方钢管混凝土框架结构多应用于民用多、高层建筑工程中。
Square concrete filled steel tube (SCFT) frame has been widely used in civil multistoried buildings.
表明内（圆）钢管增强方钢管混凝土柱的耐火性能是明显的。
Results show that the fire resisting performance of the columns is efficient.
研究结果表明：方钢管混凝土结构的抗震性能优于混凝土结构。
And studies show that the CFRT structure has better seismic performance than the reinforced concrete structure.
用试验与数值计算方法研究了普通方钢管混凝土柱的轴压承载能力。
The enhancement of the axial bearing capacity of ordinary square concrete-filled steel tubes was investigated experimentally and numerically.
方钢管混凝土结构相对于钢筋混凝土结构或钢结构都有着其明显的优点。
Compared with steel structure and reinforced concrete structure, concrete filled rectangular steel tubular (CFRT) shares its advantage.
最后，依据试验结果，提出了方钢管混凝土框架结构的抗震加固设计建议。
At last, based on the test results, the proposal of how to strengthen the SCFT frame has been presented.
将方钢管混凝土柱与组合扁梁结合，构成一种新型、高效的住宅钢结构体系。
A new kind of composite structure system composing of CFT columns and composite slim-floor beams was put forward, which has much efficiency.
模型的建立对于方钢管混凝土结构的抗震设计及震害分析都具有重要的指导意义。
For CFRT structure the model is significant for seismic design and earthquake damage prediction.
并结合方钢管混凝土组合异形柱的推广应用，对梁柱节点和维护墙体作法进行了探讨。
For special-shaped column composed of concrete-filled square steel tubes, research is done by three methods: superposition theory, finite element analysis and axial compression experiment.
在每种不同的布索方式下，对预应力方钢管混凝土压弯构件的受力性能进行分析与研究。
The mechanics behavior of prestressed concrete-filled square steel tubular beam-column in four different cable wires are analyzed.
将一种带有芯钢管的不连通钢管混凝土节点用于方钢管混凝土结构，验证了这种节点的可行性。
The core steel tube applied to concrete filled square steel tubular structure and verify feasibility of this joint.
钢骨-方钢管混凝土柱是一种组合柱设计模式，采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。
Square steel tube column filled with steel-reinforced concrete is a new design model of steel-concrete composite columns.
钢骨-方钢管混凝土柱是一种组合柱设计模式，采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。
Tangent modulus theory was introduced to determine the stability capacity of this new type of composite columns subjected to axial load.
圆钢管混凝土界面抗剪粘结强度较方钢管混凝土的大，混凝土强度对圆钢管混凝土界面抗剪粘结强度的影响较小。
The shear bond strength of circular CFST is great than the square one, and is not considerably affected by the concrete strength.
根据变形协调原理，研究了钢管与混凝土轴压分配系数，并基于此提出了方钢管混凝土柱承载力计算的改进公式。
According to the deformation compatibility principle, distribution coefficient of axial force was discussed and the formula to compute the capacity of CFRT was developed.
为了研究方钢管混凝土柱内隔板式节点的抗弯受力性能，完成了3个方钢管混凝土柱内隔板式节点的低周反复荷载试验。
To investigate the flexural capacity of connections for concrete-filled steel square tubular columns with inner diaphragms, 3 specimens were tested under cyclic loading.
数值分析表明该节点用于方钢管混凝土柱与钢筋混凝土梁的节点，具有良好的性能且受力性能与在圆钢管混凝土结构中相似。
The numerical analyze results show that the core steel tube joint applied to concrete filled square steel tubular column and reinforced concrete beam have good mechanical property, and structure beh.
本文建立了方钢管混凝土框架结构的三维非线性有限元分析模型，用以研究方钢管混凝土框架在低周反复荷载作用下的抗震性能。
A 3-d nonlinear finite element model of concrete-filled rectangular tubular frame is proposed in the paper to research the seismic behavior of this type of structure under low-reversed cyclic loading.
圆管或方管内填充另一种工程材料构成的组合截面构件(如钢管混凝土)在工程结构中得到了广泛的应用。
Combined section columns which are made of a circular or a square tube filled with another material are used widely in engineering structures, such as concrete filled tube.
另一方面使核心混凝土在受荷初期就处于侧向受压的状态，弥补钢管对混凝土紧箍力出现太迟的缺陷。
And the steel tube provides lateral stress at initial period to make up the defect that constraining force comes up too late.
为研究方钢管约束高强混凝土短柱的轴压力学性能，进行了12个试件在循环轴压荷载作用下的试验研究。
To study the axial load behavior of square tube confined HSC short columns, 12 specimens was tested under cyclic axial compression.
以钢管的宽厚比、混凝土强度、钢管高宽比及试件有无纵筋为主要参数进行了20个方钢管约束钢筋高强混凝土轴压短柱的试验研究。
The ductility of the tested columns decrease with the increase of concrete strength and width-to-thickness ratio. (2) 20 square steel tubed RC columns were tested under static axial compression.
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.
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.
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