發(fā)布時間：2018-04-27 05:18

  本文選題：型鋼混凝土 + 異形柱��； 參考：《鋼結(jié)構(gòu)》2017年11期

【摘要】：應(yīng)用有限元軟件ABAQUS建立型鋼混凝土柱數(shù)值模型,研究4種典型受火方式下SRC異形柱的耐火性能,探討各因素對SRC異形柱耐火極限的影響。結(jié)果表明:矩形柱耐火性能優(yōu)于異形柱;對于任意截面的SRC柱,耐火極限均隨荷載比的增大而減小,且矩形和L形SRC柱在高荷載比時下降更多;荷載比較小時L形柱的耐火性能優(yōu)于T形柱,荷載比較大時T形柱的耐火性能優(yōu)于L形柱;實腹式配鋼SRC柱的耐火性能優(yōu)于空腹式。研究結(jié)果可為SRC異形柱的抗火設(shè)計提供依據(jù)和參考。
[Abstract]:The numerical model of steel reinforced concrete columns was established by using finite element software ABAQUS. The fire resistance of SRC special-shaped columns under four typical fire modes was studied and the influence of various factors on the fire resistance limit of SRC special-shaped columns was discussed. The results show that the fire resistance of rectangular columns is better than that of special-shaped columns, and for SRC columns with arbitrary section, the fire resistance limit decreases with the increase of load ratio, and the rectangular and L-shaped SRC columns decrease more when the load ratio is high. The fire-resistance of L-shaped column is better than that of T-shaped column when the load is small, the fire-resistance of T-shaped column is better than that of L-shaped column when the load is high, and the fire-resistance of solid web SRC column is better than that of fasting type. The results can provide the basis and reference for the fire resistance design of SRC special-shaped columns.
【作者單位】： 西安建筑科技大學(xué)土木工程學(xué)院;
【基金】：國家自然科學(xué)基金項目(51108371) 陜西省自然科學(xué)基礎(chǔ)研究基金項目(2015JM5164) 陜西省教育廳重點實驗室科研計劃項目(16JS050)
【分類號】：TU352.5;TU398.9

【相似文獻(xiàn)】

相關(guān)期刊論文 前10條

1 曲恒緒;型鋼混凝土結(jié)構(gòu)計算方法的比較[J];安徽建筑;2003年06期

2 朱s，

本文編號：1809355