通过对一四层公寓楼的湿陷性下沉加固并增至六层,经计算和长期沉降观测表明,采用人工挖孔灌注桩具有施工灵活方便、地基加固周期短的优点,且能使建筑物各部位沉降基本同步,不仅保证了建筑物的安全,同时有良好的经济效益。%By reinforcement for settlement-by-soaking settling from four-storey increase to six-storey of a apartment building.Through count and long-term settlement observation make known： have construction nimble,cycle short of foundation reinforcement,moreover can basic synchronisation settlement in each position of building.Not only one pledge to safety of building,but also have good economic benefit at the same time of adopt cast-in-place pile for manual hole-excavation.
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