通过工程实例,详细论述长螺旋钻引孔取土方案的选择、实施及引孔后管桩的施工效果,可为类似工程提供借鉴和参考。%Through practical case,selection and implementation scheme of taking soil drawing hole by long auger and construction result of tubular pile after drawing hole are discussed in detail,providing references for similar engineering.
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