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悬吊环式土-结构动态接触试验装置系统的研制及验证

, PP. 248-255

Keywords: 土-结构界面接触,动态力学性能,试验仪器

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Abstract:

为了更进一步研究土与结构相互作用中界面的动态接触特性,在DYS-200-1-05电动振动系统基础上研制了一种悬吊环式试验装置系统。该装置系统具有如下功能特点(1)可以分析加载频率、加载速率对土与结构接触特性的影响界面;(2)法向为常应力控制,切向可实现不同频率加载;(3)考虑了剪切外力作用过程中土体的剪切变形特性,故可以研究试验过程中土-结构系统破坏与土体自身变形破坏的关系。试验结果表明,本试验装置系统的性能可靠,为后面系统研究土-结构界面动态接触性能奠定了基础。

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