Insimbi engagqwali egaywa kabusha futhi esimeme
Selokhu yethulwa okokuqala ngo-1915, insimbi engagqwali iye yakhethwa kabanzi ukuthi isetshenziswe ezimbonini ezihlukahlukene ngenxa yezakhiwo zayo ezinhle kakhulu zemishini nokugqwala. Manje, njengoba kugcizelelwa ngokwengeziwe ekukhetheni izinto ezisimeme, insimbi engagqwali ithola ukuqashelwa okuphawulekayo ngenxa yezindawo zayo ezinhle kakhulu zemvelo. Insimbi engagqwali ingaphinda isetshenziswe ngo-100% futhi ngokuvamile ihlangabezana nezidingo zempilo yephrojekthi enamazinga amahle kakhulu okubuyisela impilo. Ukwengeza, kubalulekile ukuqaphela ukuthi nakuba ngokuvamile kuvame ukukhetha okunzima phakathi kokusebenzisa isixazululo esiluhlaza nokusebenzisa isixazululo esingabizi kakhulu, izixazululo zensimbi engagqwali ngokuvamile zinikeza ukunethezeka kwakho kokubili.
Insimbi engagqwali egaywa kabusha
Insimbi engagqwali igaywa kabusha ngo-100% futhi ngeke yehlise izinga. Inqubo yokugaywa kabusha kwensimbi engagqwali iyafana nokuyikhiqiza. Ngaphezu kwalokho, insimbi engagqwali yenziwa ngezinto eziningi zokusetshenziswa, okuhlanganisa insimbi, i-nickel, i-chromium ne-molybdenum, futhi lezi zinto zidingeka kakhulu. Zonke lezi zinto ziyahlangana zenze ukugaywa kabusha kwensimbi engagqwali ukonga kakhulu futhi ngaleyo ndlela kuholele emazingeni aphezulu kakhulu okugaywa kabusha. Ucwaningo lwakamuva olwenziwa yi-International Stainless Steel Forum (ISSF) lubonisa ukuthi cishe u-92% wensimbi engagqwali esetshenziswa ekwakheni, ekwakheni nasekufakeni izicelo zokwakha emhlabeni wonke iyabanjwa futhi igaywe kabusha ekupheleni kwesevisi. [1]
Ngo-2002, i-International Stainless Steel Forum yalinganisela ukuthi okuqukethwe okujwayelekile okugaywe kabusha kwensimbi engagqwali cishe kungama-60%. Kwezinye izimo, lokhu kuphakeme. I-Specialty Steel Industries of North America (SSINA) ithi uchungechunge lwensimbi engagqwali engama-300 olukhiqizwa eNyakatho Melika lunokuqukethwe okugaywe kabusha kwangemuva komthengi okungama-75% kuya ku-85%. [2] Nakuba lezi zinombolo zizinhle kakhulu, kubalulekile ukuqaphela ukuthi azisona isizathu sokuphakama. Insimbi engagqwali ijwayele ukuba nempilo ende ezinhlelweni eziningi. Ukwengeza, isidingo sensimbi engagqwali siphezulu namuhla kunangesikhathi esidlule. Ngakho-ke, naphezu kwezinga eliphezulu lokugaywa kabusha kwensimbi engagqwali, impilo yamanje yensimbi engagqwali emapayipini ayanele ukuhlangabezana nezidingo zanamuhla zokukhiqiza. Umbuzo omuhle kakhulu lo.
Insimbi engagqwali eqhubekayo
Ngokungeziwe ekubeni nerekhodi eliqinisekisiwe lokuphinda lisetshenziswe okuhle kanye namazinga okuthola kabusha kokuphela kwempilo, insimbi engagqwali ihlangabezana nomunye umbandela obalulekile wezinto ezizinzile. Uma insimbi engagqwali efanelekile ikhethwa ukuze ihambisane nezimo zokugqwala kwemvelo, insimbi engagqwali ngokuvamile ingahlangabezana nezidingo zokuphila zephrojekthi. Nakuba ezinye izinto zingase zilahlekelwe ukusebenza kwazo ngokuhamba kwesikhathi, insimbi engagqwali ingagcina ukusebenza nokubukeka isikhathi eside. I-Empire State Building (1931) iyisibonelo esihle sokusebenza okuphakeme kwesikhathi eside kanye nokuphumelela kwezindleko zokwakha insimbi engagqwali. Isakhiwo siye sabhekana nokungcoliswa okukhulu ezimweni eziningi, okunemiphumela yokuhlanza ephansi kakhulu, kodwa insimbi engagqwali isabhekwa njengesesimweni esihle[iii].
Insimbi engagqwali - ukukhetha esimeme futhi ukonga
Okujabulisa kakhulu ukuthi ukucabangela ezinye zezinto ezifanayo ezenza insimbi engagqwali ibe ukukhetha kwezemvelo nakho kungakwenza kube ukukhetha okuhle kakhulu kwezomnotho, ikakhulukazi uma kucatshangelwa izindleko zesikhathi sokuphila zephrojekthi. Njengoba kushiwo ngaphambili, imiklamo yensimbi engagqwali ngokuvamile inganweba impilo yephrojekthi inqobo nje uma kukhethwa insimbi engagqwali efanele ukuze ihlangabezane nezimo zokugqwala zesicelo esithile. Lokhu, futhi, kwandisa inani lokuqaliswa uma kuqhathaniswa nezinto ezingenayo impilo ende. Ngaphezu kwalokho, insimbi engagqwali yamaphrojekthi ezimboni inganciphisa ukugcinwa komjikelezo wokuphila kanye nezindleko zokuhlola ngenkathi inciphisa izindleko zokunciphisa isikhathi sokukhiqiza. Endabeni yamaphrojekthi wokwakha, insimbi engagqwali elungile ingamelana nezindawo ezithile ezinokhahlo futhi iqhubeke nokugcina ubuhle bayo ngokuhamba kwesikhathi. Lokhu kunganciphisa ukupenda impilo yonke kanye nezindleko zokuhlanza ezingase zidingeke uma kuqhathaniswa nezinye izinto. Ngaphezu kwalokho, ukusetshenziswa kwensimbi engagqwali kunomthelela ekuqinisekisweni kwe-LEED futhi kusiza ukwandisa inani lephrojekthi. Ekugcineni, ekupheleni kokuphila komsebenzi, insimbi engagqwali esele inenani eliphakeme le-scrap.
Isikhathi sokuthumela: Mar-26-2024