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T形、L形截面鋼筋砼雙向壓彎構(gòu)件正截面承載力的研究
陳云霞 劉超 趙艷靜 高云海
摘 要

      陳云霞   劉超   趙艷靜   高云海
    (天津大學(xué)土木工程系  300073)

[提要]  對(duì)11根T形、6根L形及2根矩形截面鋼筋砼雙向壓彎構(gòu)件進(jìn)行了試驗(yàn)研究,在此基礎(chǔ)上用電算程序進(jìn)行理論計(jì)算,結(jié)果與試驗(yàn)結(jié)果吻合較好。同時(shí)還根據(jù)大量電算分析揭示了T形、L形截面雙向壓彎構(gòu)件正截面承載力的變化規(guī)律。最后,編寫了用于配筋計(jì)算的電算程序,該程序亦適用于其它任意截面形狀壓彎構(gòu)件的正截面承載力計(jì)算。
[關(guān)鍵詞]  T形、L形截面  鋼筋砼 雙向壓彎構(gòu)件 正截面承載力

An experimental research on R.C. members of 11 T-shaped, 6 L-shaped and 2 rectangular section under axial compression and biaxial bending is achieved. On the basis of the experimental results, a computer program is compiled, and the theoretical calculation is conducted. The calculational result coincides with the experimental result well. Simultaneously, the variation regularity of bearing capacity of T, L-shaped columns, subjected to axial compression and biaxial bending is obtained. Finally, a computer program for the calculation of column reinforcement is compiled. It can also be used for the calculation of element bearing  capacity with arbitrary shaped cross-section subjected to axial compression and biaxial bending.
Keywords:  R.C.members;T and L-shaped section; axial compression; biaxial bending; bearing capacity

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