| 高速公路花岗岩风化料改良土性能的试验研究 |
| |
| 引用本文： | 赵文斌.高速公路花岗岩风化料改良土性能的试验研究[J].路基工程,2016,0(6):87-90. |
| |
| 作者姓名： | 赵文斌 |
| |
| 作者单位： | 山西路桥第一工程有限责任公司, 太原 030006 |
| |
| 基金项目： | 山西省交通运输厅科研项目（2013-1-3，2015-1-18） |
| |
| 摘 要： | 为研究全风化花岗岩用作新建郑石高速公路路基填料的适宜性，基于全风化花岗岩风化料的矿物成分、颗粒分析等工程性质的分析结果确定其不能直接作为路基填料。选用水泥材料进行改良，对不同掺量的混合料进行了无侧限抗压强度试验、压实试验及疲劳试验，确定对全风化花岗岩风化料进行改良所需最佳水泥掺量为5%，并得到相应的疲劳周期；现场试验路段沉降变形的检测结果表明，沉降符合高速公路路基设计要求。
|
| 关 键 词： | 高速公路 全风化花岗岩 路基填料 疲劳周期 沉降变形 |
| 收稿时间： | 2019-11-09 |
Experimental Research on Performance of Improved Soil of Highway Weathered Granite |
| |
| Abstract: | To study the suitability of completely weathered granite as subgrade filling for newly built Zhengzhou—Shirenshan Expressway, based on mineral composition, grain size and engineering property analysis of completely weathered granite, the weathered granite cannot be directly as subgrade filling. Cement materials were selected for improvement. Unconfined compressive strength test, compaction test and fatigue test were performed on different amounts of mixture to confirm the optimal cement ratio for improving completely weathered granite as 5% and get corresponding fatigue cycle. The test results of site test road settlement show that the settlement meets expressway subgrade design requirements. |
| |
| Keywords: | |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《路基工程》浏览原始摘要信息 |
|
点击此处可从《路基工程》下载全文 |
