Evaluation of performance and maximum length of continuous decks in bridges : part 2.

Davidson, Eric; White, Donald; Kahn, Lawrence; Georgia Institute of Technology. School of Civil and Environmental Engineering

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Evaluation of performance and maximum length of continuous decks in bridges : part 2.

2012-08-01
By Davidson, Eric ; White, Donald ; Kahn, Lawrence

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English

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Creators:

Davidson, Eric ; White, Donald ; Kahn, Lawrence

Davidson, Eric ; White, Donald ; Kahn, Lawrence Less -
Corporate Creators:

Georgia Institute of Technology. School of Civil and Environmental Engineering
Corporate Contributors:

United States. Federal Highway Administration
Subject/TRT Terms:

[+]

Bridge Decks Construction Joints Girders Length Performance Measurement Reinforcement (Engineering) Shrinkage Slabs
Publication/ Report Number:

FHWA-GA-12-1029 ; GDOT Research Project No. 10-29 ; Task Order 02-81

FHWA-GA-12-1029 ; GDOT Research Project No. 10-29 ; Task Order 02-81 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Georgia. Dept. of Transportation
Abstract:

Field experimental measurements and analytical studies showed that the link-slab reinforcement

experiences almost no axial load due to thermal and gravity loading. One of the fundamental

reasons for the low loads in the link-slab reinforcement is the fact that there is a small space

(tolerance) between the dowel restraint bars located within the bearing at the bottom of each

girder and the cast-in holes in the girder. Further, concrete shrinkage causes a crack to occur at

the construction joint; the crack width is larger than the deformations caused by thermal and

gravity loading. Thus, no link-slab moments can be generated in the deck. The authors

concluded that the top layer of longitudinal deck reinforcement would be sufficient for link-slab

reinforcement.
Format:

PDF
Funding:

0010316 (RP 10-29)
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:2f1ed7e949ac54da31194bfa0368d4b2be9455d31c3e3484ccd4bc2c65575e76
Download URL:

https://rosap.ntl.bts.gov/view/dot/26379/dot_26379_DS1.pdf
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Evaluation of performance and maximum length of continuous decks in bridges : part 2.

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