Ingaphandle lesakhiwo lidinga ukuqina, ukuqina, nokumelana nomlilo. Amaphaneli e-Aluminium composite panel (ACP) ayinto ethandwayo yokuhlanganisa yangaphandle enganikeza lezi zakhiwo. Nokho, ukumelana nomlilo kwama-ACP kuye kwabatshazwa, ikakhulukazi ngemva kwenhlekelele yaseGrenfell ngo-2017. Kulesi sihloko, sizohlola isayensi yokumelana nomlilo kwamaphaneli angaphandle ayinhlanganisela ye-aluminium.
Ayini amaphaneli e-Aluminium Composite?
Amaphaneli ayinhlanganisela ye-Aluminium ahlanganisa amashidi amabili e-aluminium azacile ahlanganiswe nengqikithi engeyona i-aluminium, ngokuvamile eyenziwa nge-polyethylene. Izendlalelo ezintathu zihlanganiswe ndawonye ngaphansi kokushisa nokucindezela ukuze zakhe iphaneli eyodwa. Amashidi e-aluminium asebenza njengezikhumba zangaphandle, kuyilapho umgogodla uhlinzeka ngokuqina kwesakhiwo kanye nokwahlukanisa. Ama-ACP asedumile eminyakeni yamuva nje ngenxa yokungasindi kwawo, ukuguquguquka, kanye nokukhanga kobuhle.
Kungani ama-ACP Ekwazi ukumelana nomlilo?
Ukumelana nomlilo kwama-ACP kuncike ezintweni ezimbalwa, njengokujiya kanye nekhwalithi yezikhumba zangaphandle kanye nohlobo lwezinto eziwumgogodla. Abakhiqizi abaningi be-ACP banikeza amabanga ahlukene amaphaneli angashayi umlilo, ngokuvamile alinganiselwe kusukela ku-A1 kuya ku-B-s3, d0 ngokuvumelana nezindinganiso zase-Europe.
Isilinganiso se-A1 izinga eliphezulu kakhulu lokumelana nomlilo futhi sisho ukuthi iphaneli ayishi futhi ayifaki isandla ekusabalaleni komlilo. Lawa maphaneli enziwe ngezinto ezingaphili, njengengilazi noma insimbi, engashi. Akuwona wonke ama-ACP angafinyelela isilinganiso se-A1, futhi ngokuvamile abiza kakhulu kunamaphaneli anesilinganiso esiphansi.
Isilinganiso se-B-s3, d0 sisabhekwa njengokumelana nomlilo kodwa sisho ukuthi iphaneli ingaba negalelo ekusabalaleni komlilo ngezinga elilinganiselwe. Lawa maphaneli anezinga eliphansi lokumelana nomlilo kune-A1, kodwa asengakwazi ukuhlangabezana nezidingo zekhodi yokwakha emazweni amaningi.
Ama-ACP Amelana Kanjani Nomlilo?
Ukumelana nomlilo kwama-ACP kuncike ezindleleni ezimbili eziyinhloko: ukubambezeleka komlilo kanye nokufakwa kwe-thermal. I-Flame retadancy yikhono lezinto ezikwazi ukumelana nokuvutha, ukusekela ukuvutha, noma ukufaka isandla ekusabalaleni komlilo. Ukufakwa kwe-thermal yikhono lempahla yokugcina ubuqotho besakhiwo nokuvimbela ukudluliswa kokushisa ngesikhathi somlilo.
Izikhumba zangaphandle zama-ACP zivame ukumbozwa ngendwangu kapende noma i-polymer esebenza njengesinqamuleli somlilo. Lokhu kunamathela kungaqukatha izigcwalisi zamaminerali, njenge-magnesium hydroxide, i-aluminium hydroxide, noma ubumba, okungakhulula amanzi noma amanye amagesi lapho kuvezwe ukushisa futhi kunciphise amagesi avuthayo akhiqizwa ngesikhathi sokusha. Le nqubo inganciphisa noma ivimbele ukushiswa kwezinto eziyinhloko futhi inciphise ukushisa okukhishwe ngesikhathi somlilo.
Izinto eziwumgogodla zama-ACP nazo zingathinta ukumelana kwazo nomlilo. Izinhlamvu ze-polyethylene zivutha kakhulu kunezinsimbi ezigcwele amaminerali, njengoboya bedwala noma igwebu le-ceramic. I-polyethylene ingancibilika, iconse, futhi ivutha kalula kunezinto ezisekelwe kumaminerali, futhi ingakhulula namagesi anobuthi lapho ishisiwe. Ngakho-ke, abanye abakhiqizi be-ACP basebenzisa ama-cores angashi noma angashi kancane, njengekhekheba lezinyosi ze-aluminium noma imicu ye-ceramic, ukuze bathuthukise ukumelana nomlilo kwamapaneli abo.
Izakhiwo zokushisa ezishisayo zama-ACP nazo zibalulekile ekumelana nomlilo. Ngesikhathi somlilo, into ethile ingalahlekelwa amandla futhi iwe uma ingakwazi ukuvimbela ukudluliswa kokushisa emgodleni wayo. Ama-ACP anganikeza ukufakwa kwe-insulation ngokudala igebe phakathi kwezikhumba zangaphandle kanye nomgogodla, okungakhawulela ukusabalala kokushisa kuphaneli. Ugqinsi lwegebe kanye nezinto eziwumgogodla zingaphinde zibe nomthelela ekuphatheni okushisayo nokufakwa kwama-ACP.
Yiziphi Izinselelo zama-ACP Angangeni Emlilweni?
Nakuba ama-ACP angafinyelela amazinga aphezulu okumelana nomlilo, asabeka izinselelo ezithile kubakhi, abakhi, kanye nabalawuli. Enye inselele ukuhluka kwamazinga nemithetho yokuhlola umlilo emazweni nasezifundeni ezihlukahlukene. Ama-ACP ahlangabezana nezidingo zokumelana nomlilo ezweni elilodwa angase angahlangabezani nezimfuneko kwelinye izwe ngenxa yomehluko wezindlela zokuhlola nemibandela.
Enye inselele ukukhethwa nokufakwa kwama-ACP esakhiweni esithile. Ukuklanywa nokusetshenziswa kwesakhiwo kungathinta izidingo zokumelana nomlilo zama-ACP. Isibonelo, isakhiwo esisezingeni eliphezulu singase sidinge amazinga aphezulu okumelana nomlilo kunesakhiwo esinesitezi esisodwa, njengoba esangaphambili singabeka ingozi enkulu yomlilo obhebhetheka ubheke phezulu.
Isiphetho
Ukumelana nomlilo kwamaphaneli ahlanganisiwe e-aluminium yangaphandle kuncike ezintweni eziningi, njengekhwalithi yezikhumba zangaphandle, uhlobo lwento ewumongo, kanye nomklamo nokusetshenziswa kwesakhiwo. Ama-ACP ayinto ethandwayo yokuhlanganisa yangaphandle ngenxa yokukhanya kwawo, ukuguquguquka, kanye nokukhanga kobuhle. Kodwa-ke, ukumelana nomlilo kwama-ACP kuye kwabuzwa ngemva kwenhlekelele yaseGrenfell ngo-2017. Ngakho-ke, kubalulekile ukuqonda isayensi ngemuva kokumelana nomlilo kwama-ACP futhi ukhethe futhi uwafake ngokucophelela ukuze uqinisekise ukuphepha kwebhilidi kanye nabahlala kulo.
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