| 高速公路路基病害成因及在改扩建工程中保证加宽质量的措施研究--以沈大高速公路改扩建工程为例 |
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| 引用本文： | 王波,张朋声.高速公路路基病害成因及在改扩建工程中保证加宽质量的措施研究--以沈大高速公路改扩建工程为例[J].交通标准化,2006(2):124-127. |
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| 作者姓名： | 王波 张朋声 |
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| 作者单位： | 1. 深圳城市交通规划研究中心,广东,深圳,518034
2. 沈阳公路工程监理有限责任公司,辽宁,沈阳,116100 |
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| 摘 要： | 高速公路改建模式多为在早期修建的双向四车道的路基两侧加宽路基，扩建成双向八车道高速公路。但在原路基两侧加宽路基很容易产生新旧路基的不均匀沉降，影响公路的使用质量，甚至会造成严重的后果。故保证原路两侧新填路基的强度以及新老路基的整体稳定性，成为施工中面临的一个重要课题。
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| 关 键 词： | 高速公路 路基病害 路基加宽 整体稳定性 强度 |
| 文章编号： | 1002-4786（2006）02、03-0124-04 |
| 收稿时间： | 2005-07-18 |
| 修稿时间： | 2005年7月18日 |
Study on the Causes of Freeway Damage of the Roadbed and the Quality Assurance Measures in Freeway Broadening Project Case Study of Shenyang-Dalian Freeway Improvement Project |
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| WANG Bo,ZHANG Peng-sheng.Study on the Causes of Freeway Damage of the Roadbed and the Quality Assurance Measures in Freeway Broadening Project Case Study of Shenyang-Dalian Freeway Improvement Project[J].Communications Standardization,2006(2):124-127. |
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| Authors: | WANG Bo ZHANG Peng-sheng |
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| Institution: | 1.Shenzhen Urban Transportation Planning Center, Shenzhen 518034, China; 2. Shenyang Highway Projects Supervision Co. Ltd., Shenyang 116100, China |
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| Abstract: | Broadening the roadbed from four lanes to eight lanes is generally used in the freeway improvement projects in China. The uneven sedimentation between the new and old roadbeds often occurs in this kind of improvement projects, and the subsidence could affect the quality of highway, even cause serious consequences. Assurance of the intensity of new roadbeds and the whole stabilization of new and old roadbeds has become an important issue in the construction. |
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| Keywords: | freeway roadbed disease roadbed broadening whole stability intensity |
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