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大直径钻孔灌注桩(以下简称钻孔桩)是利用钻孔机械钻出桩孔,然后灌注混凝土而成。因它具有:单桩承载力高,造价低;施工无振动,无噪音污染、无挤土;能适应各种土层条件下施工等优点。因此在桥梁工程、水工工程、工民建工程中越来越被广泛地应用。
Large diameter bored pile (hereinafter referred to as bored pile) is the use of drilling machinery to drill holes, and then pouring concrete made. Because it has: single pile bearing capacity, low cost; construction without vibration, no noise pollution, no squeezing soil; can adapt to the construction of various soil conditions and other advantages. Therefore, bridge engineering, hydraulic engineering, civil engineering projects more and more widely used.