Knowledge Resource Center for Ecological Environment in Arid Area
南疆盐渍土路基盐-冻胀变形综合防治技术研究 | |
其他题名 | Integrated control technology of salt-frost heave deformation in saline soil subgrade of southern Xinjiang |
杨保存; 汪为巍; 杨柳 | |
来源期刊 | 干旱区地理
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ISSN | 1000-6060 |
出版年 | 2011 |
卷号 | 34期号:1页码:133-142 |
中文摘要 | 盐渍土盐-冻胀变形对新疆南疆地区的道路路基造成了不同程度的破坏,尤其对南疆新建城市阿拉尔市和图木舒克市的城市道路造成了严重的变形破坏.根据南疆盐渍土工程性质及盐-冻胀变形试验研究结果,作者总结提出了"一个加强,两个严格,三个注重"的盐渍土路基盐-冻胀变形综合防治原则和"五步骤"综合防治技术与工程措施,在南疆阿拉尔市胜利大道的改建工程中得到了应用,初期防治效果较明显,其最终防治效果需通过今后三年在道路的使用期间对路面变形的监控量测结果来进行评价 |
英文摘要 | Southern Xinjiang is an inland arid desert region with wide distribution of saline soil and great saline soil disasters of projects. Since the differences in landform and groundwater distribution in different areas of southern Xinjiang, there is a clear distinction in saline soil properties, and the prevention of the disaster in saline soil exists uncertainties. In seasonal frozen soil areas of southern Xinjiang, the expansion of sulfate salts and chloride salts and their dissolved collapse cause deformation and damage of the city roads especially in the Alar and Tumusuk of the newly building cities, which result in great destroy of society and economy. According to the projects’ natures and test results of frost heave deformation in the saline soil areas, this paper puts forwards the following integrated control technology and engineering measurements dealing with controlling saline soil subgrade’s frost heave deformation: "one strengthening, two strictnesses, three attentions" and "five steps".The first step is that the type and composition of salt in subgrade should strictly be controlled. The second step is that the transition of water and salt should be hampered in order to realize no salt in the subgrades. The third is to strengthen the structure layer of the subgrades, which can make no deformation in subgrades. The fourth step is to take the project measures of water in the saline soil subgrades in order to hamper the salt entering into the subgrades with water transfer. The last step is that we should plant the saline trees beside the roads, not only declining the salt of the water, but also getting a great ecology environment. The principle and measurements mentioned above have been applied in the road reconstruction works in southern Xinjiang and obtained a clear effect in the prime period, but the final effect will be detected in coming three years. In different regions of southern Xinjiang, there are some differences in the regional landform, geological structure and groundwater distribution,so the distribution of saline soil salt composition and salt contents are also different and varied. These differences make the saline soil exist some differences in the mechanical strength and plasticity of soil and saline soil salt-frost heave deformation characteristics. The project practice proves that the protection of saline soil should be step by step and make use of project and biology comprehensive project measures |
中文关键词 | 盐渍土路基 ; 盐-冻胀变形 ; 综合防治技术 ; 隔断层 ; 垂直防渗 |
英文关键词 | saline soil subgrade, salt-frost heave deformation integrated control technology blocking layer vertical anti-seepage |
语种 | 中文 |
国家 | 中国 |
收录类别 | CSCD |
WOS类目 | TRANSPORTATION |
WOS研究方向 | Transportation |
CSCD记录号 | CSCD:4145118 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/226439 |
作者单位 | 塔里木大学水利与建筑工程学院, 阿拉尔, 新疆 843300, 中国 |
推荐引用方式 GB/T 7714 | 杨保存,汪为巍,杨柳. 南疆盐渍土路基盐-冻胀变形综合防治技术研究[J],2011,34(1):133-142. |
APA | 杨保存,汪为巍,&杨柳.(2011).南疆盐渍土路基盐-冻胀变形综合防治技术研究.干旱区地理,34(1),133-142. |
MLA | 杨保存,et al."南疆盐渍土路基盐-冻胀变形综合防治技术研究".干旱区地理 34.1(2011):133-142. |
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