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冲击碾压法是一种比较新的浅层地基或填土加固技术。与传统静碾压路机和振动压路机相比,非圆形冲击碾压设备可以对土体施加更大的能量,加固深度更大,并具有施工周期短,经济效益好的优点。在上海虹桥机场扩建中,采用冲击碾压法,并结合降水和垫层等措施加固扩建场地的浅层软粘性土地基,现场测试结果表明:冲击碾压法可以有效地改善地基土的工程地质特性,处理后的地基条件能够满足机场扩建的设计要求。
Impact rolling method is a relatively new shallow foundation or fill reinforcement technology. Compared with the traditional static roller and vibratory roller, non-circular impact crushing equipment can exert more energy on the soil, with greater depth of reinforcement, and has the advantages of short construction period and good economic benefits. In Shanghai Hongqiao Airport expansion, the impact of rolling method, combined with precipitation and cushion and other measures to reinforce the expansion of the site of shallow soft clay soil test results show that: Impact Rolling method can effectively improve the foundation soil engineering geology Characteristics, foundation conditions after treatment to meet the design requirements of the airport expansion.