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中文摘要：
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。
英文摘要：
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.
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