有鑑於火場產生的煙流對逃生人員生命所造成的威脅，本研究以探討建築鋼製門常溫與中溫的遮煙性能為目的，透過不同型式的門縫填塞改善方法，在不破壞門組件及不妨礙門扇正常開閉的情況下，有效提昇建築鋼製門的遮煙性能。
本研究發現如下：
一、建築鋼製門遮煙性能未改善前，當壓力室內的壓差為8Pa時，洩露量已達
132.48（m3/h．m2），遠超過CNS 15038規定之12（m3/h．m2）洩漏量基準。
二、TYPE-A改善後之常溫洩漏量於壓差20Pa時為15.12（m3/h．m2），改善後中
溫洩漏量於壓差20Pa時為14.51（m3/h．m2）。
三、TYPE-B改善後之常溫洩漏量於壓差20Pa時為14.81（m3/h．m2），改善後中
溫洩漏量於壓差20Pa時為13.62（m3/h．m2）。
四、TYPE-C改善後之常溫洩漏量於壓差20Pa時為7.54（m3/h．m2），改善後中
溫洩漏量於壓差20Pa時為5.85（m3/h．m2）。
五、下方門縫開口面積佔門總洩漏面積之62%，因此只要降低下方門縫的高度，即可大幅改
善建築鋼製門整體之遮煙性能。
六、溫度升高，建築鋼製門之洩漏量則降低，因空氣加熱產生熱膨脹，空氣密度減少，門
體本身受熱膨脹使原本之門縫間隙產生縮小現象，阻擋空氣洩漏的路徑，所以中溫時
的洩漏量會比常溫時的洩漏量小。

Because the threat caused of personnel's life to fleeing for one's life has flowed in the cigarette emerging in the scene of a fire, this research regards probing into the building the purpose with smoke control performance of the normal atmospheric temperature of the door and middle temperature as, clog the method of improving through the crack of different modelling , in a situation that do not destroy the package of the door and hinder the door leaf from opening and closing normally, improve smoke control performance of the steel door of the building effectively.
The result of study：
1.The steel door of the building smoke control performance before improving,
whenthe difference of pressing in the pressure room is 8Pa, the leakage
amount reaches132.48（m3/h．m2）, does not accord with 12（m3/h．m2）leakage
of CNS 15038regulation.
2.The leakage amount of normal atmospheric temperature after TYPE-A is
improved is 15.12（m3/h．m2） while pressing difference 20Pa, after improving
the middle temperature leakage amount is 14.51（m3/h．m2） while pressing in
difference 20Pa.
3.The leakage amount of normal atmospheric temperature after TYPE-B is
improved is 14.81（m3/h．m2） while pressing difference 20Pa, after improving
the middle temperature leakage amount is 13.62（m3/h．m2） while pressing in
difference 20Pa.
4.The leakage amount of normal atmospheric temperature after TYPE-C is
improved is 7.54（m3/h．m2） while pressing difference 20Pa, after improving
the middle temperature leakage amount is 5.85（m3/h．m2） while pressing in
difference 20Pa.
5.Below the door because it is total 62% of area not coherent, so reduce by
height of below the door only, can improve the door whole hiding smoke
control performance for building by a wide margin.
6.Temperature rises, the leakage amount of the steel door of the building is
reduced,because the air heats produces thermal expansion, the air density
reduces, the door body itself is heated to expand to make the original
interval produce the phenomenon of dwindling, the route that prevents the
air from leaking, so even use the same improvement method , person who leak
when the middle temperature can than little leaking amount having at the
time of the normal atmospheric temperature.

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