commit to user 73
Tabel 3.3 Rekapitulasi hasil perhitungan tikungan PI
1
dan PI
2
Tikungan
ΔPI
1
e
tjd
Rr Ls
Xs Ys
Lc p
k Tt
Et meter
PI
1
S-C-S
28 12
’1,95”
9,744 250
85 84,75
4 4,25
38,028 1,21 42,459
105,56 8,97
9
Tikungan
ΔPI
2
e
tjd
Rr Ls
Xs Ys
Lc p
k Ts
Es meter
PI
2
S-S
8,53 340
84,27 -
- 9,271
0,87 42,091 84,574
3,57 8
3.3. Perhitungan Stationing
Data : Perhitungan jarak dari peta dengan skala 1: 10.000 d
1
: 725,887 m d
2
: 951,023 m d
3 :
704,264 m
1. Tikungan PI
1
S - C - S
Tt
1
= 105,56 m Ls
1
= 85 m Lc
1
= 38,028 m
2. Tikungan PI
2
S - C - S
Tt
2
= 99,845 m Ls
2
= 75 m Lc
2
= 48,927 m
Sta A = 0+000
Sta PI
1
= Sta A + d
1
= 0+000 + 725,887 = 0+725,887
commit to user Sta TS
1
= Sta PI
1
- Tt
1
= 0+725,887 – 105,560
= 0+620,327 Sta SC
1
= Sta TS
1
+ Ls
1
= 0+620,327 + 85 = 0+705,327
Sta CS
1
= Sta SC
1
+ Lc
1
= 0+705,327 + 38,028 = 0+743,355
Sta ST
1
= Sta CS
1
+ Ls
1
= 0+743,355 + 85 = 0+828,355
Sta PI
2
= Sta ST
1
+ d
1
–
2
– Tt
1
= 0+828,355 + 951,023 – 105,56
= 1+673,818 Sta TS
2
= Sta PI
2
– Tt
2
= 1+673,818 – 99,845
= 1+573,973 Sta SC
2
= Sta TS
2
+ Ls
2
= 1+589,248 + 75 = 1+648,973
Sta CS
2
= Sta SC
2
+ Lc
2
= 1+648,973 + 48,27 = 1+697,243
Sta ST
1
= Sta CS
2
+ Ls
2
=1+757,788 + 75 =1+772,243
Sta B = Sta ST
2
+ d
2
–
B
– Tt
2
= 1+772,243 + 704,264 – 99,845
= 2+376,662 ∑ d……..........ok
= 2+376,662 2381,174...........ok
commit to user
3.4 Kontrol Overlaping
Diketahui: Diketahui :
det
22 ,
22 3600
80000 80
m ja m
km r en
V
Syarat overlapping
66 ,
66 22
, 22
3 3
r en
xV a
d a Aman
d 66,66 m Aman
Koordinat : A
= 0 ; 0 PI 1
= 616 ; 384 PI 2
= 1565 ; 446 B
= 2235 ; 663 Sungai I
= 1160,20 ; 410,25
Jarak PI
1
– Sungai =
m 838
, 544
384 25
, 410
616 20
, 1160
2 2
Jarak Sungai – PI
2
=
m 375
, 406
25 ,
410 446
20 ,
1160 1565
2 2
Tt
1
= 105,56 m Tt
2
= 99,845 m
Sehingga agar tidak overlaping d
n
66,66 m
1. A Awal proyek dengan Tikungan 1
d
A —1
= Jarak A - PI
1
– Tt
1
= 725,887 – 105,56
= 620,327 m 66,66 m Aman
commit to user 2.
Tikungan 1 dengan Sungai Sraten
d
1 —Sungai
= JarakPI
1
– Sungai Sraten – ½ panjang jembatan
– Tt
1
= 544,838 – ½ x 100 – 105,56
= 489,278 m 66,66 m Aman
3. Sungai Sraten dengan Tikungan 2
d
Sungai —2
= Sungai Sraten – PI
2
– Tt
2
– ½ panjang jembatan
= 406,375 – 99,84 – ½ x 100
= 256,53 m 66,66m Aman
4. Tikungan 2 dengan B
d
2 —B
= Jarak PI
2
– B – Ts
2
= 704,264 – 99,84
= 604,424 m 66,66 m Aman
commit to user STASIONING
commit to user Kontrol Overlaping
commit to user
3.5 Perhitungan Alinemen Vertikal
