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IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century


IASS Symposium 2016

SESSION: Seismic Analysis, Behavior & Design

Maximum axial force and bending moment of slanted beam, gable arch and circular arch subject to earthquake motion

< Table of Contents for Seismic Analysis, Behavior & Design
  • Proceedings Name: IASS 2016 Tokyo Symposium: Spatial Structures in the 21st Century
  • ISSN: (Electronic Version) 2518-6582
  • Session: Seismic Analysis, Behavior & Design
  • Pages: 10
  • Title: Maximum axial force and bending moment of slanted beam, gable arch and circular arch subject to earthquake motion
  • Author(s): Juri Nemoto, Koji Yamada
  • Keywords: slanted beam, gable arch, circular arch, vertical motion, horizontal motion, maximum bending moment
Abstract
In this report, a simple method is proposed to estimate the maximum axial force and the maximum bending moment of a slanted beam, a gable arch and a circular arch subject to earthquake motions. Structures are a slanted beam, a gable arch and a circular arch whose span are 30, 50, 70m. Input motions are 5 artificial motions with the phases of observed earthquake motions. We discuss the ratios of the maximum axial forces and bending moments by comparison of the maximum axial forces and bending moments subjected to dead loads. As a result, the scale factor is constant to estimate the axial force subject to earthquake motions from the axial force subject to dead load. The scale factor is a linear function to estimate the bending moment subject to earthquake motions from the bending moment subject to dead load.

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