presentasi tugas besar pantai
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7/25/2019 Presentasi Tugas Besar Pantai
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Presenta
Tugas WilPanta
Parama Thayalaan( 21010113130189 )
Angsari Sitorani Raharjo
( 21010113130197 )
Steanus !i"o( 21010113130203
Sye"hna #eutia$lohrianti
&'#P
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Po,o, -ahasan
Analisis Orientasi Garis Pantai
Analisis Data Angin
Analisis Statistik Gelombang
Analisis Data Pasang Surut
Perencanaan k
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Analisis rient.aris Pantai
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o,asi Peren"anaan
o,asi Peren"anaan &onstru,si
Pantai Bulakampa, Kalimantan
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Pantai Muara Berau berorientasi ke arah Tenggarsehingga arah yang berpengaruh terhaap pant
aalah arah -arat /aya Selatan an Tenggar
Peta -athimetri
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Analisis /Angin
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$et"h!etch aalah aerah Pembentukan gelombang i mana kecepatan alam keaaan konstan" Konstan alam artian perubahan kecepatlebih ari # Knot an perubahan arah angin tiak lebih ari $#%
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Arah Selatan
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Arah -arat /aya
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*KM+
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Arah Tenggara
&o Suut 'os ( )i *KM+ )i 'os ( *KM+
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WinRose
Sesuai engan posisi pantai yang mearah selatan, maka arah angin yang alam pembangkitan gelombang meaalah angin ari arah barat aya, tenggara
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Wae Rose
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Analisis Statisti.elomang
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Analisis Statistik Gelombang
• Data anginselama satutahun
• Data pan7ang!etch untukarah yang
berpengaruh
8nput SMB -...Prose
s
• Tinggi Gelomb:a;e <ose
• Perioe Gelo
Output
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.elomang &ala 4lang
Tahunke=
K5'" MA)
Knot m>et
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Proses
15 Pemang,itan.elomang sei6eroleh o a
25 itung statisti,
gelomang enmetoe•. $isher Ti66et•. Weiull
35 Pilih metoe yaiguna,an
n6ut
Gelombang Kala ?lang aagelombang tertinggi yang alam kurun @aktu bebDigunakan untuk menetapgelombang=gelombang terperioe ulang tert
mempengaruhi perencanapantai"
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/iagram Pemang,itan .elomang
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Analisa Pemang,itan .elomang
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GraEk Fubungan Angin i Darat an i
ogarithmic *GraEk Fubungan Angin i
Darat an i aut+
R
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.elomang Re6resentati
Gelombang <epresentati6
TenggaraKala
?langH n Fo To
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Gelombang <epresentati6
SelatanKala?lang
H n Fo To
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Kala?lang
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Tinggi gelombang s H
Perioe gelombang s H
Dimana, n aalah 7um
Gelombang <epresentati6 aalah Tinggigelombang tunggal yang apat me@akilisuatu spektrum gelombang" Digunakan untukmenghitung keperluan perencanaanbangunan pantai"
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.elomang &ala 4lang #etoe $isher Ti66et Ty
Perioe?lang
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*tahun+Fsr *m+ nr r
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Perioe?lang
Fsr
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tahun karenamemiliki stanare;iasi terkecil
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• Gelombang Pecah aalah gelombang yang merambaalam ke laut angkal mengalami perubahan pan7anuntuk mempertahankan perioenya, tinggi gelombang nakhirnya energy gelombang men7ai tiak stabil Gelombang Pecah ter7ai paa kealaman an tinggi ter
.elomang Pe"ah
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Analisa &emiringan
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Analisa .elomang Pe"ahengan &ala 4lang
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Kr n Ks
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."# $ $"# - -"# / /"# , ,"# # 3 2 0 1 $. -. /. ,.
.ra:, Penentuan o,asi .elom3ang Pe"ah (7signi:,an)
FL *m+
Fb *m+
&e1alaman (m)
Tinggi .elom3ang (m)
.ra:, &ala 4lang
• Fb
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T5&GGA<A
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Analisa .elomang Pe"ah Re6resentati 1 =
T5&GGA<A
F.ma -,$3
T.ma 0,/3
o $.1,$/2
'o $/,.0
m .,.$.-
a 2,2/#$.3
b .,0#23$2
no .,#
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*m+
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>o *m+ 'heck ' *m>et+ *'>'o+ sin o *o+ Kr n Ks
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."# $ $"# - -"# / /"# "# # 3 2 0 1 $. $# -# /# # ##
.ra:, Penentuan o,asi .elomang Pe"ah (signi:,an)
FL *m+
Fb *m+
&ealaman (m)
Tinggi .elomang (m)
.ra:, Re6resentati 1 =
• Fb
• b
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Analisis Wae Set 46
Fb -,.. mDb ,.# m T 0,/3
Sehingga,S@ .,/22
:a;e Set ?p aalah penurunan ele;asi
muka air rerata terhaap ele;asi muka airiam i sekitar lokasi gelombang pecah"
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Tahunke=
!e6ekti6 sin.!e6ekti6
cN Nsin. N- g b
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. . 1,0$ $3
$#//0##2,-1.
. /,#5=.3 -/
$$,0/#.3
. . 1,0$ $3
$#//0##2,-1.
. /,#5=.3 -- $$,/-.# . . 1,0$ $3
$#//0##2,-1.
. /,#5=.3 -2
$/,01//
. . 1,0$ $3
//0##2,-1. $/,/202
Analisis Win Set 46
Arah ominan Tenggara
SR (S l Ri )
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SR (Sea eel Rise)
Tahun pembuatan Jetty ?mur rencana 7etty $. tDari graEk iapat .,.0.,.#m
/W (/esign Water eel)D: FF: C :in set up C @a;e set up C S<
$,#0 m C .,1 m C .,/22 m C .,.#
-,1.2 m
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Analisis /ata PSurut
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Perhitungan pasang surut engan metoe amiralty menggunakan beberapa skeilengkapi engan tabel untuk mencari berapa FF:, MF:, MS, M:, :"
Perhitungan Pasang Surut engan MetoeAmiralty
SKEMA I
No TANGGALBACAAN SKALA PADA JAM (cm)
0 7. 00 08 .0 0 09 .0 0 1 0. 00 11 .0 0 12 .0 0 1 3. 00 14 .0 0 1 5. 00 16 .0 0 1 7. 00 18 .0 0 1 9. 00 2 0. 00 21 .0 0 2 2 .0 0 2 3. 00 0 0. 00 0 1. 00 0 2. 00 0 3. 00 0 4. 00 0 5. 0
1 01-Apr-98 70 70 70 75 85 95 105 120 125 130 130 125 115 110 95 90 90 80 70 70 65 60 65
2 02-Apr-98 85 90 95 95 100 110 120 115 110 110 110 105 105 100 100 98 95 75 90 85 85 80 75
0-Apr-98 65 65 70 75 80 95 105 120 130 130 120 110 100 90 90 90 80 85 70 70 65 60 60
# 0#-Apr-98 80 80 80 85 85 85 90 1 00 110 120 120 130 130 120 120 115 111 100 90 90 85 80 80
! 0!-Apr-98 70 70 75 80 90 100 110 120 125 130 110 120 110 100 100 95 90 80 80 75 70 70 65
$ 0$-Apr-98 70 80 92 95 100 100 110 130 125 120 115 110 100 90 90 85 80 90 60 65 70 75 80
" 0"-Apr-98 75 80 80 85 85 85 90 100 110 120 125 130 130 120 110 100 90 80 70 70 70 80 85
8 08-Apr-98 85 85 85 90 90 95 95 110 120 120 120 115 110 100 90 85 80 80 75 75 70 70 70
9 09-Apr-98 90 95 100 110 110 115 115 110 110 105 100 95 90 80 70 70 65 85 75 80 80 80 80
10 10-Apr-98 70 100 105 100 97 95 92 95 100 105 110 115 107 100 9 5 90 85 85 80 75 70 70 70
11 11-Apr-98 9 0 85 85 85 85 90 100 110 120 125 130 125 120 110 100 100 95 90 80 70 70 60 65
12 12-Apr-98 75 75 80 90 90 85 85 95 105 110 115 120 120 120 110 1 00 90 90 80 80 70 70 70
1 1-Apr-98 80 90 1 00 115 115 112 112 112 115 120 120 115 100 100 95 90 90 85 85 80 80 75 70
1# 1#-Apr-98 90 95 100 110 110 115 115 110 110 105 100 95 90 80 70 70 65 85 75 80 80 80 80
1! 1!-Apr-98 75 80 80 85 85 85 90 100 110 120 125 130 130 120 110 100 90 80 70 70 70 80 85
Data pasang Surut
asil A,hir #etoe Amiralty
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asil A,hir #etoe Amiralty
Data pengamatan pasang surut ianalisis untukomponen pasang surut yang paling berpengale;el muka air laut antara lain S., M-, S-, K-, M, an MS kesembilan komponen tersebut
komponen pasang surut utamaSi6at Farian GanaM- Disebabkan oleh eklinasi bulanS- Disebabkan oleh eklinasi matahariK- Disebabkan oleh eklinasi bulan an ematahari&- Disebabkan oleh orbit bulan yang eliptisSi6at Farian TunggalO$ Disebabkan oleh eklinasi bulanP$ Disebabkan oleh eklinasi matahariK$ Disebabkan oleh eklinasi bulan an ematahariSi6at uarter DiurnalM Disebabkan oleh perairan angkalMS Disebabkan oleh perairan angkal, ian S-
MS S.FF: S.C*K$CO$+C*M-CS-+MF: S.C*M-CS-+M: S.=*M-CS-+
: S.=*K$CO$+=*M-CS-+
A amplituo! bilangan 6ormQahl *menentukan pasang htunggal atau campuran+
gR bea 6ase
A *cm+ g *o+
S. 1-,3/ .
M- ,12 $1
S- $2,-/ 0#
&- ,-/ 0
K$ -/,$$ /#1O$ 2,00 $03
M $,0 -0
MS .,1 -.1
K- ,3# 0#
P$ 2,3/ /#1
! $,/1#3
FF: $#0,$./#
MS 1-,3-2#3: 3#,#32/-
MF: $$,0//-
M: 2.,-$1/
. :, P S t
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.
-.
.
3.
0.
$..
$-.
$.
$3.
$0. .ra:, Pasang Surut
Wa,tu (-ulan A6ril 1998)
'leasi .elomang ("m)
.ra:, Pasang Surut
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Peren"anaan&onstru,si >etty
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Peren"anaan &onstru,si >ett
• ayout perletakan Jetty
• Penimensian Jetty
• Perhitungan stabilitas Jetty
• Detail Jetty
ayout Perleta,an >etty
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ayout Perleta,an >etty
& l Al
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&ealaman an ear AlurPelayaran• Direncanakan Alur Pelayaran untuk Kapal /. GT
ebar Jetty ibutuhkakebutuhan transportasi kaatau keluar 7etty" Dibuat 7e
alur - 7alur */,- M+ sehingmasuk=keluar secara bersam?ntuk Kapal 8kan /. GT
B ,# m , Dra6t $,# m
Kealaman Alur Pelayaran C m $,# C .,# -m
ebar Alur Pelayaran $,# B C $,0 B C $ B C $,0 B C
$,# B /,- m
Stabilitas 7etty
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Stabilitas 7etty
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Penimensian >etty
• Parameter yang igunakan alam
perencanaan Jetty yaitu: =.,3## m ari MS
FF: $,#0 m ari MS
b =/ m ari MS
Fb $,# m
F$ $,02$ m5l" Puncak mercu C /,. m ari MS
• Kealaman maksimum lokasi Jetty*s+
s b C : /,3## m
Perencanaan Stru
A" Pan7ang an tinggi gelombang
Fb>- . 2#
• - Tekanan gelombang
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Fb>- .,2#
s C ,.#
. 3,.22 m
.,.#2 m
b@ C # m F$ ,#.$ m
Fmaks $,0 b@ 2,-3 m
B" Tekanan gelombang
-. KoeEsien tekanan gelombang
$ .,11
- $,.0#
/ .,10
Tekanan gelombangP$ $#,02$ ton>m-
P- P/ $#,3$2 ton>m-
Pu 2,#$ton>m-
'" Gaya Gelombang an U $$,$/1P $/,/20 ton>m-
<m /0,22 tonMm 2,1$ tonm
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D" Gaya angkat an momen
? $$,$22 ton
Mu --,/#/ tonm
5" 'ek stabilitas struktur caisson
- Berat struktur beton iatas air *V. -, ton>m/+
o$ s 1m- Berat struktur caisson *:c+
.- *s=.,#+ 3,-# m- :c t V. $1,0 ton
o$ W o- -,2# m- Berat isi caisson *:s+
:s .- t V 1,30 ton
Berat total struktur :c C :s 31,0 ton
- Kontrol stabilitas keseluruhan konstruksi imana koe6 ges
•
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g*Xs.,2+
Stabilitas sliing =9 okY
Stabilitas guling - =9 okY
• Menghitung Ponasi Ba@ah- Konisi ponasi tenggelam
Direncanakan tinggi ponasiba@ah hingga posisi FF: $,#0mt FF: C s ,03 m
$ t W s $,#0 m$>s .,0-Berasarkan graEk berikut,iapat&s/ $3 *untuk ponasi+&s/ $$. *untuk toe protection+
- Berat Butir Ponasi
•
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Sr :
- Diameter batu
D
Maka iameter batu yang igunakan untuk ponasi aalah batu eng
iameter . W #. cm engan berat batu $.. W -.. kg
- Berat Butir Toe Protection
Sr :
- Diameter batu
D
• Maka iameter batu yang igunakan untuk toe protection aalah biameter -. W . cm engan berat batu -. W $.. kg
- ebar Ponasi
•B & K % + $,-# m
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Thank Iou
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