本研究非承重天花板防火試驗參考CNS 12514-9進行本研究設計之A、Ｂ、Ｃ三種工法之一小時防火性能測試，A與B工法皆為暗架天花板，A工法與B工法差別在於不同主副架種類與有無吊筋，C工法為明架天花板。
參考CNS 15038規範進行各種類明架天花板三種尺寸60cm×60cm、30cm×60cm與30cm×30cm之遮煙性能試驗，以本研究設計之木箱120cm×120cm×120cm做為試驗艙體，並以檢測遮煙門煙洩漏量之儀器安裝於木箱進風口進行測量，並記錄各種天花板尺寸之煙洩漏量，箱體外側具兩處進風口可分別量測兩種壓力方向，以了解起火居室與非起火居室5-50Pa壓力下各種類天花板之煙洩漏量。試體種類包含本研究設計明架C工法、玻璃纖維天花板、GBF纖維強化石膏板、石膏天花板、礦纖天花板、矽酸鈣天花板、發泡板與廁所PVC板。
經防火試驗A與B工法皆在25分鐘後，GBF纖維強化石膏板因剝落產生測點溫度陡升，超出阻熱試驗標準，但符合CNS 12514-1規範之遮焰性，C工法因主副架為曝火面為導熱材質，故溫度變化最為急遽，為三種工法中防火性能最差者。由遮煙試驗結果可得當火場壓力25Pa方向由下往上時單片60cm×60cm C工法天花板煙洩漏量4.8853(m3/h)其遮煙效果最佳，方向由上往下時單片60cm×60cm C工法天花板煙洩漏量1.43(m3/h)其遮煙效果亦最佳。

Refer to CNS 12514-9 for an-hour fire resistance test of non-loadbearing ceiling designed by A, B, and C methods. Both A and B methods are concealed sus-pended ceiling. A method and B method is that there are different types of frames. C method is T-Bar suspended ceiling.
This study refers to the CNS 15038 specification for the smoke leakage test of various types of T-Bar suspended ceiling that single size are 60cm×60cm, 30cm×60cm and 30cm×30cm. The wooden box of this study is designed to be 120 cm × 120 cm × 120 cm as a cabin. In order to test the smoke leakage of T-Bar suspended ceiling. And install the instrument at the air inlet of the wooden box with the instrument for detecting the smoke leakage. Record the value of smoke leakage of various ceiling sizes. There are two inlets on the outside of the box to measure two pressure directions respectively, in order to understand the various types of ceilings under the pressure of 5-50Pa in the fire and non-fire rooms. The types of ceiling smoke leakage test included method C, fiberglass boards, firestop plasterboards, plasterboards, mineral fiber boards, calcium sili-cate boards, PVC foam boards, PVC boards.
After 25 minutes, temperature of method A and B’s measuring points had a sharp rise due to firestop plasterboards spalling. Method A and B couldn’t pass the heat resistance test. But according to CNS 12514-9 method A and B could pass the flame retardancy test. Due to exposing and heat-conducting frames, the temperature of method C’s measuring point is the most urgent, and the fire re-sistance is the worst among the three methods. Experimental results show that when the fire pressure is 25Pa from bottom to top, and the single piece of 60cm×60cm smoke leakage of C method is 4.8853 (m3/h). The smoke shielding effect is the best. When the 25Pa pressure is from top to bottom , and the single piece of 60cm×60cm smoke leakage of method C is 1.43 (m3/h). Also the C method’s shielding effect is the best.

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