【摘要】 针对水泥稳定碎石基层在湿度变化时易产生干缩裂缝的缺陷,进行了一次和二次循环干燥收缩试验,对水泥稳定碎石基层材料的干缩变形特性及影响因素进行了分析研究,为完善水泥稳定碎石基层材料的级配组成,改善其收缩性能,减少其干缩量奠定了基础.更多还原

【Abstract】 The paper deals with the problem of cracking of cement-stabilized macadam base course,coming forth easily under the condition of moisture changing in the south area of Suzhou.One and two cycles experiments of dry shrinkage were done.Dry shrinkage deformation properties of cement-stabilized macadam and influencing factors were analyzed.Test result offers foundation for improving the gradation composition of cement-stabilized macadam,improving its shrinkage properties.更多还原