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等能量等变形挤密碎石桩是用相同的夯击能量和相同的贯入度控制桩体质量,使处理深度范围内地基土上下均匀。由于施工设备采用高能量实现孔内夯击填料,对桩底和桩间土施以振动和挤密,使松散砂土颗粒重新排列,可提高砂土的承载力和压缩模量及消除砂土的液化可能性。本工法在沿海高速路基工程的成功应用开辟了砂土液化处理的新途径,与振冲碎石桩的相比,该技术工艺先进、地基处理效果好、经济效益明显。
Such as energy and other deformation of crushed stone piles with the same tamping energy and penetration of the same quality control of the pile so that the treatment of soil depth within the uniform range of soil. As the construction equipment used to achieve high-energy tamping filler hole, the pile at the end of the pile and the soil between the vibration and compaction, loose sand particles to rearrange, can increase the bearing capacity of sand and compressive modulus and the elimination of sand Liquefaction possibilities. This method has opened up a new way of sand liquefaction in the successful application of coastal high-speed roadbed engineering. Compared with vibro-replacement stone column, this technique has advanced technology, good foundation treatment effect and obvious economic benefits.