| 基于湿度应力场理论的膨胀土增湿变形分析 |
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| 引用本文： | 李康全,周志刚. 基于湿度应力场理论的膨胀土增湿变形分析[J]. 长沙理工大学学报(自然科学版), 2005, 2(4): 1-6 |
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| 作者姓名： | 李康全 周志刚 |
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| 作者单位： | 长沙理工大学,公路工程学院,湖南,长沙,410076;长沙理工大学,公路工程学院,湖南,长沙,410076 |
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| 基金项目： | 交通部西部交通建设科技项目 |
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| 摘 要： | 应用湿度应力场理论对膨胀土的增湿变形进行了分析，并由无荷膨胀量试验和有荷膨胀量试验确定了相关参数．根据湿度应力场与温度应力场的相似性，利用Ansys软件的热分析功能，计算了膨胀土增湿变形．并通过有荷膨胀量试验的模拟分析，验证了应用温度应力场理论模拟湿度应力场的有效性．
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| 关 键 词： | 膨胀土 湿度应力场 数值模拟 |
| 文章编号： | 1672-9331（2005）04-0001-06 |
| 收稿时间： | 2005-08-30 |
| 修稿时间： | 2005-08-30 |
Deformation Analysis of Expansive Soils Induced by Increased Humidity Based on the Theory of Humidity Stress Field |
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| LI Kang-quan,ZHOU Zhi-gang. Deformation Analysis of Expansive Soils Induced by Increased Humidity Based on the Theory of Humidity Stress Field[J]. Journal of Changsha University of Science and Technology(Natural Science), 2005, 2(4): 1-6 |
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| Authors: | LI Kang-quan ZHOU Zhi-gang |
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| Affiliation: | College of Highway Engineering, Changsha University of Science and Technology, Changsha 410076, China |
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| Abstract: | The theory of humidity stress field is applied to analyze the deformation of expansive soils induced by increased humidity, and related parameters can be determined through the free swelling test and the swelling test under load. According to the similarities between humidity stress field and temperature stress field, the deformation of expansive soils can be calculated using the function of heat analysis in ANSYS. And the numerical simulation on the swelling test with load has proved the validity of adopting the theory of temperature stress field to simulate the humidity stress field. |
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| Keywords: | expansive soil humidity stress field numerical simulation |
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