Uma kuziwa ekwakhiweni noma ekwakhiweni kabusha kwesakhiwo, ukukhetha uphahla olufanele kungenye yezinqumo ezibaluleke kakhulu umnikazi wendawo noma usonkontileka angazithatha. Phakathi kwezici ezihlukahlukene ezinquma izinga nokusebenza kophahla, ukushuba kweshidi lokuphahla lensimbi kubalulekile. Ugqinsi lwamashidi ophahla luthonya ngokuqondile ukuqina kophahla, amandla okuthwala umthwalo, ukumelana nesimo sezulu esibi, nokusebenza kwesikhathi eside. Ukukhetha ukujiya okufanele akukhona nje mayelana nokucaciswa kwezinto ezibonakalayo; kuyisinyathelo esibalulekile sokuqinisekisa ukuthi uphahla lusebenza kahle ngokuhamba kwesikhathi futhi luletha imbuyiselo eqinile ekutshalweni kwezimali.
Amashidi okufulela ensimbi athole ukuthandwa okukhulu ngenxa yemvelo yawo engasindi, ubude bayo, kanye nokuguquguquka. Kodwa-ke, iphutha elivamile kumaphrojekthi wokufulela libukela phansi ukubaluleka kokuqina kweshidi. Abanikazi bezakhiwo abaningi bacabanga ukuthi wonke amashidi okufulela ensimbi adalwe alinganayo, kodwa umehluko wamamilimitha ambalwa nje ungathinta kakhulu amandla, ukwahlukanisa, ukugcinwa, kanye nezindleko.
1. I-Common Metal Roofing Sheet Ukujiya Imininingwane
Amashidi okufulela ensimbi atholakala ngobukhulu obuhlukahlukene, avame ukuvezwa ngezinombolo zamageji. Isistimu yezinombolo zegeji ilinganisa ngokuphambene nogqinsi: uma igeji iphansi, ishidi liyajiya. Nakuba ukujiya okuningi kutholakala kwezinhlelo zokusebenza ezihlukene, amageji asetshenziswa kakhulu ama-24, 26, no-28. Ukuqonda izici zegeji ngayinye kubalulekile ekukhetheni ishidi lokufulela lensimbi elilungile.
24 Gauge (0.0223 amayintshi / 0.567 mm)
Ishidi lokufulela lensimbi engu-24 gauge liyajiya futhi liyasinda, okwenza lifaneleke kakhulu izakhiwo zezimboni nezamabhizinisi. Ukuqina kwayo okwandayo kunikeza amandla amakhulu kanye nokuqina okuphezulu, okuyivumela ukuthi imelane nemithwalo esindayo, imimoya ephezulu, nezimo zezulu ezinzima. Ezindaweni zokugcina izimpahla zezimboni ezinkulu noma ezakhiweni zezentengiselwano ezinokusekelwa okuncane kophahla, amashidi okulinganisa angama-24 avame ukuthandwa ngenxa yokuthembeka kwawo kwesakhiwo. Nakuba kubiza kancane kunezinye izindlela ezizacile, izinzuzo zesikhathi eside ekusebenzeni nasekugcinweni kokunakekelwa zenza amashidi ophahla angama-gauge angu-24 abe ukukhetha okungabizi kakhulu kwezicelo ezidingeka kakhulu.
26 Gauge (0.0179 amayintshi / 0.455 mm)
Ishidi lokufulela lensimbi engu-26 gauge lishaya ibhalansi phakathi kokusebenza nokufinyeleleka. Lobu gqinsi buvame ukusetshenziswa ezakhiweni zezentengiselwano zokuhlala nezilula, ezinikeza amandla anele ophahleni oluvamile kuyilapho luhlala lulula futhi luphathwa kalula ngesikhathi sokufakwa. Abanikazi bezindlu nosonkontileka bavame ukukhetha amashidi okulinganisa angu-26 emizi yomndeni owodwa, izindlu zasemadolobheni, noma izakhiwo ezincane zezentengiselwano. Izindleko zayo eziphansi uma kuqhathaniswa ne-gauge engu-24 ziyenza ibe inketho ekhangayo kumaphrojekthi lapho ukucatshangelwa kwesabelomali kubaluleke kakhulu ngaphandle kokuphazamisa ukusebenza kophahla jikelele.
28 Gauge (0.0149 amayintshi / 0.379 mm)
Ishidi lokufulela lensimbi engu-28 gauge lincane futhi lilula kunamanye amageji avame ukusetshenziswa. Ngokuvamile ifanele amaphrojekthi anaka ibhajethi noma izindawo ezinokuchayeka kancane esimweni sezulu esibi kakhulu. Nakuba amashidi okufulela angama-gauge angu-28 engase asebenze kwezinye izinhlelo zokusebenza, angase asebenze kabi ngaphansi kweqhwa elisindayo, umoya onamandla, noma ezinye izimo zemvelo ezinzima. Ngakho-ke, le gauge ayinconywa kangako kumaphrojekthi ezimboni noma ogwini, lapho kudingeka ubuqotho obuphezulu besakhiwo. Kodwa-ke, kumashede okuhlala, amagaraji amancane, noma izakhiwo zesikhashana, i-gauge engu-28 inganikeza isisombululo esingokomnotho nesisebenzayo.
2. Ungakhetha Kanjani Ukuqina Okulungile Ngokusekelwe Ezimfuneko Zephrojekthi
Ukukhetha ugqinsi olufanele lweshidi lokufulela lensimbi kudinga ukucatshangelwa ngokucophelela kwezici eziningana, okuhlanganisa uhlobo lwesakhiwo, izimo zezulu, kanye nesabelomali. Ukukhetha ukujiya okungalungile kungaholela ekwehlulekeni kophahla, izindleko zokulungisa eziphakeme, nokuncipha kwesikhathi sokuphila. Nansi incazelo enemininingwane yokuqondisa inqubo yakho yokwenza izinqumo.
Uhlobo Lwesakhiwo
Izakhiwo Zezimboni: Izakhiwo zezimboni ezinkulu, izindawo zokugcina izimpahla, nezimboni ngokuvamile zidinga amashidi okulinganisa angu-24 noma ukuqina ukuze zimelane nokundindizela kwemishini esindayo, ukugcwala kophahla njalo, kanye nokuchayeka kumakhemikhali noma izinto ezingcolisayo. Ukuqina okungeziwe kuqinisekisa ukuthi uphahla luhlala luqinile ngokwesakhiwo emashumini eminyaka, kunciphisa isidingo sokulungiswa njalo.
Izakhiwo Zokuhlala: Emizini yomndeni owodwa, izindlu zasedolobheni, noma izakhiwo zokuhlala ezinamayunithi amaningi, amashidi okufulela angamageji angama-26 ngokuvamile ayanele. Banikeza ukuvikeleka okuhle kakhulu ngenkathi kugcinwa iphuzu lentengo elithengekayo kanye nokufaka kalula.
Izakhiwo Zezentengiselwano Ezilula: Amahhovisi, izindawo zokudayisa ezincane, nezakhiwo zezentengiselwano ezisezingeni eliphansi nazo zingazuza kuma-gauge sheets angu-26, ukuqina okulinganiselayo, izindleko, kanye nokukhanga kobuhle.
Izimo Zezulu
Isimo sezulu sendawo sinomthelela omkhulu ekukhetheni ukujiya kweshidi. Amashidi okufulela ensimbi kufanele akwazi ukumelana nezinselele zemvelo ezifana nomoya, iqhwa, isichotho, nokushintshashintsha kwezinga lokushisa.
Izindawo Ezinomoya Ophakeme: Izifunda ezisogwini noma izindawo ezithandwa yiziphepho zidinga amashidi aminyene, njengegeji engu-24, ukuze amelane nezivunguvungu ezinamandla ngaphandle kokuguquka.
Izifunda ezineqhwa: Izindawo ezineqhwa elinzima ziyazuza kumashidi aminyene ukuvimbela ukugoba noma ukuwa ngaphansi kweqhwa.
Izindawo Zokushisa Eziphakeme Kakhulu: Amashidi ashubile anikeza ukumelana okungcono nokwanda nokufinyela kwezinga lokushisa, ehlisa ingcuphe yokungqubuzana nokucindezeleka kwamalunga.
Ukucatshangelwa kwesabelomali
Nakuba amashidi aminyene enikeza ukuqina nokusebenza okuthuthukisiwe, futhi eza ngezindleko eziphakeme zokuqala. Kubalulekile ukulinganisa izidingo zokusebenza nezinkinga zesabelomali.
Amaphrojekthi anesabelomali esiqinile angase akhethe amashidi okulinganisa angu-28, kodwa kuphela lapho izidingo zemvelo nesakhiwo zincane.
Ekutshalweni kwezimali kwesikhathi eside, amashidi aminyene (igeji engu-24–26) ngokuvamile aholela ezindlekweni eziphansi zokunakekela kanye nempilo ende, ekugcineni anikeze imbuyiselo engcono ekutshalweni kwezimali.
3. Umthelela Wokuqina Ekusebenzeni Kweshidi Lophahla Lwensimbi
Ubukhulu be-a ishidi lokuphahla lithinta izici eziningana zokusebenza kophahla. Ukuqonda le miphumela kuzosiza abanikazi bezakhiwo benze izinqumo ezithuthukisa ukuqina nokusebenza kahle kwamandla.
Ukuqina
Amashidi ensimbi aqinile ngokuvamile ahlala isikhathi eside futhi amelana nezifaca, ukuklwebheka, nokugqwala. Ishidi legeji engu-24, isibonelo, lizogcina ubuqotho balo besakhiwo amashumi eminyaka ngisho nangaphansi kwesimo sezulu esibi. Amashidi azacile, njengegeji engu-28, angase abe lula ekulimaleni nasekugugekeni, ikakhulukazi ezindaweni zezimboni noma ezisogwini.
Ukumelana Nomoya
Amashidi okufulela kufanele amelane namandla okuphakamisa umoya, ikakhulukazi ezindaweni ezijwayele ukuba neziphepho. Amashidi aminyene anikeza ukumelana okuphezulu kokugoba nokugudluzwa, anciphisa ingozi yokulimala kophahla. Ngokuphambene, amashidi azacile angase agobe ngaphansi kwemimoya enamandla, okungase kube sengozini yokuvikela amanzi ophahleni nokuphepha kwesakhiwo.
Iqhwa neqhwa Imithwalo
Ezindaweni ezineqhwa elinzima, amandla okuthwala isisindo ophahleni abalulekile. Amashidi aminyene angasekela ukunqwabelana kweqhwa neqhwa ngaphandle kokungqubuzana noma ukwehluleka. Izakhiwo zokuhlala ezineqhwa elilula zingasebenzisa ngokuphephile amashidi okulinganisa angu-26, kodwa izakhiwo zezimboni noma isimo sezulu esisenyakatho zingadinga i-gauge engu-24 ngokuphepha.
I-Thermal Insulation
Nakuba indima eyinhloko yokufulela insimbi iyisakhiwo, ubukhulu beshidi bungaba nomthelela ekusebenzeni okushisayo. Amashidi aminyene anganikeza ukwahlukanisa okungcono kancane, ehlise ukudluliswa kokushisa futhi abe negalelo ekusebenzeni kahle kwamandla. Lokhu kunenzuzo ikakhulukazi ezimweni ezibucayi lapho izindleko ze-HVAC zingabaluleka.
4. Lihlolwa Kanjani Ikhwalithi Yamashidi Ophahla Lwensimbi
Ukukhetha ubukhulu obufanele kubalulekile, kodwa ukuhlolwa kwekhwalithi kubalulekile ngokufanayo. Ngisho neshidi eliwugqinsi lingahluleka ngaphambi kwesikhathi uma impahla noma ukunamathela kusezingeni eliphansi.
Isitifiketi Sempahla
Qinisekisa ukuthi amashidi okufulela athobela izindinganiso zamazwe ngamazwe ezifana nezitifiketi ze-ASTM, ISO, noma ze-EN. Lezi zitifiketi zibonisa ikhwalithi yensimbi, amandla, nokungaguquguquki kokusebenza, okunikeza isiqinisekiso sokuqina kwesikhathi eside.
Uhlobo Lokumboza
Amashidi okufulela ensimbi avame ukumbozwa ngezingqimba ezivikelayo njenge-zinc galvanized, i-aluminium-zinc alloys, i-polyester, noma i-PVDF. Lezi zimbotshana zivimbela ukugqwala, zithuthukisa ukumelana ne-UV, futhi zifake isandla ekukhangekeni kobuhle. Izembatho zekhwalithi ephezulu zinganweba isikhathi sokuphila kophahla, ikakhulukazi ezindaweni ezisogwini, zezimboni, noma ezinemvula ephezulu.
5. Imibono Eyiphutha Evamile Mayelana Nokuqina Kweshidi Lophahla Lwensimbi
Ukukhetha ishidi lokufulela lensimbi elifanele ngokuvamile kuhilela imibono eyiphutha engaholela ezindlekweni eziphakeme noma ukunciphisa ukusebenza.
Umbono oyiphutha 1: Amashidi Aminyene Ahlala Engcono - Nakuba amashidi okulinganisa angu-24 enikeza amandla aphezulu kanye nokumelana okungcono nomoya neqhwa, amashidi aminyene awahlali edingekayo. Izakhiwo zokuhlala ezisesimweni sezulu esimaphakathi ngokuvamile zisebenza kahle ngamashidi angama-26 geji ngezindleko eziphansi.
Umbono oyiphutha 2: Wonke Amashidi Ensimbi Ayafana - Ibanga lezinto ezibonakalayo, uhlobo lokumboza, nekhwalithi yomkhiqizi kuthinta kakhulu ukuqina, ukumelana nokugqwala, nokusebenza okushisayo. Amashidi wegeji efanayo avela kubakhiqizi abahlukene angahluka kakhulu.
Umbono oyiphutha 3: Amashidi Aminyene Asebenza Kakhulu Amandla - Ukusebenza kahle kwamandla kuncike kakhulu embotsheni, ekuqedeni okucwebezelayo, kanye nokwahlukanisa kunokuqina kuphela. Ishidi legeji engu-26 elinoqweqwe olukhanyayo lingakwazi ukudlula ishidi elingamboziwe elijiyile.
Umbono oyiphutha 4: Amashidi Azacile Awakwazi Ukubekezelela Isimo Sezulu Esiqinile - Ukufakwa okufanele, ukusekela okwanele, nezixhumi eziqinisiwe kuvumela amashidi azacile ukuthi asebenze ngendlela enokwethenjelwa ezimeni ezimbi kakhulu.
6. Isiphetho: Ukwenza Ukukhetha Okulungile Kwamashidi Akho Ophahla
Ukukhetha ubukhulu obufanele bamashidi akho okufulela ensimbi kubalulekile ekulinganiseni ukusebenza kwesakhiwo, ukusimama kwemvelo, kanye nokusebenza kahle kwezindleko. Ukuqonda umehluko phakathi kwamashidi okulinganisa angu-24, 26, nama-28, nokuhlola izidingo ezithile zephrojekthi yakho—okuhlanganisa uhlobo lwesakhiwo, izimo zezulu, kanye nesabelomali—kuqinisekisa uphahla oluletha ukuqina okuhlala isikhathi eside, ukuphepha, nokusebenza kahle kwamandla. Kubalulekile ngokulinganayo ukuhlola ikhwalithi yezinto ezibonakalayo, uhlobo lokumboza, kanye nesithunzi somkhiqizi, kunokuba ucabange ukuthi amashidi aminyene ahlala engcono. Ishidi lokufulela lensimbi elikhethwe ngokucophelela linganikeza amashumi eminyaka okuvikela ngokulungiswa okuncane, kuthuthukise kokubili ukusebenza nokuthula kwengqondo. Ukuze uthole ukuqondisa okuchwepheshile nezisombululo zokufulela zekhwalithi ephezulu ezifanelana nephrojekthi yakho, cabanga ukubonisana nochwepheshe e-Shandong Sino Steel Co., Ltd., abangakusiza ukhethe ubukhulu beshidi nezinto ezibonakalayo ukuze uhlangabezane nemigomo yakho yokwakha.
