| 1. | Nonlinear finite element analysis of square concrete - filled steel tube columns under compressive load
方钢管混凝土轴压短柱的非线性有限元分析 |
| 2. | Research on bearing capacity of circular steel tube columns filled with steel - reinforced high - strength concrete
钢管高强混凝土组合柱承载力研究 |
| 3. | Finite element analysis of load bearing capacities of concrete - filled steel tube columns under axial load
钢管混凝土轴心受压构件极限承载力的有限元分析 |
| 4. | Experimental research on behaviors of pressure and bending loaded circular steel tube columns filled with steel - reinforced concrete
钢管混凝土组合柱压弯性能试验研究 |
| 5. | Rpc filled in steel tube columns was an ideal construction material and had abroad application prospect
钢管活性粉末混凝土是一种理想的结构材料，具有广阔的应用前景。 |
| 6. | The vertical stiffener connection is suitable for rectangular steel tube column that the sectional area is smaller and h - steel beam connections
摘要垂直加劲肋节点适于柱截面较小的方钢管（矩形管）柱和h型钢梁节点。 |
| 7. | The results of the study demonstrate that under the condition of the same slendness ratio , the stability factor of axially compressed medium long concrete filled steel tube column has no relation with peak stress of the core concrete , instead , the factor will depend on peak strain of the concrete
研究结果表明，在长细比相同的情况下，钢管混凝土轴压中长柱的稳定系数与核心混凝土的峰值应力无关，而取决于核心混凝土的峰值应变。 |
| 8. | The system is composed with concrete filled cold - formed square steel tube column , the beam with two cold formed c type steel welded together back to back , the slab with profiled - steel and concrete , the beam and the slab joined into composite steel - concrete beam . they all together make up of the bearing members . and the house also includes the light economical - energy sources heatproof walls
该体系是以冷弯薄壁方钢管混凝土为柱、冷弯薄壁c型钢背靠背高频焊接组成工字型梁、压型钢板上现浇筑混凝土组成组合楼板并与梁一起构成组合梁作为承重构件，以轻质节能保温型墙体作为围护结构组成。 |
| 9. | This paper conducts a study of the influence of core concrete performance upon the stability factor of axially compressed medium long concrete - filled steel tube column on the basis of comparison of the axial compression test results of long column made up of common concrete filled steel tube and medium long column made up of lightweight aggregate concrete - filled steel tube , and in accordance with analysis of the constitutive relation curves between both the common and lightweight aggregate concrete
摘要通过对钢管普通混凝土长柱和钢管轻集料混凝土中长柱的轴压试验结果的比较，结合对普通混凝土和轻集料混凝土的本构关系曲线的分析，研究了核心混凝土性能对钢管混凝土轴压中长柱稳定系数的影响。 |
| 10. | After the evaluation of the three parameters in the proposed creep model , which is based on the large numbers of experimental measurements of concrete creep , the influential regularities of concrete filled steel tube columns under long - term loading are investigated . by dispersing time , the method of tangent modulus is adopted to study the relation of creep strain and load time . in the end , this paper took cft specimens with representative geometry and sectional dimensions as examples and adopted the proposed method as an approach to investigate the influencing regularities of many factors , which include the ratio of long - term load to strength , the slenderness ratio , the eccentricity ratio , and the intensity grade of concrete , on cft structures
在对钢管混凝土构件长期荷载效应的分析中，本文基于三维粘弹性理论，采用三参数粘弹性模型，提出了核心混凝土徐变的三维有限元分析理论，在总结过去大量关于混凝土徐变试验实测结果的基础上拟合了模型中的三个参数，并成功将其应用于钢管混凝土徐变的三维分析计算中，得到徐变与持荷时间的关系，以典型截面形式的圆钢管混凝土轴压、偏压构件为例，对轴压比、长细比、含钢率、偏心率以及核心混凝土等级分别进行了大量的参数分析和实验对比研究，结果表明二者符合较好。 |
