Revisited live load for simple-span bridges

O Iatsko, AS Nowak - Journal of Bridge Engineering, 2021 - ascelibrary.org
Twenty-five years ago, a bridge live-load model was developed along with the calibration of
the AASHTO LRFD Specifications. The statistical parameters of truck loads were based on …

Design live-load factor calibration for Michigan highway bridges

CD Eamon, V Kamjoo, K Shinki - Journal of Bridge Engineering, 2016 - ascelibrary.org
In this study, a reliability-based calibration of live-load factors for bridge design specific to
the state of Michigan was conducted. Two years of high-frequency weigh-in-motion (WIM) …

Calibration of live-load factor in LRFD bridge design specifications based on state-specific traffic environments

OS Kwon, E Kim, S Orton - Journal of Bridge Engineering, 2011 - ascelibrary.org
In this paper, the live load factor in the Strength I Limit State in the AASHTO LRFD Bridge
Design Specifications is calibrated based on state-specific traffic environments and bridge …

Developing representative Michigan truck configurations for bridge load rating

CD Eamon, S Siavashi - 2018 - rosap.ntl.bts.gov
The objective of this study is to recommend a rating process representative of Michigan load
effects for legal and extended permit vehicles. For this study, high fidelity WIM data from 20 …

Reliability-based design optimization of a vehicular live load model

V Kamjoo, CD Eamon - Engineering Structures, 2018 - Elsevier
Typically, RBDO is used to select physical characteristics of a structure in order to optimize
performance under uncertainty, where design variables are often taken as geometric or …

Development of traffic live-load models for bridge superstructure rating with RBDO and best selection approach

S Siavashi, CD Eamon - Journal of Bridge Engineering, 2019 - ascelibrary.org
Reliability-based design optimization (RBDO) is frequently used to determine optimal
structural geometry and material characteristics that can best meet performance goals while …

Statistical distribution of bridge resistance using updated material parameters

SL Orton, OS Kwon, T Hazlett - Journal of Bridge Engineering, 2012 - ascelibrary.org
Resistance (load-carrying capacity) of a bridge girder is a random variable and can be
determined by considering the uncertainty in material, fabrication, and professional/analysis …

Strength Reduction Factors for Fiber-Reinforced Polymer-Prestressed Concrete Bridges in Flexure.

YJ Kim, RW Nickle - ACI Structural Journal, 2016 - search.ebscohost.com
This paper addresses the calibration methodology of strength reduction factors for fiber-
reinforced polymer (FRP) tendons used in prestressed concrete application. A total of 50 …

[PDF][PDF] Side by side probability for bridge design and analysis

CD Eamon, V Kamjoo, K Shinki - 2014 - engineering.wayne.edu
In this study, a reliability-based calibration of live load factors for design and rating specific to
the State of Michigan was conducted. For this study, high fidelity WIM data from 20 Michigan …

A practical multi-lane factor model of bridges based on multi-truck presence considering lane load disparities

J Zhou, CC Caprani - Frontiers of Structural and Civil Engineering, 2021 - Springer
Many bridge design specifications consider multi-lane factors (MLFs) a critical component of
the traffic load model. Measured multi-lane traffic data generally exhibit significant lane …