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微黏结二灰稳定级配碎石混合料试验研究
Experimental Research on Microbond Lime-fly-ash Stablized Grading Macadam Mixture
【Author】 Sun Yaodong~1 Wang Long~2 (1.School of Civil Engineering HuaiHai Institute of Technology,Lianyungang Jiangsu 222005; 2.School of Transportation Science And Engineering Harbin Institute of Technology,Ha’ erbin Heilongjiang 150090)
【机构】 淮海工学院土木工程学院; 哈尔滨工业大学交通科学与工程学院;
【摘要】 通过考察不同级配类型的二灰稳定碎石混合料性能,分别采用压实性能、强度和塑性变形、渗透性能进行评价。研究表明,掺加二灰后级配碎石混合料的性能显著提高,特别是二灰的填充系数为0.9,预留12%的空隙率的性能最优。
【Abstract】 In combination with the inspection of the performance of lime-fly-ash stablized grading macadam mixtures with different gradings,the compaction performance,intensity, plastic deformation and Penetrability have been evaluated.The research shows that the performance of graded macadam mixture mixed with lime-fly-ash,especially for 0.9 of lime-flyash filling factor,with 12%of void volume,the performance can be optimized.
【Key words】 lime-fly-ash stablized macadam; filling factor; rebound modulus; plastic deformation; penetrability;
- 【会议录名称】 江苏省公路学会优秀论文集(2006-2008)
- 【会议时间】2009-10-01
- 【分类号】U414