Komponen Jalan Rel

• Rel• Bantalan• Balas• Sub Balas• Penambat• Wesel• Sambungan Rel • Sinyal

Pembagian Struktur Jalan REL1. Bangunan Atas :

• Rel (rail)• Penambat (fastening)• Bantalan (Sleeper, tie)

2. Bangunan Bawah :• Balas (Ballast)• Sub balas (Sub Ballast)• Tanah dasar (Improve Subgrade)• Tanah Asli (Natural Ground)

REL

Panjang Minimum Rel Panjang

Kelas Jalan Tipe Rel

IIIIIIIVV

R60 / R54R54 / R50

R54 / R50 / R42R54 / R50 / R42

R42

Jenis Rel di Indonesia

Dimensi Rel

NotasiTipe Rel

KeteranganR42 R50 R54 R60

H (mm)B (mm)C (mm)D (mm)E (mm)F (mm)G (mm)R (mm)A (cm2)

W (kg/m)Ix (cm4)Yb (mm)

13811068,513,540,523,572

32054,2642,59136968,5

1531276515493076

50064,250,4196071,6

1591407016

49,430,2

78,97508

69,3454,43234676,2

17215074,316,551

31,580,95620

76,8660,34305580,95

A = Luas PenampangW = Berat Rel per-meterIx = Momen Inersia terhadap sumbu XYb = Jarak tepi bawah rel ke garis netral.

Notasi Dimensi

x

Y

Garis Netral

Yb

HG

E

Dx

Y

C

B

F

R

R

Tegangan Izin Rel Menurut JNR

Kelas Rel Tegangan

(kg/cm2)Tegangan Izin

(kg/cm2) Menurut JNR

I R 60R 54

10421195 1325

II R 54R 50

11461236 1325

IIIR 54R 50R 42

109711831474

1663

IVR 54R 50R 42

104811301409

1843

V R 42 1343 1843

Rel

PENGECEKAN REL

Usia Rel

Daya Tahan Sepur

Tegangan Rata-Rata

TERIMA KASIH