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通过桩顶和桩间土中预埋应力和应变传感元件和计算机模拟仿真技术,有限元计算方法,结合施工过程加载观测等手段,进行减沉复合疏桩及其桩间土受力和变形观测分析研究,探讨桩间土承担荷载的可能,对降低工程造价有一定的现实意义.,To execute the monitoring, analysis and research of reducing settlement composite sparse pile & the force undertaken by earthwork in between piles and its deformation via the means of pre-embedded the stress and strain sensor component on top of piles and in earthwork in between piles and computer analogue simulation technique, the finite element calculation method, in conjunction of way of add loading monitoring during construction period, to discuss the possibility of bearing load by earthwork in between piles, this has realistic significance for reducing project building cost.