The Application And Early Age Behaviors Of Continuously Reinforced Bonded Concrete Overlay Of Distressed Jointed Concrete Pavements
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Author | : RenJuan Sun |
Publisher | : |
Total Pages | : 7 |
Release | : 2011 |
Genre | : Bonded overlay |
ISBN | : |
Download The Application and Early-Age Behaviors of Continuously Reinforced Bonded Concrete Overlay of Distressed Jointed Concrete Pavements Book in PDF, Epub and Kindle
Considerable efforts and money are spent to maintain and repair the distressed jointed concrete pavement (JCP) sections by providing partial-/full-depth repair, under sealing, and patching; however, a lot of distresses reoccur frequently. For severe distresses, overlay was constructed on the JCP. Resurfacing with a bonded concrete overlay (BCO) over the existing pavement to form a monolithic structure has proven to be a cost-effective rehabilitation strategy. Continuously reinforced concrete pavement (CRCP) bonded overlay was constructed for the rehabilitation of a 2000 ft long JCP section on U.S.75 in Sherman, Texas, United States which had been subjected to numerous rehabilitations to construct the guidelines of the CRCP bonded overlay. The pavement design and concrete mix design selected are discussed and introduced in this article. In order to reduce the reflective cracking at the location of the JCP joints, geotextile was placed at the joint location before the overlay construction. For the study on the function of the geotextile, the geotextile was not placed at 20 JCP joints for the comparison. One week after the BCO construction, the investigation for the CRCP cracking was carried out at three stages. The investigated results revealed that the cracks at the transverse steel location are much more than those between the transverse steel. Falling weight deflectometer testing was run on the pavement surface before and after the overlay construction to measure the deflection behavior of the pavement. The performance of the overlay shows that the bonded CRCP is appropriate for the JCP resurfacing.
Author | : Sungwoo Ryu |
Publisher | : |
Total Pages | : 67 |
Release | : 2011 |
Genre | : Pavements |
ISBN | : |
Download Continuously Reinforced Bonded Concrete Overlay of Distressed Jointed Concrete Pavements Book in PDF, Epub and Kindle
Author | : James Ray Lundy |
Publisher | : |
Total Pages | : 100 |
Release | : 1991 |
Genre | : Laminated materials |
ISBN | : |
Download Delamination of Bonded Concrete Overlays at Early Ages Book in PDF, Epub and Kindle
A procedure is developed by which the likelihood of delamination of bonded concrete overlays on continuously reinforced concrete pavements is reduced. The procedure compares the early age interface stress to the expected interface bond strength for a variety of environmental conditions. When the calculated stress exceeds the expected strength, it is recommended that overlay placement be curtailed until the possibility of debonding is reduced. A finite element method program is used to determine the early age stresses resulting from temperature and shrinkage induced volume changes. Stresses were determined for a variety of environmental and material combinations and overlay thicknesses. Analyses show that a significant reduction in stress results from the use of overlay materials which have a lower modulus and thermal coefficient than those of the existing slab. The stresses for a given combination of materials and environmental conditions are compared to the interface bond strength at early ages. Early age interface shear and tensile strengths are estimated from 7-day strength test results. The estimated strength, together with the variability of the interface strength, are used to calculate the likelihood of delamination for a given type of overlay and time of placement. This likelihood can be reduced through the selection of a different overlay material or time of placement.
Author | : |
Publisher | : |
Total Pages | : 644 |
Release | : 2003 |
Genre | : Air travel |
ISBN | : |
Download Transportation Research Record Book in PDF, Epub and Kindle
Author | : Wynand JvdM. Steyn |
Publisher | : Transportation Research Board |
Total Pages | : 257 |
Release | : 2012 |
Genre | : Technology & Engineering |
ISBN | : 0309223660 |
Download Significant Findings from Full-scale Accelerated Pavement Testing Book in PDF, Epub and Kindle
"TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 433: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes significant findings from the various experimental activities associated with full-scale accelerated pavement testing (f-sAPT) programs that have taken place between 2000 and 2011. The report also identifies gaps in knowledge related to f-sAPT and where future research may be needed. NCHRP Synthesis 433 is designed to expand the f-sAPT base of knowledge documented in NCHRP Syntheses 325 and 235, both with the same title of Significant Findings from Full-Scale Accelerated Pavement Testing. f-sAPT is the controlled application of a wheel loading, at or above the appropriate legal load limit, to a pavement system to determine pavement response in a compressed time period. The acceleration of damage is achieved by one or more of the following factors: increased repetitions, modified loading conditions, imposed climatic conditions, and thinner pavements with a decreased structural capacity which have shorter design lives"--
Author | : Robert Otto Rasmussen |
Publisher | : Transportation Research Board |
Total Pages | : 96 |
Release | : 2004 |
Genre | : Pavements |
ISBN | : 0309070198 |
Download Thin and Ultra-thin Whitetopping Book in PDF, Epub and Kindle
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 338: Thin and Ultra-Thin Whitetopping summarizes available information to document how state departments of transportation and others are currently using thin and ultra-thin whitetopping overlays among various pavement rehabilitation alternatives. The report covers all stages of the proper application of whitetopping overlays, including project selection, design, materials selection, construction, maintenance, and eventual rehabilitation or replacement.
Author | : Hak-Chul Shin |
Publisher | : |
Total Pages | : 350 |
Release | : 2000 |
Genre | : |
ISBN | : |
Download Early Age Behavior of Bonded Concrete Overlays Due to Shrinkage and Thermal Changes Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 202 |
Release | : 2006 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Download Fiber in CRCP Pavements Book in PDF, Epub and Kindle
Author | : Benoît Bissonnette |
Publisher | : Springer Science & Business Media |
Total Pages | : 197 |
Release | : 2011-03-16 |
Genre | : Technology & Engineering |
ISBN | : 9400712391 |
Download Bonded Cement-Based Material Overlays for the Repair, the Lining or the Strengthening of Slabs or Pavements Book in PDF, Epub and Kindle
Among different approaches that can be considered for concrete rehabilitation, bonded overlays are often the most economical alternative. The primary purpose of overlays is to extend the life of the candidate structures, either by restoring the quality and integrity of the surface and/or the re-establishing or improving the load-carrying capacity. Nevertheless, the durability of bonded overlay systems still draws concerns in the technical community because of bond sustainability problems encountered in a number of cases. At this time, there is still no accepted design approach or methodology that can warrant the practitioner a successful outcome of the repair. This State-of-Art report summarizes the findings with respect to all aspects involved in the overlaying process.
Author | : J. Paul Guyer, P.E., R.A. |
Publisher | : Guyer Partners |
Total Pages | : 34 |
Release | : 2020-05-16 |
Genre | : Technology & Engineering |
ISBN | : |
Download An Introduction to Resurfacing of Continuously Reinforced Concrete Pavement Book in PDF, Epub and Kindle
Introductory technical guidance for civil engineers and construction managers interested in resurfacing continuously reinforced portland cement concrete pavement for streets and highways.