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介绍了多向水泥砂浆搅拌桩复合地基加固高铁路基软基的技术原理、设计、施工设备改造、施工工艺、质量控制、检测。新建贵广南广铁路广州枢纽工程路基软基加固工程,对水泥砂浆搅拌桩的设计参数和施工工艺进行了现场试验,取得了合理的施工方案和技术参数,总结了多向水泥砂浆桩在高铁地基加固中的试验研究与应用,供类似工程参考。
The technical principle, design, construction equipment modification, construction technology, quality control and inspection of the soft foundation of high-speed railway embankment reinforced with multi-directional cement mortar mixing composite foundation are introduced. The construction of the new Guangzhou-Guangzhou-Guangzhou-Guangzhou railway hub engineering soft ground reinforcement project, the cement mortar mixing pile design parameters and construction technology field trials and achieved a reasonable construction program and technical parameters, summarized the multi-directional cement mortar pile in the high-speed rail Experimental research and application of foundation reinforcement for reference to similar projects.