本文依實際試體尺寸進行鋼結構梁柱接頭高溫受熱反應，以有限元素數值模擬模式來分析其高溫受熱中的行為，並選用ANSYS為數值模擬工具；材料組成率方面選用國外歐洲規範EUROCODE3以及國內生產鋼材高溫受熱下之材料性質，以作為數值模擬分析之用，進而透過程式分析比較國內外鋼材的差異性和建立一套有關國內鋼結構梁柱接頭之高溫受熱行為，並且藉由國內鋼結構梁柱接頭高溫試驗驗證本文分析模式之可行性。
本文主要敘述鋼材高溫材料行為、應用不同應力應變曲線數值模擬分析與驗證以及兩種鋼結構梁柱高溫試驗之模擬，包含有定載加溫試驗與定溫加載試驗，主要以了解鋼結構接頭在高溫中其力學特性之影響，以供後續研究整體鋼結構高溫受熱行為之模擬分析使用。

According to the test of the full-scale joints of the steel beam-column in fire environment, the composed beam-column frame is analyzed by the general purpose finite element software ANSYS. The material properties of steel in high temperature proposed by EUROCODE3 was use in this study. The numerical modeling of steel beam-column joints in fire environment has been proven by simulating the ABRI fire experiment. This thesis used different stress-strain curve in high temperature environment, and compared the result of analysis with experiment.

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