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  • 學位論文

發泡水泥隔間板應用於複合式防火捲門之研究

A Study on Fire Resistance Test of Composite Rolling Shutters In-filled Foaming-Cement Plate

指導教授 : 林至聰

摘要


在建築設計中,許多大空間之防火區劃常利用防火捲門之可變式的機動性來作規劃,以滿足現行建築技術規則中對防火區劃之要求。目前國內市場上常見之建築防火捲門大多採用金屬材料搭配隔熱材(氧化鎂板、珍珠岩板、陶瓷棉、岩棉等)做設計,然而這些隔熱材大都屬於有機物質,受熱燃燒後易產生濃煙、惡臭,且某些材料長久下來會對金屬造成侵蝕作用而影響耐久性。本研究突破傳統思維,除了使用鍍鋅鋼板、防火膠條及防煙條等材料作為整體防火捲門的設計及組裝外,主要之隔熱材料採用無機之發泡水泥隔間板來取代一般常見之有機隔熱材。先組裝尺寸600mm×600mm之防火門片進行小型加熱爐耐火試驗,以相同材質但以不同厚度進行測試,獲得此複合材料之背溫變化之基礎資料,同時以火災動態模擬軟體FDS (Fire Dynamics Simulator)模擬複合式阻熱型防火鐵捲門於3000mm×3000mm尺寸時非受火面背溫變化分析,再與小型加熱爐試驗結果進行分析,以規劃3000mm×3000mm大型加熱爐耐火試驗之設計。 於大型加熱爐耐火試驗中,複合式鐵捲門試體之背面平均溫度雖未超過170℃,但在試體其中二處位置之溫度(包括移動式熱電偶所測者)超過210℃,未能符合現行建築用防火捲門耐火試驗法之標準,因此未達到1小時的遮焰性及阻熱性。本次研究之3000mm×3000mm尺寸複合式防火捲門之試驗結果,未能符合規範之要求,但僅有些許瑕疵,因此未來再進行改良設計時之防火時效測試數據資料須多加考量,並加強骨架設計強度,預期應能使其符合標準,達到防火區劃設計阻熱性之性能要求。

並列摘要


In the design of architecture, fireproof rolling shutter has been used hugely in fire compartment planning of various large spaces to meet existing building provision, due to its variable mobility. Currently, the fireproof rolling shutters in domestic market are mainly produced with metal combining with insulated materials (magnesium oxide board, perlite board, ceramic fiber, rock wool, etc.), however, most of the insulated materials are organic, and are easily to generate smoke and stench after being heated and burned, some of them can also cause erosion towards metal material and affect its durability. In addition to the usage of galvanized steel, fire tape and smoke bar for the design and assembling of the fireproof rolling shutters, this research breaks through traditional thoughts, utilizing inorganic foaming-cement plate as main insulated material to replace the commonly used organic insulated material. At first, 600mm × 600mm specimen of fireproof rolling shutter is assembled and processed fire test with small furnace; then testing with same material in different thickness fireproof rolling shutter to receive the basic data such as back temperature change of this composite material. At the same time, FDS (Fire Dynamics Simulator) plays the role of simulating and analyzing the back temperature change of 3000mm × 3000mm composite thermal-resistance fireproof rolling shutter; hereafter comparing with the result from small furnace in order to conducted fire test under large furnace. Though in the fire test under large furnace, the average temperature in the back of composite rolling shutter is lower than 170 °C, the temperature in two places of the specimen are more than 210 °C (including measurements from movable thermocouple), which did not meet the existing building provision. Therefore, it did not achieve the criterion of flame coverage and heat resistance. In this research, the fire test result of 3000mm x 3000mm composite fireproof rolling shutter failed to meet the requirements of the building provision, yet had only few flaws. Hence, to improve the design of fireproof rolling shutter in the future, the fire rating test data will need to be assessed, and also to reinforce the strength of the composed structure. Consequently, the requirement of heat resistance in fire compartment can be complied.

參考文獻


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