Influences of the Different Analytical Modes in the Nonlinear Pushover Analysis based on the External Elevator Well

Mo Shi; Xiaoxian Huang; Yunxia Li; Yeol Choi

doi:10.54097/v08kdk92

Authors

Mo Shi
Xiaoxian Huang
Yunxia Li
Yeol Choi

DOI:

https://doi.org/10.54097/v08kdk92

Keywords:

Nonlinear Pushover Analysis; External Elevator; Existing RC Buildings; Analytical Modes; Seismic Analysis.

Abstract

Elevators are essential vertical transportation tools in contemporary society, providing convenience and crucial utilities, especially for the disabled. However, many existing RC (Reinforced Concrete) buildings were not designed with elevators. Demolishing these existing RC buildings for new construction could cause significant environmental issues, as rebuilding increases carbon dioxide emissions and conflicts with sustainable development goals. Consequently, adding external elevators to existing RC buildings is a practical solution to satisfy modern requirements. Despite their benefits, external elevators may cause structural issues during seismic events, while this is a topic that has received limited research attention. Addressing this gap, this research evaluates the structural performance of an external elevator well in an actual project on Jinzhong Rd, Shanghai City, using nonlinear pushover analysis. The study employs five different analytical modes (Point, Multipoint Uniform, Multipoint Triangle, Line Uniform, and Line Triangle) to analyze the specific external elevator well. By examining these analytical modes, this research aims to provide valuable insights and serve as a significant reference for future engineering projects involving nonlinear pushover analysis of external elevators in existing RC buildings. The findings are expected to enrich the analytical approach to nonlinear pushover analysis, contributing to a beneficial understanding and improved seismic performance of external elevator structures.

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