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A platform for research: civil engineering, architecture and urbanism
Dynamic Analysis and Design of Foundations for Liquid Storage Tanks
Dealing with soft and loose soils is always a challenge to the practicing Civil Engineers. Foundations to support heavy loads on weak deposits in high seismic zones attracts more attention in design of foundations of structures. Seismic wave propagation and its impact on foundation elements induces additional bending moments and shear forces. This paper deals with analysis and design of foundations adopted for a 41 m diameter storage tank executed in the East Coast of India. The efficacy of lateral pile capacity has been assessed using PLAXIS 3D dynamic module. The performance of foundation system under earthquake loading was extensively studied and covered in this paper. A full geotechnical seismic site response analysis was conducted with a full mesh of soil layers and piles. Appropriate site-specific seismic acceleration history with time was imposed on the bedrock. Sloshing forces for both full and empty tank conditions were considered in the analysis. The 3D FEM seismic analysis of the pile movement and forces during and after earthquake were checked for structural adequacy of the piles against the M–N envelope.
Dynamic Analysis and Design of Foundations for Liquid Storage Tanks
Dealing with soft and loose soils is always a challenge to the practicing Civil Engineers. Foundations to support heavy loads on weak deposits in high seismic zones attracts more attention in design of foundations of structures. Seismic wave propagation and its impact on foundation elements induces additional bending moments and shear forces. This paper deals with analysis and design of foundations adopted for a 41 m diameter storage tank executed in the East Coast of India. The efficacy of lateral pile capacity has been assessed using PLAXIS 3D dynamic module. The performance of foundation system under earthquake loading was extensively studied and covered in this paper. A full geotechnical seismic site response analysis was conducted with a full mesh of soil layers and piles. Appropriate site-specific seismic acceleration history with time was imposed on the bedrock. Sloshing forces for both full and empty tank conditions were considered in the analysis. The 3D FEM seismic analysis of the pile movement and forces during and after earthquake were checked for structural adequacy of the piles against the M–N envelope.
Dynamic Analysis and Design of Foundations for Liquid Storage Tanks
Lecture Notes in Civil Engineering
Sitharam, T. G. (editor) / Kolathayar, Sreevalsa (editor) / Jakka, Ravi (editor) / Annam, Madan Kumar (author) / P. R. Sastry (author)
2021-11-20
8 pages
Article/Chapter (Book)
Electronic Resource
English
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