A1 Ekipimo ky’Omuliro ogutayokya

Bw’otunuulira ensengeka y’ekipande eragiddwa mu bifaananyi ebyakwatibwa ddala mu kkolero, olubaawo lulimu ebitundu bibiri ebiteetaagisa: ekipande ky’ekyuma ekifumbiddwa mu bbugumu ng’olususu olukuuma ebweru, n’omusingi gwa fiber‐cement ogutali gwa density ogw’amaanyi munda. Okwawukana ku bipande ebiziyiza omuliro ebitabuddwamu ebiramu ebigatta ebirungo ebiziyiza omuliro mu bitundu bya polimeeri, ekintu kyaffe ekikulu kikwata enkola ya fiber‐cement etali ya butonde yokka. Tewali kitundu kya organic resin ekiyinza okukwata omuliro munda mu core layer, ekiteeka omusingi omukulu ogw’omulimu gw’okupima omuliro ogutayokya A1. Ebituli ebisengekeddwa obulungi ebya kimu ku kyuma ekikoleddwa mu galvanized si bya kuyingiza mpewo oba kuyooyoota. Mu kiseera ky’enkola y’okugatta mu bbugumu erya waggulu, ekintu ekisookerwako ekya fiber‐cement eky’embeera y’amazzi kiyingira mu bituli bino ebitonotono ne kikaluba, ne kivaamu okuzibikira okw’ebyuma wakati w’olususu lw’ekyuma n’omusingi gwa seminti. Ensengeka eno ey’okukwatagana ey’omubiri (physical interlock structure) nkulu nnyo mu kukuuma omulimu gw’obukuumi bw’omuliro ogwa A1‐grade wansi w’embeera z’omuliro ogwa nnamaddala.

Ebipande bingi ebivuganya ebigumira omuliro bisobola okuyita mu kugezesebwa kw’omuliro ogw’okungulu okw’ekiseera ekitono, naye ate oluwuzi lw’okusiba olusiiga bwe lumala okulemererwa wansi w’okufumba okw’ebbugumu eringi, ekisengejja eky’okungulu kijja kusekula mangu. Oluvannyuma lw’okusalako (delamination), substrate ey’omunda ejja kukwatibwa butereevu ennimi z’omuliro, era olubaawo lwonna lujja kufiirwa obusobozi obw’okwawula omuliro obw’olubereberye. Olw’enkola ya perforated interlocking mechanism, composite panel yaffe yeewala ekikyamu kino ekitta. Ne wansi w’embeera y’omuliro ey’ebbugumu eringi ewangaala, olususu lw’ekyuma olukoleddwa mu galvanized n’omusingi gwa fiber‐cement bisigala nga bikwatagana bulungi ng’omubiri gumu ogw’omugatte. Oluwuzi lw’ekyuma terujja kugwa mu bitundutundu, kale omusingi ogutali gwa kiramu gusobola okusigala nga guzannya omulimu gwagwo ogwa A1‐grade non‐combustible obutasalako.

Mu nsonga z’ebintu ebikulu eby’obukuumi bw’omuliro ebireeteddwa A1 non‐combustible fire rating, ebirungi bisatu ebikulu bye bisinga okulabika. Ekisooka, zero flame‐propagation risk. Bw’osisinkana omuliro ogw’olubeerera, ekipande kyennyini tekijja kwokya, tekijja kukola matondo agookya oba ebitundutundu ebisaanuuse ebikuma omuliro mu bintu ebibyetoolodde. Ekyokubiri, omulimu gw’omukka omutono & ogw’obutwa obutono. Wansi w’embeera z’omuliro, kifulumya kitono nnyo omukka ogw’obulabe n’ebintu ebiwunya eby’obutwa, ne kitereka obudde obusingako obw’obukuumi obw’okusengulwa eri abakozi abali mu kifo. Ekyokusatu, obutebenkevu bw’enzimba ey’ebbugumu eringi obutebenkevu. Okwawukana ku bipande ebisinziira ku gypsum ebijja okufuumuuka n’okugwa oluvannyuma lw’okufumba omuliro okumala ebbanga eddene, omusingi gwa fiber‐cement ogutali gwa kiramu gukuuma amaanyi g’enzimba agasookerwako wansi w’ebbugumu, okuyimirizaawo obulungi bwa partition‐wall integrity for fire‐isolation purpose.

Olususu olw’ebweru olw’ekyuma ekifumbiddwa mu bbugumu lyongera okujjuliza omulimu gw’ebintu ebya A1‐grade. Ekipande ky’ekyuma ekikoleddwa mu galvanized kikola ng’ekiziyiza eky’ebbugumu‐engabo eky’omubiri, ekikendeeza ku kutambuza emisinde gy’ebbugumu okutuuka ku ludda olw’emabega olw’ekisenge ekigabanya. Mu kiseera kino, etuwa okuziyiza okukuba okw’ebyuma nga pure A1‐class inorganic boards tezirina. Ebipande bya seminti wa fiber‐cement biba bimenyamenya era bitera okwatika wansi w’okutomeragana kw’ebyuma; steel‐clad composite panel eziyiza okukosebwa buli lunaku mu workshops z’amakolero awatali kumenya, okukuuma A1 non‐combustible property yaayo nga bweri mu service ey’ekiseera ekiwanvu.

Kikulu okumanya nti A1 non‐combustible fire rating is a material‐level testing result for the whole composite panel, so si ku musingi gwa seminti gwokka. Abamu ku bagaba ebintu bawa lipoota z’okugezesa zokka ez’ekintu ekimu eky’omusingi gwa fiber‐cement, nga tebafaayo ku nkyukakyuka mu nkola oluvannyuma lw’okugatta n’ekyuma ekiyitibwa veneer. Lipoota ng’ezo ez’ekitundu teziyinza kuwagira kukkirizibwa kwa pulojekiti mu nsi entuufu. Ebipande byaffe ebiwedde ebikoleddwa bimaliriza okugezesebwa okw’obukuumi bw’omuliro okw’ekibiina eky’okusatu mu kipande ekijjuvu, era bifuna ebiwandiiko ebitongole ebikakasa A1 ekipimo ky’omuliro ogutayinza kwokya ku kintu ekiwedde ekiwedde eky’ekyuma‐seminti ekijjuvu.

Enkola eza bulijjo ez’okukozesa ku bipande ebirina ekipimo ky’omuliro ekitali kya kwokya zibikka ebisenge eby’okugabanya omuliro eby’enjawulo ku kabina ezitereka amaanyi ga bbaatule, ebisenge ebyawula omuliro munda mu makolero g’eddagala eddungi, ebisenge ebigabanyaamu ebifo ebitereka ebintu eby’obulabe, okwawula obukuumi bw’omuliro ku emisomo gy’okulongoosa obuwunga, n’okugabanyamu omuliro ogugerekeddwa ku pulojekiti z’okuddaabiriza ppaaka z’amakolero. Ku bakola dizayini y’okukuuma omuliro n’abawi b’amagezi ku yinginiya, okulonda A1 non‐combustible composite steel panels kiyamba okumatiza ebyetaago bya koodi ku passive fire‐protection, era era kitwala obulabe obuyinza okuva mu kubwatuka mu nkola ku bifo eby’obulabe obw’amaanyi. Mu bubenje bw’omuliro obw’amazima, ebipande ng’ebyo biziyiza okusaasaana kw’omuliro, bikendeeza ku bulabe bw’omukka, era biwa omusingo ogwesigika ogw’obukuumi obutakola eri abakozi n’ebyuma eby’omuwendo ebifulumya munda mu bizimbe.

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