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现场灌注混凝土桩,是目前基础桩施工中一种有代表性的方法。这种方法振动小、噪音低、普及广,但在施工中会产生与桩体积相当的弃土。弃土的处理是个问题,这是因为近年来弃土场常离工地较远,处理费用大,运土中还会对附近居民产生干扰及阻塞交通。社会上强烈要求开发一种弃土少的桩基施工方法,这就是本文介绍的水泥土与钢管复合桩施工方法。
Cast-in-situ concrete piles on site are a representative method for foundation pile construction. This method is small in vibration, low in noise, and widely used, but it will produce spoil that is equivalent to the volume of the pile during construction. The disposal of spoil is a problem, because in recent years the spoil grounds are often far away from the construction site and the processing costs are high. In the earth movement, they will also cause disturbance to nearby residents and block traffic. There is a strong demand in society for the development of a method for the construction of pile foundations with less spoil. This is the construction method of cement-soil and steel pipe composite piles introduced in this paper.