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框架节点在水平地震荷载作用下受力形式复杂,常处在极端不利状态下工作。当前建筑结构趋于大跨、高层发展,传统混凝土节点难以满足当下结构发展趋势,近年来,土木工程材料方面的研究突破不断,推动着框架节点的发展。研究表明,高强混凝土、超高性能混凝土材料具有高强和高韧性的特点,应用于结构中可以有效减小节点构件截面尺寸、大幅降低建筑结构的自重,并极大提高框架节点的综合抗震性能。综述了关于混凝土框架梁柱节点抗震方面的试验研究工作,为高性能和超高性能混凝土框架节点未来发展提供了方向。
Abstract:Frame joints are subjected to complex forces under horizontal seismic loads and often work in extremely unfavorable conditions.Moreover, the current building structure tends to develop large-span and high-rise buildings.Traditional concrete joints can no longer meet the current structural development trend.With the continuous progress of research work in building materials, in recent years, concrete frame joints have made great developments, and research work on high-strength concrete and ultra-high-performance concrete frame joints has been extensively carried out.Studies have shown that high-strength concrete and ultra-high-performance concrete can effectively reduce the cross-sectional size of joint members and reduce the amount of joint reinforcement on the one hand; on the other hand, it greatly improves the comprehensive seismic performance of joint members.This article summarizes the experimental research work on the seismic resistance of concrete frame beam-column joints, and provides a foundation for the application of high-performance and ultra-high-performance concrete engineering structures.
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基本信息:
DOI:10.19782/j.cnki.1674-0610.2022.06.005
中图分类号:TU352.11;TU37
引用信息:
[1]张祥,苏捷.混凝土框架梁柱节点抗震试验研究进展[J].公路工程,2022,47(06):33-41.DOI:10.19782/j.cnki.1674-0610.2022.06.005.
基金信息:
国家自然科学基金项目(51408213); 国家重点研发计划项目(2018YFC0705400); 湖南省自然科学基金项目(2018JJ2042)
2021-03-18
2021
2021-03-23
2021-04-03
2021
1
2021-11-04
2021-11-04
2021-11-04