
pollayaya gadanaaparamaaya vibhaagam

pollayaya cross sekshanulla oru tharam loha rooparekhayaanu pollayaya gadanaaparamaaya vibhaagam (echss). eee padam pradhaanamaayum americayilo allengil nirmmaana allengil enchiniyaring padawali pinthudarunna mattu raajyangalilo upayogikkunnu.
deerghavrithaakrithiyilulla mattu roopangalum labhyamaanengilum echss amgangal vrithaakruthiyilullatho chathuraakrithiyilullatho chathuraakrithiyilullatho aaya vibhagangalaayirikkaam. echss oro kodinum gadanaaparamaaya urukk maathramaan.
echss chilappol "pollayaya gadanaaparamaaya urukk" ennu thettayi paraamarshikkappedunnu. chathuraakrithiyilulla echss, chathuraakrithiyilulla echss ennivaye saadhaaranayaayi "tube steel" allengil "boxes sekshan" ennum vilikkunnu. vrithaakrithiyilulla echssine chilappol "steel pipe" ennu thettayi vilikkunnu, ennirunnaalum yadhaartha steel pipe yadhaarthathil echssil ninnu vyathyasthamayi alavukalum tharamthirickunnu. (echss alavukal profilinte baahya alavukale adisthaanamaakkiyullathaanu; paippukal nirmmikkunnath mattoru nilavaaratthilaanenkilum baahya sahishnuthayilaan.) echu. ezz. esinte konukal kanatha vrithaakruthiyilullavayaanu, mathil kanathinte ekadesham eratti vyaasamullathaan. mathilinte kanam vibhaagathin chuttum orupoleyaanu.
ukeyilo britiish nirmmaana allengil enchiniyaring padangal pinthudarunna mattu raajyangalilo "echss" enna padam upayogikkunnilla. pakaram, vrithaakrithiyilulla, chathuraakrithiyilulla, chathuraakrithiyilulla pollayaya vibhagangalaaya moonnu adisthaana aakruthikale chs, shs, rhs ennu paraamarsikkunnu. saadhaaranayaayi, eee padavikal metrik valuppangalumayi bandhappettirikkum, athinaal alavukalum sahishnutayum echssil ninnu alpam vyathyaasappettirikkunnu.
gadanakalil upayogikkuka.
amgangalkku onniladhikam dishakalil loading anubhavappedunna welding steel frameukalil echss, prathyekichu chathuraakrithiyilulla vibhagangal saadhaaranayaayi upayogikkunnu. rando athiladhikamo cross-sekshanal aaksukalilayi ekeekritha jyamithiyullathinaal chathura, vrithaakrithiyilulla echu. ezz. esinu eee multiple-axis loadinginu valare kaaryakshamamaya aakruthikalundu, athinaal ekeekritha shakti savisheshathakalundu. ithu avare nirakalkk nalla thiranjeduppaayi maattunnu. avaykku tortionode mikacha prathirodhavumund.
wide flanch" allengil aii-beam aakruthikal pala kesukalilum eee aaplikkeshanu vendi kooduthal kaaryakshamamaya gadanaaparamaaya aakruthiyaanenkilum echss beemukalaayum upayogikkaam. ennirunnaalum, laattaral tortional bucklinginode echu. ezz. esinu mikacha prathirodhamund.
chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla chathuraakrithiyilulla echu. ezz. ezz.-nuu nirmmaanam eluppamaakkaan kazhiyum, avaa chilappol thurannukidakkunna gadanakalile vasthuvidyaa soundaryashaasthrathinu munganana nalkunnu, ennirunnaalum deerghavrithaakrithiyilulla echu. ezz. ezz. athe soundaryaparamaaya kaaranangalal thurannukidakkunna gadanakalil kooduthal janapriyamaayikkondirikkayu.
sameepakaalath, eiii 500 grade bii polulla mithamaaya urukkilaan echss saadhaaranayaayi labhyamaayirunnath. innu, echss saadhaaranayaayi mithamaaya urukkaya eiii500 grade sii yill labhyamaan. echu. ezz. esinu labhyamaya mattu steel gradeukal eiii847 (wethering steel), eiii1065 (zoo proses upayogichu nirmmicha 50 inch chathurashra vare valia vibhagangal), aduthide amgeekaricha eiii 1085 (eiii 500 nekkaal uyarnna shakti, karsanamaaya sahishnutha) ennivayaanu.
nirmmaanam.
pipe pole thanne square echss nirmmikkunnu. nirmmaana prakriyayil phlait steel plate kramena aakruthiyil maarukayum arikukal weld cheyyaan thayyaaraayitheerunna sthalathekku vrithaakruthiyil maarukayum cheiyunnu. thudarnnu arikukal orumichu weld cheyth mother tube roopappeduthunnu. nirmmaana prakriyayil mother tube aakruthiyilulla staandukalude oru parambarayiloode kadannupokunnu, athu raundu echss (mother tube) avasana chathuraakrithiyilo chathuraakrithiyilo roopappedunnu. mikka american nirmmaathaakkalum aastm eiii 500 allengil puthuthayi sweekaricha aastm eiii 1085 maanadandangal paalikkunnu, athesamayam canaden nirmmathaakkal aastm eiii 500, csa g40.21 enniva pinthudarunnu. europian pollayaya vibhagangal saadhaaranayaayi enn 10210 maanadandatthinu anusrithamaanu.
niracha echu. ezz. ezz.
theeyude rating karuthum mechappeduthunnathinaayi echss palappozhum konkreett kondu niraykkunnu. ithu cheyyumbol, uthppannathe athinte kandupiduthakkaranaaya masaachyusetsile walthamile joonn laaliyude peril "laali koolam" ennu vilikkunnu. (uchaaranam palappozhum "lollie koolam" aayi kedaakunnu.) udaaharanathinu, echss kondu nirmmicha parking eriyakalkku (bollardukal) chuttumulla thadassangal palappozhum bumper uyaram vare konkreett upayogichu niraykkunnu. ithu bollardlake compress shakti cherkkunnathinulla oru vilakuranja (maattisthaapikkal chelavukal gadakamaakkumbol) maargamaan, ithu bollardinte mothatthilulla gadanaaparamaaya gunangal ganyamaayi vardhippikkunnillenle, moshamaaya praadeshika denting thadayaan sahayikkum.

