Ha litoropo lefatšeng ka bophara li ntse li matha ho ntlafatsa meaho ea botsofali le ho aha meaho e mecha ea litoropo,liqubu tsa tšepeli hlahile e le tharollo e fetolang papali-ka lebelo la tsona la ho kenya ka potlako ho fetoha mokhanni oa bohlokoa oa ho adoptha, ho thusa borakonteraka ho fokotsa nako ea merero har'a kemiso e thata ea kaho ea litoropo.
Lintlha tsa indasteri ho tsoa ho Global Steel Construction Association (GSCA) li bonts'a keketseho ea 22% ea selemo le selemoqubu ea lakanets'ebeliso ea merero ea litoropo ka 2024, likatoloso tsa metro, ntlafatso ea sebaka sa metsi, le mosebetsi o tebileng oa ho cheka metheo e phahameng. Ho fapana le meaho ea setso ea ho boloka konkreite e hlokang libeke tsa nako ea ho folisa,liqubu tsa tšepe tsa mehleng ea kajeno-hangata e entsoeng esale pele ho fihlela litekanyo tse ikhethileng tsa morero - e ka khannoa fatše ka sekhahla sa 15 ho isa ho 20 linear metres ka letsatsi, e fokotsa nako ea kaho ea setšeng ka 30% ka karolelano.
"Kaho ea litoropo ha e eme - tieho e bolela litšenyehelo tse phahameng le tšitiso e eketsehileng ho baahi," ho boletse Maria Hernandez, moenjiniere e moholo oa litšebeletso tsa motheo femeng ea kaho e thehiloeng Madrid ea EuroBuild. "Projekeng ea rona ea morao-rao ea katoloso ea metro e Barcelona, e fetohelang ho tse lingliqubu tsa lakane tse chesang tse biditsoengbakeng sa mabota a bolokang kotopo a kuta matsatsi a 12 ho tloha mokhahlelong oa ho epolla. Ho bohlokoa haholo ha o sebetsa libakeng tse teteaneng tse nang le phihlello e fokolang. ”
Boipiletso bau sheet pilese fetela ka nqane ho lebelo. Liaparo tsa tsona tse thibelang ho bola (tse kang hot-dip galvanization kapa li-polymer treatments) li etsa hore li tšoarelle nako e telele bakeng sa tšebeliso ea mekhoa ea nako e telele, ha mokhoa oa bona oa modular o lumella ho tlosoa habonolo le ho sebelisoa hape mererong ea nako e tlang-ho lumellana le lipakane tsa lefats'e tsa ts'ebetso ea litoropo. Ntlafatsong ea metsi ea Marina Bay ea Singapore, mohlala, liqubu tse kentsoeng ka 2023 ho tsitsisa mobu o tsosolositsoeng li tla khutlisetsoa morero oa ts'ireletso ea lebopo ka 2025, ho fokotsa litšila tsa thepa ka 40%.
Baetsi ba meralo ea litoropo ba boetse ba hlokomela melemo ea sephethephethe le phihlello ea sechaba. Toronto, kotara e fetileng, morero oa katoloso ea litsela o ile oa sebelisa liqubu tsa maqephe ho aha mabota a nakoana sebakeng sa mosebetsi. “Kaha ho ile ha phethoa ho kenya ka masiu a mararo feela, re ile ra qoba ho koaloa ha litsela ka ho feletseng nakong ea tlhōrō—e leng ntho e neng e ke ke ea khoneha ka mabota a konkreite,” ho boletse ’muelli oa Lefapha la Lipalangoang la Toronto James Liu.
Bahlahisi ba arabela tlhokahalong e ntseng e hola ka ho ntlafatsa ho ea pele. Pejana khoeling ena, mohlahisi oa tšepe oa Dutch ArcelorMittal o ile a hlahisa mofuta o mocha oa qubu ea lakane e bobebe e bolokang matla a phahameng empa e bonolo ho 15% ho e tsamaisa le ho e kenya, e lebisitseng merero ea litoropo tse bohareng moo ho fihlella mechine e boima e fokolang.
Litsebi tsa indasteri li bolela esale pele hore mokhoa ona o tla potlaka ka 2025, 'me kamohelo ea qubu e lebelletsoeng ho hola ka 18% ha litoropo tsa Asia le Afrika li ntse li eketsa matsete a litšebeletso tsa motheo. Raj Patel, mohlahlobi oa litšebeletso tsa motheo oa GSCA, o itse: "Boemo ba litoropo ha bo fokotsehe, 'me borakonteraka ba hloka litharollo tse lekanyang lebelo, polokeho le ts'ebetso e tsitsitseng." Liqubu tsa lipampiri li hlahloba mabokose ao kaofela—’me karolo ea tsona ho theheng meaho e metle ea litoropo e tla hola.”
Aterese
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Mohala
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Nako ea poso: Sep-03-2025