Njengoba sihamba sisuka kwenye indawo siya kwenye, sivame ukuyithatha kalula inethiwekhi eyinkimbinkimbi yengqalasizinda yezitimela eyenza ukuthi izitimela zisebenze kahle nangendlela efanele. Enkabeni yale ngqalasizinda kukhona ojantshi bensimbi, abakha ingxenye eyisisekelo yomzila wesitimela. Phakathi kwezinhlobo ezehlukene zamarayili ensimbi atholakalayo, lawo anamathela kuzinga le-BS adlala indima ebalulekile ekuqinisekiseni ukuphepha nokuthembeka kwezinhlelo zikaloliwe.
I-BS standard steel rail, eyaziwa nangokuthi i-British Standard Rails, aklanywa futhi akhiqizwa ngokuvumelana nemibandela ebekwe i-British Standards Institution (BSI). Lawa ma-rail akhiwe ukuze ahlangabezane nezidingo eziqinile zekhwalithi nokusebenza, okuwenza abe ukukhetha okubalulekile kumaphrojekthi wokwakha kanye nokulungisa ujantshi. Ukuhambisana nezinga le-BS kusho ukuzibophezela ekusebenzeni kahle, ukuqina, nokungaguquguquki ekukhiqizeni ama-rails ensimbi, ekugcineni kube negalelo ekusebenzeni kahle nokuphepha komsebenzi wezitimela.
Enye yezinzuzo ezibalulekile zamarayili ensimbi ajwayelekile e-BS amandla awo aphakeme nokuqina. Lawa ma-rail akhiwa kusetshenziswa izinto zensimbi zekhwalithi ephezulu futhi ahlolwa kanzima ukuze kuqinisekiswe amandla awo okumelana nemithwalo esindayo, izimo zezulu ezimbi kakhulu, nokuguga okungapheli. Ngenxa yalokhu, banikeza ukumelana okukhethekile nokuguqulwa, ukuqhekeka, kanye nokugqwala, ngaleyo ndlela bandise isikhathi sokuphila kwamathrekhi wesitimela futhi banciphise isidingo sokushintshwa noma ukulungiswa njalo. Lokhu kuqina kubalulekile ekugcineni ubuqotho bengqalasizinda yezitimela futhi kuvinjwe ukuphazamiseka kwezinsiza zokuqeqesha.
| BS11:1985 ujantshi ojwayelekile | |||||||
| imodeli | usayizi (mm) | into | ikhwalithi yezinto ezibonakalayo | ubude | |||
| ububanzi bekhanda | ukuphakama | ibhodi lesisekelo | ukujula okhalweni | (kg/m) | (m) | ||
| A(mm) | B(mm) | C(mm) | D(mm) | ||||
| 500 | 52.39 | 100.01 | 100.01 | 10.32 | 24.833 | 700 | 6-18 |
| 60 A | 57.15 | 114.3 | 109.54 | 11.11 | 30.618 | 900A | 6-18 |
| 60R | 57.15 | 114.3 | 109.54 | 11.11 | 29.822 | 700 | 6-18 |
| 70 A | 60.32 | 123.82 | 111.12 | 12.3 | 34.807 | 900A | 8-25 |
| 75 A | 61.91 | 128.59 | 14.3 | 12.7 | 37.455 | 900A | 8-25 |
| 75R | 61.91 | 128.59 | 122.24 | 13.1 | 37.041 | 900A | 8-25 |
| 80 A | 63.5 | 133.35 | 117.47 | 13.1 | 39.761 | 900A | 8-25 |
| 80 R | 63.5 | 133.35 | 127 | 13.49 | 39.674 | 900A | 8-25 |
| 90 A | 66.67 | 142.88 | 127 | 13.89 | 45.099 | 900A | 8-25 |
| 100A | 69.85 | 152.4 | 133.35 | 15.08 | 50.182 | 900A | 8-25 |
| 113A | 69.85 | 158.75 | 139.7 | 20 | 56.398 | 900A | 8-25 |
Ngaphezu kokwakhiwa kwawo okuqinile,izinsimbi zensimbizenzelwe ukuhlangabezana nokubekezelelana okunembile kobukhulu kanye nejometri. Leli zinga lokunemba libalulekile ekuqinisekiseni ukunyakaza okushelelayo nokuzinzile kwezitimela emzileni. Ngokunamathela ekucacisweni okujwayelekile kwe-BS, lawa ma-rail akhiqizwa anamaphrofayili ezigaba ezihlukene, ukuqondisa, nokuqondanisa, okubalulekile ukuze kuncishiswe ukungahambi kahle kwethrekhi nokugcina ukuxhumana phakathi kwamasondo ezitimela namareyili. I-geometry enembile yojantshi bensimbi abajwayelekile be-BS inikela ekuphepheni kukonke kanye nokunethezeka kohambo lwesitimela, enciphisa ubungozi bokuphuma emzileni kanye nokwenza ngcono ukusebenza kahle kukonke kwenethiwekhi yezitimela.
Ngaphezu kwalokho, ukuhambisana nezinga le-BS kuqinisekisa ukuthi ama-rails ensimbi athola izinyathelo eziphelele zokulawula ikhwalithi kuyo yonke inqubo yokukhiqiza. Kusukela ekukhethweni kwezinto zokusetshenziswa kuya ekuhlolweni kokugcina kwamareyili aqediwe, ukubambelela ngokuqinile ezimisweni ezijwayelekile kuqinisekisa ukuthi ama-rails ahlangabezana nezakhiwo ezidingekayo zemishini, ukwakheka kwamakhemikhali, nezici zokusebenza. Leli zinga lokulawulwa kwekhwalithi libalulekile ekugxiliseni ukuzethemba ekuthembekeni nasekusebenzeni kwezitimela zensimbi ezijwayelekile ze-BS, ukunikeza abaqhubi bezitimela nabaphathi bengqalasizinda isiqinisekiso sokuthi amareyili azohlangabezana ngokuqhubekayo nezidingo zokusebenza kwesitimela esithwala kanzima.
Ukubaluleka kwamarayili ensimbi ajwayelekile e-BS kudlulela ngale kwezici zawo ezibonakalayo, njengoba futhi edlala indima ebalulekile ekukhuthazeni ukusebenzisana kanye nokumisa izinga embonini yezitimela yomhlaba wonke. Ngokunamathela ezingeni elaziwayo nelihlonishwayo elinjengezinga le-BS, amaphrojekthi engqalasizinda kaloliwe angazuza ekusebenzisaneni nohlu olubanzi lwesitoko, amasistimu wokusayina, nemishini yokulungisa eklanyelwe ukuxhumana ngaphandle komthungo nojantshi abahlangabezana nezinga elifanayo. Lokhu kusebenzisana kwenza kube lula ukuthengwa kwempahla, ukufakwa, kanye nezinqubo zokunakekelwa kwengqalasizinda kaloliwe, okuholela ekongeni izindleko nokusebenza ngendlela efanele kwabaqhubi bezitimela neziphathimandla.
Ekugcineni, ukusetshenziswa kwe-BSIsitimela Esijwayelekilekubaluleke kakhulu ekuthuthukisweni, ekunwetshweni nasekulungisweni kwengqalasizinda yezitimela zesimanje. Lawa mareyili ahlanganisa izimiso zekhwalithi, ukuqina, ukunemba, nokusebenzisana, konke okubalulekile ekuqinisekiseni ukusebenza okuphephile nokusebenza kahle kwamanethiwekhi wezitimela. Njengoba isidingo sezinhlelo zikaloliwe ezinokwethenjelwa nezisebenza kahle kakhulu siqhubeka sikhula, indima yezinsimbi zensimbi ezijwayelekile ze-BS ekubumbeni ikusasa lezokuthutha ngojantshi ngeke iqiniswe. Ngokusekela izindinganiso ezibekwe I-British Standards Institution, imboni yezitimela ingaqhubeka nokuthembela emandleni afakazelwe we-BS ojantshi bensimbi abajwayelekile ukuze basekele ukuhamba kwabantu nezimpahla ngokuzethemba nokwethembeka.
Isikhathi sokuthumela: May-23-2024