基于雙層玻璃幕墻節(jié)能設(shè)計(jì)
基于雙層玻璃幕墻節(jié)能設(shè)計(jì)
[摘要]建筑幕墻作為建筑的外圍護(hù)結(jié)構(gòu)，其熱工性能直接影響建筑能耗。現(xiàn)在廣泛使用的單層玻璃幕墻，雖然逐漸采用熱反射鍍膜玻璃、中空玻璃、斷熱型材等其它節(jié)能材料，在熱工性能方面比過去的門窗有所改善，但仍然存在能耗較大的問題。最近幾年發(fā)展的雙層玻璃幕墻以其科學(xué)的結(jié)構(gòu)、完善的功能、先進(jìn)的設(shè)計(jì)理念，充分利用太陽能、自然通風(fēng)換氣，降低空調(diào)能耗，減少風(fēng)及惡劣氣候的影響，營造舒適溫馨的生活和工作環(huán)境等優(yōu)點(diǎn)，越來越受到建筑師和投資者的青睞。
[關(guān)鍵詞]雙層玻璃幕墻；通風(fēng)；結(jié)構(gòu)設(shè)計(jì)
[abstract] Architecture curtain wall as the outside of the building the structure, its thermal performance directly influence the building energy consumption. Now the extensive use of single glass curtain wall, although the gradually hot reflex coated glass, hollow glass, break hot profiles other energy-saving materials, in the thermal performance aspects of the doors and Windows of than in the past has been improved, but still exists the problem of large energy consumption. In recent years the development of double deck glass curtain wall with the scientific structure, perfect function, advanced design concept, make full use of solar energy, natural and ventilated take a breath, reduce the energy consumption of the air conditioning, reduce the wind and bad the influence of climate, and create a comfortable warmth in life and working environment and other advantages, more and more get the favour of architects and investors.
[Keywords] Double deck glass curtain wall; Ventilation; Structure design
1 引言
雙層玻璃幕墻，又稱為熱通道幕墻、氣循環(huán)幕墻、呼吸幕墻、生態(tài)幕墻、綠色幕墻或者主動(dòng)式幕墻等（以下簡稱DSF），它由兩層玻璃幕墻加上二者之間的熱通道組成，在通道的上下兩端設(shè)有風(fēng)口，通道的高度可以是一個(gè)或者多個(gè)層高。20 世紀(jì)90 年代，雙層玻璃幕墻已在歐洲多個(gè)國家得以廣泛應(yīng)用，它對提高玻璃幕墻的保溫、隔熱、隔聲功能有很大的作用。當(dāng)前，節(jié)能和環(huán)保已經(jīng)成為世界的兩大主題，社會(huì)對建筑節(jié)能的意識(shí)也在逐漸增強(qiáng)，建筑圍護(hù)結(jié)構(gòu)作為建筑節(jié)能的主要部分，更是顯得尤為重要。為此，本文針對環(huán)保節(jié)能型的雙層玻璃幕墻展開相關(guān)的探討。
2 雙層玻璃幕墻構(gòu)造
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