Experimental Study on Behavior of Steel Beam-RC Column Joint Under the Reversed Load 钢梁-钢筋混凝土柱节点在低周反复荷载作用下受力性能的试验研究
Analysis of load-displacement relationship for RC columns under reversed load considering accumulative damage 钢筋混凝土柱考虑损伤累积的反复荷载-位移关系分析
Constant amplitude reversed cyclic load tests were simulated with the aid of software MSC/ Fatigue. Fatigue life predictions can be made for this class of connection using relationships analogous to the well-known Manson-Coffin strain-life equation for metals. 本文使用MSC/Fatigue软件进行了常幅偏移下的性能分析,类似于著名的Manson-Coffin公式,建立了所研究节点的塑性转角和寿命的关系。
Base on the test of 10 reinforcement concrete columns in reference [ 1], the recovery-force behaviors of biaxial reversed cyclic load about monotonic load line, strength attenuation consumption performance and the parameters of damage model are determined in this paper. 根据文献[1]中10根钢筋混凝土柱试验的基础上,分析单调加载线、强度衰减等在双向循环荷载作用下的恢复力特性,并确定了双向累积损伤模型参数。
The device consists of T-type reactor reversed polarity with a small filter capacitor connected between the power supply and the load. 它采用带有小容量滤波电容器的T型电抗器反极性接入电源与负荷之间。
The experiment adopts CFRP to reinforce the end of beam-column joints, and studies the bearing capacity of 2 reinforced joints under dead load and the aseismic behaviour of 4 under low-cycle reversed load. 本文采用碳纤维布加固框架节点梁端的加固方式,研究了2个加固节点在静载作用下的受力性能和4个加固节点在低周反复荷载作用下的抗震性能。
The object of this study is to investigate the mechanical properties of reinforced concrete circular columns with circular spiral confining reinforcement by the experimental work, in which the columns were subjected to high intensity reversed cyclic lateral load and constant axial load. 本研究的主要目的在于调查采用了圆形螺旋箍筋的钢筋混凝土延性柱在大变形领域的多次重复加荷条件下的力学性能。
In this paper, seismic behavior experiment about twenty-one specimens of the steel beam-concrete filled steel tubular frame subjected to reversed cycle lateral load is introduced, and the parameters of experiment include the rate of steel, steel strength and concrete strength and so on. 本文具体介绍了21组钢梁-钢管混凝土框架结构在水平低周反复荷载作用下的抗震性能试验,实验参数包括含钢率、套箍率、钢材强度以及内填混凝土强度等。
The Experimental and Theory Research on Shearing of Beam in Steel-Reinforced Concrete Beam-Column Joint under Reversed Cyclic Load 中节点型钢混凝土梁低周反复荷载下抗剪试验及理论研究
Two test models of one-story and two-bay reinforced concrete frame retrofitted with above two methods separately are designed and conducted low-cyclic reversed load tests, their aseismic behaviors such as strength, stiffness, ductility and energy-dissipating capability are studied. 设计了两榀单层两跨钢筋混凝土框架结构试验模型,进行了水平低周反复荷载试验,重点探讨其强度、刚度、延性和耗能能力等抗震性能。
Analysis of bending resistance of steel plate-sticking reinforced frame beam under reversed low cyclic load 低周荷载作用下粘钢增强框架梁抗弯强度分析
Influence of High Temperature on Bond Strength of High-strength Concrete Subjected to Reversed Cyclic Load 高温对高强混凝土往复加载粘结性能的影响
Two unbonded prestressed concrete beam column joint assemblies ( one for interior joint and one for exterior joint) are tested under reversed cyclic lateral load. 进行了两个无粘结预应力混凝土梁柱节点试件(一个中节点、一个边节点)低周反复水平荷载试验研究。
Under the low-cyclic reversed load two joints with gap which have different ratio of reinforcement at the core of the pile are analysed. 对于有缝隙节点采用不同的桩芯配筋率进行低周反复加载比较,分析有缝隙节点的耗能特性。
To understand the seismic performance of autoclaved aerated concrete block masonry wall, 8 autoclaved aerated concrete block masonry walls were tested under low cycle reversed lateral load. 为了解蒸压加气混凝土承重砌块砌体墙的抗震性能,对8片蒸压加气混凝土砌块砌体墙试件进行了低周反复水平荷载作用下的试验研究。
Research on the reversed horizontal load experiments indicates that stirrup ratio is an important factor which affects the seismic behavior of steel reinforced high-strength concrete columns. 反复荷载作用下的试验研究表明:体积配箍率是影响型钢高强混凝土柱抗震性能的重要指标。
The feature of the new method is recycling the surplus power through the reversed thyristor, which reduced the impulse caused by power poured into load, without series connected diode in the power circle, which avoided extra losses. 其特点是不在主功率回路中串联二极管,减小了通态损耗,同时通过反向的晶闸管回收了电容中的多余能量,有效减轻了能量注入负载的问题。