Ki dire lavi yon tren?
Jan 22, 2026
Atren asyese yon gid metalik kontinyèl ki pèmèt machin yo swiv yon chemen Predetermined san danje pandan y ap distribye chay nan substruktur tras la, epi li dwe kenbe tèt ak repete estrès dinamik ak kondisyon anviwònman tankou fluctuations tanperati ak korozyon.GNEE RAILbay tout-ray estanda atravè GB, JIS, DIN, UIC, AS, ak AREMA/ASCE, ofri plizyè klas asye (U71Mn, 50Mn, R260, R350HT, 900A), epi li sipòte jeni enstalasyon, fabrikasyon koutim, kouch pwoteksyon, ak dokiman pwojè konplè.
Ki dire lavi yon tren?
Viv yon tren depann de kalite tren, klas asye, chaj trafik, vitès, kondisyon anviwònman, ak pratik antretyen. Li pa fiks, men yo ka estime pou aplikasyon diferan:
1. Estanda Railway Tracks
- Pasaj ak machandiz liy prensipal ki itilize ray tankou U71Mn oswa R260 anjeneral dire 20-30 ane anba trafik nòmal ak antretyen apwopriye.
- Gwo-vitès oswa gwo-liy transpò ki itilize ray-trete chalè tankou U75V oswa R350HT ka dire 30-50 ane, gras a pi gwo rezistans mete ak fòs fatig.
| Klas | Estanda / Rejyon | Konpozisyon tipik (wt%) |
| R260 | EN 13674-1 (Ewòp) | C: 0.67–0.80, Mn: 0.90–1.20, Si: Mwens pase oswa egal a 0.50 |
| R350HT | EN 13674-1 (Ewòp) | C: 0.75-0.85, Mn: 0.80-1.20, Cr: 0.20-0.50 |
| Klas 260 | AREMA (Amerik di Nò) | C: ~0.77, Mn: ~1.0–1.2, Si: ~0.2 |
| Klas 350 | AREMA + Mill Specs (USA/Kanada) | C: 0.78-0.83, Mn: 0.90-1.20, Cr: 0.2-0.6, + V/Nb (microalloyed) |
| BH Rail (Bainitic) | JIS E 1101 (Japon), te adopte nan Inyon Ewopeyen / peyi Zend | C: 0.65-0.80, Mn: 1.0-1.4, Cr/Mo/Ni (si ou vle, moulen-espesifik) |
2. Mining ak Endistriyèl Tracks
- Rail nan min, pò, oswa pis aterisaj teknik yo fè eksperyans chaj konsantre, demaraj / arè souvan, ak koub sere.
- Viv nòmal pou tren sa yo se 10–25 ane, tou depann de klas tren (egzanp, U71Mn, ray QU/DIN) ak entansite operasyonèl.
- Chalè-trete oswa alyaj ray yo ka pwolonje lavi nan direksyon pou 25+ ane.
| Steel Klas | C(%) | Si | Mn | Kr | V | P | S | Fòs rupture (Rm/MPa) |
| U71Mn | 0.65~0.76 | 0.15~0.58 | 0.70~1.40 | – | – | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.030 | Pi gran pase oswa egal a 880 |
| U75V | 0.71~0.80 | 0.50~0.80 | 0.75~1.05 | – | 0.04~0.12 | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.030 | Pi gran pase oswa egal a 980 |
| U78CrV | 0.72~0.82 | 0.50~0.80 | 0.70~1.05 | 0.30~0.50 | 0.04~0.12 | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.030 | Pi gran pase oswa egal a 1080 |
| U77MnCr | 0.72~0.82 | 0.10~0.50 | 0.80~1.10 | 0.25~0.40 | – | Mwens pase oswa egal a 0.035 | Mwens pase oswa egal a 0.025 | Pi gran pase oswa egal a 980 |
Faktè ki afekte dire lavi tras
- Pwen prensipal pasaje / machandiz:20-50 ane
- Mining/endistriyèl tras:10-25 ane
Viv yo maksimize ak gwo-rails asye, enstalasyon apwopriye, ak antretyen regilye.
- Chaj trafik ak Frekans: Tren ki pi lou ak pi souvan diminye lavi.
- Reyon koub: koub sere ogmante mete lateral ak fatig.
- Kalite asye ak tretman: pi wo dite ak fatig -asye ki reziste dire pi lontan.
- Pratik antretyen: Broyage regilye, tamping, ak chèk Fastener pwolonje lavi sèvis.
- Kondisyon Anviwònman: Imidite, korozyon, ekstrèm tanperati, ak ekspoze chimik ka diminye lavi.
Ki diferan estanda pou tren an asye?
Estanda tren asye varye globalman, ak kalite pi gwo ki gen ladanAREMA(US),UIC/EN(Ewòp),BS(UK),JIS(Japon), akGB(Lachin), chak espesifikasyon defini tankou pwa (egzanp, 115RE nan peyi Etazini, 60kg nan Ewòp/Japon) ak pwopriyete materyèl pou diferan aplikasyon tankou gwo-vitès, lou- transpò, oswa transpò iben, asire operasyon lis, san danje epi dirab.
Gwo estanda entènasyonal yo
- GB (Guobiao - Lachin):Estanda pou Lachin, tankou GB 43, 50, 60, 75, yo itilize pou divès vitès ak liy.
| Klasifikasyon | Wotè (mm) | Tèt (mm) | Anba (mm) | Epè (mm) | Pwa (kg/m) | |
| Limyè tren | 8 KG/M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG/M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG/M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG/M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG/M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG/M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG/M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG/M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
| Rail lou | 38 KG/M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG/M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG/M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG/M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG/M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Rail teknik | QU 70 | 120 | 70 | 120 | 28 | 52.8 |
| QU 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| QU 120 | 170 | 120 | 170 | 44 | 118.1 | |
- AREMA (American Railway Engineering and Maintenance-of-Way Association):Itilize nan Amerik di Nò, espesifye nan pwa an liv pou chak lakou (egzanp, 115RE, 132RE).
| Estanda ASTM, estanda AREMA | ||||||
|---|---|---|---|---|---|---|
| Gwosè | Dimansyon (mm) | Pwa (kg/m) |
Longè (m) | |||
| Tèt | Wotè | Pye | Epesè | |||
| ASCE 25 | 38.1 | 69.85 | 69.85 | 7.54 | 12.4 | 6-12 |
| ASCE 30 | 42.86 | 79.38 | 79.38 | 8.33 | 14.88 | |
| ASCE 40 | 47.62 | 88.9 | 88.9 | 9.92 | 19.84 | |
| ASCE 60 | 60.32 | 107.95 | 107.95 | 12.3 | 29.76 | |
| ASCE 75 | 62.71 | 122.24 | 122.24 | 13.49 | 37.2 | 12-25 |
| ASCE 85 | 65.09 | 131.76 | 131.76 | 14.29 | 42.17 | |
| ASCE 90 | 69.09 | 130.18 | 142.88 | 14.29 | 44.65 | |
| ASCE 115 | 69.06 | 139.7 | 168.28 | 15.88 | 56.9 | |
| ASCE 136 | 74.61 | 152.4 | 185.74 | 17.46 | 67.41 | |
| ASCE 175 | 109.86 | 152.4 | 152.4 | 38.1 | 86.8 | |
- UIC (Inyon Entènasyonal Chemen Fer) / EN (Nòm Ewopeyen):Komen an Ewòp, ak kalite tankou UIC 54, UIC 60, oswa EN 13674-1/2 pou gwo vitès ak chaj lou (egzanp, 60E1).
| Estanda: UIC860 | ||||||
|---|---|---|---|---|---|---|
| Gwosè | Dimansyon (mm) | Pwa (kg/m) |
Longè (m) | |||
| Tèt | Wotè | Anba | Epesè | |||
| UIC50 | 70 | 152 | 125 | 15 | 50.46 | 12-25 |
| UIC54 | 70 | 159 | 140 | 16 | 54.43 | |
| UIC60 | 74.3 | 172 | 150 | 16.5 | 60.21 | |
- BS (Estanda Britanik):Itilize nan UK a, ak kalite tankou BS 75, BS 90, BS 100.
| Estanda: BS11:1985 | ||||||
|---|---|---|---|---|---|---|
| Gwosè | Dimansyon (mm) | Pwa (kg/m) |
Longè (m) | |||
| Tèt | Wotè | Anba | Epesè | |||
| 50 O | 52.39 | 100.01 | 100.01 | 10.32 | 24.833 | 6-18 |
| 60 A | 57.15 | 114.3 | 109.54 | 11.11 | 30.618 | |
| 75 A | 61.91 | 128.59 | 114.3 | 12.7 | 37.455 | 8-25 |
| 75 R | 61.91 | 128.59 | 122.24 | 13.1 | 37.041 | |
| 80 A | 63.5 | 133.35 | 117.47 | 13.1 | 39.761 | |
| 80 R | 63.5 | 133.35 | 127 | 13.49 | 39.674 | |
| 90 A | 66.67 | 142.88 | 127 | 13.89 | 45.099 | |
| 100 A | 69.85 | 152.4 | 133.35 | 15.08 | 50.182 | |
| 113 A | 69.85 | 158.75 | 139.7 | 20 | 56.398 | |
- JIS (Japonè Estanda Endistriyèl):Gen ladan kalite tankou 50N, 60N, 75N, souvan referans pwa nan kilogram.
| Estanda: JIS E 1103/1101 | ||||||
|---|---|---|---|---|---|---|
| Gwosè | Dimansyon (mm) | Pwa (kg/m) |
Longè (m) | |||
| Tèt | Wotè | Anba | Epesè | |||
| JIS 15KG | 42.86 | 79.37 | 79.37 | 8.33 | 15.2 | 9-10 |
| JIS 22KG | 50.8 | 93.66 | 93.66 | 10.72 | 22.3 | 9-10 |
| JIS 30A | 60.33 | 107.95 | 107.95 | 12.3 | 30.1 | 9-10 |
| JIS 37A | 62.71 | 122.24 | 122.24 | 13.49 | 37.2 | 10-25 |
| JIS 50N | 65 | 153 | 127 | 15 | 50.4 | 10-25 |
| CR 73 | 100 | 135 | 140 | 32 | 73.3 | 10-12 |
| CR 100 | 120 | 150 | 155 | 39 | 100.2 | 10-12 |
Kòm yon founisè Fastener ray pwofesyonèl,GNEE RAILka bay diferan estanda asye tren tankou GB, Ameriken, BS, UIC, DIN, JIS, Ostralyen ak Lafrik di sid ki itilize nan liy tren, trepye ak min chabon.
