Sekuyisikhathi eside amashidi okufulela amagalani eyisisekelo embonini yezokwakha, aziwa ngokuqina kwawo kanye nokumelana nokugqwala. Lawa mashidi angamapaneli ensimbi noma ensimbi ambozwe ungqimba lwezinc, olunikeza umgoqo wokuzivikela ngokumelene nezakhi zemvelo. Ukuqonda ubunkimbinkimbi bamashidi ophahla lukathayela kubalulekile kubadwebi bezakhiwo, abakhi, kanye nabanikazi bezindlu abahlose ukwenza izinqumo ezinolwazi mayelana nezinto zokufulela.
Ukusetshenziswa kwe Ishidi Lophahla ekwakhiweni kwesimanje lidlulela ngalé kwendawo yokukhosela nje; kuhlanganisa ukusebenza kahle kwamandla, ukukhanga kobuhle, nobuqotho besakhiwo. Lesi sihloko sidingida ukwakheka, inqubo yokukhiqiza, izinhlobo, izinzuzo, kanye nokusetshenziswa okungokoqobo kwamashidi ophahla lukathayela, ihlinzeka ukuqonda okuphelele kochwepheshe bemboni nabashisekeli ngokufanayo.
Ukwakhiwa kanye Nenqubo Yokukhiqiza
Amashidi okufulela amagalani akhiqizwa ngenqubo eyaziwa ngokuthi i-hot-dip galvanization. Ngale ndlela, amashidi ensimbi acwiliswa kubhavu we-zinc encibilikisiwe emazingeni okushisa acishe abe ngu-460°C (860°F). I-zinc metallurgically ibophezela ensimbi, yakhe uchungechunge lwezingqimba ze-zinc-iron alloy. Lokhu kunamathela akugcini nje ngokunamathela phezulu kodwa futhi kunikeza isivikelo se-cathodic, ukuqinisekisa ukuthi noma ngabe ingaphezulu liklwetshiwe, insimbi eveziwe isavikelekile ekugqwaleni.
Ugqinsi longqimba lwezinc lungahluka, ngokuvamile lukalwa ngamagremu ngemitha yesikwele (g/m²). Izingubo ezivamile zisuka ku-Z100 ziye ku-Z600, lapho izinombolo eziphakeme zibonisa izendlalelo eziwugqinsi ze-zinc kanye nokumelana nokugqwala okuthuthukisiwe. Ukulawulwa kwekhwalithi ngesikhathi sokukhiqiza kubalulekile, njengoba ukunamathela okufanayo nokunamathela okufanele kunquma ubude besikhathi nokusebenza kwamashidi okufulela.
Izinhlobo Zamashidi Ophahla Akhandiwe
Kunezinhlobo ezimbalwa zamashidi ophahla lukathayela, ngalinye lakhelwe ukuhlangabezana nezidingo ezithile zezakhiwo nesakhiwo:
Amashidi Afakwe Kathayela
Lawa mashidi anephethini ye-wavy, ethuthukisa amandla awo futhi enze kube lula ukugeleza kwamanzi. I-corrugation ikhulisa amandla okugoba eshidi, ikwenze lifaneleke ukufulela nokuseceleni kwezicelo lapho ukuqina kubaluleke kakhulu.
Amashidi Angenalutho Akhandiwe
Amashidi angenalutho ayisicaba futhi angasetshenziselwa izinhlelo zokusebenza ezihlukahlukene, okuhlanganisa ukwenziwa kwamapayipi omoya, amaphaneli ezimoto, nezingxenye zokwakha. Ukuguquguquka kwazo kubangelwa ukuthi zingasikwa kalula futhi zibunjwe kalula.
Amashidi Ophahla Asephrofayilini
Amashidi anephrofayela adizayinelwe anomumo othize ukuze afane nemiklamo yezakhiwo nezidingo zesakhiwo. Bavame ukulingisa izinto zokufulela zendabuko njengamathayela noma ama-shingles kodwa banikeze izinzuzo zensimbi enamapulangwe.
Izinzuzo Zamashidi Ophahla Akhandiwe
Amashidi okufulela amagalani anikeza inqwaba yezinzuzo eziwenza abe yinketho ekhethwayo kumaphrojekthi ahlukahlukene wokwakha:
Ukumelana Nokugqwala
Inzuzo eyinhloko ukumelana kwazo okungavamile nokugqwala. I-zinc coating isebenza njengesendlalelo somhlatshelo, ivikela insimbi engaphansi ekugqwaleni futhi inwebe isikhathi sokuphila sempahla yokufulela, ngisho nasezimweni zezulu ezinzima.
Izindleko-Ngempumelelo
Uma kuqhathaniswa nezinye izinto zokufulela ezifana ne-aluminium noma ithusi, insimbi yamagalani ingathengeka kakhulu kuyilapho isanikeza ukuqina nokuphila isikhathi eside. Lokhu kuphumelela kwezindleko kwenza kufinyeleleke kumaphrojekthi amakhulu kanye nentuthuko ehambisana nesabelomali.
Ukufaka kalula
Amashidi okufulela amagalani alula futhi angathuthwa futhi afakwe kalula. Ukuhambisana kwazo nezinhlelo ezihlukahlukene zokubopha kwenza kube lula inqubo yokufaka, kunciphisa izindleko zabasebenzi kanye nezikhathi zephrojekthi.
Isikhalazo Sobuhle
Amashidi esimanje anothayela afika emikhawulweni ehlukahlukene futhi angapendwa noma ambozwe ngama-polymers ukuze abukeke ngcono futhi avikeleke okwengeziwe. Lokhu kuguquguquka kuvumela abaklami bezakhiwo ukuthi bathole ubuhle obufiswayo ngaphandle kokuyekethisa ekusebenzeni kwezinto ezibonakalayo.
Izicelo ku-Modern Construction
Ukusetshenziswa kwamashidi okufulela ngothayela kuhlanganisa imikhakha eminingana ngenxa yokuguquguquka nokuqina kwawo:
Izakhiwo Zokuhlala
Ekwakhiweni kwezindlu zokuhlala, amashidi ophahla oluthayela asetshenziselwa izindlu ezintsha nokulungiswa kabusha. Ukuphila kwabo isikhathi eside kunciphisa izidingo zokunakekelwa, futhi ikhono labo lokubonisa ukushisa kwenza amakhaya asebenzise amandla kakhudlwana.
Izakhiwo Zokuhweba
Izakhiwo zezentengiselwano zihlomula ngokuhlala isikhathi eside nokunakekelwa okuphansi kophahla lukathayela. Zilungele izindawo zokugcina izimpahla, izindawo zokudayisa, nezakhiwo zamahhovisi lapho ukusebenza kwesikhathi eside kubalulekile.
Izinsiza Zokulima
Amashidi anothayela avamile ezindaweni zezolimo, ezimboza izinqolobane, izisele, nezindawo zokugcina izinto. Ukumelana kwazo nokugqwala kuzenza zilungele izindawo ezichayeke kumswakama kanye namakhemikhali.
Amaphrojekthi Wezimboni
Izikhungo zezimboni zivame ukudinga izinto zokufulela ezingamelana nokuchayeka kukungcola kanye nokusebenza kwemishini esindayo. Amashidi okufulela amagalani ahlangabezana nalezi zidingo ngenkathi ehlinzeka ngokuphepha nokuhambisana nezindinganiso zomkhakha.
Ukucaciswa Kwezobuchwepheshe Namazinga
Ukunamathela ezindinganisweni zobuchwepheshe kuqinisekisa ikhwalithi nokuthembeka kwamashidi okufulela ngothayela:
Amazinga we-ASTM
E-United States, i-ASTM International inikeza imininingwane efana ne-ASTM A653/A653M, echaza izidingo zeshidi lensimbi, elihlanganiswe nenqubo ye-hot-dip.
Amazinga Omhlaba
Okulingana kwamazwe ngamazwe njenge-ISO 3575 kanye ne-JIS G3302 icacisa imihlahlandlela efanayo, iqinisekisa ukuthi amashidi afakwe uthayela ahlangabezana nezilinganiso zekhwalithi yomhlaba wonke. Ukuhambisana nalawa mazinga kubalulekile kumaphrojekthi adinga ukusebenzisana kwemingcele kanye nokutholakala kwezinto ezibonakalayo.
Imikhuba Engcono Kakhulu Yokufaka Nokunakekela
Ukufakwa nokugcinwa ngendlela efanele kubalulekile ukuze kwandiswe isikhathi sokuphila samashidi okufulela ngothayela:
Ukuphatha kanye Nesitoreji
Amashidi kufanele agcinwe ezimeni ezomile futhi asingathwe ngokucophelela ukuze kuvinjelwe imihuzuko noma ukucwila okungase kuphazamise ungqimba lwezinc oluvikelayo. Kunconywa amagilavu okuzivikela kanye nemishini ngesikhathi sokuphatha.
Amasu okufaka
Ukusebenzisa izibophelelo ezifanele kanye nezinto zokuvala kuvimbela ukungena nokugqwala kwamanzi. Amashidi agqagqene ngokufanelekile kanye nokuqinisekisa ukuqiniswa okuvikelekile yizinyathelo ezibalulekile enqubweni yokufaka.
Ukuhlola Okuvamile
Ukuhlola ngezikhathi ezithile kusiza ukuhlonza izinkinga ezingaba khona njengezindawo zokugqwala, izibophelelo eziqinile, noma ukuwohloka kwe-sealant. Ukutholwa kusenesikhathi kuvumela ukulungiswa ngokushesha, kuvimbela izinkinga ezincane ukuthi zingabhebhetheki.
Ukucatshangelwa Kwemvelo
Ukusimama kanye nomthelela wemvelo kuya ngokuya kubaluleke kakhulu ekukhetheni izinto zokwakha:
Ukusebenziseka kabusha
Insimbi engaphekiwe igaywa kabusha ngokuphelele ngaphandle kokulahlekelwa izakhiwo. Ekupheleni komjikelezo wempilo yayo, ingacutshungulwa kabusha, inciphise umkhondo wemvelo futhi ibe negalelo ezinhlelweni zomnotho eziyindilinga.
Ukusebenza Kwamandla
Izakhiwo ezikhanyayo zamashidi ophahla lukathayela zifaka isandla ekusebenzeni kahle kwamandla ngokunciphisa ukumuncwa kokushisa. Lesi sici sinenzuzo ikakhulukazi ezindaweni ezifudumele, kunciphisa izindleko zokupholisa kanye nokusetshenziswa kwamandla.
I-Case Studies kanye nedatha yemboni
Ukuhlaziya izinhlelo zokusebenza zomhlaba wangempela kunikeza ukuqonda ekusebenzeni kwamashidi okufulela ngothayela:
Ukusebenza Kwesikhathi Eside Ezindaweni Zasogwini
Ucwaningo luye lwabonisa ukuthi amashidi okufulela kathayela anezinki eziphakeme (i-Z275 nangaphezulu) abonisa ukuqina okuhle kakhulu ezindaweni ezisogwini lapho isifutho sikasawoti sisheshisa ukugqwala. Izakhiwo ezigudle ugu zibike ukuwohloka okuncane emashumini eminyaka echayeke.
Ukwethenjwa Kwendawo Yezimboni
Isakhiwo sezimboni esisebenzisa uphahla lukathayela sithole ukonga okukhulu kwezindleko ngenxa yokuncishiswa kokulungisa kanye nesikhathi sokungasebenzi. Ukuqina kwezinto zokufulela kube nomthelela ekusebenzeni kahle nokuphepha kwesikhungo.
Intuthuko kanye Nezintsha
Imboni yokufulela iyaqhubeka nokuthuthuka, ngamashidi okufulela othayela ahamba phambili ekusungulweni okusha:
I-Eco-Friendly Coatings
Ucwaningo lwezinye izinto zokumboza luhlose ukuthuthukisa ubungane bemvelo ngaphandle kokuphazamisa ukusebenza. Lokhu kuhlanganisa ukwenza ama-coatings anciphisa ukusetshenziswa kwezinto eziyingozi futhi athuthukise ukugaywa kabusha.
Ukuhlanganisa ne-Renewable Energy Systems
Amashidi ophahla lukathayela aya ngokuya eklanywa ukuze afake amaphaneli elanga nokunye ukufakwa kwamandla avuselelekayo. Le synergy ikhuthaza izinqubo zokwakha ezisimeme kanye nokuzimela kwamandla.
Ukuqhathanisa Nezinye Izinto Zokufulela
Ukuqonda ukuthi amashidi ophahla aluthayela anqwabelana kanjani ngokumelene nezinye kubalulekile ekukhetheni impahla:
I-Aluminium Roofing
Nakuba i-aluminium ilula futhi imelana nokugqwala, ivamise ukubiza kakhulu kunensimbi ewuthayela. I-aluminiyamu nayo ayinalo izinga elifanayo lamandla esakhiwo, okungaba yingozi ezindaweni ezijwayele ukuba nesimo sezulu esibi kakhulu.
I-Asphalt Shingles
Ama-Asphalt shingles ajwayelekile ophahleni lwezindlu ngenxa yezindleko zabo eziphansi kanye nokufaka kalula. Kodwa-ke, banesikhathi esifushane sokuphila kanye nokuqina okuphansi uma kuqhathaniswa nensimbi yama-galvanized, okuholela ezindlekweni eziphakeme zesikhathi eside.
Uphahla Lwethayela
Ukufulela uthayela kunikeza ukukhanga kobuhle nokuphila isikhathi eside kodwa kuza nesisindo esithe xaxa kanye nezindleko. Ukufakwa kudinga izakhiwo eziqinisiwe ukusekela amathayela asindayo, okungenzeka kungenzeki kuwo wonke amabhilidi.
Ukucatshangelwa Kokulawula Nokuhambisana
Ukuhambisana namakhodi wokwakha kanye nemithethonqubo kuyisibopho ukuze kusetshenziswe amashidi ophahla lukathayela:
Izilinganiso Zokumelana Nomlilo
Amashidi ophahla anothayela kufanele ahlangabezane nezindinganiso ezithile zokumelana nomlilo, ikakhulukazi ezifundeni ezivame ukusha. Imvelo engashi yezinto ezibonakalayo ngokuvamile iyinikeza inzuzo ngaphezu kwezinketho zokufulela ezihlukile.
Imithethonqubo Yezemvelo
Ukuhlola umthelela wendawo kungase kudinge ukusetshenziswa kwezinto ezinciphisa imilobo yezinyawo zemvelo. Ukuphinda kusetshenziswe kabusha kwamashidi ophahla oluthathiwe nokusebenza kahle kwamandla kungasiza amaphrojekthi ahlangabezane nalezi zidingo eziqinile.
Umthelela Wezomnotho kanye Nezitayela Zemakethe
Imakethe yamashidi ophahla lukathayela ithonywa yizinto ezahlukahlukene zomnotho:
Isidingo Somhlaba Wonke
Isidingo samashidi ophahla lukathayela siyakhula emazweni asathuthuka ngenxa yokukhula kwamadolobha nokuthuthukiswa kwengqalasizinda. Lo mkhuba ugqugquzela ukusungulwa kanye namandla okukhiqiza akhulayo.
Ukushintshashintsha Kwamanani
Izintengo zensimbi nokutholakala kwe-zinc kungathinta izindleko zamashidi okufulela ngothayela. Ukuqonda lezi zinguquko zemakethe kubalulekile ekuhleleni imali nasekuhleleni amaphrojekthi.
Ukukhetha Ishidi Lokufulela Elinothayela Elingakwesokudla
Ukukhetha i-roofing sheet efanele kuhilela ukucatshangelwa okuningi:
Izimo Zemvelo
Hlola izimo zezulu, ezinjengomswakama, izinga lokushisa elidlulele, kanye nokuchayeka ezintweni ezingcolisayo, ukuze ukhethe ishidi elinogqinsi olufanele kanye nephrofayili.
Izidingo Zesakhiwo
Cabangela umthamo wesakhiwo wesakhiwo ukusekela impahla yokufulela. Izinketho ezingasindi zingase zidingeke ezakhiweni ezithile, kuyilapho ezinye zingakwazi ukwamukela amashidi asindayo, aqinile.
Izintandokazi Zobuhle
Khetha amaphrofayili futhi aqedele aqondana nesikhalo esibonakalayo osifunayo. Imibala yangokwezifiso nama-coatings kungathuthukisa ukwakheka okuphelele kwesakhiwo.
Isiphetho
Amashidi okufulela enziwe uthayela amele inhlanganisela evumelanayo yokuqina, ukonga kwezindleko, kanye nokuguquguquka. Ikhono labo lokumelana nezinselele zemvelo kuyilapho benikeza ukusekelwa kwesakhiwo kubenza babe impahla eyigugu ekwakhiweni kwesimanje. Ngokuqonda izinhlobo ezahlukene, izinqubo zokukhiqiza, namasu okufaka isicelo, ochwepheshe bangasebenzisa amandla aphelele amashidi okufulela ngothayela kumaphrojekthi abo.
Ukuthuthuka okuqhubekayo kobuchwepheshe be-Roofing Sheet kuthembisa ukuthuthukiswa okwengeziwe ekusebenzeni nasekusimameni, kuqinise indima yabo ekulolongeni ukubukeka kwekusasa.
