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鋁板幕墻材料選擇要注意什么?

來源:http://www.fuzore.com  發布時間:2018-12-03 16:15:18  

建筑幕墻面層資料如鋁單板、鋁塑板、蜂窩板等,宜依據規劃運用年限確定。
Architectural curtain wall surface information such as aluminum veneer, aluminum-plastic board, honeycomb board, etc., should be determined according to the planning service life.
①運用年限在十年內時宜選用鋁塑板,原因是現在的鋁塑板良莠不齊,濫竽充數,加之考慮施工時需現場加工,表里外表的鋁箔只要0.5mm許多廠家的鋁塑板是選用輥涂工藝進行外表處理的,外表有必定的紋路,因而規劃人員在進行資料運用率優化時要留意不可將板面反正亂放,影響作用依照標準要求,鋁塑板的邊部需加強,可選用鋁方管或角鋁等固定,粘接膠宜選用中性硅酮結構膠當鋁塑板裝置部位在建筑物的防火區間或靠近該區時,應選用防火型鋁塑板當鋁塑板規劃尺度較大時,需進行加強肋的結構計算以確定肋的標準和分布距離固定鋁塑板和龍骨的耳板多選用角鋁,角鋁的長度不宜小于50mm,角鋁在龍骨一邊上宜開長孔,保證板面的熱脹冷縮。規劃人員還需留意不要在易破壞部位運用鋁塑板,否則需在背面做加固處理。
(1) Aluminum-plastic sheets should be selected within ten years because of the uneven quality and excessive filling of the existing aluminum-plastic sheets and the need for on-site processing when considering the construction. As long as the outer surface of the aluminum foil is 0.5mm, many manufacturers use roll coating technology to deal with the outer surface, and the appearance has certain lines, so the planners are in progress. When optimizing the utilization rate of data, we should pay attention not to put the board face in disorder. The influence effect should be strengthened according to the standard requirements. Aluminum square tube or angle aluminium should be used to fix the edge of the board. Neutral silicone structural adhesive should be used when the aluminum-plastic board device is located in or near the fire-proof zone of the building, and fire-proof type should be chosen. When the planning scale of aluminium-plastic sheet is large, it is necessary to calculate the structure of reinforcing ribs to determine the standard and distribution distance of ribs. The ear plates of fixed aluminium-plastic sheet and keel are mostly made of angular aluminium. The length of angular aluminium should not be less than 50 mm. The long holes of angular aluminium should be opened on the side of keel to ensure the thermal expansion and cold contraction of the board surface. Planners also need to be careful not to use aluminium-plastic sheets in vulnerable areas, otherwise they need to do reinforcement treatment on the back.
②運用年限在十年以上時宜選用鋁單板。鋁單板強度好,耐腐蝕性強,在工廠加工能保證質量。由于施工現場所要鋁單板是在工廠加工成制品,直接裝置即可,所以規劃人員在做鋁單板加工圖時需注明鋁單板的原料、厚度、固定耳板標準和加工尺度及分布距離、加工誤差要求、加強肋的標準和分布距離等。

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(2) Aluminum veneer should be selected when the service life is more than ten years. Aluminum veneer has good strength and corrosion resistance. It can guarantee quality in factory processing. Because the aluminium veneer needed in the construction site is processed into products in the factory and can be directly installed, the planners need to indicate the raw materials, thickness, standard of fixed ear plate and processing scale and distribution distance, processing error requirements, standard and distribution distance of strengthening rib when making the processing drawing of aluminium veneer.
需要留意的是耳板靠近龍骨一側的固定孔的加工尺度要考慮熱脹冷縮,一般在耳板上開長圓孔,固定螺釘時要盡量將螺釘固定在長圓孔的中部,這樣即方便裝置又可有伸縮性,一起要留意板四周的耳板要錯位固定,否則在裝置時可能“打架”鋁單板外表宜選用氟碳噴涂(氟碳樹脂的各項性能都較其他處理方法優勝),盡量避免選用輥涂方法(有的加工廠的輥涂產品有方向性,影響外觀作用)?,F在有許多建筑選用穿孔鋁單板以豐厚作用,如果穿孔鋁單板后邊沒有防水隔離層,那就可在實體墻外外表做防水層或作雙層幕墻或直接在穿孔鋁單板背面做防水隔離層,然后再規劃穿孔鋁單板。鋁單板的孔洞尺度必須大于板厚(工藝要求),孔距離及尺度要依據原料的強度要求(純鋁單板較合金鋁單板強度低),一起考慮加強肋的裝置,避免影響外視作用。合理的規劃是先做樣板,通過遠觀和近看確定孔尺度及距離。
It should be noted that the processing scale of the fixed holes near the keel side of the ear plate should consider thermal expansion and contraction. Generally, the round holes are opened on the ear plate. When fixing the screw, the screw should be fixed in the middle of the long round holes as far as possible, so that the device is convenient and flexible. Together, we should pay attention to the dislocation of the ear plate around the plate, otherwise, the device will be fixed in dislocation. When fighting, fluorocarbon spraying should be used for the appearance of aluminium veneer (the performance of fluorocarbon resin is better than other treatment methods), and roll coating method should be avoided as far as possible (roll coating products of some processing plants have directionality, which affects the appearance). Now many buildings choose perforated aluminium veneers to play a rich role. If there is no waterproof isolation layer behind perforated aluminium veneers, it can be used as waterproof layer outside the solid wall, double curtain wall or waterproof isolation layer directly on the back of perforated aluminium veneers, and then plan perforated aluminium veneers. The hole size of aluminum veneer must be larger than the thickness of the plate (process requirements). The hole distance and size should be based on the strength requirements of raw materials (pure aluminum veneer is lower than alloy aluminum veneer). The device of strengthening ribs should be considered together to avoid affecting the external effect. Reasonable planning is to make a model first, and determine the hole size and distance through the long-term and near-term view.
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