Proposed Revisions to AASHTO-LRFD Bridge Design Specifications for Orthotropic Steel Deck Bridges

被引：31

作者：

Kozy, Brian M. ^{[1
]}

Connor, Robert J. ^{[2
]}

Paterson, Duncan ^{[3
]}

Mertz, Dennis R. ^{[4
]}

机构：

[1] Fed Highway Adm, Washington, DC 20590 USA

[2] Purdue Univ, Sch Civil Engn, W Lafayette, IN 47907 USA

[3] HDR Engn, Cincinnati, OH 45242 USA

[4] Univ Delaware, Newark, DE 19716 USA

来源：

JOURNAL OF BRIDGE ENGINEERING | 2011年 / 16卷 / 06期

关键词：

Steel bridge; Steel deck; Orthotropic deck; LRFD; Specifications; Fatigue;

D O I：

10.1061/(ASCE)BE.1943-5592.0000214

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The orthotropic steel deck bridge is a structural system that has the potential to provide an extended service life and standardized modular design as compared to more conventional bridge construction. This paper summarizes proposed changes to the fifth edition of the AASHTO LRFD Bridge Design Specifications related to orthotropic deck bridges. The current version of AASHTO-LRFD contains provisions that provide limited guidance to complete the fatigue design. Contained within these proposed changes is a new framework for design verification, which may be based on different levels of design or physical testing. Criteria related to loads, load factors, limit states including fatigue in particular, resistance, and analysis requirements are covered in detail. Designs made according to these new provisions can be expected to perform very well and meet the design service life as per AASHTO-LRFD. DOI:10.1061/(ASCE)BE.1943-5592.0000214. (C) 2011 American Society of Civil Engineers.

引用

页码：759 / 767

页数：9

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