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本文简述个人对我国所进行的大量钢管混凝土柱研究成果和所建议的计算方法的学习体会,包括对短柱轴心受压和偏心受压以及长柱的计算,特别是对轴心受压计算进行了分析比较。试图对其受力特点进行解释,并提出一些个人初步意见。本中用f表示强度,σ表示应力,p表示管内侧向压力,符号下角码s、c分别表示钢管和核心混凝土,u表示极限,z及θ分别表示纵向和环向;上角码t表示试验值。
This article briefly describes the personal learning experience of a large number of concrete-filled steel tubular columns in China and the proposed calculation methods. It includes the calculation of axial compression and eccentric compression of short columns and the calculation of long columns, especially for axial compression. Calculations were analyzed and compared. Try to explain the characteristics of their forces, and put forward some personal preliminary opinions. In the text, f is the intensity, σ is the stress, p is the inside pressure of the pipe, the codes s, c are the steel pipe and the core concrete, u is the limit, z and θ are the longitudinal and circumferential directions, respectively; Test value.