Kwiinkalo zokwakha kunye nobunjineli boluntu, izinto ezisetyenzisiweyo zineempembelelo ezibalulekileyo ekuhleni nasekukhuselekeni kweprojekthi. Enye yezinto ezinjalo ezihlonitshwa kakhulu kwishishini ziimfumba zemibhobho yensimbi, ngakumbi ezo zidibana nomgangatho we-ASTM A252. Ukuqonda lo mgangatho kubalulekile kwiinjineli, iikontraka, kunye nabaphathi beeprojekthi ngokufanayo, njengoko uqinisekisa ukuba izixhobo ezisetyenziswayo zihlangabezana nemigangatho ethile kunye nemigangatho yokusebenza.
Umgangatho we-ASTM A252 ugubungela i-cylindrical yodonga lwegama lombhobho wentsimbi ngokukodwa. Ezi mfumba ziyilelwe ukuba zisetyenziswe njengamalungu asisigxina athwele imithwalo okanye njengezindlu zeemfumba zekhonkrithi ezifakwe kwindawo. Oku kuguquguquka kubenza babe yinxalenye ebalulekileyo kwizicelo ezahlukeneyo zokwakha, kubandakanywa iziseko zeebhulorho, izakhiwo, kunye nezinye izakhiwo ezifuna iziseko ezinzulu.
Enye yeengongoma eziphambili zeI-ASTM A252umgangatho kugxininiso lwawo kwiipropati mechanical zentsimbi ezisetyenziswa iimfumba imibhobho. Umgangatho uchaza iimfuno zamandla esivuno, amandla okuqina, kunye nokwandisa ukuqinisekisa ukuba intsimbi inokumelana nemithwalo kunye noxinzelelo olunokuthi luhlangabezane nayo ngexesha lokuphila kwayo kwenkonzo. Ukongezelela, umgangatho uchaza iindlela ezamkelekileyo zokuvavanya ezi zakhiwo, ukubonelela ngesakhelo sokuqinisekisa umgangatho.
Ngokubhekiselele kwimveliso, iinkampani ezivelisa iimfumba zemibhobho yensimbi kufuneka zihambelane nomgangatho we-ASTM A252 ukuqinisekisa ukuba iimveliso zabo zithembekile kwaye zikhuselekile ukwakhiwa. Ngokomzekelo, inkampani ene-asethi ye-RMB 680 yezigidi kunye nabasebenzi be-680 ivelisa iitoni ezingama-400,000 zemibhobho yensimbi ejikelezayo ngonyaka kunye nexabiso lemveliso ye-RMB 1.8 yezigidigidi. Iinkampani ezinjalo zidlala indima ebalulekileyo kwikhonkco lokubonelela, zibonelela ngezinto ezikumgangatho ophezulu ezihlangabezana nemigangatho yoshishino.
Inkqubo yemveliso yeimfumba yentsimbi yombhobhoibandakanya amanyathelo amaninzi, kubandakanywa ukukhethwa kwempahla ekrwada, ukwenza umbhobho kunye nesicelo sokugquma sokukhusela. Inyathelo ngalinye malilawulwe ngokungqongqo ukuqinisekisa ukuthotyelwa komgangatho we-ASTM A252. Ngokomzekelo, intsimbi esetyenzisiweyo kufuneka ivele kubaboneleli abahloniphekileyo abanokubonelela ngezatifikethi zokugaya ezibonisa ukuba izinto eziphathekayo zihlangabezana neenkcukacha ezifunekayo.
Ukongeza, umgangatho we-ASTM A252 ugubungela ukuwelda kunye neenkqubo zokwenza izinto ezisetyenziselwa ukwenza iimfumba ze-tubular. Ubuchule be-welding obufanelekileyo bubaluleke kakhulu ekugcineni ukunyaniseka kwesakhiwo kwiimfumba ze-tubular, kwaye umgangatho unika izikhokelo zokuqinisekisa ukuba i-welds yenziwa ngokuchanekileyo kwaye ihlolwe ngokucokisekileyo.
Lilonke, umgangatho we-ASTM A252 luphawu olubalulekileyo kubo bonke abasebenza kushishino lokwakha, ngakumbi xa kufikwa kusetyenziso lweemfumba zemibhobho yentsimbi. Ukuqonda iimfuno zalo mgangatho kunceda ekuqinisekiseni ukuba iiprojekthi zihlala ixesha elide kwaye zisebenzise izixhobo eziza kumelana novavanyo lwexesha. Iinkampani ezivelisa ezi zixhobo, ezifana nezo zikhankanywe ngaphambili, zidlala indima ebalulekileyo kwishishini ngokubonelela ngeemveliso ezikumgangatho ophezulu ezihlangabezana nemigangatho engqongqo. Njengoko iiprojekthi zokwakha ziqhubeka nokuvela, ukuhlala usexesheni kwimigangatho efana ne-ASTM A252 kubalulekile kwimpumelelo ebaleni.
Ixesha lokuposa: Apr-10-2025