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A probability-based methodology for establishing non-extreme and extreme vertical load combinations for multi-hazard LRFD of bridges

  • Commissariat à l’énergie atomique et aux énergies alternatives
  • SUNY Buffalo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The current probability-based AASHTO LRFD Bridge Design Specifications are fully calibrated against gravity dead load and truck load. However, it does not cover extreme load effects in a consistent fashion. In this paper, a methodology is described to combine extreme and non-extreme loads. To illustrate this method, common truck load and earthquake load combinations are used. This illustration quantitatively show that the current design practice is non-conservative if only considering peak truck load or peak earthquake load alone; and is too conservative if the design is based on the combined peak truck and earthquake.

Original languageEnglish
Title of host publicationInternational Efforts in Lifeline Earthquake Engineering - Proceedings of the 6th China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering
PublisherAmerican Society of Civil Engineers (ASCE)
Pages393-400
Number of pages8
ISBN (Print)9780784413234
DOIs
StatePublished - 2014
Event6th China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering Symposium - Chengdu, China
Duration: May 28 2013Jun 1 2013

Publication series

NameInternational Efforts in Lifeline Earthquake Engineering - Proceedings of the 6th China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering

Conference

Conference6th China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering Symposium
Country/TerritoryChina
CityChengdu
Period05/28/1306/1/13

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