最后介绍了矩形钢管混凝土施工中的重要问题。
At last, the important problems in the construction of concrete-filled rectangular steel tube were introduced.
试验充分证明了混凝土密实度对矩形钢管混凝土短柱的重要性。
The tests show the importance of good concrete compaction for concrete-filled steel RHS stub columns.
简要介绍了关于火灾下矩形钢管混凝土柱力学性能的研究成果。
The achievements of our research groups on the behaviors of concrete-filled steel rectangular tube columns under fire conditions are introduced.
本文的研究成果可为有关矩形钢管混凝土工程进行抗火设计时提供参考。
The achievements in this paper may be referenced for the fire protection design of practical engineering with concrete filled steel rectangular hollow section columns.
本文对矩形钢管混凝土轴压柱钢管壁的局部屈曲性能进行了理论分析研究。
In this paper, a theoretical study for the local buckling of the concrete filled rectangular steel tube subjected to axis force is presented.
近年来国内外工程中已较为广泛地应用了实心圆形及方矩形钢管混凝土结构。
In the past few years, solid concrete-filled steel tube has been widely used in engineering fields.
工程实践表明，矩形钢管混凝土结构承载力高、抗震性能好，可显著减小柱断面，与钢框架梁连接方便。
The engineering practice shows that the using of concrete-filled rectangular steel tube members reduces the size of the columns, and it is a convenient way to connect steel beams and columns.
例如，采用椭圆形钢管混凝土桥墩，相比圆钢管混凝土和矩形钢管混凝土，可以很有效地折减水流对桥墩的冲击作用。
For example, the piers using elliptical concrete filled steel tube (CFST), can more effectively reduce the impact acting on the piers, compared with piers using circular or rectangular CFST.
在数值计算和参数分析的基础上，提出矩形钢管混凝土压弯构件荷载—位移恢复力模型，延性系数和耗能比的简化计算方法及相关计算公式。
P- restoring force model, simplified calculation methods of ductility coefficient and energy dissipation are given on the basis of integral calculation and parameter analyze for CFRST.
在数值计算和参数分析的基础上，提出矩形钢管混凝土压弯构件荷载—位移恢复力模型，延性系数和耗能比的简化计算方法及相关计算公式。
P- restoring force model, simplified calculation methods of ductility coefficient and energy dissipation are given on the basis of integral calculation and parameter analyze for CFRST.
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