施工技术 2013年11月上 78 CONSTRUCTION TECHNOLOGY 第42卷第21期 D01:10.7672/sgjs2013210078 强夯振动数值模拟与现场实测* 吴益萍，张天林2，王继成3 (1.浙江三门中诚建设有限公司，浙江三门317100；2.台州建浩工程管理有限公司，浙江台州318000； 3.台州职业技术学院建筑工程学院，浙江台州318000) [摘要]为了防止强夯振动对房屋的破坏和减少强夯造成的地下管线位移，在地下管线旁设置了减振沟，对减振沟 的不同形式进行了数值模拟，并进行了现场测试.研究发现强夯的振动、挤土效应不容忽视，减振沟能显著减轻振 动和挤土效应，减振沟越深，越靠近要保护的建筑物，减振效果越好；如果减振沟设在地下管线旁远离夯点的一侧， 地下管线位移较大，如果减振沟设在靠近夯点一侧，地下管线位移较小. [关键词]强夯；振动；挤土效应；减振沟；数值模拟 [中图分类号]TU441.8 [文献标识码]A [文章编号]1002-8498(2013)21-0078-03 Numerical Simulation and Field Measurement on Vibration of Dynamic Compaction Wu Yiping' Zhang Tianlin2 Wang Jicheng' (1.Sanmen Construction Company Sanmen Zhejiang 317100 China;2.Taizhou Jianhao Supervision Company Taizhou Zhejiang 318000 China;3.Department of Architecture and Civil Engineering. Taizhou Vocational and Technical College Taizhou Zhejiang 318000 China) Abstract:Damping ditch was dug beside underground pipeline so as to prevent buildings from damage and reduce underground pipeline displacement.Different damping ditches were simulated and field measurement was done.It was found that damping ditch could reduce vibration and underground pipeline displacement greatly.The deeper and nearer to the building the damping ditch is the better the damping effect is.The underground pipeline displacement is small when the damping ditch is between underground pipeline and tamping points otherwise the displacement is great. Key words:dynamic paction;vibration;soil-pacting effect;damping ditch;numerical simulation 0引言 粉质黏土...
强夯振动数值模拟与现场实测.pdf
