bail pull durghatana

bail pull durghatana 26 sitambar 1860 koo bulbridge mein embergate key paas ack kachcha loha pull kii viphalata thee. jaba ack malgadi bulbridge mein pull key oopar seey gujar rahee thee, tou sanrachana achaanak whiffle hoe gaee, jisase adhikansh vaigan patari seey utar gaye. koee gambhir hataahat naheen huaa, lekin yeh british rail network parr aise kaee pulon kii maulik kamjori kii chetavani thee. 
durghatana.
durghatana 26 sitambar 1860 kii raat koo derby aur chesterfield key beach midland railway parr hui. kewal kohre key kaaran drishyata key saath, train kewal uttar kii or badh rahee thee. yeh ack lambi train thee, jisamen namak seey bharey sattais vaigan, dou bharee hui maal vaine aur ack break vaine thee, jise ack nivida locomotive dwara kheencha jaataa thaa. bhaari bhaar key kaaran rail parr injan key driving pahiyon mein kuchh fislan hoe gaee. embergate station seey aadhaa meal (800 meater) door, chaalak ney achaanak dekhaa kii injan key pichhale pahiye abb rail parr naheen they. usane bhaap bund curr dee, injan roque diyaa aur jaanch karane chalaa gayaa. 
unaki nivida kewal dou vaiganon seey judee hui thee, aur way sabhi bhee patari seey baahar they. bail pull key paas, ack sthaaniya sadak parr ack chhota saa pull, peechhe dou aur vaigan they. agale nau vaigan peechhe sadak key neeche seey lagbhag oonche dher mein dher hoe gaye they, joe patariyon key kinare telegraph taaron taka pahunch gaye they. durghatana key samay break vaine mein gaard koo saamane key panel parr sir seey pahale fenk diyaa gayaa thaa, lekin usey gambhir chot naheen luggy thee. pull key peechhe key sabhi vaigan abhee bhee line parr they.
jaanch karein.
jaba chaalak aur agnishaamak dwara jaanch kii gaee, tou pull key lohe key girders mein seey ack asamanya roop seey, beam key kendra key bajaay ack key paas toot gayaa thaa. track koo ack samaan girder kii ack jodee dwara samarthit kiya gayaa thaa, jisamen barlo rail koo aantarik flange parr lambai mein kaataa gayaa thaa, jisamen oopar parr damar vaalaa bhaar thaa, joe sleeper key thheek neeche thaa. jaba railway nireekshak key kaptan heinry watley teller ney fracture kii satah kii jaanch kii, tou unhone paaya kii yeh jung seey ghiri hui haye, lekin jinn logon ney ise pahali baar dekhaa thaa, unake sabooton seey pataa chalata haye kii kyaa huaa thaa. cast iron girder jaal aur flange mein ack bhaari dosh seey urdhvaadhar roop seey toot gayaa thaa, jahaan kinaaron key beach ack puuraa antar thaa. yahaan guarder poori tarah seey doshpurna thaa, lekin durghatana seey pahale kissy ney ise kyon naheen dekhaa thaa, yeh ack rahasya banaa huaa haye. tylor kaa sujhaav haye kii yeh samay key saath ack aantarik shoonya seey kewal isaliye badhaa hoga kyonki iss tarah key dosh kaa pataa nishchit roop seey foundry yaa builders dwara lagaaya gayaa hoga. girder 23 saal pahale, 1837 mein sthaapit kiya gayaa thaa, aur aggar achchi sthiti mein haye tou kendriya bhaar kaa samarthan karna chaahiye thaa. girder kii jodee koo poori sanrachana mein vitarit kull bhaar kaa samarthan karna chaahiye thaa, aur tylor ney kahaa kii girder kaam key liye aavashyak seey bahut badaa thaa. injan kaa vajan aur nivida.
dosh kaa srot agyaat haye lekin shuru mein "colled shutt" key kaaran hoe sakata haye, jahaan pighali hui dhaatu dhaatu dhalai key dauran fuse naheen hoti haye. yeh aksar taba hotaa haye jaba teji seey thandaa honey vaale kachcha lohe kii dou laharen milati hain, lekin yeh kewal ack chhor seey kyon honah chaahiye thaa, yeh agyaat haye. yeh baar-baar yatayat seey load honey key saath badh sakata thaa, aur teller ney ise bhagyashali maanaa kii yeh taba whiffle hoe gayaa jaba ack malgadi gujar gaee, naa kii ack yatri train, jaba hataahat honah apariharya thaa. isaliye yeh sambhav haye kii praarambhik dosh seey bhangur daraar key sthir vikas key kaaran thakan viphalata kaa kaaran bunny hoe.
prabhaav.
agale varsh 1861 mein wooton pull key dhahane key saath, railway companiyon key bheetar railway lines parr underbridge key roop mein upayog kiye jaane vaale cast-iron girder kii sankhya key baare mein kuchh chinta honey chaahiye thee. engineeron koo bhee pataa hotaa kii 1847 mein dee pull key whiffle honey key baad railway pulon mein kachche lohe kii samasyaaen theen. aisee sanrachanaon kaa nireekshan kiya gayaa thaa yaa naheen, yeh agyaat haye; aisaa naheen lagata haye, kyonki kuchh saal baad, 1891 mein hui durghatana aur norwood junction rail durghatana mein kaee aur dhaha gaye they. isake baad, rail network parr baney adhikansh kachche lohe key underbridge koo antatah lohe yaa ispat kii sanrachanaon seey badal diyaa gayaa, halanki aaj bhee kuchh kachche lohe key underbridge baney hue hain.ee. nucasal mein robbert stephenson kaa uchch stariya pull.
sandarbh.
peater aar luis, "dee parr aapadaah robbert stephenson kii 1847 kii dushmani", tempus (2007).

