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基于Push-Over方法的纯钢框架弹塑性分析 被引量:4
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作者 王秀丽 陈祥勇 秦雪映 《甘肃科学学报》 2006年第3期101-105,共5页
应用Push-Over方法的2种荷载形式,对一个纯钢框架结构体系在地震作用下的弹塑性性能进行了分析.通过对其变形性能和塑性铰规律的研究,得到纯钢框架体系的抗震性能,还通过对其塑性铰发生位置和发生顺序规律的研究,得出纯钢框架结构的薄... 应用Push-Over方法的2种荷载形式,对一个纯钢框架结构体系在地震作用下的弹塑性性能进行了分析.通过对其变形性能和塑性铰规律的研究,得到纯钢框架体系的抗震性能,还通过对其塑性铰发生位置和发生顺序规律的研究,得出纯钢框架结构的薄弱层和最不利位置,为纯钢框架结构体系的优化设计提供了理论基础和前提条件,同时也有利于纯钢框架结构体系在抗震设防地区的推广. 展开更多
关键词 纯钢框架 PUSH-OVER 塑性铰 弹塑性
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空间钢构架混凝土梁纯扭性能的有限元模拟分析 被引量:2
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作者 张宇阳 唐兴荣 《苏州科技大学学报(工程技术版)》 2021年第3期50-56,共7页
为进一步研究空间钢构架混凝土梁的纯扭性能,在已有试验的基础上,以空间钢构架抗扭弦杆配钢特征值、空间钢构架抗扭腹杆配箍特征值以及空间钢构架的配筋强度比等为参数,进行了32根空间钢构架混凝土梁和一根普通钢筋混凝土梁,以及一根设... 为进一步研究空间钢构架混凝土梁的纯扭性能,在已有试验的基础上,以空间钢构架抗扭弦杆配钢特征值、空间钢构架抗扭腹杆配箍特征值以及空间钢构架的配筋强度比等为参数,进行了32根空间钢构架混凝土梁和一根普通钢筋混凝土梁,以及一根设置斜缀条的空间钢构架混凝土梁有限元模拟分析。研究结果表明,空间钢构架混凝土梁较普通钢筋混凝土梁具有较好的纯扭性能,其极限扭矩与空间钢构架抗扭弦杆配钢特征值、空间钢构架抗扭腹杆配箍特征值成正比,另外,增设斜缀条可大幅度提升空间钢构架混凝土梁的纯扭性能。在试验研究和有限元计算结果的基础上,建立空间钢构架混凝土梁抗扭承载能力计算公式,公式计算结果与试验值和模拟值吻合较好,为空间钢构架混凝土梁的工程应用提供技术支撑。 展开更多
关键词 空间钢构架 混凝土梁 纯扭性能 承载力计算公式 有限元分析
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A model study on affordable steel residential housing in China
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作者 Xin CHENG Xianzhong ZHAO +1 位作者 Yiyi CHEN Zhenyu LI 《Frontiers of Structural and Civil Engineering》 SCIE EI 2012年第3期288-296,共9页
The main research purpose of this paper is to acquire a series of designed concept of"affordable housing"in key geographical areas of East China through the development of innovative,economical,flexible,repr... The main research purpose of this paper is to acquire a series of designed concept of"affordable housing"in key geographical areas of East China through the development of innovative,economical,flexible,reproducible and affordable residential houses using intensive steel solutions.Toward this goal,both the residential housing conditions and the development of steel residential building in China are widely investigated.Affordable housing in China is then,based on the investigation,defined as green humanized multi-storey housing comprised of medium-small type dwellings whose construction cost is not much higher than that of traditional reinforced concrete buildings and the maintenance cost is low.Taking this definition as a guiding ideology,detailed architectural and structural design of a steel affordable housing model in terms of a collective housing form with repeatable living units has been carried out.Comparisons of project cost and energy consumption between the designed steel residential housing and the corresponding reinforced concrete building show that the former is not more expensive and consumes less energy than the latter. 展开更多
关键词 affordable housing ENERGY-SAVING duplex design pure steel frame economic evaluation
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