Evaluation of Premature Cracking in Urban Concrete Pavement

Roesler, Jeffery; Montemayor, Roberto; DeSantis, John; Gupta, Prakhar

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Evaluation of Premature Cracking in Urban Concrete Pavement

2021-01-01
By Roesler, Jeffery ; Montemayor, Roberto ; DeSantis, John

File Language:

English

[PDF - 32.68 MB]

Details

Creators:

Roesler, Jeffery ; Montemayor, Roberto ; DeSantis, John ; Gupta, Prakhar
Corporate Creators:

University of Illinois at Urbana-Champaign. Dept. of Civil Engineering
Corporate Contributors:

Illinois. Department of Transportation ; United States. Department of Transportation. Federal Highway Administration
Subject/TRT Terms:
Publication/ Report Number:

FHWA-ICT-21-001, ICT-21-001, UILU-2021-2001
Resource Type:

Tech Report
Geographical Coverage:

Illinois ; United States
Edition:

Final
Corporate Publisher:

Illinois. Department of Transportation
Abstract:

This study investigated the causes for premature, transverse cracking on urban jointed plain concrete pavements in Illinois. A field survey of 67 sections throughout Illinois coupled with ultrasonic evaluation was completed to synthesize the extent of premature cracking on urban jointed plain concrete pavements (JPCP). The visual survey showed some transverse and longitudinal cracks were a result of improper slab geometry (excessive slab length and width). Ultrasonic tests over the contraction joints determined some notched joints had not activated and adjacent transverse cracks were likely formed as a result. Three-dimensional finite-element analyses confirmed that cracking would not develop as a result of normal environmental factors and slab-base frictional restraint. The concrete mixture also did not appear to be a contributing factor to the premature cracks. Finally, the lack of lubrication on dowel bars was determined to potentially be a primary mechanism that could restrain the transverse contraction joints, produce excessive tensile stresses in the slab, and cause premature transverse cracks to develop.
Format:

PDF
Funding:

R27-193-4
Download URL:

https://rosap.ntl.bts.gov/view/dot/58159/dot_58159_DS1.pdf
File Type:

[PDF - 32.68 MB]
Collection(s):

US Transportation Collection
Main Document Checksum:

urn:sha256:253b4c5b2d445d50fac9a3d3585e4260000747b1838533162adfa7cea979f826

File Language:

English

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