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文章从力学及路用性能的角度出发,进行SEU-2型固化剂和其他材料加固粉质土路基的现场试验研究,以确定加固粉质土路基的合理方案及较佳的外加剂掺量,并对其稳定规律进行分析。研究结果表明,掺加SEU-2型固化剂可明显增加粉质土路基的无侧限抗压强度和回弹模量,提高路基的整体刚度。从满足路基的力学和路用性能以及经济比较来看,方案1(掺加4%SEU-2型固化剂)能满足路基的各项技术指标要求,可为工程实际所采用。
In this paper, from the perspective of mechanics and road performance, the field tests of SEU-2-type curing agent and other materials for strengthening silty soil subgrade are carried out to determine the reasonable scheme and better dosage of admixture for silty soil subgrade, And analyze its stability rules. The results show that the addition of SEU-2 curing agent can obviously increase the unconfined compressive strength and rebound modulus of silty soil subgrade and improve the overall stiffness of subgrade. From meeting mechanics and road performance of subgrade and economic comparison, Option 1 (4% SEU-2 curing agent) can meet the technical requirements of subgrade and can be used in engineering practice.