Imigqameli ye-H ibungisa ubuchule ngokusebenzisa ubuchule obuphumelelayo okubheka indlela abasebenzisa ngayo ukushunqa kanye nokuthi lapho kuzokhula amaphressa ngemva kokubungcwina. Ifomethi ye-H esiyaxenye yenza ukuthi izinga lifakwe ngokulinganisa kuzo zonke izindawo okudingekayo xa izindlu zokuthi zilinde ngokuthulula. Okwenza le migqameli iyintsha yabo yekhona ukuthi iba nezidingo eziqinile ngaphakathi kwezici ezincane, ukunciphisa izindleko zomkhiqizo ngaphandle kokulahla kakhulu. Abasebenzisi baziwa ukuthi le migqameli iba nezidingo ezithile zokugcina kanye nokuthibela ngokushesha. Ayizokungabi nje xa kuzokuthiwa kakhulu kuzo zonke izindlu zokugcina kanye nezinkqubo zokugcina eziphezulu.
Ukuze sithole ukuthini okunokutholwa H-beams, kufanele sijonge kakhulu kumindlela yokulinganisa. Ezimbili eziphambene nezinhloso ziyi-yield strength ne-tensile strength, okungenzeka ukuthi kubonise ukuthini okunokutholwa yisampula kuqala ukuba yilapha noma yibambe ngokuphelele. Le ndawo zilandela ukulungiswa ngokwemigomo engaqondisiwe ngu-ASTM, okungenzeka ukuthi kuhlinze ukuthi konke kufanele kuyilapha ngokuphelele. Abasebenzi besibonakalisa futhi izinto ezithi section modulus ne-moment of inertia lapho bafuna ukwazi ukuthi izibani zikujabulisa kanjani kuzindlela ezahlukene. Phakathi kwezinye izindlela zokulingana zilandela kakhulu kuhle kwezinhlelo zokusebenza ezinhle zokusebenza ngokucacile. Konke le ndawo zinikeza abasebenzi besibonakalisa ukuthi kutheni kumele kube yizibani zasekuqaleni lapho kuthathwa kuzindlela ezahlukene, ngakho ke amakhaya aphatheke ngokuphelele ngeke kuthathwe amadoda amabi.
Ukujonga kuma H-beams ngokungaphandle kwezinye izinketho njengezindlela zokwenza imbilini noma imetali ye-C channel ibonisa kungani kubaluleke ukulayisha ubunzima nokuvikela ukuphephile kwezakhiwo. Thatha isites ekuhlinzweni njengokuhlalwa, lapho H-beams lihleli ubunzima obukhulu ngokusho nezinhlelo zabo, okwenza loba khona izinketho eziyisakhiwo. Ngokuphambene, le C channels ngeke zibe nezindlela zokulawulwa ezifanayo nezom H-beams ngisho nazo zomelwe ukuthi le nqanawa yazo ayinakukhulisa ukukhanya kwezindlela eziphambene. Lokho kuyisbaba kungani siyabona loba kuhluleka ngokushesha lapho kubunzima obukhulu. Ukuhlolwa okulandelwa kuyavikela lokho futhi. H-beams liyakhala ngokude ngaphandle kwezindlela zokwenza imbilini ne-C channels lapho lihambisana nezinkinga eziphambene. Wonke umuntu osebenzela kwezakhiwo noma kwezindlu yazi ukuthi le beams ziyingxenye esingcono lapho kuthathwa into yokuvikela ubunzima bokuphephile nokunquma ubunzima ngokwehlukahlukene kwezakhiwo.
Izibhobho zomgca zibalulekile kakhulu ekusweni kwezinkampani zokubangela ngoba zinikeza ukuphakama okukhulu kuzo zonke izinhlobo zokubangela njengezindlela zokubangela izindlu nezinhlobo zemvilanqorsho. Ukubangela okuphambene kwezibhobho zokubangela kuzenza kube yimali ukuba kungenakwa ukulahla okuphakeme, lokhu kwenza bakhona kakhulu yizindlu ezide apho kufanele kube nenqubo yokuphatha ukushisa okuphakathi kanye nokuhamba komkhawulo. Okunye uwuchule kukuthi izibhobho zomgca singakhiwa ngaphandle kweqondo ngaphambi. Le nqubo yokukhiwa ngaphambi kuyenza ukuba kube yimali ukuthi izinjiniyela zokubangela ziyokhululeka ngokushesha futhi zingake kwenze ukuba kube yimali ukuthi abasebenzi basemkhawulweni baneke kwenze ngaphezulu. Ngaleyo ngingo, abasebenzisi abaningi bafisa ukusebenzisa izibhobho zomgca xa bawenza izinjiniyela zokubangela ezintsha apho isikhathi nezimali ziyadinga ukuphathwa ngokukhulu.
Ababhanga baphiya kakhulu kuma H-beams xa bavama amakhweyana kanye nezinhloso zokubangela izinhloso zezimboni ezinkulu. Indlela lebelethwe ngayo lezi zibhama ibulela ukuthi zifakwe ngokuhlanganisa namanqakwana ngokwehlukanenkulu, oku kungaba yindlela yokuthuthukisa isikhathi okuzobuyela khona izinhloso zokusebenza xa kuzobulawa. Ingxenye enye encane? Zingathola izivivinyo ngokujulile. Lokhu kungaba yinkimbinkimbi kakhulu ngoba kuthuthukisa ukusebenza ngokucacile kwezimboni noma lapho amathuba ayizindawo ezenzakwa. Xa kubalwa ukuthi yiziphi izindleko ezingasebenzisa, abasebenzisa izindawo zokubangela kahle bavela amabhesheni okubala ngokucacile bese bavulela H-beams. Ukuba kuzobalwa ngokucacile kuzoba kuthuthukisa ngokuphelele yonke lezo zinhloso eziphambene nazo ngaphandle kokuthi zingapheli kakhulu.
Kwezinye izimo okwenza kusebenza ngokwesithuthi, i-H beams zinhle kunezithuthi zokwandlela esibonelwa indlela eziphethekisa izimo zokwandlela ngokweminyaka. Imaphakathi etholwe kuzo zonke izindawo zokuvulwa kubonisa ukuthi i-H beams ayiphansi futhi zinezindlela eziphakamisa ukuphansi noma ukubhukuda ngokushesha kunezabo ezifanayo. Fakela ukuvulwa kwemhlaba njengomfano wokwenzekile engenabangela abaningi bakubona ukuthi izithuthi zokwandlela ayikwazi ukwenza inkawula futhi i-H beams isetshenziswa ngokuphelele kuleyo ndawo. Ubunzima bubelelwa kakhulu kuzo zonke izimo ezidinga amandla angcono futhi asiwaphela. Abakhubekana abaningi abasebenza kuzo zonke izimo ezinkulu bezothola kubani owameme ukuthi ukuguqula kuma-H beams kwenza amakhaya ukuba adale kakhulu ngenkathi ayiziphathe izimo zokuphepha.
Lokhu kuyahlala phakathi kweqhubeka le carbon na leqhubeka le stainless xa kubhekwa amagweba akhe amathenjelwe, abasebenzisa kufanele bakhulule ukukhathazeka, ukubonakala kwegama, nokuthi yiliphi eli vona amagweba esizokwelwa. Abasebenzisi abaningi baya kweqhubeka le carbon ngoba ibekisa amandla ngaphandle kokudala ubunzima obuningi, lokhu kubaluleka kakhulu ekwenzeni izimo zokwenza izimo eziphambili ezidinga ukuthuthwa kwegama elikhulu. Iqhubeka le stainless ishesha ngendlela eyahlukene though. Iyakhiwa ngendlela enhle kakhulu ngokuphunyeza kanye nokuphunyeza, ngakho amagweba atholwa le nto ayadala ngemva kokuba kubekwe aphakathi kwezimali zomoya noma ezindaweni ezine humidity ephakade. Imali iyagcina amagama. Iqhubeka le carbon ithinta izindleko ezingaphezulu, kodwa le zindleko zikhuphuka ngokushesha uma amagweba asulela ukuthiwa ngokomoya. Lokuqala kwezindlu ezikaphezulu koma izindawo zokwenza izimo eziphambili ezidinga ukuthuthwa kwegama elikhulu, kudinga ukuthenga ngaphezulu kweqhubeka le stainless ngoku yilokho kungaba nezindleko ezingaphezulu zokubuyisa ngaphandle kokuphunyeza. Okukhulu kakhulu? Kufanele wazi ngqo izimo zokwelwa amagweba kubekwa ukuthiwa ngaphandle kokukhetha yiliphi le nto.
Ukungeza izinduku zensimbi engagqwali emishayweni ye-H kwandisa ngempela ukuqina kwesakhiwo sonke, ikakhulukazi lapho sisebenza ezimweni ezinomswakama noma ezindaweni ezichayeke kumakhemikhali. Ucwaningo lubonisa ukuthi lezi zingxenye zensimbi zenza imishayo ikwazi ukumelana kangcono namandla okudonsa, okubaluleke kakhulu lapho kuthwalwa izinto ezinkulu ngokuhamba kwesikhathi. Izakhiwo zivame ukuhlala isikhathi eside ngoba azigobeki kalula. Ukusebenzisa lolu hlobo lokuqinisa empeleni kwenza kube nokuvumelana okuhle phakathi kokuthola ukusebenza okuphezulu kwezinto ezibonakalayo nokugcina izindleko zilinganiselwe kumaphrojekthi amaningi. Abakhi bezimboni bakuthola kuwusizo kakhulu lokhu ezimbonini nasezindaweni zokugcina izinto lapho konke kudingeka kuhlale kuqinile kungakhathaliseki ukuthi kwenzekani.
Kulungiselela izindlela zokugqoka kakhulu kubaluleke kakhulu xa usebenza ngemigqa ye-H ehlelwe ngokwezinhlobo ezahlukene zezilika. Ukukhetha indlela engalunganga khona kuyasebenza kwezindlela eziningi kwezinkinga ezingenaphansi, ukwenza amaphoyinti amabi noma amagqokwe angeke ahlale ngesi kakhulu. Ngokulungileyo, abagqoki kufanele bahlale ngemikhawulo yezilika esiyinzelwe kahle ngokwezinhlobo zezilika okusebenzisa. Lokhu kwenza uhlu oluphakeme kwezinkinga kanye nokusiza imigqa ye-H ukuba yahlale ngokulunga kakhulu kumaqondo okuningi kwezindawo zokuvikela noma kwezinhlanzeli zokuxhumana. Ukufundisa abasebenzi kuyinto elibonile kakhulu yokwenza izinto zokuvikela. Xa kwaqwa bazi kahle indlela yokusebenzisa amathuluzi kanye nokulandela izinjorongo ezilungileyo, futhi noma ukubuyekeza okuphakeme kwezinhlobo zokugqoka, umphumela wokugcina uyasebenza kakhulu ngokuhlanganisa nokuzivikelela. Abasebenzisa izindlela zokwenza okuhle bazi lokho fakela lezi zinto kuzindlela zokwenza izinto kusukela kusaphela.
Ukuze ukwazi ukuthola okuningi kuka-H-beam kudinga izindlela zokwehlisa ubunzima ngendlela efanele. Isiphiwo semathematika kukhombisa lokho kubeka lezi zimvu ukuze zilapha ubunzima ngendlela ehlukene esibonelweni ngaphandle kokuvuma ukuthi kube khona ekuhlaleni lokhu. Iziphunyezo zamathinking zokuvikela ngale ndlela abasebenzisa ukuthi bahlolenge amaphethini amahle futhi bavuze indlela lapho lezi zilayeha phakathi kwezindawo ngaphambi kokuthi kube yini. Uma akukhona ukuplanisa ngendlela efanele, izinto zingase kungcola ngendlela engabi yini. Sicabanga amabridges asuka kanye nezinkampani ezithunyelwa ngokuphunyeke ngenkaki yekhono lokuqikelela lapho ubunzima bokungena kungena kakhulu. Izinga elinhle lokuqikelela akuyona kuphela ukwazi ukubala, kodwa ukwazi ukuthi yini okuzosukwa xa ukwabelana akuyona njengoba kucabangwe.
Xa usebenza kwezindawo eziyi H-beam, kudingeka ukuba kube nemihlobo yeziphumo ezomphakathi. Iindlela zokulwa, izemba, nezindlela zokuguqula ubude bendawo zonke zenza umoya ophakeme kwezindawo zokuvamisa. Lezi zindlela azidingi ukuthi kube ngokwemindeni kuphela kodwa zenza amaphumo aphakeme uma kungena kubekwa khona ngaleli nqanaba. Amakhulu amaningi awathathwa ngokuba umuntu owayengqina izinto eziphambene nezomphakathi xa kubekwa inkambu. Ngakho ke ukulandela izinkambu zokuvamisa kwezindawo azidingi ukuthi kube yinto efa noma ngabe kuyinto ephambene nezomthetho. Ukubuka ngaso izindlela zokuphela kwezintaba noma izindawo eziphambene nezomthetho ezithathwe ngokwezindlela zokulwa kubonisa ngqo ukuthi yini okuqala xa kubekwa iziphumo ezomphakathi ngaphandle kwezindawo zokuvamisa. Abasebenzi olungileyo bazi ukuthi lezi zinto zidinga ukuthi kube nemihlobo yekhuso nezomphakathi.
Imithombo ehlakaniphileyo ye-maintenance iyadinga ukuba H-beams ibe yilapho ngeminyaka engenazo maphulelo. Kumele kube nenqubomkqo yokujola amaphuza erusi, qinisekisa ukuthi ubunzima bube buqinisekisiwe futhi ubone amanye amaphawula okwehluleka noma amaphoyinti wokugcinwa phakathi kwamabele. Babengeli bonke bavuma ukuthi lapho izinkampani zilandelana nezi qoqo, bezofuna iziphumo eziphambene ngokwezifiso kuzo nezindleko eziphansi kakhulu zokubuyisa futhi. Isibonelo, kukhona amathesisi anguqu ukuthi ukulungiswa okuhlakaniphileyo kungavulela izindleko zokubuyisa kabili. Izinkampani zokudla ngokudla zasebenza ngokuthi zingenayo le nto, lokhu kungenxa yento abaningi manje abakhetha ukuba kube nenqubo yokujolwa ngokwesikhathi zonke izinto eziphambene nezindleko zezomnothe.
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