Overload truck wheel load distribution on bridge decks.

Till, Roger D.

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Overload truck wheel load distribution on bridge decks.

2009-04-01
By Till, Roger D.

File Language:

English

Details

Creators:

Till, Roger D.
Corporate Creators:

Michigan. Dept. of Transportation. Construction and Technology Division
Corporate Contributors:

Michigan. State Transportation Commission
Subject/TRT Terms:
Publication/ Report Number:

R-1529
Resource Type:

Tech Report
Geographical Coverage:

Michigan
Corporate Publisher:

Michigan. Dept. of Transportation. Construction and Technology Division
Abstract:

There is a need to accurately analyze the load effects on bridge decks from permitted overload trucks on ; Michigan’s roads. The AASHTO Standard Specifications for Highway Bridges, 17th edition, provides a ; distribution width of live loads when reinforcement is parallel to traffic in section 3.24.3, but not when ; reinforcement is perpendicular to traffic. There is a distribution width factor, E, for cantilever slabs given ; in section 3.24.5; however, the structural action for this case is different than that of a continuous deck ; slab over multiple beams. In the Bridge Analysis Guide, 2001 edition, it is stated in Example 9, Bridge ; Deck Rating For Designated Loading, that, “Based on study of the AASHTO method, the moment effect ; of the wheels of tandem axles spaced at 3'-6" will overlap, and hence are additive.” The study of the ; AASHTO method was basic and a more detailed method is needed to correctly model wheel loading from ; overload trucks on bridge decks. ; A detailed method for accurately modeling wheel loading from overload trucks will be developed for ; bridge decks, followed by a simplified approach that can be used to analyze bridge decks for these ; overloads.
Format:

PDF
Download URL:

https://rosap.ntl.bts.gov/view/dot/18188/dot_18188_DS1.pdf
File Type:

[PDF - 6.49 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:efb698d271343258473883bb9fcc6257b5ffd3b70a3a5b78f421f8ed82248915

File Language:

English

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