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Injection renovations of cracked joints

机译:裂纹接头的注射翻新

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摘要

Structural behaviour and response peculiarities of the moment-resisting RC frame systems subjected to horizontal extreme action effects caused by wind velocity pressures or earthquake motions are discussed. Results of experimental trials on the fragments of cast-in-situ RC multi-storey buildings with load-carrying walls and girderless floors as frame systems are presented. The cracking process, hysteresis loops, energy dissipation and resistance of primary and repaired joints are analysed. An effect of injections of epoxy resin grouts on the joint resistance and deformations is under consideration.
机译:讨论了受风速压力或地震运动引起的水平极端作用效应的抗弯RC框架系统的结构特性和响应特性。给出了具有框架结构的承重墙和无梁地板的现浇钢筋混凝土多层建筑的片段的试验结果。分析了主接头和修复接头的开裂过程,磁滞回线,能量耗散以及阻力。正在考虑注入环氧树脂灌浆对接缝阻力和变形的影响。

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