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| 多级嵌挤密实级配设计方法研究 | |
| 引用本文： | 陈忠达,袁万杰,高春海. 多级嵌挤密实级配设计方法研究[J]. 中国公路学报, 2006, 19(1): 32-37 |
| 作者姓名： | 陈忠达 袁万杰 高春海 |
| 作者单位： | 1. 长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064 2. 长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064;广东虎门技术咨询有限公司,广东,广州,510630 3. 开封市公路管理局,河南,开封,475000 |
| 摘 要： | 以逐级填充理论和粒子干涉理论为设计依据,以贝雷法为设计和检验标准,提出了由集料主、次骨架结构形成的多级嵌挤密实级配(MDBG)的设计体系,包括粗集料级配设计、细集料级配设计、合成级配设计及贝雷法对设计级配的检验。在贝雷法级配设计的基础上,提出将混合料中0.075 mm筛孔通过率也作为检验指标,从而使贝雷法的控制指标更趋于完善;同时给出了适合于16型多级嵌挤密实级配(MDBG-16)的相应检验标准。 |
| 关 键 词： | 道路工程 沥青混合料 贝雷法 骨架结构 级配设计 多级嵌挤密实级配 逐级填充理论 粒子干涉理论 |
| 文章编号： | 1001-7372（2006）01-0032-06 |
| 收稿时间： | 2005-04-11 |
| 修稿时间： | 2005-04-11 |
Research on Design Method of Multilevel Dense Built-in Gradation |
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| CHEN Zhong-da,YUAN Wan-jie,GAO Chun-hai. Research on Design Method of Multilevel Dense Built-in Gradation[J]. China Journal of Highway and Transport, 2006, 19(1): 32-37 | |
| Authors: | CHEN Zhong-da YUAN Wan-jie GAO Chun-hai |
| Abstract: | The design system of multilevel dense built-in gradation(MDBG) consisting of coarse skeleton structure and fine skeleton structure was presented on the stage filling theory and particle interfering theory as design basis and the Bailey method as test criterion.The system included coarse aggregate grading design,fine aggregate grading design,synthetic aggregate grading design and checking design gradation by Bailey method.The percentage passing of(0.075 mm) on Bailey method was as a test index,which perfected the evaluation to critical sieve percentage passing of design gradation.Furthermore,the test criterion was afforded to evaluate the gradation in MDBG-16. |
| Keywords: | road engineering asphalt mixture Bailey method skeleton structure grading design MDBG stage filling theory particle interfering theory |
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