Evaluation Of Long Term Impacts Of Early Opening Of Concrete Pavements
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Author | : Lev Khazanovich |
Publisher | : |
Total Pages | : 190 |
Release | : 2021 |
Genre | : Pavements, Concrete |
ISBN | : |
Download Evaluation of Long-term Impacts of Early Opening of Concrete Pavements Book in PDF, Epub and Kindle
Due to an increase in demand to shorten construction time as much as possible, the purpose of this project was to determine the optimum strength for concrete pavement before opening it to traffic and without jeopardizing long-term performance. Six test cells in MnDOT’s MnROAD project were constructed in 2017 with varying degrees of early loading. Various tests were performed during and immediately following construction and, four years later, ride quality and load transfer efficiency were used to quantify long-term damage. A finite element analysis was then performed using ISLAB2000 to determine the effects of load location and temperature gradient on the Portland cement concrete (PCC) longitudinal stresses to explain the absence of premature failure. A mechanistic-based early opening damage analysis procedure was created to determine the optimum timing for opening of a concrete pavement to traffic. The procedure accounts for the effect of site conditions and pavement characteristics. A web-based tool was developed to facilitate implementation of this procedure.
Author | : Andrew Wiese |
Publisher | : |
Total Pages | : |
Release | : 2015-12-31 |
Genre | : |
ISBN | : 9781622603664 |
Download Evaluation of Sealers and Waterproofers for Extending the Life Cycle of Concrete Book in PDF, Epub and Kindle
Concrete pavements represent a large portion of the transportation infrastructure. While the vast majority of concrete pavements provide excellent long-term performance, a portion of these pavements have recently shown premature joint deterioration. Substantial interest has developed in understanding why premature joint deterioration is being observed in jointed portland cement concrete pavements (PCCP). While some have attributed this damage to insufficient air void systems, poor mixture design, or chemical reaction between the salt and the paste, it is the hypothesis of this work that a component of this damage can be attributed to fluid absorption at the joints and chemical reactions between the salt and chemistry of the matrix. This paper discusses the role of soy methyl ester - polystyrene blends (SME-PS) as a potential method to extend the service life of concrete pavements by limiting the ingress of salt solutions. The report discusses field application of the SME-PS blends for field investigation in Lafayette and Fishers. Low temperature-differential scanning calorimetry (LT-DSC) techniques identified noticeable differences between plain mortar samples and mortar treated with SME-PS. The report also discusses the development of a test to assess chloride solution ingress during temperature cycling. The aim of this work is to provide background on some aspects that can lead to joint deterioration and provide early documentation showing that sealers may help to reduce the impact of deicers on joint damage, thereby extending the life of the concrete pavement. It should be noted that these sites as well as others are still ongoing and should be monitored for long term performance. Application procedure for SME-PS should follow manufacturer's recommendation.
Author | : Pradhumna Babu Shrestha |
Publisher | : |
Total Pages | : 392 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Assessment of Durability Performance of "Early-Opening-to-Traffic" Portland Cement Concrete Pavement and Patches Book in PDF, Epub and Kindle
Author | : J. Brent Rauhut |
Publisher | : |
Total Pages | : 114 |
Release | : 1994 |
Genre | : Pavements |
ISBN | : |
Download Early Analyses of Long-term Pavement Performance General Pavement Studies Data Book in PDF, Epub and Kindle
The purpose of this report is to share the experience gained and lessons learned by research staff during early data analyses of the General Pavement Studies (GPS) and to recommend procedures for future analysts. A review of the techniques used is provided. Shortcomings of the Long-Term Pavement Performance (LTPP) Data Base, known at the time of early analyses, are discussed and data base expectations for future analyses were identified. Some interesting and useful distress and roughness prediction models were developed that illustrate the effects of several design variables. Other analytical procedures for developing predictive equations were identified and described, which may be of use in future analyses. Ten techniques used by the research staff for evaluating the American Association of Highway and Transportation Officials (AASHTO) design equations are identified and recommendations for future evaluations provided.
Author | : José Luis Rochefort L. |
Publisher | : |
Total Pages | : 366 |
Release | : 2000 |
Genre | : Concrete roads |
ISBN | : |
Download Evaluation of the effects of the tining operation on the performance of Portland cement concrete pavements Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 28 |
Release | : 2006 |
Genre | : Highway research |
ISBN | : |
Download WisDOT Research Program Book in PDF, Epub and Kindle
Author | : National Cooperative Highway Research Program |
Publisher | : |
Total Pages | : 276 |
Release | : 1995 |
Genre | : Highway research |
ISBN | : |
Download Summary of Progress - National Cooperative Highway Research Program Book in PDF, Epub and Kindle
Author | : Robert L. Schmitt (Ph.D.) |
Publisher | : |
Total Pages | : 134 |
Release | : 2010 |
Genre | : Pavements, Asphalt concrete |
ISBN | : |
Download Performance Evaluation of Open Graded Base Course with Doweled and Non-doweled Transverse Joints on USH 18/151, STH 29, and USH 151 Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 52 |
Release | : 2000 |
Genre | : Highway research |
ISBN | : |
Download RD & T Today Book in PDF, Epub and Kindle
Author | : James A. Crovetti |
Publisher | : |
Total Pages | : 100 |
Release | : 2005 |
Genre | : Pavements, Concrete |
ISBN | : |
Download Early Opening of Portland Cement Concrete (PCC) Pavements to Traffic Book in PDF, Epub and Kindle