Kev piav qhia
Cov hlau rail, tseem hu ua kev tsheb ciav hlau, kev tsheb ciav hlau rail, yog siv los coj lub tsheb ciav hlau log mus deb, los ntawm kev tiv thaiv kev ntxhov siab los ntawm lub log thaum lub tsheb ciav hlau hla, thiab hloov mus rau cov hlua khi thiab. Txoj kev tsheb ciav hlau yuav tsum muab du thiab nruam dov nto nrog yam tsawg kawg nkaus. Feem ntau hais lus, qhov hnyav dua ntawm txoj kev tsheb ciav hlau thiab qhov seem ntawm txoj haujlwm khiav, qhov hnyav dua thiab siab dua rau lub tsheb ciav hlau cov tsheb ciav hlau no tuaj yeem nqa tau. Nyob rau hauv hluav taws xob railways los yog tsis siv neeg thaiv seem, txoj kev tsheb ciav hlau rail kuj siv tau raws li txoj kev tsheb ciav hlau khiav Circuit Court.
ASCE Railyog ib hom kev tsheb ciav hlau uas txhais los ntawm American Society of Civil Engineering, uas yog siv hauv kev tsheb ciav hlau hauv North America. Nws yog tsuas yog siv rau kev thauj mus los lossis teeb pom kev zoo xws li kev thauj mus los ib ntus hauv thaj chaw hav zoov, mines, thiab chaw tsim kho. ASCE rail qhov ntau thiab tsawg yog feem ntau teev nrog nws qhov hnyav ib mev.
ASCE 25 Rail
ASCE 25 rails feem ntau yog siv rau kev thauj mus los hauv lub teeb xws li kev ua haujlwm mining thiab hav zoov. Cov tsheb ciav hlau no muaj qhov hnyav ntawm 25 phaus ib mev thiab tsim nyog rau cov tsheb thauj mus los tsawg.
| Tsis muaj | |||
| hom | qhov hnyav (kg / m) | khoom | ntev (m) |
| 25 lb | 12.20 | Q235 | 6m |
| rail qhov siab (mm) | hauv qab dav (mm) | taub hau dav (mm) | web kev xav (mm) |
| 69.85 | 69.85 | 38.1 | 7.54 |
Cim npe nrov: Tuam Tshoj asce 25 rail manufacturers, lwm tus neeg, Hoobkas
