Dynamic structure-soil-structure interaction of piled high-rise buildings under earthquake excitations I: Influence on dynamic response

Wang, Huaifeng; Zhang, Rulin

doi:10.1590/1679-78256223

Lat. Am. j. solids struct.

2021

DOI: 10.1590/1679-78256223

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Dynamic structure-soil-structure interaction of piled high-rise buildings under earthquake excitations I: Influence on dynamic response

Huaifeng Wang

Rulin Zhang

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Cited by 2 publications

References 57 publications

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Influence of the soil base on the stress-strain state of a large-span building with a cylinder-and-slab roof

Kuzhakhmetova

Сутырин

2022

Struct. Mech. of Eng. Const. and Build

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The authors consider finite element models of a large-span building with a cylinder-and-slab roof as a large spatial mechanical system with different boundary conditions. The first model represents the superstructure of the building with a fixed-end at the soil base level. In the second model, the superstructure is based on the substructure, which includes a pile foundation and a soil base with different physical and mechanical properties. The purpose of the study is a comparative numerical analysis of the stress-strain state of a large-span building with different boundary conditions. The numerical study revealed the influence of the structural features of the substructure of the building, as well as the physical and mechanical properties of the soil base on the stress-strain state of the long-span roof and the building as a whole. Numerical static analysis of spatial finite element models of a large-span building was carried out in the СAE class Femap NX Nastran software package. The results of the static analysis demonstrated a significant structural influence of the substructure of a large-span building on the characteristics of its stress-strain state. In the next article, it is proposed to conduct a modal analysis for these building models.

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Influence of the soil base on the stress-strain state of a large-span building with a cylinder-and-slab roof

Kuzhakhmetova

Сутырин

2022

Struct. Mech. of Eng. Const. and Build

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Modal analysis of a large-span building with different boundary conditions

Kuzhakhmetova

Сутырин

2023

Struct. Mech. of Eng. Const. and Build

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The authors present the results of a modal analysis of finite element models of a large-span building with a cylindrical-and-slab roof as a large mechanical system. During the numerical study, the following spatial models are considered: 1) superstructure - fixed-end; 2) superstructure - pile foundation - soil base. The purpose of the study is to compare the results of a modal analysis of the design of a large-span building with different boundary conditions, physical and mechanical properties of the soil base. Modal analysis of a large-span building with a cylindrical-and-slab roof was carried out using the Femap NX Nastran CAE-class software package implementing the finite element method. The authors compare the frequencies and modes of natural oscillations of the construction of spatial models obtained on models of types 1 and 2 of the large-span building with a cylindrical-and-slab roof. As a result of the modal analysis of model 2, the influence of the physical and mechanical properties of the soil base on the characteristics of the structure's own oscillation was revealed. In the prospect, it is proposed to conduct a dynamic analysis of a large-span building with a cylindrical-and-slab roof for seismic effects.

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Dynamic structure-soil-structure interaction of piled high-rise buildings under earthquake excitations I: Influence on dynamic response

Cited by 2 publications

References 57 publications

Influence of the soil base on the stress-strain state of a large-span building with a cylinder-and-slab roof

Influence of the soil base on the stress-strain state of a large-span building with a cylinder-and-slab roof

Modal analysis of a large-span building with different boundary conditions

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