Type

Journal Article

Authors

Donya Hajializadeh
Bernard Enright
Eugene J. O'Brien
Cathal Leahy
Eugene J. OBrien

Subjects

Environment

Topics
weigh in motion bridge wim bridges traffic load structural engineering traffic trucks loads civil engineering highway bridges

A Review of the HL-93 Bridge Traffic Load Model Using an Extensive WIM Database (2014)

Abstract HL-93, the current bridge traffic load model used in the United States is examined here. Weigh-in-motion (WIM) data from 17 sites in 16 states containing 74 million truck records are used to assess the level of consistency in the characteristic load effects (LEs) implied by the HL-93 model. The LEs of positive and negative bending moments and shear force are considered on single- and two-lane same-direction slab and girder bridges with a range of spans. It is found that the ratio of WIM-implied LE to HL-93 LE varies considerably from one LE to another. An alternative model is proposed that achieves improvements in consistency in this ratio for the LEs examined, especially for the single-lane case. The proposed model consists of a uniformly distributed load whose intensity varies with bridge length.
Collections Ireland -> Dublin Institute of Technology -> Articles
Ireland -> Dublin Institute of Technology -> College of Engineering and Built Environment
Ireland -> Dublin Institute of Technology -> Colleges
Ireland -> Dublin Institute of Technology -> School of Civil and Structural Engineering
Ireland -> University College Dublin -> Civil Engineering Research Collection

Full list of authors on original publication

Donya Hajializadeh, Bernard Enright, Eugene J. O'Brien, Cathal Leahy, Eugene J. OBrien

Experts in our system

1
Donya Hajializadeh
University College Dublin
Total Publications: 16
 
2
Bernard Enright
University College Dublin
Total Publications: 39
 
3
Eugene J. O'Brien
University College Dublin
Total Publications: 192
 
4
Cathal Leahy
University College Dublin
Total Publications: 17
 
5
Eugene J. OBrien
Dublin Institute of Technology
Total Publications: 24