Bangunan Lepas Pantai 2 Tugas #5 Laporan

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    1. Free Span Installation

    Initial Data

    Process

    Design temperature 100 degree celcius

    Pressure design 0 psi

    0 Pa

    Corrosion rate 0.06 mm/year

    0.00006 m/year

    Berat jenis gas (cont) 0 kg/m

    0 pc!

    Production li!e "# year

    Pipe

    $aterial %P& #' 60

    *uter diameter (Ds) "+ inc,

    0.60-6 m

    &nternal diameter (&D) 0.#+" m

    all t,ickness (ts) 0.# inc,

    0.01" m

    oung2s modulus 3aja (4) 0000000 psi

    ".06+4511 Pa

    Poisson2s ratio 3aja 0.

    Berat jenis 3aja +-0 pc!

    +-.06# kg/m

    Berat jenis 3eton (cc) 1-0 pc!

    0+.#1# kg/m

    $ +16#+"0 Pa

    tcc (te3al concrete coating) 0.0#6 m

    tcorr (te3al corrosion coating) 0.001# m

    Corrosion coating density (corr) 60 pc!

    -61.11 kg/m

    7 0.1"6

    Environment Dept, "# m

    Densitas air laut (s8) 6+ pc!

    10"#.1+ kg/m

    9iskositas :inematik air laut 0.0000010# m"/sec

    ;ydrodinamic coe

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    ;%= 1. m

    '%= 1.+ m

    :ecepatan %rus

    1 year (m/s) 100 year (m/s)

    0> D 0.+ 0.-

    "0> D 0.6- 0.1

    +0> D 0.# 0.6

    -0> D 0.#1 0.6

    100> D 0.+ 0.#

    ?elom3ang

    @eturn period 1yr 100yrs

    igniAcant 8ae ,eig,t (m) " .

    igniAcant 8ae period (s) +." #.#

    $aimum indiidual ,eig,t (m) + 6

    =s +." sec

    =p +.+1 sec

    ;s " m

    "

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    Calculation

    Submerged Weigh Calculation

    *utside diameter (Dtot) 0."+6 m

    4lastic modulus (4&) "1-6-.#

    &nertia (&) 0.0010611"1

    eig,t o! pipe (st) 16.-"+#"

    Corrosion coating 8eig,t (corr) 11-.1011#

    Concrete coating 8eig,t (cc) #.--"

    Content 8eig,t (cont) 0%dded mass/displaced 8ater (add) +"".#+61

    =otal e

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    Wave Induced Velocit Calculation

    8ae -0 degreeae lengt, (initial guess) (') 0.6+#1"# m

    +

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    ae lengt, (Ee8ton@ap,son) (') 0.6"6 m

    k 0."06-16

    ;oriFontal 8ater particle elocity (GdH)

    H u GdH

    0 0.016"+6 0.016"+6

    10 0.016066"

    "0 0.01#+01"

    0 0.01+1#

    +0 0.01"#0#+1

    #0 0.010+-0"

    60 0.0016"+

    0 0.00##

    0 0.00"+#1

    -0 1.0000141

    ;oriFontal 8ater particle elocity ma (G8) 0.016"+6 m/"

    @eduction !actor (@8ae) 1

    igni!icant 8ae elocity perpend. (G8dH) 0.016"+6 m/s

    ;oriFontal 8ater particle acceleration (%dH)H % %dH

    0 0.0""#" 0

    10 0.00+06

    "0 0.00-#+-#+

    0 0.0116"-6+

    +0 0.01+-#0+""

    #0 0.011""

    60 0.0"01+"6#

    0 0.0"1#60##

    0 0.0""-0#6-0 0.0""#"

    ;oriFontal 8ae acceleration perpend. ma(%8) 0.0""#" m/s"

    @eduction !actor (@8ae) -0igniAcant 8ae acceleration perpend. ma(%8dH) ".0-"### m/s"

    #

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    6

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    Free Span ! Dnamic

    ta3ility num3er (:s) 0.#0--#0

    9rI !rom t,e grap, 1.#

    *scillation type&nlineoscillation

    @e (tcc) #I610.+61

    trou,al num3er (t)I !rom t,e grap, 0.-

    9orte s,edding !reJuency (!) 0.60+0+666 ;F

    Critical Pipespan ('cr)

    a #+.+1"

    3 "."-6"#"0

    'cr +#.6-#+ m

    Free Span ! Static

    'erit -.+ m

    Ka0I-+I6.00

    00

    K"-I0##I#".-

    6

    C,eck *:

    ;oop stress (K,) 60+".0"+

    9on mises (Ke) "-110-0#.

    C,eck 0.-$ *:

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    ". Free Span #drotest

    Initial Data

    Process

    Design temperature 100 degree celcius

    Pressure design 1+# psi

    1""0"6.6 Pa

    Corrosion rate 0.06 mm/year

    0.00006 m/year

    Berat jenis gas (cont) 10"# kg/m

    Production li!e "# year

    Pipe

    $aterial %P& #' 60

    *uter diameter (Ds) "+ inc,

    0.60-6 m

    &nternal diameter (&D) 0.#+" m

    all t,ickness (ts) 0.# inc,

    0.01" m

    oung2s modulus 3aja (4) 0000000 psi

    ".06+4511 Pa

    Poisson2s ratio 3aja 0.

    Berat jenis 3aja +-0 pc!

    +-.06# kg/m

    Berat jenis 3eton (cc) 1-0 pc!

    0+.#1# kg/m

    $ +16#+"0 Pa

    tcc (te3al concrete coating) 0.0#6 m

    tcorr (te3al corrosion coating) 0.001# mCorrosion coating density (corr) 60 pc!

    -61.11 kg/m

    7 0.1"6

    Environment

    Dept, "# m

    Densitas air laut (s8) 6+ pc!

    10"#.1+ kg/m

    9iskositas :inematik air laut 0.0000010# m"/sec

    ;ydrodinamic coe

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    Cd 0.-

    Cm ."-

    C' 0.-

    %stronomical =ide

    ;%= 1. m

    '%= 1.+ m

    :ecepatan %rus

    1 year (m/s) 100 year (m/s)

    0> D 0.+ 0.-

    "0> D 0.6- 0.1

    +0> D 0.# 0.6

    -0> D 0.#1 0.6

    100> D 0.+ 0.#

    ?elom3ang

    @eturn period 1yr 100yrs

    igniAcant 8ae ,eig,t (m) " .

    igniAcant 8ae period (s) +." #.#

    $aimum indiidual ,eig,t (m) + 6

    =s +." sec

    =p +.+1 sec

    ;s " m

    -

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    Calculation

    Submerged Weigh Calculation

    *utside diameter (Dtot) 0."+6 m

    4lastic modulus (4&) "1-6-.#

    &nertia (&) 0.0010611"1

    eig,t o! pipe (st) 16.-"+#"

    Corrosion coating 8eig,t (corr) 11-.1011#

    Concrete coating 8eig,t (cc) #.--"

    Content 8eig,t (cont) "+.+-+6"-%dded mass/displaced 8ater (add) +"".#+61

    =otal e

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    Wave Induced Velocit Calculation8ae -0 degree

    11

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    ae lengt, (initial guess) (') 0.6+#1"# m

    ae lengt, (Ee8ton@ap,son) (') 0.6"6 m

    k 0."06-16

    ;oriFontal 8ater particle elocity (GdH)

    H u GdH

    0 0.016"+6 0.016"+6

    10 0.016066"

    "0 0.01#+01"

    0 0.01+1#

    +0 0.01"#0#+1

    #0 0.010+-0"

    60 0.0016"+

    0 0.00##

    0 0.00"+#1

    -0 1.0000141

    ;oriFontal 8ater particle elocity ma (G8) 0.016"+6 m/"

    @eduction !actor (@8ae) 1

    igni!icant 8ae elocity perpend. (G8dH) 0.016"+6 m/s

    ;oriFontal 8ater particle acceleration (%dH)

    H % %dH

    0 0.0""#" 0

    10 0.00+06

    "0 0.00-#+-#+

    0 0.0116"-6+

    +0 0.01+-#0+""

    #0 0.011""

    60 0.0"01+"6#

    0 0.0"1#60##0 0.0""-0#6

    -0 0.0""#"

    ;oriFontal 8ae acceleration perpend. ma(%8) 0.0""#" m/s"

    @eduction !actor (@8ae) -0igniAcant 8ae acceleration perpend. ma(%8dH) ".0-"### m/s"

    1"

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    1

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    Free Span ! Dnamic

    ta3ility num3er (:s) 0.6+"#1

    9rI !rom t,e grap, 1.#

    *scillation type&nlineoscillation

    @e (tcc) #I610.+61

    trou,al num3er (t)I !rom t,e grap, 0.-

    9orte s,edding !reJuency (!) 0.60+0+666 ;F

    Critical Pipespan ('cr)

    a +.+0"

    3 "."-6"#"0

    'cr +1.60#-+"# m

    Free Span ! Static

    'erit 6.- m

    Ka0I-+I6.00

    00

    K""1I#I#66.1

    "0

    C,eck *:

    ;oop stress (K,) "--"6#606.-

    9on mises (Ke) """6.6

    C,eck 0.-$ *:

    1+

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    $. Free Span %peration

    Initial Data

    Process

    Design temperature 100 degree celcius

    Pressure design 1"0 psi

    +0##1.11 Pa

    Corrosion rate 0.06 mm/year

    0.00006 m/year

    Berat jenis gas (cont) # kg/m

    "1# pc!

    Production li!e "# year

    Pipe

    $aterial %P& #' 60

    *uter diameter (Ds) "+ inc,

    0.60-6 m

    &nternal diameter (&D) 0.#+" m

    all t,ickness (ts) 0.# inc,

    0.01" m

    oung2s modulus 3aja (4) 0000000 psi

    ".06+4511 Pa

    Poisson2s ratio 3aja 0.

    Berat jenis 3aja +-0 pc!

    +-.06# kg/m

    Berat jenis 3eton (cc) 1-0 pc!

    0+.#1# kg/m

    $ +16#+"0 Pa

    tcc (te3al concrete coating) 0.0#6 m

    tcorr (te3al corrosion coating) 0.001# mCorrosion coating density (corr) 60 pc!

    -61.11 kg/m

    7 0.1"6

    Environment

    Dept, "# m

    Densitas air laut (s8) 6+ pc!

    10"#.1+ kg/m

    9iskositas :inematik air laut 0.0000010# m"/sec

    ;ydrodinamic coe

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    Cd 0.-

    Cm ."-

    C' 0.-

    %stronomical =ide

    ;%= 1. m

    '%= 1.+ m

    :ecepatan %rus

    1 year (m/s) 100 year (m/s)

    0> D 0.+ 0.-

    "0> D 0.6- 0.1

    +0> D 0.# 0.6

    -0> D 0.#1 0.6

    100> D 0.+ 0.#

    ?elom3ang

    @eturn period 1yr 100yrs

    igniAcant 8ae ,eig,t (m) " .

    igniAcant 8ae period (s) +." #.#

    $aimum indiidual ,eig,t (m) + 6

    =s #.# sec

    =p #.# sec

    ;s . m

    16

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    Calculation

    Submerged Weigh Calculation

    *utside diameter (Dtot) 0."+6 m

    4lastic modulus (4&) "1-6-.#

    &nertia (&) 0.0010611"1

    eig,t o! pipe (st) 16.-"+#"

    Corrosion coating 8eig,t (corr) 11-.1011#

    Concrete coating 8eig,t (cc) #.--"

    Content 8eig,t (cont) -.16-#%dded mass/displaced 8ater (add) +"".#+61

    =otal e

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    Wave Induced Velocit Calculation8ae -0 degree

    1

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    ae lengt, (initial guess) (') #".0066+0+ m

    ae lengt, (Ee8ton@ap,son) (') 0.6"6 m

    k 0."06-16

    ;oriFontal 8ater particle elocity (GdH)

    H u GdH

    0 0.0-#++" 0.0-#++"

    10 0.0-+6#1

    "0 0.016+16

    0 0.0+"+---

    +0 0.00"-#-#

    #0 0.0"#+"1"+

    60 0.01-+"+1

    0 0.01#"6

    0 0.0066#""

    -0 ".+""6+41

    ;oriFontal 8ater particle elocity ma (G8) 0.0-#++" m/"

    @eduction !actor (@8ae) 1

    igni!icant 8ae elocity perpend. (G8dH) 0.0-#++" m/s

    ;oriFontal 8ater particle acceleration (%dH)

    H % %dH

    0 0.0+0"6+ 0

    10 0.00+1+6

    "0 0.01+1666+

    0 0.0"1#1+"+

    +0 0.0"6#"1

    #0 0.0"-61#6

    60 0.0"6-0"

    0 0.0+0+00 0.0+"+-+6

    -0 0.0+0"6+

    ;oriFontal 8ae acceleration perpend. ma(%8) 0.0+0"6+ m/s"

    @eduction !actor (@8ae) -0igniAcant 8ae acceleration perpend. ma(%8dH) ."#"" m/s"

    1-

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    "0

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    Free Span ! Dnamic

    ta3ility num3er (:s) 0.#11-11

    9rI !rom t,e grap, 1.#

    *scillation type&nlineoscillation

    @e (tcc) #1I66.-0

    trou,al num3er (t)I !rom t,e grap, 0.-

    9orte s,edding !reJuency (!) 0.6"-"1"# ;F

    Critical Pipespan ('cr)

    a #0.#6-+#+

    3 ".1#"6"6

    'cr ++.166++1 m

    Free Span ! Static

    'erit 6+ m

    Ka0I-+I6.00

    00

    K

    1+I#00I1+.-0

    16C,eck *:

    ;oop stress (K,) 1-+---.6

    9on mises (Ke) 106-."

    C,eck 0.-$ *:

    "1