山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2014年
29期
56-57,58
,共3页
有限元分析%偏心受压%ISO-834升温曲线%耐火极限
有限元分析%偏心受壓%ISO-834升溫麯線%耐火極限
유한원분석%편심수압%ISO-834승온곡선%내화겁한
finite element analysis%eccentric compression%ISO-834 temperature rising curve%fire resistance
针对在高温环境下对T形钢管混凝土芯柱的耐火极限进行研究，利用有限元分析软件建立T形钢管混凝土芯柱的数值计算模型，探讨了T形钢管混凝土芯柱不同的偏心率对其耐火极限的影响规律，有限元数值计算结果表明：钢管混凝土芯柱具有良好的耐火抗火性能，而偏心率对耐火极限影响较大，偏心率越小，其耐火极限越高。
針對在高溫環境下對T形鋼管混凝土芯柱的耐火極限進行研究，利用有限元分析軟件建立T形鋼管混凝土芯柱的數值計算模型，探討瞭T形鋼管混凝土芯柱不同的偏心率對其耐火極限的影響規律，有限元數值計算結果錶明：鋼管混凝土芯柱具有良好的耐火抗火性能，而偏心率對耐火極限影響較大，偏心率越小，其耐火極限越高。
침대재고온배경하대T형강관혼응토심주적내화겁한진행연구，이용유한원분석연건건립T형강관혼응토심주적수치계산모형，탐토료T형강관혼응토심주불동적편심솔대기내화겁한적영향규률，유한원수치계산결과표명：강관혼응토심주구유량호적내화항화성능，이편심솔대내화겁한영향교대，편심솔월소，기내화겁한월고。
According to the research on the fire resistance of T-shaped steel tube core under high temperature, the paper adopts the finite ele-ment software to establish the numeric calculation model of T-shaped steel tube core, explores the influential law of the different eccentricities on their fire-resistance of the T-shaped steel tube core, and proves by the calculation result of the finite element calculation that the steel tube con-crete tube core has better fire resistance and its fire resistance limitations are higher with larger influence of the eccentricities on fire resistance limitation and smaller eccentricities.
