Active Earth Pressure of Limited C-φ Soil Based on Improved Soil Arching Effect
| العنوان: | Active Earth Pressure of Limited C-φ Soil Based on Improved Soil Arching Effect |
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| المؤلفون: | Hu Zhenzhong, Chen Xiangsheng, Liu Shuya, Liu Meilin |
| المصدر: | Applied Sciences, Vol 10, Iss 3243, p 3243 (2020) Applied Sciences Volume 10 Issue 9 |
| بيانات النشر: | MDPI AG, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | 0211 other engineering and technologies, 02 engineering and technology, Slip (materials science), 010502 geochemistry & geophysics, Retaining wall, 01 natural sciences, lcsh:Technology, lcsh:Chemistry, Lateral earth pressure, limited width, Catenary, c-φ soil, General Materials Science, Geotechnical engineering, Instrumentation, lcsh:QH301-705.5, 021101 geological & geomatics engineering, 0105 earth and related environmental sciences, Degree Rankine, Fluid Flow and Transfer Processes, Tension (physics), soil arching effect, lcsh:T, Process Chemistry and Technology, General Engineering, lcsh:QC1-999, Computer Science Applications, Nonlinear system, lcsh:Biology (General), lcsh:QD1-999, lcsh:TA1-2040, active earth pressure, limit equilibrium method, lcsh:Engineering (General). Civil engineering (General), Geology, lcsh:Physics, Resultant force |
| الوصف: | For c-&phi soil formation (cohesive soil) of limited width with ground surface overload behind a deep retaining structure, a modified active earth pressure calculation model is established in this study. And three key issues are addressed through improved soil arching effect. First, the soil-wall interaction mechanism is determined by considering the soil arching effect. The slip surface of a limited soil is proved to be a double-fold line passing through the retaining wall toe and intersecting the side wall of the existing underground structure until it reaches the ground surface along the existing side wall. Second, the limited width boundary is explicated. And third, the variation in the active earth pressure from parameters of limited c-&phi soil is determined. The lateral active earth pressure coefficient is nonlinear distributed based on the improved soil arching effect of the symmetric catenary curve. Furthermore, the active earth pressure distribution, the tension crack at the top of the retaining wall and the resultant force and its action point were obtained. By comparing with the existing analytical methods, such as the Rankine method, it demonstrates that the model proposed in this study is much closer to the measured and numerical results. Ignoring the influence of soil cohesion and the limited width will exponentially reduce the overall stability of the retaining structure and increase the risk of accidents. |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2076-3417 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c165d2002e8172b63f43ce809b7f574aTest https://www.mdpi.com/2076-3417/10/9/3243Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....c165d2002e8172b63f43ce809b7f574a |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20763417 |
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