Xaiv txoj kev tsheb ciav hlau khiav hom
Cov tsheb ciav hlau muaj ntau hom, xws li ntsuas ntsuas ntsuas thiab ntsuas ntsuas nqaim, txhua tus muaj cov yam ntxwv sib txawv. Standard gauge lem yog thoob plaws ntiaj teb no nrog ib tug dav ntawm 4 ko taw 8.5 ntiv tes, thaum nqaim gauge lem, nqaim tshaj 4 ko taw, suit confined los yog ntxhab cheeb tsam.
Tracks kuj categorized li hnyav thauj los yog lub teeb rail. Heavy haul lem dais robust tsim rau thauj hefty cargo, whereas lub teeb rail lem yog sib dua thiab tsim rau cov neeg caij tsheb los yog sib zog loads.
Cov kab yuav ua tau ballasted los yog tsis-ballasted. Ballasted lem siv crushed pob zeb los yog gravel rau kev ruaj ntseg, thaum uas tsis yog-ballasted lem muaj lub hauv paus ruaj khov, sib txawv ntawm kev tsim kho thiab kev saib xyuas.
Txhua hom muaj qhov zoo thiab qhov tsis zoo. Standard gauge lem muaj ntau yam, thaum nqaim gauge lem yog tshwj xeeb rau qhov chaw nruj. Cov tsheb ciav hlau hnyav yog qhov ruaj khov tab sis xav tau kev saib xyuas ntau dua, thiab cov tsheb ciav hlau lub teeb yuav tsum tau saib xyuas tsawg dua tab sis tsis tuaj yeem ua haujlwm hnyav. Ballasted lem muaj kev ruaj ntseg tab sis tej zaum yuav raug nqi ntau tshaj qhov uas tsis yog ballasted.
Qhov kev xaiv nyob ntawm daim ntawv thov. Hnyav tsheb ciav hlau haum rau kev thauj mus los ntev ntawm cov khoom lag luam, cov tsheb ciav hlau tsheb ciav hlau yog rau kev thauj mus los hauv nroog, thiab cov tsheb ciav hlau ballasted yog tsim rau cov chaw tsheb loj, thaum cov tsheb tsis muaj ballasted yog qhov zoo tagnrho rau cov chaw taws teeb lossis chaw tsheb tsawg.
