Libakeng tsa kaho le boenjiniere ba sechaba, lisebelisoa tse sebelisoang li na le tšusumetso e kholo ho tšoarella le polokeho ea morero. E 'ngoe ea lisebelisoa tse joalo tse hlomphuoang haholo indastering ke liphaephe tsa tšepe tsa tšepe, haholo-holo tse finyellang maemo a ASTM A252. Ho utloisisa maemo ana ho bohlokoa ho lienjineri, borakonteraka le batsamaisi ba merero ka ho ts'oana, kaha ho netefatsa hore lisebelisoa tse sebelisoang li kopana le maemo a itseng a boleng le ts'ebetso.
Tekanyetso ea ASTM A252 e koahela liphaephe tsa tšepe tsa cylindrical ka ho khetheha. Liqubu tsena li etselitsoe ho sebelisoa e le litho tse jarang moroalo oa ka ho sa feleng kapa joalo ka matlo a liqubu tsa konkreite tse lahliloeng. Ho feto-fetoha hona ho li etsa karolo ea bohlokoa lits'ebetsong tse fapaneng tsa kaho, ho kenyelletsa le metheo ea marokho, meaho le meaho e meng e hlokang metheo e tebileng.
E 'ngoe ea lintlha tsa bohlokoa tsaASTM A252tekanyetso ke ho tsepamisa maikutlo holima thepa ea mochini ea tšepe e sebelisoang liqubung tsa liphaephe. Tekanyetso e hlalosa litlhoko tsa matla a lihlahisoa, matla a ho tsitsa, le bolelele ho netefatsa hore tšepe e khona ho mamella meroalo le likhatello tseo e ka kopanang le tsona nakong ea bophelo ba eona ba tšebeletso. Ho feta moo, tekanyetso e bolela mekhoa e amohelehang ea ho hlahloba thepa ena, e fana ka moralo oa netefatso ea boleng.
Mabapi le tlhahiso, lik'hamphani tse hlahisang mekoa ea lipeipi tsa tšepe li tlameha ho latela maemo a ASTM A252 ho netefatsa hore lihlahisoa tsa tsona lia tšepahala ebile li bolokehile bakeng sa kaho. Ka mohlala, k'hamphani e nang le thepa eohle ea RMB 680 milione le basebetsi ba 680 e hlahisa lithane tse 400,000 tsa liphaephe tsa tšepe tsa spiral selemo le selemo ka boleng ba tlhahiso ea RMB 1.8 limilione tse likete. Lik'hamphani tse joalo li bapala karolo ea bohlokoa ketane ea phepelo, ho fana ka lisebelisoa tsa boleng bo holimo tse fihlelang maemo a indasteri.
Mokhoa oa tlhahiso eaqubu ea phala ea tšepee kenyelletsa mehato e mengata, ho kenyelletsa khetho ea thepa e tala, ho etsa liphaephe le ts'ebeliso ea tšireletso e sireletsang. Mohato o mong le o mong o tlameha ho laoloa ka thata ho netefatsa hore o latela maemo a ASTM A252. Ka mohlala, tšepe e sebelisitsoeng e tlameha ho tsoa ho barekisi ba hlomphehang ba ka fanang ka litifikeiti tsa leloala tse pakang hore thepa e kopana le litlhaloso tse hlokahalang.
Ntle le moo, standard ea ASTM A252 e akaretsa lits'ebetso tsa welding le masela a sebelisetsoang ho etsa liqubu tsa tubular. Mekhoa e nepahetseng ea tjheseletsa e bohlokoa ho boloka botsitso ba sebopeho sa liqubu tsa tubula, mme maemo a fana ka tataiso ho netefatsa hore li-welds li etsoa ka nepo le ho hlahlojoa ka botlalo.
Ka kakaretso, maemo a ASTM A252 ke tlhaloso ea bohlokoa ho bohle ba sebetsang indastering ea kaho, haholo-holo ha ho tluoa tabeng ea tšebeliso ea liphaephe tsa tšepe. Ho utloisisa litlhoko tsa tekanyetso ena ho thusa ho netefatsa hore merero e tšoarella le ho sebelisa lisebelisoa tse tla mamella teko ea nako. Likhamphani tse hlahisang thepa ena, tse kang tse boletsoeng pejana, li phetha karolo ea bohlokoa indastering ka ho fana ka lihlahisoa tsa boleng bo holimo tse finyellang litekanyetso tse thata. Ha merero ea kaho e ntse e tsoela pele ho fetoha, ho lula u tseba maemo a kang ASTM A252 ho bohlokoa molemong oa katleho tšimong.
Nako ea poso: Apr-10-2025