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3.3 Perhitungan Stationing
Data-data : d
A – 1
: 779,49 m d
1 – 2
: 685,21 m d
2 – 3
: 832,38 m d
3 – B
: 795,42 m Koordinat :
Sungai 1 : 1673 ; 211
m Sunga i
PI J a r a k
74 ,
227 156
211 1452
1673
2 2
1 2
m PI
Sunga i J a r a k
64 ,
604 211
356 1673
2260
2 2
3 1
PI – 1 : F – C
Ls1 = 71,11 m
Lc1 = 200,71 m
Tc1 = 100,605 m
PI – 2 : S – S
Ls2 = 130.63 m
Lc2 = 11,56 m
Ts2 = 131,196 m
commit to user PI
– 3 : S – C – S Ls3
= 71,11 m Lc3
= 35,56 m Tt3
= 92,561 m STA A
= Sta 0+000 m STA PI
1
= Sta A + d
A – 1
= 0+000 + 779,49 = 0+779,49 m
STA TC
1
= Sta PI
1
– Tt
1
=0+779,49 – 100,605
= 0+678,885 m STA CT
1
= Sta TC
1
+ Lc
1
= 0+678,885 + 200,71 = 0+879,595 m
STA PI
2
= Sta CT
1
+ d
2
– Ts1 = 0+879,595 + 685,21
– 100,605 = 1+464,2 m
STA Ts
2
= Sta PI
2
– Ts
2
= 1+464,2 – 131,196
= 1+333,004 m STA SS
2
= Sta Ts
2
+ Ls2 = 1+333,004 + 130,63
= 1+463,634 m
commit to user STA ST
2
= Sta SS
2
+ Ls
2
= 1+463,634 + 130,63 = 1+594,264 m
STA PI
3
= Sta ST
2
+ d
3
– Ls2 = 1+594,264 + 832,38
– 130,63 = 2+296,014 m
STA TS
3
= Sta PI
3
– Tt
3
= 2+296,014 – 92,561
= 2+203,453 m STA SC
3
= Sta Ts
3
+ Ls3 =2+203,453 + 71,11
= 2+274,563 STA CS
3
= Sta SC
3 +
Lc
3
=2+274,563 + 35,56 = 2+310,123
STA ST
3
= Sta CS
3
+ Ls
3
= 2+310,123 + 71,11 = 2+381,233
STA B = Sta ST
3
+ d
3-B
–Tt
3
=2+381,233 + 795,42 – 95,561
= 3+081,1 m STA B
Σd = 3+081,1 3092,5 m.................................ok
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3.4 Kontrol Overlapping
Diketahui: Diketahui :
det
22 ,
22 3600
80000 80
m jam
km ren
V
Syarat overlapping
66 ,
66 22
, 22
3 3
ren
xV a
d a Aman = d 66,66 m Aman
Sehingga agar tidak overlaping d
n
66,66 m
1. Antara A Awal proyek dengan PI
1
d
1
= Jarak A - PI
1
– Tc 1 = 779,49
– 100,605 = 678,885 m 66,66 m
Aman 2. Antara atikungan PI
1
Dengan PI
2
d
2
= D
1-2
– Tc 1 – Ts 2 = 685,21
– 100,605 – 131,196 = 453,409 m 66,66 m
Aman 3. Antara Ujung Jembatan Dengan PI 2
d
3
= D s –
1
- ½ Lj –Tc 1
= 227,74 – 25 – 100,605
= 102,135 m 66,66m Aman
commit to user 4. Antara Akhir Jembatan Dengan PI 3
d
4
= D
2-3
– TS 2 – TS 3 = 832,38
– 131,196 – 92,561 = 608,623 m 66,66 m
Aman 5. Antara PI 3 Dengan B Akhir Proyek
d
5
= D
3-B
– TS 3 – ST 3 = 795,42
– 92,561 – 71,11 = 631,749 m 66,66 m
Aman
commit to user Gambar 3.10 Stationing dan kontrol overlaping
commit to user Gambar 3.12 Long Profile
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3.5 Perhitungan Alinemen Vertikal
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