Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices

Thorkildsen, Eric T.; Greenman-Pedersen

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Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices

2020-11-01
By Thorkildsen, Eric T.

[PDF-1.65 MB]

English

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Details:

Creators:

Thorkildsen, Eric T.
Corporate Creators:

Greenman-Pedersen
Contributors:

Lawndy, Laura ; Ailaney, Raj

Lawndy, Laura ; Ailaney, Raj Less -
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Bridge Decks Bridge Joints Bridge Preservation Bridges Joints (Engineering) Link Slabs Preservation Slabs
Publication/ Report Number:

FHWA-HIF-20-062
Resource Type:

Tech Report
Geographical Coverage:

United States
Contracting Officer:

Lawndy, Laura
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

This case study presents an overview of the usage of link slabs to eliminate bridge joints. Representative state agency practices are reviewed. State procedures selected for review have either large numbers of installed link slabs, available design details, or innovative installation techniques. General background for link slab usage is presented followed by design approach, including design for prevention of concrete cracking. A tabular comparison of design and construction details is presented. Example details and an example rotation calculation for a link slab are provided. Results confirm that link slabs are an alternative to replacement or repair of bridge joints, but they need to be properly designed to accommodate redistribution of bridge loads and movements. This case study is not a design guidance document but rather a summation and comparison of how State DOTs are approaching the use of link slabs to eliminate bridge joints.
Format:

PDF
Funding:

DTFH61-13-A-00005
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:42d1357f995e4d2c556812c85f70be94daef36c293f124f3645c5bd72580fea9
Download URL:

https://rosap.ntl.bts.gov/view/dot/56218/dot_56218_DS1.pdf
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No Additional Files

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Case Study: Eliminating Bridge Joints with Link Slabs - An Overview of State Practices

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