Saxan bir galvanized ah oo gariirad leh 28 cabir galvanized xaashida saqafka birta
sharaxaad
Galvanized sheet bir ah waxaa loola jeedaa substrate bir ah in galvanized labada dhinac ee xaashi bir qabow duubi jiray, kaas oo si toos ah laga samayn karaa baaldiyada ranjiga ama weel kale oo bir ah, iyo sidoo kale loo isticmaali karaa suufka.Xaashida galvanized waxaa lagu dahaadhay rinji midab leh si ay u noqoto xaashida zinc midabka leh.Qurxinta derbiga guud ahaan waxay isticmaashaa xaashida birta galvanized ee ka sarreysa 183g/m2, halka qurxinta saqafka guud ahaan ay isticmaasho xaashi galvanized ah oo ka sarreysa 244g/m2.Intaa waxaa dheer, waxaa jira xaashi bir ah oo khafiif ah oo aan lahayn maro kale oo bir ah, cabbirkuna wuxuu la mid yahay kan birta daasadaha ah, iyo sifooyinka asaasiga ah ee sifooyinka birta ee birta birta ah.Soo saarista daabacaadda birta, xaashida noocan ahi waxay ku habboon tahay maydhyo kala duwan, dabool, qolofyada tarmuuska, iyo alaabada calaamaduhu ku daboolan yihiin rinjiga labada dhinac, sidoo kale waxaa badanaa loo isticmaalaa sidii substrate birta dahaarka leh.
Kala soocidda
Taarikada birta ah ee la isku qurxiyo ayaa guud ahaan loo kala saaraa siyaabo kala duwan iyadoo loo eegayo goobta codsiga, dhererka jiingada, qaabka dhabta ah iyo walxaha.
Hababka kala soocidda guud waa sida soo socota:
(1) Sida ku xusan qaybta codsiga, waxay u qaybsan tahay saqafka saqafka, darbiga derbiga, sagxada sagxadda iyo saqafka.Isticmaalka, saxan birta midabka ayaa sidoo kale loo isticmaalaa sida guddiga qurxinta derbiga, iyo saamaynta qurxinta naqshaduhu waa mid cusub oo gaar ah.
(2) Marka loo eego kala soocidda dhererka mawjada, waxa loo qaybiyaa saxan mawjad sare ah (dhererka hirarka ≥ 70mm), saxan dhexdhexaad ah iyo saxan mawjada hoose (dhererka hirarka<30mm)
(3) Kala-soocida agabka substrate-ka-kala-soocida-kuleelka galvanized substrate-ka-kulul, substrate aluminium-kuleelka galvanized, iyo substrate aluminium-kuleelka galvanized.
(4) Marka loo eego qaab dhismeedka tolitaanka guddiga, waxa uu u qaybsan yahay wadajirka dhabta ah, qaab-dhismeedka hoos-u-dhaca iyo xannibaadda.Waxaa ka mid ah, looxyada mawjadaha dhexdhexaadka ah iyo kuwa sare ee leh hoosta iyo curling waa in loo adeegsadaa sida saqafka saqafka leh shuruudaha sare ee biyuhu: dhexda dhexe iyo mawjada sare ee galvanized go'yaal ayaa loo isticmaalaa sida daboolka dabaqa;Looxyada mowjadaha hoose ee laalaabtay ayaa loo isticmaalaa sidii darbiyada darbiga.
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