Numerical Investigation of Wall Packing Effects on Geotechnical Behavior of Infilled Frames under Lateral Loads

Authors

Keywords:

Brick walls, Foundation, Infilled Frames, Lateral Loads, PLAXIS 3D, Sand.

Abstract

Structures are affected by additional forces due to the different lateral loads that may cause foundation failure. Many studies of infilled frames' behavior under lateral loads were performed, but the effect of walls' existence on the foundation’s behavior was ignored. In this work, PLAXIS 3D software was used to study the various factors affecting the foundation of reinforced concrete infilled frames under lateral load. Two specimens of single-story frames consisting of one bay of 3.10 m, width of 0.50 m, and 2.10 m in height, with and without masonry walls were adopted in this study. The effect of walls on the stability of the foundation soil system over sandy soil is investigated to show the improvement of the structure response under lateral loads. The wall stiffness is also investigated in the case of increasing the wall’s inertia. Numerical results indicated that the fully infilled frame has better performance than the bare frame, thus the infilled frame interacts with the surrounding infill walls as a single unit. Results demonstrated that the wall's existence reduced the soil horizontal acceleration and shear strain by 35% and 37%, respectively, compared to the bare frame. As indicated throughout the tests' findings, the wall's existence has a great impact on minimizing settlement and reducing the stress of the foundation. Walls' existence significantly reduced the foundation settlement and stresses by as much as 18.5% and 33%, respectively, from its initial values. Results showed that the utilization of walls has promising outcomes and improves structural stability against the devastating effects of earthquakes.

Author Biographies

Maher Taha EL-Nemr, Prof. of Soil Mechanics and Foundation, Civil Engineering Department, Menoufia University, Egypt

Maher T. EL-Nemr, is a Professor of Soil Mechanics and Foundation, Civil Engineering Department at the Faculty of Engineering, Menoufia University, Egypt. He received his B.Sc. and M.Sc. in Civil Engineering from Menoufia University. He received his PhD in Civil Engineering from United Kingdom in 1981. His research interests include soil stabilization, problematic soil and soil dynamics.

Waseim Ragab Azzam, Prof. of Geotechnical Engineering, Structural Engineering Department, Tanta University, Egypt

Waseim R. Azzam, is a Professor of Geotechnical Engineering, Structural Engineering Department at the Faculty of Engineering, Tanta University, Egypt. He is the director of the soil mechanics laboratory. He received his B.Sc., M.Sc. and his PhD in civil engineering from Tanta University. His research interests include soil improvement, numerical analysis of earthquake and soil dynamics. 

Mohammed Mohammed Abu-Raia, Lecturer in Civil Engineering Department, Menoufia University, Egypt,

Mohammed M. Abu-Raia, is a Lecturer in soil mechanics and foundation engineering at the Civil Engineering Department, Menoufia University, Egypt. He received his B.Sc., M.Sc. and his PhD in Civil Engineering from Menoufia University. His research interests include soil stabilization, problematic soil and soil dynamics.

Moataz Ahmed Wahba, Ph.D. Researcher in Civil Engineering Department, Menoufia University, Egypt

Moataz A. Wahba, is a PhD. Researcher in Civil Engineering Department, Menoufia University, Egypt. He received his B.Sc., M.Sc. in civil engineering from Tanta University. His master degree was in the “Behavior of Laterally Loaded Finned Piles in Clay Soil”. His research interests include numerical analysis of earthquake, soil structure interaction and soil dynamics.

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Published

02-10-2023

How to Cite

EL-Nemr, M. T., Azzam, W. R., Abu-Raia, M. M., & Wahba, M. A. (2023). Numerical Investigation of Wall Packing Effects on Geotechnical Behavior of Infilled Frames under Lateral Loads. Applications of Modelling and Simulation, 7, 122–131. Retrieved from https://www.ojs.arqiipubl.com/index.php/AMS_Journal/article/view/442

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