Download - 10. Konstruksi Dasar Di Kamar Melolsin
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
1/32
Perhitungan konstruksi dasar di
Kamar MesinC.Bottom Construction in MachinerySpaces in Way of Main Propulsion Plant
BKI vol II edition 2009 Section 8: Bottom structure
Soemartojo W.A.Agustus 2012Jurusan Teknik Sistem Perkapalan
Fakultas Teknologi Kelautan ITS SurabaaTA 2012 ! 201"
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
2/32
Section 8 :BottomStructureC. Single !ottom
1.1 T#e s$antlings o% &oors are to be 'etermine' a$$or'ingto A.1.2.1 %or t#e greatest span measure' in t#e engineroom. T#e se$tion mo'ulus is not to be less t#an(
2
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
3/32
Single Bottom
"
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
4/32
Single Bottom
1.2 T#e )eb 'ept# o% t#e plate &oors in )a o% t#eengine %oun'ation s#oul' be as large as possible
T#e 'ept# o% plate &oors $onne$te' to )eb %rames
s#all be similar to t#e 'ept# o% t#e longitu'inal%oun'ation gir'ers.
In t#e )a o% $rank $ase* t#e 'ept# s#all not be
less t#an 0*+ #.
T#e )eb t#i$kness is not to be less t#an(
,-mm
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
5/32
"ngine Seating
+
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
6/32
Single Bottom
1." T#e t#i$kness o% t#e longitu'inal %oun'ation gir'ersis to be 'etermine' a$$or'ing to ".2.1.
/
".2.1 T#e t#i$kness o% t#e longitu'inal gir'ers
aboe t#einner bottom is not to be less t#an(
P single engine output in -kW
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
7/32
Single Bottom
1., o $entre gir'er nee' be 3tte' in )a o%longitu'inal %oun'ation gir'ers. Inter$ostal 'o$kingpro3les are to be 3tte' instea'.T#e se$tional area
o% t#e 'o$king pro3les is not to be less t#an(
4o$king pro3les are not re5uire' )#ere a bar keelis 3tte'. 6ra$kets $onne$ting t#e plate &oors to t#ebar keel are to be 3tte' on eit#er si'e o% t#e &oors.
7
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
8/32
C.2 #ou!le Bottom $ in %a& o' the main (ro(ulsion (lant
2.2 Plate &oors
Plate &oors are to be 3tte' at eer %rame.T#e &oor t#i$kness a$$or'ing to 6./.2 is to be in$rease' b(
8
9inimum + per$ent* ma:imum 1+ per$entP single engine output in -kW
T#e t#i$kness o% t#e plate &oors belo) )eb%rames is to be in$rease' in a''ition to t#eaboe proisions. In t#is $ase t#e t#i$kness o%t#e plate &oors is not to be taken less t#an t#e)eb t#i$kness a$$or'ing to Se$tion ;* A./.2.1.
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
9/32
)e! thickness according toSection 9* +.,.2.
;
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
10/32
2.- Side girders under anengine 'oundation
T#e t#i$kness o% si'e gir'ers un'er anengine %oun'ation top plate inserte' into t#einner bottom is to be similar to t#e t#i$kness
o% si'e gir'ers aboe t#e inner bottoma$$or'ing to ".2.1 ( Longitudinal girders
10
P single engine out(ut in /
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
11/32
Side girders under engine'oundation
11
Si'egir'ers
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
12/32
1u!e oil sum( tank !elo%engine.
12
1u!e oil sum(tank
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
13/32
eight o' engine 'oundation
1"
3he (osition o' main engine de(end on the(osition o' the (ro(eller sha't a!ove the !aseline* it is determined !& the diameter o' the(ro(eller as %ell as the t&(e o' the gear !o4
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
14/32
Side girders
Si'e gir'ers
Si'e gir'ers )it# t#i$kness o% ?longitu'inal gir'ers@
are to be 3tte' un'er t#e %oun'ation gir'ers in %ull#eig#t o% t#e 'ouble bottom.
W#ere t)o si'e gir'ers are 3tte' on eit#er si'e o% t#eengine* one ma be a #al%!#eig#t gir'er un'er t#e
inner bottom %or engines up to "000 kW.
)here t%o longitudinal girders are 5tted oneither side o' the engine* their thickness ma&!e reduced !& 6 mm. 7Section 8* C* -.2.2
1,
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
15/32
al' height side girders
1+
3%o side girders are 5tted*one ma& !e a$ hal' height
side girder 'or engine u( to-000 k)
3%o sidegirders
"ngine'oundation engineseating 'oundationgirder
longitudinalgirder
1u!e oilsum(tank
al'heightsidegirders
Inner !ottom tank to(
1u!e oil
sum(tank
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
16/32
3%o longitudinal giders are5tted
1/
)here t%o longitudinalgirders are 5tted* thethickness ma& !e reduced !&
6 mm
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
17/32
-.2 1ongitudinal girders
T#e t#i$knes o% longitu'inal gir'ers aboet#e inner bottom is not to be less t#en(
17
P see 2.2 :
single engineout ut k)
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
18/32
Side girders under 'oundationgirder
Si'e gir'ers
Si'e gir'ers un'er %oun'ation gir'ers are to be
e:ten'e' into a'ja$ent spa$es an' to be$onne$te' to t#e bottom stru$ture.
T#is e:tension aba%t an' %or)ar' o% t#e engineroom bulk#ea's s#all be t)o to %our %ramespa$ing i% pra$ti$able.
o $enter gir'er is re5uire' in )a o% t#e engineseating.
18
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
19/32
Side girders under 'oundationgirder
1;
Plate
oor
+PBulkhead
";Bulkhead
M"
Side girderunder engine'oundation
"ngine'oundation
Inner !ottom
tank to(
Side girders are to !e e4tended and to !econnected to the !ottom structure* t%o or'our 'rame s(acing i' (ractica!le
+!a't+PB
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
20/32
2.6 Inner !ottom
6et)een t#e %oun'ation gir'ers* t#e t#i$kness o% t#e inner bottomplating re5uire' a$$or'ing to 6.,.1. to be in$rease' b 2 mm.
T#e strengt#ene' plate is to be e:ten'e' beon' t#e engine seatingb t#ree to 3e %rame spa$ing.
20
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
21/32
Inner !ottom strengtheningB.6. > 2 mm
21
"4tended
- ? @'rames(acing
- ? @'rames(acing
=oundationgirders
Inner !ottom strengthening!et%een 'oundation girders*
e4tended three to 5ve 'rame
Sidegirders
i i l d
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
22/32
3%in engines cou(led to one(ro(eller sha't
22
W#ere t)in engines are 3tte'* a $ontinuous top plate is tobe arrange' in general i% t#e engines are $ouple' to onepropeller s#a%t
Inner!ottom
"ngine'oundatio
n
"ngine'oundation
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
23/32
-. "ngine Seating 'or lo%s(eed engines
eneral ! T#e %ollo)ing rules appl to lo) spee'engines. Seating %or me'ium an' #ig# spee'engines as )ill be spe$iall $onsi'ere'.
T#e rigi'it o% t#e engine seating an' t#esurroun'ing bottom stru$ture must be a'e5uateto keep t#e 'e%ormations o% t#e sstem 'ue to
t#e loa's )it#in t#e permissible limits.
In spe$ial $ases* proo% o% 'e%ormations an'stresses ma be re5uire'.
2"
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
24/32
"ngine Seating 'or lo% s(eedengines
T#e %oun'ation bolts %or %astening t#eengine at t#e seating s#all be spa$e' nomore t#an " x' B'iameter o% %oun'ationboltsC apart %rom t#e longitu'inal%oun'ation gir'er. BSe$tion 8* D.".1.,C
W#ere t#e 'istan$e o% t#e %oun'ationbolts %rom t#e longitu'inal %oun'ationgir'er is greater* proo% o% e5uialen$e isto be proi'e'. BSe$tion 8* D.".1.,C
2,
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
25/32
"ngine Seating 'or lo% s(eedengines
2+
A-d
d"ngine'oundation
Bracket
d diametero''oundation!olts
"ngine'oundation
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
26/32
-.2 1ongitudinal girders
".2.2 W#ere t)o longitu'inal gir'ers are 3tte' oneit#ersi'e o% t#e engine* t#eir t#i$kness re5uire'a$$or'ing to ".2.1 ma be re'u$e' b , mm
".2." T#e siEes o% t#e top plate B)i't# an't#i$knessC s#all be su$ient to attain e$ientatta$#ment an' seating o% t#e engine( Seating #eig#t an' tpe o% engine
A'e5uate transerse rigi'it.
T#e t#i$kness o% t#e top plate s#all appro:imatelbe e5ual to t#e 'iameter o% t#e 3tte'!in bolts.
27
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
27/32
-.2 1ongitudinal girders
T#e $ross se$tional area o% t#e top plate is not to beless t#an(
W#ere t)in engines are 3tte'* a $ontinuous top plateis to be arrange' in general i% t#e engines are $ouple'to one propeller s#a%t. 28
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
28/32
2;
A-d
d"ngine'oundation
Bracket
"ngine'oundation
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
29/32
-.2 1ongitudinalgirders
T#e longitu'inal gir'ers o% t#eengine seating are to be supporte'
transersel b means o% )eb%rames or )ing bulk#ea's.
T#e s$antlings o% )eb %rames are tobe 'etermine' a$$or'ing to Se$tion;* A./.(
Web %rames in ma$#iner spa$es
"0
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
30/32
-.2 1ongitudinal girders
Top plates are pre%erabl to be $onne$te' to
longitu'inal an' transerse gir'er t#i$ker t#anappro:imate 1+ mm b means o% 'ouble beel buttjoint.
"1
i ht ' i
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
31/32
eight o' engine'oundation
"2
-
7/24/2019 10. Konstruksi Dasar Di Kamar Melolsin
32/32
;e'erences
S#ip Donstru$tion Sket$#es an'otes
Kemp an' Goung* Stan%or' 9aritime>on'on* 1;8,Peraturan 6iro Klasi3kasi In'onesia
Holume II*