| 格室土力学响应等效理论有限元方法探索 |
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| 引用本文： | 陈旺盛,宋飞,刘杰,张曼.格室土力学响应等效理论有限元方法探索[J].路基工程,2022,0(1):14-17. |
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| 作者姓名： | 陈旺盛 宋飞 刘杰 张曼 |
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| 作者单位： | 1.长安大学公路学院，西安 710064 |
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| 基金项目： | 陕西省自然科学基金(2019JM-100)；长江水利委员会长江科学院开放研究基金资助项目(CKWV2019743/KY) |
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| 摘 要： | 运用有限元软件ABAQUS建立了土工格室加筋土三轴试验模型,选取Mohr-Coulomb弹塑性模型,将应力应变曲线与等效强度和等效刚度计算结果进行对比,反演出土工格室加筋土的弹性模量、泊松比、剪胀角等参数.采用强度折减法计算素土边坡和土工格室挡墙的安全系数和滑动面,对比边坡加筋前后的变形.
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| 关 键 词： | 土工格室加筋土 等效强度 等效刚度 有限元 三轴试验模型 强度折减法 |
| 收稿时间： | 2021-04-20 |
Exploration on Finite Element Method of Mechanical Response Equivalent Theory of Geocell Reinforced Soil |
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| Abstract: | The finite element software ABAQUS is used to establish a triaxial test model of geocell reinforced soil. The Mohr-Coulomb model is selected as the elastoplastic model, and then compare the stress-strain curve and the calculation results of equivalent strength and equivalent stiffness. The soil parameters of geocell reinforced soil such as elastic modulus, Poisson's ratio and dilatancy angle are inverted. The strength reduction method was used to calculate the safety factor and sliding surface of the plain soil slope and the geocell retaining wall, the deformation of slope before and after reinforcement is compared. |
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