tugas as i (kentank)

Upload: hermawan-septian-adittya

Post on 26-Feb-2018

216 views

Category:

Documents


0 download

TRANSCRIPT

  • 7/25/2019 Tugas as I (Kentank)

    1/28

    Soal 1

    Sebuah balok dengan ukuran dan pembebanan seperti tergambar, hitung dan

    lukislah luas bidang momen (M) dan bidang gaya lintang (D) nya dengan cara:a. Clapeyron

    b. Cross

    A3,! m

    " C#,!! m

    $D

    %# & !,' tm

    %' & !,! tm' & 3,! t

    3 & ',! t# & #,! t

    ',! $*#,!! $*',! $*

    3,! m ',! m ',! m',! m

    enyelesaian

    A Metode Clapeyron

    Momen pada kantile+er

    MD & 3. -& ',! . #, & 3 tm

    Menghitung putaran sudut akibat beban luar (

    o

    )/itik A & oA"

    oA" & EIEIEI

    Lq 0,!,3.!,!.

    #-

    '..

    #-

    '33

    ' ==

    /itik " & o"A1 o

    "C

    o"A & oA" & EI

    0,!

    o

    "C '

    ##

    #'#

    #

    #

    #

    3

    ##

    #

    .

    )(.

    2

    ')#3(.

    ..2 LEI

    bLbPdxxLxLx

    LEI

    q b

    a

    ++

  • 7/25/2019 Tugas as I (Kentank)

    2/28

    &.

    )!,'(!,'.!,3.

    2

    ')!'(.

    ..2 '

    ##,3

    !

    #3

    #

    #

    EIdxxxx

    EI

    q ++

    &EI

    xxx

    EI

    00,'

    #

    !

    3

    '

    -.

    !2#,!,3

    !

    #3-

    +

    +

    &[ ]

    EIEI

    00,'#,3!2#,2'',3.

    !2#,!++

    & EIEIEI

    2-4,'000,'24,'=+

    o" & EIEIEI

    #-3,#!2-4,'00,!

    =+

    /itik C & oC"1 o

    CD

    oC" & #

    ##

    #'3#

    #

    #

    .

    )(.

    2

    ')(.

    ..2 LEI

    aLaPdxxxL

    LEI

    q b

    a

    +

    &.

    )!,'(,3.',!.

    2

    ')(.

    ..2

    ',! ##,3

    !

    3#

    EIdxxx

    EI

    +

    & EI

    xx

    EI

    '00,!

    -#

    '#,'3!2#,!,3

    !

    -#

    +

    & EIEIEI

    -#-,'00,!##,=+

    oCD & 3

    ##

    3#

    .

    )(.

    2

    '

    LEI

    bLbP

    &3.

    )!,'3(!,'.!,#.

    2

    ' ##

    EI

    & EI

    -3,4

    o

    C & EIEIEI

    42','-3,4-#-,=+

    Menghitung putaran sudut akibat Momen (')

    /itik A & 'A"

    'A" & EI

    LM

    EI

    LM BA

    2

    .

    3

    . '' +& EI

    M

    EI

    M BA

    2

    ,-.

    3

    ,-.+

    & EI

    M

    EI

    M BA 4,!,' +

    /itik " & '"A1 '

    "C

  • 7/25/2019 Tugas as I (Kentank)

    3/28

    '"A & EI

    LM

    EI

    LM BA

    3

    .

    2

    . '' +& EI

    M

    EI

    M BA

    3

    ,-.

    2

    ,-.+

    & EI

    M

    EI

    M BA ,'4,! +

    '"C & EI

    LM

    EI

    LM CB

    2

    .

    3

    . ## +& EI

    M

    EI

    M CB

    2

    ,.

    3

    ,.+

    & EI

    M

    EI

    M CB -'2,!433,! +

    '" & EI

    M

    EI

    M

    EI

    M

    EI

    M CBBA -'2,!433,!,'4,! +++

    & EIM

    EIM

    EIM CBA -'2,!43,#4,! ++

    /itik C & 'C"1 '

    CD

    'C" & EI

    LM

    EI

    LM CB

    3

    .

    2

    . ## +& EI

    M

    EI

    M CB

    3

    .

    2

    .+

    & EI

    M

    EI

    M CB 433,!-'2,! +

    'CD & EI

    LM

    EI

    LM DC

    2

    .

    3

    . 33 +& EI

    M

    EI

    M DC

    2

    3.

    3

    3.+

    & EIEI

    M

    EIEI

    M CC !,'22,!

    2

    3.322,! +=+

    'C & EIEI

    M

    EI

    M

    EI

    M CCB !,'22,!433,!-'2,! +++

    & EIEI

    M

    EI

    M CB !,','-'2,! ++

    Menentukan persamaan '& !

    'A & !A

    & EIEIM

    EIM BA 0,!4,!,' =+

    & ', MA1 !,4 M"& !,0 (pers *)

    '" & !"

    & EIEI

    M

    EI

    M

    EI

    M CBA #-3,#!433,!43,#4,! =++

    & !,4 MA1 #,43 M"1 !,433 MC& #!,#-3 (pers **)

    'C & !C

  • 7/25/2019 Tugas as I (Kentank)

    4/28

    & EIEIEI

    M

    EI

    M CB 42','!,','-'2,! =++

    & !,-'2 M"1 ', MC1 ',! & ',42' (pers ***)

    ersamaan * dan **

    ', MA 1 !,4 M" & !,0 5 #,43

    !,4 MA 1 #,43 M" 1 !,-'2 MC & #!,#-3 5 !,4

    -,#! MA 1 #,#2! M" & ',32

    !,2 MA 1 #,#2! M" 1 !,32- MC & ','#

    3, MA 1 !,32- MC & 6'2,'2 (ers *7)

    ersamaan ** dan ***

    !,4 MA 1 #,43 M" 1 !,-'2 MC & #!,#-3 5 !,-'2

    !,-'2 M" 1 ', MC & '-,42' 5 #,43

    !,32- MA 1 ',!- M" 1 !,'3 MC & 4,#-'

    ',!- M" 1 3,4- MC & 34,34

    !,32- MA 8 3,!' MC & -2,434 (ers 7)

    ersamaan *7 dan 7

    3, MA 1 !,32- MC & 6'2,'2 5 !,32-

    !,32- MA 8 3,!' MC & -2,434 5 3,

    ',32 MA 1 !,'3# MC & 6,444

    ',32 MA 8 '3,44'MC & ',2-#'3,-0 MC & '4',3

    MC & 6'3,#!3 tm

    Masukkan MC ke persamaan ***

    !,-'2 M" 1 ', MC & '-,42'

    !,-'2 M" 1 ', (6'3,#!3) & '-,42'

    !,-'2 M" & -,0--

  • 7/25/2019 Tugas as I (Kentank)

    5/28

    M" &

    -'2,!

    0--,-

    & '',433 tm

    Masukkan M" ke persamaan *

    ', MA 1 !,4 M" & !,0

    ', MA 1 !,4 ('',433) & !,0

    ', MA & 60,4!#

    MA & 6,2!' tm

    Momen pada cantile+er

    MD & 3 . l-

    & ', . #,!

    & 3 tm

    9adi besar momen clapeyronnya

    MA & 6,2!' tm

    M" & '',443 tm

    MC & 6'3,#!3 tm

    MD & 3 tm

  • 7/25/2019 Tugas as I (Kentank)

    6/28

    B. Metode Cross

    I. Stiffness Factor (SF)

    A"& "A&,3'

    EILEI =

    & !,-#4 $*

    "C& C"

    EI

    L

    EI=

    & !,- $*

    CD& DC&33

    EI

    L

    EI=

    & !, $*

    "A: "C& !,-#4 : !,-

    C": CD& !,- : !,

    II. Distribute Factor (DF)

    M"A&4#4,!

    -#4,!

    & !,'2

    M"C&4#4,!

    -,!

    & !,-43

    MC"&0,!

    -,!

    & !,---

    MCD&0,!

    ,!

    & !,2

    III. Momen-momen primer aibat beban luar

    %' & !,! t(m

    ',! $*

    3,! mA "

    "atang A 6 "

  • 7/25/2019 Tugas as I (Kentank)

    7/28

    MA" & '#

    ,3!,!

    '#

    ##

    '' = l

    & !,'!- tm

    M"A & 6 MA"& 6!,'!- tm

    3,! m"

    %# & !,' t(m

    #,!! $*

    "atang " 6 C

    M"C

    #-3##

    #)(

    -

    ')(

    3

    #)(

    #

    '

    l

    Pabaalal

    l

    q+

    +

    #-3##

    #

    !,',3!,3),3(

    -

    '),3(

    3

    #),3(

    #

    '

    ',! +

    +

    & !,!!2 ;'3,'# 8 '-#,0# 1 3,'< 1 ','!#

  • 7/25/2019 Tugas as I (Kentank)

    8/28

    & ',30-3 tm

    MC" & 6#

    #-3

    #)(

    -

    ')(3

    '

    l

    bPaaall

    q

    & 6#

    #-3

    #

    !,',3),3(

    -

    '),3(

    3

    '

    ',! +

    & 6 !,!##2 ;#!,-'2 8 3,'< 8 3,2

    C D

    )# & #,! t

    ',! m ',! m

    & 6!,342 8 3,2 & 6 -!2' tm

    "atang C 6 D

    MCD

    #

    l

    Pab

    #

    3

    !,'!,'!,#

    & !,03 tm

    MDC

    #

    l

    bPa

    #

    3

    !,'!,'!,#

    & 6!,03 tm

  • 7/25/2019 Tugas as I (Kentank)

    9/28

    D $

    )3 & ',! t

    #,!! m

    "atang D 6 $

    MD$ &lP 3 & ',! . # & 3 tm

    /itik A " C D

    "atang A" "A "C C" CD DC D$

    D= & 6 M ! 6!,'2 6!,-4- 6!,--- 6!,2 6' 6

    M primer !,'!- 6!,'!- ',30-3 6!,-!2' !,03 6!,03 3

    6!,#

    6!,!'

    6!,'-

    6!,!3

    !,'''

    6!,-4'4

    !,!240

    6!,!333

    !,##3

    6!,#-!0

    !,'34

    6!,!'22

    6',!3'3

    !,#0

    6!,!20-

    !,'#

    6!,#'

    6#,!2#

    !,'340

    6!,'340

    !,!423

    6!,!423

    9umlah !,#3 6',!00 ',!02 6!,3!#4 !,3!'0 63,!! 3,!!

  • 7/25/2019 Tugas as I (Kentank)

    10/28

    *7. enggambaran bidang momen (M)

    "atang A 6 "

    >A& >"'& #

    !,!,3

    & !,4 t

    Mma?&

    #

    4

    'lg

    &

    #,3!,!

    4

    '

    & !,22 tm

    3,! m" C

    %# & !,' t(m

    )' & 3,! t

    ',! m

    "atang " 8 C

    >"#&

    !,3,'

    ,3,3',! +

    & ',-' t

    >C'&

    !,3,'

    ,',3',! +

    & ',#3- t

    Mma? &

    #

    ##

    'xqxRB

  • 7/25/2019 Tugas as I (Kentank)

    11/28

    &

    #',!#

    '-',' xx

    & ',-'? 8 !,!?#

    Mma?!=

    dx

    dMx

    ',-' ? 8 !,! ?#

    ',-' 8 !,' ? & !

    ? & ',!

    -','

    & 0,-- m

    M ma? 0,--dari titik "

    Mma? & ',-'? 8 !,!?#

    & ',-' (-,--) 8 !,! (0,--)#

    & 2,20# tm

    C D

    )# & #,! t

    ',! m ',! m

    "atang CD

    >C#& 3

    !,'!,#

    & ',# t

    >D'& 3

    !,'!,#

    & ',# t

    Mma?& >C#. ',!

    & ',# . ',! & ',4 t

    "atang D$

  • 7/25/2019 Tugas as I (Kentank)

    12/28

    D $

    3 & ',! t

    #,!! m

    MD$ &lP 3 & ',! . # & 3 tm

    7. enggambaran bidang gaya lintang

    >A& >A'1

    +

    'l

    MM BAAB

    & !,4 1

    ,3

    !0,'#3',!

    & !,22 t

    >"kr& >"'6 & !,4 6

    ,3

    !0,'#3',!

    & ',!0- t

    >"kn& >"#1

    +

    #l

    MM CBBC

    & ',-' 1

    3!#4,!!02,'

    & #,-' t

    >A& >"kr1 >"kn& ',!0# 1 #,-' & 3,!4 t

    >Ckr& >C'6 & ',#3- 6

    3!#4,!!02,'

    & !,#3 t

    >Ckn& >C#1

    +

    3l

    MM DCCD

    & ',# 1

    3

    !!,33!'0,!

    & !,# t

    >C& >Ckr1 >Ckn& !,#3 8 !,# & 6! 3' t

    >Dkr& >D'8

    +

    3l

    MM DCCD

    & ',# 8

    3

    !!,33!'0,!

    & ',0-4' t

    >Dkn& 3& ',! t

    >D& >Dkr1 >Dkn& ',0-4' 1 ',! & 3,--4' t

    +

    'lMM BAAB

    +

    #l

    MM CBBC

  • 7/25/2019 Tugas as I (Kentank)

    13/28

  • 7/25/2019 Tugas as I (Kentank)

    14/28

    %# & !,' t(m%' & !,! t(m

    )' & 3,! t)3 & ', t

    ',!! $*#,!! $*',! $*

    )# & #,! t

    ',!m',!m3,!m ',! m #,!! m3,!m

    #,#0

    2,20#

    ',4

    6,2!'

    '',44 3

    6'3,#!3

    3

  • 7/25/2019 Tugas as I (Kentank)

    15/28

    !,22

    ',!0-

    #,-'

    ,#

    !,#3

    !,#

    ',0-4'

    ',

    !,#3

    ',

    ',0-4'

    !,#

    %# & !,' t(m%' & !,! t(m

    )' & 3,! t)3 & ', t

    ',!!$*#,!!$*',!$*

    )# & #,! t

    ',! m',! m3,!m ',! m #,!! m3,! m

  • 7/25/2019 Tugas as I (Kentank)

    16/28

    D

    C"

    A

    -,# m

    -,# m

    -,# m

    3 & ', t

    @

    4, m

    ' & , t

    %' & !, tm

    $

    ', m

    , m

    # & #, t

    onstruksi portal dengan ukuran dan pembebanan seperti tergambar. itung dan

    lukislah bidang momen lengkung (M) bidang gaya lintang (D) dan bidang normal

    (B) dengan cara :

  • 7/25/2019 Tugas as I (Kentank)

    17/28

    a. clapeyron

    b. cross

    enyelesaian

    A. metode clapeyron

    menghitung putaran sudut (!) akibat beban luar

    /itik "

    !"&

    ( )] ( ) ( )hEI

    hP

    lEI

    blbP

    EI

    xllxxq

    +

    +

    2

    #,-#,-

    2,'#2

    ##

    '3

    '

    ##

    ''

    #,-

    !

    ##3-

    -'

    &

    ( )] ( ),'#2

    ,4,'#,4,

    ,2

    ,'#,'#,! ###,-

    !

    ##3-

    -'

    ++

    EIEI

    xxx

    ( ),42

    #,-,4#,-,' ##

    EI

    &

    ( )EIEIEI

    0!#,'0',

    ,2

    #,-,'##,-,'##,-,! ##3--'

    ++

    & EIEIEI

    0!#,'0',00','0+

    & EI

    #4,2

    /itik C

    !C&

    ( ) ( )] #,-!

    -

    -'##

    #'

    ##

    '

    2xxlq

    lEI

    alaP+

    &

    ( ) ( ),'#2

    #,-#,-,'#,!

    ,'#2

    #,-,'##,-,-

    -'##

    #'##

    +

    EIEI

    & EIEI

    030,'3'#,--+

    & EI

    -22,

    /itik DoD& !

    Menghitung putaran sudut akibat momen (')

    /itik "

    '"&EI

    lM

    EI

    lM

    EI

    hM

    h

    CBBCBA

    233

    '''

    '

    +++

    & EI

    M

    EI

    M

    EI

    M CBBCBA

    2

    ,'#

    3

    ,'#

    3

    ,4

    ,4+++

  • 7/25/2019 Tugas as I (Kentank)

    18/28

    & EI

    M

    EI

    M

    EI

    M CBBCBA '#,##,-433,#''2,! +++

    & #,443 M"A1 -,# M"C1 #,'# MC"8 !,''2 $*

    /itik C

    'C& #

    ##''

    2332 hEI

    hM

    EI

    hM

    EI

    lM

    EI

    lM DCCDCBBC ++

    & ,2

    ,

    3

    ,

    3

    ,'#

    2

    ,'# ++

    EI

    M

    EI

    M

    EI

    M

    EI

    M DCCDCBBC

    &

    '4',!0'2,!433,'#,-'#,#

    ++EI

    M

    EI

    M

    EI

    M

    EI

    M DCCDCBBC

    /itik D

    'D& hEI

    hM

    EI

    hM DCCD ++32

    ##

    & ,3

    ,

    2

    , ++

    EI

    M

    EI

    M DCCD

    &'4',!

    033,'0'2,!++

    EI

    M

    EI

    M DCCD

    Menentukan persamaan

    (

    '

    &

    !

    ) #,433 M"A1 -,# M"C1 #,'# MC"8 !,''2 $*& 2,#4

    (pers ')

    #,'# MCD 1 -,# M"C 1 ',433 MDC 8 !,0'2 MC" 8 !,'4' $* &

    ,-22 (pers #)

    !,0'2 MCD 1 ',433 MDC 1 !,'4' $*& !

    (pers 3)

    Dititik C berlaku

    MC"& MCD1 MC$MC$& #, . ', & -,3 tm

    MC"& MCD1 -,3

    (pers -)

    Dititik D berlaku

    M"A& 6 M"CM"C& 6 M"A

    (pers )

    & !

  • 7/25/2019 Tugas as I (Kentank)

    19/28

    !,4

    #,-

    ,,,4

    3 =

    ++ PMMM DCCDBA

    !,''2 M"A8 !,'4' MCD1 !,'4' MDC1 #, & ! (pers 2)

    ersamaan 2

    M"A & ''2,!

    ,#'4',!'4',! DCCD MM

    & ',30 MCD8 ',30 MDC8 #3,34- (pers )

    ersamaan ' dan

    #,433 M"A1 -,# 6 M"A1 #,'# MC"8 !,''2 $* & 2,#4

    6',-' M"A1 #,'# MC"8 !,''2 $* & 2,#4

    (pers 4)

    ersamaan - dan 4

    6',-' M"A1 #,'# (MCD1 -,3) 8 !,''2 $* & 2,#4

    6',-' M"A1 #,'# MCD8 !,''2 $* & ,043

    (pers 0)

    ersamaan dan 0

    6',-' (',30 MCD8 ',30 MDC8 #3,34-) 1 #,'# MCD8 !,''2 $* & ,043

    6#,'4 MCD1 #,'4 MDC1 33,'3 1 #,'# MCD8 !,''2 $* & ,043

    6!,! MCD1 #,'4 MDC8 !,''2 $* & 0',''4

    (pers '!)

    ersamaan - dan #

    #,'# MCD 1 -,# M"C1 ',433 MDC6 !,0'2 (MCD1 -,3) 6 !,'4' $* &

    ,-22

    ',#!0 MCD 1 -,# M"C1 ',433 MDC8 !,'4' $* & 2',-

    (pers '')

    ersamaan 3 dan''

    -,# M"C1 ',#!0 MCD 1 ',433 MDC8 !,'4' $* & 2',-

    !,0'2 MCD 1 ',433 MDC1 !,'4' $* & !

    -,# M"C1 ',!# MCD 1 3,222 MDC& 2',-

    (pers '#)

    ersamaan dan '#

    -,# (6M"A) 1 ',!# MCD 1 3,222 MDC& 2',-

    (pers '3)

  • 7/25/2019 Tugas as I (Kentank)

    20/28

    ersamaan 0 dan 3

    6',-' M"A1 #,'# MCD8 !,''2 $* & ,043 5 !,'4' !,0'2 MCD 1 ',433 MDC1 !,'4' $* & ! 5 !,''2

    6!,#2 M"A1 !,34- MCD8 !,!#'# $* & '!,-0

    6!,'! MCD 1 !,#' MDC1 !,!#'# $* & ! (1)

    6!,#2 M"A1 !,# MCD 1 !,#' MDC & '!,-0

    (pers '-)

    ersamaan dan '3

    -,# (',30 MCD8 ',30 MDC8 #3,34-) 1 ',!# MCD 1 3,222 MDC& 2',-

    62,- MCD1 2,- MDC1 00,34# 1 ',!# MCD 1 3,222 MDC& 2',-

    6,!34 MCD1 '!,#!2 MDC& 63,2#4

    (pers ')

    ersamaan dan '-

    6!,#2 (',30 MCD8 ',30 MDC8 #3,34-) 1 !,# MCD 1 !,#' MDC& '!,-0

    6!,30- MCD1 !,30- MDC1 ,042 1 !,# MCD 1 !,#' MDC& '!,-0

    6!,'' MCD1 !,2!0 MDC& '!,-0

    (pers '2)

    ersamaan ' dan '2

    6,!34 MCD1 '!,#!2 MDC & 63,2#4 5 !,''

    6!,'' MCD1 !,2!0 MDC & '!,-0 5 ,!34

    6!,40 MCD1 ','0- MDC & -,-!#

    6!,40 MCD1 3,!24 MDC & #,4-

    6',4- MDC & 6-4,-#

    MDC & #,42 tm

    ersamaan '

    6,!34 MCD1 '!,#!2 (#,42) & 63,2#4

    MCD& 0,422 tm

    ersamaan '3

    6-,# M"A1 ',!# (0,422)1 3,222 (#,42) & 2',-

    6-,# M"A& 6'##,04

    M"A& #4,03 tm

  • 7/25/2019 Tugas as I (Kentank)

    21/28

    ersamaan 3

    !,0'2 (0,422) 1 ',433 (#,42) 1 !,'4'.'!!!. & !

    &2,!

    '4'

    #-,'!#=

    ersamaan

    M"C& 6 M"A& 6#4,03 tm

    ersamaan -

    MC"& MCD1 -,3

    & 0,422 1 -,3& 2-,#-' tm

    esimpulan

    MA"& !

    M"A& #4,03 tm

    M"C& 6#4,03 tm

    MC"& 2-,#-' tm

    MC$& -,3 tm

    MCD& 0,422 tm

    MDC & #,42 tm

    Metode Cross

    I. Stiffness Factor (SF)

    A"& "A&,4-

    3

    -

    3

    ' = EI

    L

    EI

    & !,!44# $*

    "C& C"& ,'#

    EI

    L

    EI=

    & !,!4- $*

  • 7/25/2019 Tugas as I (Kentank)

    22/28

    CD& DC&

    ,

    EI

    L

    EI=

    & !,'4'4 $*"A: "C& !,!44# : !,!4-

    C": CD& !,!4- : !,'4'4

    II. Distribute Factor (DF)

    M"A&'2'2,!

    !,!44#

    & !,#0

    M"C&'2'2,!

    !4-,!

    & !,-'

    MC"& #2!#,!

    !4-,!

    & !,3!'

    MCD!#,!

    '4'4,!

    & !,200

    III. Momen primer

    "atang A"

    M"A &

    ( )#

    ##

    #l

    alPab

    &

    ( )#

    ##

    ,4#

    #,-,4#,-#,-,'

    & 6'',43 tm

    "atang "C

    M"C

    #-3##

    #)(

    -

    ')(

    3

    #)(

    #

    '

    l

    Pabaalal

    l

    q+

    +

    &

    #

    #-3##

    # ,'#

    ,4#,-,)#,-(

    -

    ')#,-(,'#

    3

    #)#,-(,'#

    #

    '

    ,'#

    ,! +

    +

    &

    [ ]4',23-2#,!4'-24,'-#,'#

    ,!#

    +1 '!,344

    & -,#234 1 '!,344 & '-,2'4 tm

    MC" & 6

    +

    #

    #-3

    #)(

    -

    ')(

    3 l

    bPaaa

    l

    l

    q

    & 6

    #

    #-3

    #,'#

    ,4#,-,)#,-(

    -

    ')#,-(

    3

    ,'#

    ,'#

    ,! +

  • 7/25/2019 Tugas as I (Kentank)

    23/28

    & 6 ','#40 1 ,'0-- & -,!2 tm

    MD$ & ,'#P & #, . ', & -,3 tm

    !er"itun#an ta"ap I diasumsian seba#ai portal ta ber#oyan#

    I$. !"ase I (dipasan# pendel)

    " C D

    "A "C C" CD DC D$

    6!,#0 6!,-' 6!,3!' 6 6!,200 6

    6'',43 '-,2'4 -,!2 -,3 6 6

    6!,4!42

    6!,!#426!,!!!'

    6',#!3

    6!,'00!,!-'

    6!,!#-

    !,!!'0

    6!,!!!4

    6#,-!2

    6!,300!,'!43

    6!,!'#

    !,!!34

    6!,!!!-

    6,4000

    !,#'2!,!!44

    6#,0-00

    !,'#4!,!!--

    6'#,20!3 '#,20'- ',#2- -,3 6,230 6#,4'0

    $. !"ase II pendel dilepas%portal diberi pergoyangan yang menyebabkan

    adanya momen primer

    dd" C $$*

    A

    $*h'

    D

    $*h#

    M"A &

    #

    '

    3

    h

    EI

    diasumsikan $* & '!!!

    ,4

    .'!!!.3

    & -',##

    MCD& MDC

    #

    2

    h

    EI

    ,

    .'!!!.2

    & '04,3-

    /abel perhitungan

    " C D

    "A "C C" CD DC D$

    6!,#0 6!,-' 6!,3!' 6 !,200 6

    -',## '04,3- '04,3-

  • 7/25/2019 Tugas as I (Kentank)

    24/28

    62,'3

    6!,#'4

    6!,!!

    6#0,4'

    6,-0

    !,-'36!,'0-

    !,!'-

    6!,!!2

    60,!#

    6#,-4

    !,4#6!,!0

    !,!#0

    6!,!!3

    6'34,2--

    6',0#'

    !,!24

    620,3##

    !,02!

    !,!3-

    3,'#- 63,'#' 62',242 2',20# '3!,!'0

    " $C

    A

    )3 & ', t

    3,'#-6 '#,20!3

    @

    D

    6#,4'0'3!,!'0

    2',20#6,230

    %' & !, t(m

    )' & , t

    )# & #, t

    & !

    ,4

    #,-,'

    ,

    4'0,#!'0,'3!

    ,

    230,20#,2'

    ,4

    '#20!3'#-,3

    +

    +

    34,044 & 3,0!2

    & !,'!!

    $I. &asil momen a"ir

    "A "C C" CD DC D$

    6'#,20!3

    3,'#-

    '#,20'-

    63,'#'

    ',#2-

    62,'242

    -,3

    6

    6,230

    2,'20#

    6#,4'0

    '3,!!'0

    60,'0 0,'03 6-,0!-2 -,3 !,#0 '!,'4##

  • 7/25/2019 Tugas as I (Kentank)

    25/28

    $II. !en##ambaran bidan# momenerhatikan =ree body masing6masing batang akibat beban luar, momen6

    momen simpul diabaikan

    batan# BC (batan# "orisontal)

    -,# m

    "4, m

    %' & !, t(m

    )' & , t

    ', m

    C

    )# & #, t

    >"'& ,'#

    ,42#,'!#,- '+ Pq

    & 2,3#3 t

    >C'& ,'#

    '#,##,-#,- +p

    & #,32 t

    Mma?!=

    dx

    dMx

    Mma? &

    #

    #

    'xqxRB

    ,!3#3,2 xx

    dx

    dMx

    & 6!, ? 1 2,3#3 & !

    ? & ,!

    3#3,2

    & 4,-3 dari "

    Mma?& 2,3#3 (4,-3) 8 !,3 (4,-3)#

    & #2,2 tm

    batan# AB (batan# 'ertial)

    Ah'& ,4

    #,-3P

    & ,4

    #,-,'

    & !,4 t

    "h'& 38 Ah'

    & ', 8 !,4 & !,4 t

  • 7/25/2019 Tugas as I (Kentank)

    26/28

    M@ & Ah'. -,#

    & !,4 . -,# & 3,'4 tm

    $III. !en##ambaran bidan D

    easi 'ertial

    >" & >"'1 L

    MM CBBC+

    & 2,3#3 1 ,'#

    !2,-2'4,'- +

    & ,0' t

    >C'& >C'8 #l

    MM CBBC+

    >C#& #& #, t

    & #,32 8 ,'#

    !2,-2'4,'- +

    & !,40 t

    >C & >C'1 >C#

    & !,40 1 #,

    & 3,30 t

    Check

    >"

    1 >C& % (-,#) 1 '1 #

    ,0' 1 3,30 & !, (-,#) 1 , 1 #,

    '','44 & '','4

    '','44 & '','44 E

    easi "orisontal

    Ah & Ah'1 'h

    MBA

    & !,4 1 ,4

    '0,0

    & 6!,#!- ton

    "h & "h'8 'h

    MBA

  • 7/25/2019 Tugas as I (Kentank)

    27/28

    & !,4 8

    ,4

    '0,0

    & ',0- ton

    Dh & #h

    MM DCCD+

    & ,

    '4##,'!#0,! +

    & ',0- ton

    Check

    & !

    Ah 1 Dh & 3

    6!,#!- 1 ',0- & ',

    ',-3 & ', E

    I. !en##ambaran bidan# *

    Faya normal "atang A"

    &>"

    & >"'1 L

    MM CBBC+

    & 2,3#3 1 ,'#

    !2,-2'4,'- +

    & ,0' t

    Faya normal "atang CD

    & >C& >C'1 >C#

    >C'& >C'

    8 #l

    MM CBBC+

    >C#& #& #, t

    & #,32 8 ,'#

    !2,-2'4,'- +

    & !,40 t

    >C& !,40 1 #,

    & 3,30 t

    Faya normal "atang "C

    & Dh

    & ',0- t

  • 7/25/2019 Tugas as I (Kentank)

    28/28

    A-,!! m

    "#,! m

    C',! m

    $D

    %# & !,# tm

    %' & !, tm' & t

    3 & #, t# & - t

    ',! m 3,! m

    ',!! $*',! $*',!! $*

    #,! m