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介绍了多轴压气旋喷式水泥土搅拌桩施工新技术的工艺特点、技术原理、施工工艺流程及操作要点。该新技术具有成桩深度大喷浆量均匀充足成桩质量好、设备轻便移动灵活、可单双三轴组合适用性强、施工效率高等优点,其关键技术在于桩机的特殊工艺构造和压气旋喷工艺参数的控制。
The technological features, technical principles, construction process and operating points of the new technology for construction of multi-axial pneumatic rotary grouting pile are introduced. The new technology has the advantages of large pile depth, uniform and sufficient shot amount, good pile quality, light and flexible equipment, strong applicability of single-twin triaxial combination and high construction efficiency. The key technology lies in the special process structure and pressure of pile driver Control of cyclone spray process parameters.