commit to user 85
3.3 Penghitungan Stationing
Data – data tikungan :
d
A – 1
: 947,484 m d
1 – 2
: 454,588 m d
2 – 3
: 498,121 m d
3 – 4
: 531,507 m d
4 – B
: 553,263 m
1. Tikungan PI
1
S-S Tc
1
= 105,033 m Lc
1
= 209,467 m 2.
Tikungan PI
2
S-C-S Tt
2
= 133,597 m Ls
2
= 34 m Lc
2
= 81,838 m 3.
Tikungan PI
3
S-C-S Tt
3
= 107,533 m Ls
3
= 34 m Lc
3
= 71,791 m 4.
Tikungan PI
4
S-C-S Tt
4
= 54,373 m Ls
4
= 45 m Lc
4
= 12,608 m
commit to user 86
STA A = 0 + 000
STA PI
1
= Sta A + d
A – 1
= 0 + 000 + 947,484 = 0 + 947,484 m
STA TC
1
= Sta PI
1
– Tc
1
=0 + 947,484 – 105,033
= 0 + 842,451 m STA CT
1
= Sta TC
1
+ Lc
1
= 0 + 842,45 + 209,467 = 1 + 051,918 m
STA PI
2
= Sta CT
1
+ d
1-2
– Tc
1
= 1 + 051,918 + 454,588 – 105,033
= 1 + 401,473 m STA TS
2
= Sta PI
2
– Tt
2
=1 + 401,473 – 133,597
= 1 + 267,876 m STA SC
2
= Sta TS
2
+ Ls
2
= 1 + 267,876 + 34 = 1 + 301,876 m
STA CS
2
= Sta SC
2
+ Lc
2
= 1 + 301,876 + 81,838 = 1 + 383,714 m
commit to user 87
STA ST
2
= Sta CS
2
+ Ls
2
= 1 + 383,714 + 34 = 1 + 417,714 m
STA PI
3
= Sta ST
2
+ d
2-3
– Tt
2
= 1 + 417,714 + 498,121 – 133,597
= 1 + 782,238 m STA TS
3
= Sta PI
3
– Tt
3
=1 + 782,238 – 107,533
= 1 + 674,705 m STA SC
3
= Sta TS
3
+ Ls
3
= 1 + 674,705 + 34 = 1 + 708,705 m
STA CS
3
= Sta SC
3
+ Lc
3
= 1 + 708,705 + 71,791 = 1 + 780,496 m
STA ST
3
= Sta CS
3
+ Ls
3
= 1 + 780,496 + 34 = 1 + 814,496 m
STA PI
4
= Sta ST
3
+ d
3-4
– Tt
3
= 1 + 814,496 + 531,507 – 107,533
= 2 + 238,47 m STA TS
4
= Sta PI
4
– Tt
4
=2 + 238,47 – 54,373
= 2 + 184,097 m
commit to user 88
STA SC
4
= Sta TS
4
+ Ls
4
= 2 + 184,097 + 45 = 2 + 229,097 m
STA CS
4
= Sta SC
4
+ Lc
4
= 2 + 229,097 + 12,608 = 2 + 241,705 m
STA ST
4
= Sta CS
4
+ Ls
4
= 2 + 241,705 + 45 = 2 + 286,705 m
STA B = Sta ST
4
+ d
4-B
– Tt
4
= 2 + 286,705 + 553,263 – 54,373
= 2 + 785,595 m
3.4 Kontrol Overlaping
Diketahui: Diketahui :
det
11 ,
11 3600
40000 40
m ja m
km ren
V
Syarat overlapping d
≥ 3 dt ≥ 3 × 11,11 mdt .dt
d ≥ 33,33 m Aman
commit to user 89
Koordinat : A
= 0 ; 0 PI
–
1
= 325 ; -890 PI
–
2
= 550 ; -1285 PI
–
3
= 700 ; -810 PI
–
4
= 1050 ; -1210 B
= 1600 ; -1150 Jembatan
1
= 190 ; -530 Jembatan
2
= 435 ; -1075 Jembatan
3
= 620 ; -1045 Jembatan
4
= 810 ; -970 Jembatan
5
= 1235 ; -1175
Jarak A – Jembatan
1
=
m
028 ,
563 530
190
2 2
Jarak Jembatan
1
– PI
1
=
m
480 ,
384 530
890 190
325
2 2
Jarak PI
1
– Jembatan
2
=
m
232 ,
215 890
1075 325
435
2 2
Jarak Jembatan
2
– PI
2
=
m
426 ,
239 1075
1285 435
550
2 2
Jarak PI
2
– Jembatan
3
=
m
250 1285
1045 550
620
2 2
Jarak Jembatan
3
– PI
3
=
m
244 ,
248 1045
810 620
700
2 2
Jarak PI
3
– Jembatan
4
=
m
165 ,
194 810
970 700
810
2 2
Jarak Jembatan
4
– PI
4
=
m
411 ,
339 970
1210 810
1050
2 2
commit to user 90
Jarak PI
4
– Jembatan
5
=
m
282 ,
188 1210
1175 1050
1235
2 2
Jarak Jembatan
5
– B =
m
855 ,
365 1175
1150 1235
1600
2 2
STA Jembatan
1
= STA A + Jarak A - Jembatan
1
= 0 + 000 + 563,028 = 0 + 563,028 m
STA Jembatan
2
= STA CT
1
+ Jarak PI
1
– Jembatan
2
– Tc
1
= 1 + 051,918 + 215,232 – 105,033
= 1 + 162,117 m STA Jembatan
3
= STA ST
2
+ Jarak PI
2
- Jembatan
1
– Tt
2
= 1 + 417,714 + 250 – 133,597
= 1 + 534,117 m STA Jembatan
4
= STA ST
3
+ Jarak PI
3
– Jembatan
4
– Tt
3
= 1 + 814,496 + 194,165 – 107,533
= 1 + 901,128 m STA Jembatan
5
= STA ST
4
+ Jarak PI
4
– Jembatan
5
– Tt
4
= 2 + 286,705 + 188,282 – 54,373
= 2 + 420,614 m
Sehingga agar tidak over laping d
n
33,33 m 1.
A – Jembatan
1
d
1
= STA Jembatan
1
- ½ asumsi – STA A
= 0+ 563,028 – ½ x 30 – 0+ 000
= 548,028 m 33,33 m Aman
commit to user 91
2. Jembatan
1 –
PI
1
d
2
= STA TC
1
- STA Jembatan
1
- ½ asumsi = 0 + 842,451
– 0 + 563,028 - ½ x 30 = 264,423 m 33,33 m
Aman 3.
PI
1
– Jembatan
2
d
3
= STA Jembatan
2
- ½ asumsi – STA CT
1
= 1 + 162,117 - ½ x 30
– 1 + 051,918 = 95,199 m 33,33 m
Aman 4.
Jembatan
2
– PI
2
d
4
= STA TS
2 –
STA Jembatan
2
- ½ asumsi = 1 + 267,876
– 1 + 162,117 − ½ x 30 = 90,759 m 33,33 m
Aman 5.
PI
2
– Jembatan
3
d
5
= STA Jembatan
3
- ½ asumsi – STA ST
2
= 1 + 534,117 - ½ x 30
– 1 + 417,714 = 101,403 m 33,33 m
Aman 6.
Jembatan
3
– PI
3
d
6
= STA TS
3
– STA Jembatan
3
- ½ asumsi = 1 + 674,705
– 1+ 534,117 − ½ x 30 = 125,588 m 33,33 m
Aman 7.
PI
3
– Jembatan
4
d
7
= STA Jembatan
4
- ½ asumsi – STA ST
3
= 1 + 901,128 - ½ x 30
– 1 + 814,496 = 71,632 m 33,33 m
Aman
commit to user 92
8. Jembatan
4
– PI
4
d
8
= STA TS
4
– STA Jembatan
4
- ½ asumsi = 2 + 184,097
– 1 + 901,128 − ½ x 30 = 267,969 m 33,33 m
Aman
9. PI
3
– Jembatan
4
d
9
= STA Jembatan
5
- ½ asumsi – STA ST
4
= 2 + 420,614 - ½ x 30
– 2 + 286,705 = 118,909 m 33,33 m
Aman 10.
Jembatan
5
dengan B d
10
= STA B – STA Jembatan
5
- ½ asumsi = 2 + 785,595
– 2 + 420,614 - ½ x 30 = 349,981 m 33,33 m
Aman
commit to user 93
commit to user 94
3.5 Perhitungan Alinemen Vertikal