| 骨架密实二灰稳定碎石混合料配合比设计方法 |
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| 引用本文： | 刘红瑛,戴经梁. 骨架密实二灰稳定碎石混合料配合比设计方法[J]. 长安大学学报(自然科学版), 2003, 23(2): 11-16 |
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| 作者姓名： | 刘红瑛 戴经梁 |
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| 作者单位： | 长安大学,公路学院,陕西,西安,710064 |
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| 摘 要： | 为了提高二灰稳定碎石混合料的强度和耐久性 ,以使该混合料具有优良的路用性能 ,通过逐级填充来确定二灰碎石的主骨料骨架级配 ,然后利用二灰来充分填充主骨架形成的空隙 ,从而形成明显的骨架密实结构 ,在此基础上提出了骨架密实二灰稳定碎石混合料配合比设计方法。 7d无侧限抗压强度试验结果表明 ,骨架密实二灰稳定碎石混合料具有优良的力学特性。
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| 关 键 词： | 道路工程 二灰碎石 混合料 配比 设计 力学特性 |
| 文章编号： | 1671-8879(2003)02-0011-06 |
| 修稿时间： | 2002-05-09 |
Design method of mixture skeleton densed with lime-flyash and crushed rock |
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| LIU Hong-ying,DAI Jing-liang. Design method of mixture skeleton densed with lime-flyash and crushed rock[J]. JOurnal of Chang’an University:Natural Science Edition, 2003, 23(2): 11-16 |
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| Authors: | LIU Hong-ying DAI Jing-liang |
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| Abstract: | To improve the strength and durability of mixture skeleton densed with lime-flyash and crushed rock,this paper decided the gradation of main skeleton aggregate by classification filling theory.The skeleton void is filled with lime-flyash,the skeleton dense structure is formed.Its design method is put forward.The results of tests show that the structure has better mechanical performance. |
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| Keywords: | road engineering lime-flyash and crushed rock mixture gradation design mechanical performance |
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