摘要
在分析影响半刚性基层、底基层层底弯拉应力因素的基础上,应用正交试验方法分析了影响基层、底基层层底弯拉应力各因素的敏感性,并采用极差及方差分析法对各因素敏感性进行了评价。分析表明,影响基层底拉应力最大的因素是层间约束,而影响底基层底拉应力最大的因素是基层厚度,合适的基层厚度是获得最佳路用性能的保证。
Based on tivity was analyzed ferent analysis. factor to the st It ress the full analysis of the influence factor of the stress in b by the orthogonality analysis method. The factor sensi is indicated that the condition between the layers is th in base and the base thickness is the most important infl ase and subbase, the se tivity was e most im evaluated by po uence factor subbase.
出处
《交通科技》
2006年第4期38-40,74,共4页
Transportation Science & Technology
关键词
半刚性基层
应力分析
正交法
敏感性分析
semi-rigid base
stress analysis
orthogonal method
sensitivity analysis rtant infl to the str nsi dif uence ess in