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Method for analyzing deformation of immersed aeolian sand roadbed edge under heavy load condition
The invention discloses a method for analyzing deformation of an immersed aeolian sand roadbed edge under a heavy load condition. The method comprises the following steps: 1) establishing a finite element geometric model; 2) analyzing the seepage field of the aeolian sand roadbed under the water immersion condition according to the established finite element geometric model; (3) analyzing the deformation characteristics of the aeolian sand roadbed at different immersion heights according to the established finite element geometric model; and 4) obtaining a conclusion of deformation of the immersed aeolian sand roadbed edge under the heavy load condition. According to the method, water immersion and rainfall factors are used as entry points, finite element software is used for establishing a heavy haul railway aeolian sand roadbed simulation model, and the deformation characteristics of the water immersion aeolian sand roadbed under the heavy load condition are comprehensively analyzed through key evaluation bases such as a seepage field, a displacement field and a safety coefficient field; theoretical analysis and numerical simulation are adopted, a heavy haul railway aeolian sand roadbed simulation model is constructed, the influence of water immersion factors on the deformation characteristics of the aeolian sand roadbed under the heavy load condition is calculated, and reference can be provided for development of similar projects in desert areas.
本发明公开了一种分析重荷条件下浸水风积沙路基边变形的方法，包括以下步骤：1）建立有限元几何模型；2）根据建立的有限元几何模型进行浸水条件下风积沙路基渗流场分析；3）再根据建立的有限元几何模型进行不同浸水高度下风积沙路基变形特性分析；4）得出重荷条件下浸水风积沙路基边变形的结论。本发明研究以浸水、降雨因素作为切入点，运用有限元软件建立重载铁路风积沙路基仿真模型，通过渗流场、位移场、安全系数场等关键评价依据，综合分析了重荷条件下浸水风积沙路基的变形特性；采用理论分析、数值模拟，构建重载铁路风积沙路基仿真模型，计算浸水因素对重荷条件下风积沙路基变形特性的影响，可为沙漠地区类似工程的开展提供参考。
Method for analyzing deformation of immersed aeolian sand roadbed edge under heavy load condition
The invention discloses a method for analyzing deformation of an immersed aeolian sand roadbed edge under a heavy load condition. The method comprises the following steps: 1) establishing a finite element geometric model; 2) analyzing the seepage field of the aeolian sand roadbed under the water immersion condition according to the established finite element geometric model; (3) analyzing the deformation characteristics of the aeolian sand roadbed at different immersion heights according to the established finite element geometric model; and 4) obtaining a conclusion of deformation of the immersed aeolian sand roadbed edge under the heavy load condition. According to the method, water immersion and rainfall factors are used as entry points, finite element software is used for establishing a heavy haul railway aeolian sand roadbed simulation model, and the deformation characteristics of the water immersion aeolian sand roadbed under the heavy load condition are comprehensively analyzed through key evaluation bases such as a seepage field, a displacement field and a safety coefficient field; theoretical analysis and numerical simulation are adopted, a heavy haul railway aeolian sand roadbed simulation model is constructed, the influence of water immersion factors on the deformation characteristics of the aeolian sand roadbed under the heavy load condition is calculated, and reference can be provided for development of similar projects in desert areas.
本发明公开了一种分析重荷条件下浸水风积沙路基边变形的方法，包括以下步骤：1）建立有限元几何模型；2）根据建立的有限元几何模型进行浸水条件下风积沙路基渗流场分析；3）再根据建立的有限元几何模型进行不同浸水高度下风积沙路基变形特性分析；4）得出重荷条件下浸水风积沙路基边变形的结论。本发明研究以浸水、降雨因素作为切入点，运用有限元软件建立重载铁路风积沙路基仿真模型，通过渗流场、位移场、安全系数场等关键评价依据，综合分析了重荷条件下浸水风积沙路基的变形特性；采用理论分析、数值模拟，构建重载铁路风积沙路基仿真模型，计算浸水因素对重荷条件下风积沙路基变形特性的影响，可为沙漠地区类似工程的开展提供参考。
Method for analyzing deformation of immersed aeolian sand roadbed edge under heavy load condition
一种分析重荷条件下浸水风积沙路基边变形的方法
XU YUANZE (author) / SHI HONGCHAO (author) / ZHU GUIFU (author) / ZHAO HEMING (author) / YUAN YONG (author) / GUO JIANQIANG (author) / BAI NING (author)
2024-02-13
Patent
Electronic Resource
Chinese
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