcm2

0.1.1. Penentuan Diameter Baut

Dari #/$/ ir !ao iaat r/m/s ene$atan

e1 =2

tb +imana # = !e#ar roi!

e2 = # % e1 t = te#a! roi!

e2 = ^ 1,5 = iameter #a/t

e2 = @ 3,5 e1 = #iang : e2 = #iang

a' Batang Ka$i K/a-K/a + A1 s A1* _ &5' &5' 8

e1 =2

t# + =2

8&5+ = 41,5 mm

e2 = &5 % 41,5 = 33,5 mm

ico#a Z 512` = 10,58 mm

1,5 : +10,58* @ e2 @ 3,5 : +10,58*

15,88 mm @ 33,5 mm @ 3&,04 mm

#' Batang CoriLonta! + B1 s B1* _ 65' 65' &

e1 =2

t# +=

2

&65+= 36,00 mm

e2 = 65 - 36 = 29 mm

ico#a Z 12` = 12,& mm

1,5 : +12,&* @ e2 @ 3,5 : +12,&*

19,05 mm @ 29 mm @ 44,45 mm

32

32


34/52

c' Batang Verti$a! + V1 s V1* _ 65' 65' &

e1 =2

t# +=

2

&65+= 36 mm

e2 = 65 % 36 = 29 mm

ico#a Z 12` = 12,& mm

1,5 : +12,&* @ e2 @ 3,5 : +12,&*

19,05 mm @ 29 mm @ 44,45 mm

' Batang Diagona!+ D1 s D1* _ 60' 60' 10

e1 =2

t# +=

2

1060+= 35mm

e2 = 60 % 35 = 25 mm

ico#a Z 512` = 10,58 mm

1,5 : +10,58* @ e2 @ 3,5 : +10,58*15,88 mm @ 25 mm @ 3&,04 mm

e' Batang Diagona!+ (1 s (1* _ 90' 90' 9

e1 =2

t# +=

2

990+= 49,5 mm

e2 = 90 % 49,5 = 40,5 mm

ico#a Z 12` = 12,& mm

1,5 : +12,&* @ e2 @ 3,5 : +12,&*

19,05 mm @ 40,5 mm @ 44,45 mm

0.1.2 Perhitungan Kekuatan Baut

te#a! !at #/"/! = 10 mm

sam#/ngan enamang 2

33

33


35/52

/nt/$ roi! _ &5' &5' 8

te#a! roi! t1 = 2 : 8 = 16 mmt2 = 10 mm

t ter$eci! = 10 mm

/nt/$ roi! _ 65' 65' &

te#a! roi! t1 = 2 : & = 14 mm

t2 = 10 mm

t ter$eci! = 10 mm

/nt/$ roi! _ 65' 65' &

te#a! roi! t1 = 2 : & = 14 mm

t2 = 10 mm

t ter$eci! = 10 mm

/nt/$ roi! _ 60' 60' 10 te#a! roi! t1 = 2 : 10 = 20 mm

t2 = 10 mm

t ter$eci! = 10 mm

/nt/$ roi! _ 90' 90' 9

te#a! roi! t1 = 2 : 9 = 18 mm

t2 = 10 mmt ter$eci! = 10 mm

.ai te#a! roi! ang ter$eci! aa!a" 10 mm

/nt/$ #a/t Z 512` = 1,058 cm

gs= n4

1Y ' 2 ' 0,6 ' G

34

34


36/52

= 2 :4

1: 3,14 : +1,058*2 : 0,6 : 1600 = 168&,105 $g

t/ = !# ' t ' 1,5 ' 1600

= 1,158 : 1 : 1,5 : 1600 = 2&&9,2 $g

gs H t/ = 168&,105$g H 2&&9,2 $g

P % 222


37/52

60' 60'

10

90'90'

9

168&,10

5

2430,96

3

0.2. Perhitungan >um$ah Baut Pada 7etia 'itik Buhu$

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'

E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

0.2.1. 'itik Buhu$ A

V1= 4103,&68 $g

B1= 244,488 $g

nt/$ #atang V1ig/na$an #a/t 12`

./m!a" #a/t #/a"2248,13288

4103,&68

V1 ===

nt/$ #atang B1ig/na$an #a/t 12`

./m!a" #a/t #/a"0&4,03288

244,488

B1 === = 2 #/a"

Perencanaan angker

nt/$ memi!i" /$/ran an ara$ ang$er aa ertem/an antara #atang

"oriLonta! engan $a$i $/a-$/a iasar$an atas gaa "oriLonta! a$i#at

engar/" angin "isa an angin te$an ang menim#/!$an rea$si "oriLonta!

B1

V1

36

36


38/52

1 = es/!tan Angin e$an

= 8,214 16,428 16,428 16,428 8,214

= 65,&12 $g

2 = es/!tan Angin Cisa

= 6&,1895 134,3&9 134,3&9 134,3&9 6&,1895

= 53&,516 $g

>A = 0

- BW'18,4 % b+2'cos 13,8* +1'cos 4,6* = 0

- BW'18,4 % b+53&,516' )os 20,806 : 13,8* +65,&12' )os 20,806:4,6* = 0

- BW'18,4 % +6855,901 2&9,381* = 0

- BW'18,4 % &135,282 = 0

- BW =18,4

&135,282

BW = 38&,&8& $g +-* + d *

>B = 0

AW '18,4 % +1'cos 13,8 * +2'cos 4,6* = 0

AW '18,4 % +111&,523, 2285,300* = 0

AW '18,4 % 3402,823= 0

AW =4,18

823,3402

AW = 184,936 $g + *

>K = 0

AC - +1'sin V3* - +2sin V3* = 0

AC - +1'sin 1,900* - +2sin 1,900* = 0

AC % 4&,664 % 389,888 = 0

AC = 43&,552 $g

Fe#agai enam#/ng !at #/"/! engan !at _ aa t/m/an ig/na$an

f #a/t 512` +10,58 mm* engan gaa = 2&&9,2 /m!a" #a/t +n*

3&

3&


39/52

n = #/a"20,15&2&&9,2

43&,552

AC==

/$/ran ang$er ang irencana Z #a/t 512` +1,058 cm* engan gaa

= 2&&9,2 sam#/ngan tamang sat/'

gs = n4

1'Y ' 2 ' 0,6 ' G = 1 :

4

1:' 3,14 : +1,058*2 : 0,6 : 1600

= 843,553 $g

t/ = !# ' t ' 1,5 ' 1600 = 1,158 : 1 : 1,5 : 1600 = 2&&9,2 $g

gs H t/

./m!a" ang$er +n* = #/a"4295,3843,5532&&9,2

gs

==

aa $ontr/$si ini ig/na$an #eton engan K 1&5 ang men/nai

tegangan iLin esa$ Gs= 60 $gcm2 irencana$an !at +158 : 100 : 8*

Be#an ang i/$/ng !at aa!a"

= 15,8 : 10 : 60 : = 9480 $g ] aW = 184,936 $g + aman *

0.2.2 'itik Buhu$ )

A1 = 4598,130 Kg

D1 = 46&2,550 Kg

V1 = 4103,&68 Kg

nt/$ #atang A1i g/na$an Z #a/t 512`

./m!a" #a/t #/a"21,6552&&9,2

4598,130

A1 ===

nt/$ #atang D1ig/na$an Z #a/t 512`

./m!a" #a/t = #/a"2681,12&&9,2

46&2,550

D1 ===

nt/$ #atang V1ig/na$an Z #a/t 12`

C

A1

V1

D1

38

38


40/52

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

./m!a" #a/t = #/a"2248,13288

4103,&68

V1 ==

0.2.. 'itik Buhu$ D

A1 = 4598,130 Kg

A2 = 4604,&84 Kg

V2 = 653,322 Kg

nt/$ #atang A1ig/na$an #a/t 512`

./m!a" #a/t #/a"655,12&&9,2

4598,130

A1 === \ 2 #/a"

nt/$ #atang A2ig/na$an Z #a/t 512`

./m!a" #a/t #/a"21,65&2&&9,2

4604,&84

A2 ===


./m!a" #a/t = #/a"2199,03288

653,322

V2 ==

0.2./. 'itik Buhu$ E

A2 = 4604,&84 Kg

A3 = 9951,254 Kg

D2 = 1981,566 Kg

V3 = 344,950 Kg

(1 = 5058,936 Kg


./m!a" #a/t #/a"21,65&2&&9,2

4604,&84

A2

===

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

39

39


41/52


./m!a" #a/t #/a"43,5812&&9,2

9951,254

A3 ===


./m!a" #a/t = #/a"2&13,02&&9,2

1981,566

D2 ===


./m!a" #a/t = #/a"2105,03288

344,950

V3 ==

nt/$ #atang (1ig/na$an Z #a/t 12`

./m!a" #a/t = #/a"2539,13288

5058,936

(11 ==

0.2.0. 'itik Buhu$ 8

A3 = 9951,254 Kg

A4 = 995&,914 Kg

V4 = 653,322 Kg


./m!a" #a/t #/a"43,5812&&9,2

9951,254

A3 ===


./m!a" #a/t #/a"43,5832&&9,2

995&,914

A4 ===

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'

E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

40

40


42/52


./m!a" #a/t = #/a"2199,03288653,322

V4 ==

0.2.. 'itik buhu$ *

A4 = 995&,914 Kg

A4 = 9606,812 Kg

(2 = 1068,329 Kg

(2 = 1444,668 Kg

V5 = 839&,562 Kg


./m!a" #a/t #/a"4583,32&&9,2

995&,914

A4 ===


./m!a" #a/t = #/a"445&,32,2&&9812,9606

A4 ==


./m!a" #a/t = #/a"2325,03288

1068,329

(2 ===

nt/$ #atang (2 ig/na$an Z #a/t 12`

./m!a" #a/t = #/a"2439,03288

1444,668

(2 ==


./m!a" #a/t = #/a"3554,23288

839&,562

V5 ==

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

41

41


43/52

0.2.3 'itik Buhu$ L

B1 = 244,488 Kg

B2 = 82&6,&58 Kg

V2 = 653,322 Kg

D1 = 46&2,550 Kg

(1 = 5058,936 Kg

nt/$ #atang B1ig/na$an Z #a/t 12`

./m!a" #a/t #/a"20,0&43288

244,488

B1 ===


./m!a" #a/t #/a"32,51&3288

82&6,&58

B2 ===

nt/$ #atang V2ig/na$an Z #a/t1

2`

./m!a" #a/t = #/a"2199,03288

653,322

V2 ==


./m!a" #a/t = #/a"2681,12&&9,2

46&2,550

D1 ===


./m!a" #a/t = #/a"2539,13288

5058,936

(1 ===

0.2.? 'itik Buhu$ ,

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'

E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

42

42


44/52

B2 = 82&6,&58 Kg

B3 = 82&6,&58 Kg

V3 = 344,950 Kg


./m!a" #a/t = #/a"351&,23288

&58,82&6

B2 ==


./m!a" #a/t = #/a"351&,23288

82&6,&58

B3 ==


./m!a" #a/t = #/a"2105,03288

344,950

V3 ==

0.2.? 'itik Buhu$ N

B3 = 82&6,&58 Kg

B4 = 10&&9,108 Kg

D2 = 1981,566 Kg

V4 = 653,322 Kg

(2 = 1068,329 Kg


./m!a" #a/t = #/a"351&,23288

&58,82&6

B3 ==


./m!a" #a/t = #/a"42&8,33288

10&&9,108

B4 ==


V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

43

43


45/52

./m!a" #a/t = #/a"2&13,02&&9,2

1981,566

D2 ==


./m!a" #a/t = #/a"2199,03288

653,322

V4 ==


./m!a" #a/t = #/a"2325,03288

1068,329

(2 ==

0.2.? 'itik Buhu$ +

B4 = 10&&9,108 Kg

B4 = 10&&9,108 Kg

V5 = 839&,562 Kg


./m!a" #a/t = #/a"42&8,33288

108,10&&9

B4 ==

nt/$ #atang B4 ig/na$an Z #a/t 12`

./m!a" #a/t = #/a"42&8,3328810&&9,108

B4

==


./m!a" #a/t = #/a"3554,23288

839&,562

V5 ==

0.2. 7ambungan Peranjangan Batang

0..1. Batang Kaki Kuda Kuda Ata! 5 A1 6

V1

D1

B1

B2

A1

V2

E1

D2

E2

B3

B4

B1'

B2'

B3'

B4'

V3

V4

V5

A2

A3

A4

V1'

D1'

A1'

V2'E1'

D2'

E2'

V3'

V4'

A2'

A3'

A4'

A

C

L

M

N

OD

E

F

G

H

I

J

K

B

R

Q

P

44

44


46/52

anang #atang = 2,4885 m : 4 = 9,954 m

$/ran roi! = &5' &5' 8enam#/ngan i!a$/$an aa #atang A2+te$an*

aa ang #e$era 995&,914 $g

e#a! e!at enam#/ng = 1 cm

Z #a/t 512[ +10,58 mm*

Fam#/ngan i#/at engan e!at enam#/ng atar an tega$'

- Fam#/ngan engan e!at enam#/ng atar

t roi! = 8 mm

t e!at = 10 mm

1=2

1 =

2

1' 995&,914 Kg = 49&8,95& $g

gs= n4

1 ' 2

= 1 '4

1+3,14* +1,058*2' 0,6 +1600*

= 843,553 Kg

t/= !#' t ' 1'5

= 1,158 ' 1 ' 1,5 +1600*

= 2&&9,2 Kg

Karena gsH t/, ma$a gsang menent/$an

./m!a" #a/t +n* = #/a"6902,5843,553

49&8,95&

gs

1 ==

Kontro! enematan #a/t

t = 2 ' = 2 +1,058* = 2,116 3 cm

# = 3'5 ' = 3,5 +1,058* = 3,&03 4 cm

45

45


47/52

- Fam#/ngan engan e!at enam#/ng tega$

1 = 49&8,95& Kg

gs= n4

1' 2' 0,6 '

= 2 '4

1' 3,14 +1,058*20,6 +1600*

= 168&,106 Kg

t/= !#' t ' 1'5

= 1,158 ' 1 ' 1,5 ' 1600

= 2&&9,2 Kg

$arena t/] gs, ma$a gsang menent/$an

./m!a" #a/t +n* = #/a"3951,2168&'106

49&8,95&

gs

1 ==


t = 2 ' = 2 +1,058* = 2,116 3 cm# = 3,5 ' = 3,5 +1,058* = 3,&03 4 cm

0..2. Batang Kaki Kuda Kuda Ba"ah 5 B1 6

anang #atang = 2,4885 m : 4 = 9,954 m

$/ran roi! = 65' 65' &

enam#/ngan i!a$/$an aa #atang B2+te$an*

aa ang #e$era 10&&9,108 $ge#a! e!at enam#/ng = 1 cm

Z #a/t 12[ +12,&0 mm*

Fam#/ngan i#/at engan e!at enam#/ng atar an tega$'

- Fam#/ngan engan e!at enam#/ng atar

t roi! = & mm

t e!at = 10 mm

46

46


48/52

1=2

1 =

2

1' 10&&9,108 Kg = 5389,554 $g

gs= n4

1' 2

= 1 '4

1+3,14* +1,2&0*2' 0,6 +1600*

= 1215,481 Kg

t/= !#' t ' 1'5

= 1,3&0 ' 1 ' 1,5 +1600*

= 3288 Kg

Karena gsH t/, ma$a gsang menent/$an

./m!a" #a/t +n* = #/a"5434,41215,480

5389,55

gs

1 ==


t = 2 ' = 2 +1,2&0* = 2,540 3 cm

# = 3,5 ' = 3,5 +1,2&* = 4,450 5 cm

- Fam#/ngan engan e!at enam#/ng tega$

1= 5389,55Kg

gs= n 4

1

'

2

' 0,6 '

= 2 '4

1' 3,14 +1,2&0*20,6 +1600*

= 2430,963 Kg

t/= !#' t ' 1'5

= 1,3&0 ' 1 ' 1,5 ' 1600

= 3288 Kg

4&

4&


49/52

$arena t/] gs, ma$a gsang menent/$an

./m!a" #a/t +n* = #/a"321&,22430,9635389,55

gs

1 ==


t = 2 ' = 2 +1,2&0* = 2,540 3 cm

# = 3'5 ' = 3,5 +1,2&* = 4,450 5 cm

BAB &I

PE(HI'UN*AN @E''IN*

?en/tan ata/ Letting terai aa $onstr/$si $/a-$/a ia$i#at$an o!e"

$onstr/$si terse#/t, /nt/$ meng"it/ng !en/tan terse#/t ig/na$an r/m/s se#agai

#eri$/t

48

48


50/52

Ldsf

=

360

1

250

1ma:

imana ma:= #esarna en/r/nan

? = anang #entangan

.ai /nt/$ $onstr/$si ini

1840360

1ma: =f

= 5,111 cm

Besarna en/r/nan ang terai ter"aa $a$i $/a-$/a a$i#at

em#e#anan terse#/t, aat i"it/ng engan mengg/na$an metoe /sa"a Virt/a!

o/!/s e!astisitas #aa +2,1 : 106Kgcm2*

< = ?/as enamang roi! +cm2*

Da!am enina/an ini #e#an 1 ton Letting terse#/t iangga #e$era aa

#agian #aOa" ari $/a-$/a, i#agian tenga" ait/ aa titi$ #/"/!


51/52

A1 -&5&3,590 2,358 -0,9434 2100000 2 11,10 0,000361

A2 -&5&3,590 2,358-0,9434

2100000 2 11,10 0,000361A3 -5429,&45 2,358 -0,9434 2100000 2 11,10 0,000259

A4 -5429,&45 2,358 -0,9434 2100000 2 11,10 0,000259

A1 -&5&3,590 2,358 -0,9434 2100000 2 11,10 0,000361

A2 -&5&3,590 2,358 -0,9434 2100000 2 11,10 0,000361

A3 -5429,&45 2,358 -0,9434 2100000 2 11,10 0,000259

A4 -5429,&45 2,358 -0,9434 2100000 2 11,10 0,000259

B1 6422,400 2,00 0,8000 2100000 2 4,30 0,000569

B2 5513,400 2,00 0,8000 2100000 2 4,30 0,000488B3 5513,400 2,00 0,8000 2100000 2 4,30 0,000488

B4 3695,400 2,00 0,8000 2100000 2 4,30 0,00032&

B1 6422,400 2,00 0,8000 2100000 2 4,30 0,000569

B2 5513,400 2,00 0,8000 2100000 2 4,30 0,000488

B3 5513,400 2,00 0,8000 2100000 2 4,30 0,000488

B4 3695,400 2,00 0,8000 2100000 2 4,30 0,00032&

V1 -&8&,500 1,249 - 2100000 2 1,&4 -

V2 348,&50 2'499 - 2100000 2 &,90 -V3 -&8&,500 3,&49 - 2100000 2 21,80 -

V4 1&4,150 5,000 1,000 2100000 2 29,00 0,000&14

V1 -&8&,500 1,249 - 2100000 2 1,&4 -

V2 348,&50 2'499 - 2100000 2 &,90 -

V3 -&8&,500 3,&49 - 2100000 2 21,80 -

D1 1455,120 3,200 - 2100000 2 10,10 -

D2 -1455,120 3,200 - 2100000 2 20,60 -

D3 244&,550 5,385 - 2100000 2 44,20 -D1 1455,120 3,200 - 2100000 2 10,10 -

D2 -1455,120 3,200 - 2100000 2 20,60 -

D3 244&,550 5,385 - 2100000 2 44,20 - =


52/52

1' DarmaOan, ?oaOi$ara, ro' r,1984, Konstruksi Baja I,Baan ener#it

e$eraan m/m, .a$arta Fe!atan

2' Fa"r/!, Amri, 1985, Konstr/$si Baa ancangan Ftr/$t/r ,

baja baru edit

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