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长螺旋钻孔超流态灌注桩施工工艺是由长螺旋钻孔机、混凝土泵送系统组成的施工体系,目前已广泛应用于地基处理工程施工中。长螺旋钻孔超流态灌注成桩工艺具有低噪音、无泥浆污染、无振动、机械化程度高、成孔穿透能力强、施工效率高等优点。本文结合工程实例,从钻孔、混凝土泵送、成桩等方面介绍了长螺旋钻孔超流态灌注桩施工工艺各个环节的监理控制措施。
The construction technology of the long auger bored superfluid bored pile is a construction system composed of a long auger drilling machine and a concrete pumping system and has been widely used in the construction of foundation treatment. Long auger drilling superfluous liquid injection pile process has the advantages of low noise, no mud pollution, no vibration, high degree of mechanization, penetrating ability into holes, high construction efficiency. Based on the engineering examples, this paper introduces the supervision and control measures in all aspects of the construction process of the long auger bored superfluous bored pile from the aspects of drilling, concrete pumping and pile forming.