baja 2 elu
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Transcript of baja 2 elu
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7/25/2019 baja 2 elu
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MENGHITUNG PANJANG BATANG
COS 30=
4.7 TINGGI BATANG
3a t =
a=
4.7 =
3 cos 30
a = 1.809031
8a
t
B
4.7 4.7
9.4
BERAT ATAP MUTIROO!
"#a$ = 1000 %% 1
Pa&'a&( = 800 %% 0.8
B"$at = ).) *(+,"%#a$
B"$at+ %- = B"$at=
).)
P 1 0.8
PEMBEBANAN GOR/ING
1 B"#a& Mat B"#a& Ata
S"&( Go$2&(M,t$oo56 = .9
ata = B"$at S
T"$a2a S%# :
M:=
1:.
8
=1
.-18)43)-8
= 1).740883 *(.%
T"$a2a S%# ;
M;=
1;.
8
=1
10.77083338
= -7.-37188 *(.%
- B"#a& A&(&
B"#a& a&(& 2
C- = >0.4
t"*a& =
= -)
= 9.04)1)4--
sa =
= -)
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= >18.0903084
ANGIN TE?AN
M:=
=
=M; =
ANGIN HISAP
M:=
=
=
M; =
3 B"#a& H2+ P"*"$'a
B"#a& P"*"$'a = 100 *(
T"$a2a S%# :
M:=
1P:.
4
=1
)04
= ).-) *(.%
T"$a2a S%# ;
M;
=
1
P;.4
=1
8.0-)4044
= 97.4-78)793 *(.%
4 B"#a& Go$2&( S"&2$
Ba'a P$o@, Go$2&( ! 40 : 3)
= 40 %%
; = -0 %%
I: = 14.1 c%4
I; = .8 c%4B"$at 6 = 4.87 *(+%
T"$a2a S%# :
M:=
1:.
8
=1
-.43)8
= .13)937) *(.%
T"$a2a S%# ;
M;=
1;.8
1
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8.
= 10.7))7)3 *(.%
!A?TORIA PEMBEBANAN
M: = 1.- M/ 0.)
t"*a& M: = -.-8)14 -8.1-)
= 91.04301 *(.%M: = -.-8)14 -8.1-) >
= 17.777- *(.%
sa M: = -.-8)14 -8.1-)
= >18.8))1 *(.%
M: = -.-8)14 -8.1-) >
= 1-7.7)9 *(.%
M: t"$t&(( = 1-7.7)9 *(.%
M; = 1.- M/ 0.)
M; = 4).)-7- 48.7139-89
= 94.-411- *(.%
?ONTRO
a. T"(a&(a& "&t$
R%s
5 =M.;
I
2%a&a 5 = T"(a&(a& "&t$
M = Mo%"& Ma*s%%
; = T&(( tt* B"$at
I = Mo%"& I&"$sa
T"(a&(a& T"$'a2 D T"(a&(a& a&( t"$'a2
T"(a&(a& IF& = 5;
5; =M;.;
I;
5; =94.-411-4-) 0.0-
.8E>08
T"(a&(a& a&( T"$'a2 = 5:
5: =M:.;
I:
5: =1-7.7)887 0.0-
1.41E>07
T"(a&(a& T"$'a2 D T"(a&(a& IF&
1.81E07 D -.8-E07
T"(a&(a& I2,
5:- 5;-
3.-8E14 7.9E14
3.3)-8E07
#. "&2ta&
"&2ta& a&( T"$'a2 D "&2ta& F&
499-.)1094)..B4
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384EI: 1.14E0
"&2ta& IF& = B= 0.0187)
-40
"&2ta& T"$'a2 D "&2ta& IF&
1.00E>0- D 1.88E>0-
; = =
)398.4))9
384EI; ).39E0)
"&2ta& IF& = B= 0.017
-40
"&2ta& T"$'a2 D "&2ta& IF&
3.0E>0- D 1.7E>0-
).;.B4
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S& 30. 3a
-.713)43
= 4.)
= ?(+%-
?(+%-
&( a = 1-.437 *(+%
-
-0.-)
-
-0.-)
= -) ?(+%-
0.4
B"#a& A&(& : C1 : a
0.- 1.809030843)
?(+%
B"#a& A&(& : C- : a
>0.4 1.809030843)
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?(+%
1:.B-
8
19.04)1)4-173 -0.-)
8
--.89))47 *(.%0 *(.%
1:.B-
8
1>18.09030843 -0.-)
8
>4).79109 *(.%
0 *(.%
B
4.)
B
4.)
IHAT /I BUTSI
4.)
1.41E>07
.8E>008
-
-0.-)
-
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.
M,a K 1. ML
3.3-87)
3.3-87)
>73.-)7)
>73.-)7)
M,a
= -.8-E07
= 1.81E07
o* "&a*
D 5;
D -.8-E07
D -.8-1E07 a
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. .
o* "&a*
= 1.00E>0- -.0E>0-
a&a* s&st"
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BEBAN TIAP SIMPU
BEBAN MATI
B"#a& Ata S%, BA 6
ata = .9
BA = ata : -a : B
BA = .9 : 3.181 : 4.)
= 111.93 ?(S%, A I = 1
: BA-
= )).97 ?(
S%, BC/E!G H = BA
= 111.93
B"#a& Go2&( BG6
B"$at P$o@, ! 1)0 : 7) ( 6 = 4.87 ?(+%
BG = ( : B
= 19.48 ?(S%, A I = 1.) : BG
= -9.-- ?(
S%, BC/!G H = - : BG
= 38.9
S%, E = 3 : BG
= )8.44
BEBAN ANGIN A16
T"*a&a& A&(& = -) ?(+%
?o"@s"& a&(& t*a& = C1 = 0.0- > 0.4
?o"@s"& a&(& Hsa = C- = >0.4
A1 = C1 : T"*a&a& A&(& : B
= --.) ?(
A- = C- : T"*a&a& A&(& : B
= >4) ?(
S%, A = 0.) : A1
= 11.-) ?(
S%, BC / = A1
= --.) ?(
S%, C *$ = 0.) : A1
= 11.-) ?(
S%, C *a&a& = 0.) : A-
= >--.) ?(
S%, !G H = A-
= >4) ?(
S%, I = 0.) : A-
= >--.) ?(
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= 0.-