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(內(nèi)蒙古科技大學(xué)建筑與土木工程學(xué)院 包頭 014010)
【提要】 通過12根鋼骨高強(qiáng)混凝土柱的承載力試驗(yàn)，分析了長細(xì)比、軸壓比、配箍率及鋼骨形式對柱受力性能的影響，發(fā)現(xiàn)鋼骨高強(qiáng)混凝土柱的受力性能除對軸壓力系數(shù)、長細(xì)比敏感外，鋼骨形式也是一個(gè)重要的影響因素，對于鋼骨形式不同的鋼骨高強(qiáng)混凝土柱，可適當(dāng)調(diào)整其軸壓力系數(shù)限值。還從理論上分析了試件的穩(wěn)定承載力和軸壓力系數(shù)，結(jié)論與試驗(yàn)結(jié)果吻合較好，所得結(jié)果可用于指導(dǎo)工程實(shí)踐。
【關(guān)鍵詞】 鋼骨高強(qiáng)混凝土 柱 軸壓力系數(shù) 長細(xì)比
Study on Behaviors of Steel Reinforced Highstrength Concrete Columns/Li Bin,Li Yunyun
(The College of Architecture & Civil Engineering,Inner Mongolia University of Science & Technology,Baotou 014010,China)
Abstract:Through 12 specimens experimentation study of steel reinforced highstrength
concrete columns,it is analyzed the influence of slenderness ratio,axial compression ratio,stirrup ratio and steel form on the bearing capacity of columns.It is found that the bearing capacity of columns is influenced by not only axial compression ratio,slenderness ratio,but also steel form. So the axial compression ratio of steel reinforced highstrength concrete columns with different steel form can be adjusted. The specimens' stability bearing capacity and axial compression ratio in theory are analyzed and the conclusion is
 identical with the experimental results.
Keywords:steel reinforced highstrength concrete; column; axial compression ratio; slenderness ratio