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Author : Scott A. Hofener
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (75 download)
Download or read book Field and Laboratory Evaluation of Selected Felxible Pavement Crack Sealants written by Scott A. Hofener and published by . This book was released on 1980 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Phillip G. Manke
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (359 download)
Download or read book Field and Laboratory Evaluation of Crack Sealants written by Phillip G. Manke and published by . This book was released on 1981 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Feng Li
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (125 download)
Download or read book Field Investigation and Laboratory Evaluation of Asphalt Pavement Crack Seal Band written by Feng Li and published by . This book was released on 2014 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crack sealing and filling are two of the main traditional techniques of asphalt pavement preventive maintenance. However, these techniques have the shortcomings of low operating efficiency and poor performance such as secondary cracking and edge failure. In this paper, the investigation results of field performance of crack seal band are presented. The seal band is a promising material of crack repair because it results in fewer secondary cracks and greater operating efficiency (two to four times more efficient than crack sealing). However, the field investigation also revealed four major failure modes of seal band, namely, unevenness, cohesion failure, adhesion failure, and pullout that provide the demand to carry out laboratory studies on the properties of seal band material. The following standards are referenced in the studies: (1) standard of hot-applied sealant, (2) standard of building waterproof roll, and (3) standards of related enterprises. Six evaluating test methods are put forward based on the laboratory studies, including: thickness meterage, width meterage, cone penetration test, softening point test, pullout test, and bond test. Fifteen seal band samples are tested in a laboratory evaluation. Based on the field investigation and test results, the technical requirements of different seal bands used in different areas are proposed.
Author :
Publisher :
ISBN 13 : 9781895102574
Total Pages : 20 pages
Book Rating : 4.1/5 (25 download)
Download or read book Laboratory Evaluation of Sealant Materials and Crack Sealing Techniques for Flexible Pavements written by and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents the development of a laboratory testing procedure for the evaluation of flexible pavement crack routing and sealing techniques. The testing procedure simulates both sealant installation techniques and environmental and traffic conditions. An experimental program involving the affecting factors has been designed and is represented in the paper. For the covering abstract of this conference, see IRRD number 863140.
Author : Michael C. Belangie
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.3/5 (555 download)
Download or read book Evaluation of Flexible Pavement Crack Sealing Methods Used in Utah written by Michael C. Belangie and published by . This book was released on 1981 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary purpose of this study was to develop criteria to improve the effectiveness of Utah's flexible pavement crack sealing practice. The methodology involved field measurements of seasonal variation in crack width and in-depth interviews of Department members at various levels of management in maintenance, materials, construction, and research. Other states were queried by questionnaire in order to obtain a comparative base on with to evaluate Utah's practice. Findings indicate that flexible pavement cracking is a significant problem in the Far West, Rocky Mountains, Great Lakes, and New England. Criteria to determine when to seal (fill) cracks, and materials or techniques to be used vary widely. Choice of materials if affected by storage requirements and equipment available. Prepackaging of materials especially designed for crack sealing has resulted in improvements in control of mix and material properties; further gains can be anticipated as mix design improves and material specifications become more exact.. Low temperature and freeze thaw cycles significantly affect the amount of thermal cracking and the performance of crack sealant. Poor rideability, increased pavement deterioration, obscured traffic markings, lowered skid resistance can result from inappropriate selection and installation of crack sealants. Ductile sealants such as Crumb rubber/asphalt cement mixes, in combination with routing appear to offer substantial gains in sealant life and performance. These gains are partially offset by increased installation cost and hazard to the operator. Existing data is insufficient for benefit/cost analysis.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (55 download)
Download or read book Two Year Field and Laboratory Evaluation of Hot Mix Asphalt Crack Sealing Materials written by and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The objective of the NTPEP is to combine and focus the resources of the participating NTPEP member departments in the evaluation of materials of common interest in order to improve cost effectiveness. This report provides the NTPEP member departments the necessary information to evaluate HMA crack sealers without the investment of their time and manpower for testing ... This report contains the laboratory test results and some comments on the installation of the sealants, along with the data accumulated during the 2006 and 2008 performance evaluations, for the NTPEP Test Facility's study of HMA Crack Sealants submitted in 2005"--Page 2
Author : Xiaodi Hu
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (125 download)
Download or read book A New Laboratory Evaluation Method for the Adhesive Performance of Crack Sealants written by Xiaodi Hu and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crack sealing is a practice used for routine and preventive maintenance as part of a pavement's preservation strategy. However, crack sealant failures are common in Texas, particularly within the first 3 years of application (or service life). The major causes of sealant failures can be classified under two categories: Adhesion failure and cohesion failure. Although both failures can lead to a significant reduction in the service life of a pavement structure, adhesive failure is in most cases the dominant failure type. Several laboratory tests such as rotational viscosity, penetration, softening point, ductility, and bond tests are currently used to evaluate the properties of crack sealants. Among these tests, the bond test is specifically used to evaluate the adhesive failure of crack sealants and the procedure of the bond test is well documented in ASTM D5329-07. However, the bond test often takes several days to complete, and the pass/fail criterion is determined through visual observation, which is a very subjective process. Furthermore, the correlation between the bond test and adhesive failure performance of crack sealants in the field was found to be either weak or non-existent. In an attempt to minimize these problems, a simple, fast, and adhesive performance-related laboratory test method is developed in this paper to ensure the proper selection of a sealant for a given project.
Author : Robert A. Eaton
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book State-of-the-art Survey of Flexible Pavement Crack Sealing Procedures in the United States written by Robert A. Eaton and published by . This book was released on 1992 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey of all 50 United States was conducted in September of 1990 to determine the state of the art of crack sealing procedures on flexible asphalt concrete pavements. The results were tabulated and a summary report prepared. A meeting was held at the U.S. Army Cold Regions Research and Engineering Laboratory to discuss the draft report; the comments and suggestions received were incorporated into this report. At the meeting the group identified the need for a trade organization to develop uniform specifications and terminology and to promote proper equipment, methodology, materials, training and education in the pavement crack sealing industry.
Author : National Center for Pavement Preservation
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (55 download)
Download or read book 2 Year Report (twenty Nine Months) Report of Field and Laboratory Evaluation of Hot-mix Asphalt Crack Sealing Materials written by National Center for Pavement Preservation and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "The objective of the NTPEP is to combine and focus the resources of the participating NTPEP member departments in the evaluation of materials of common interest in order to improve cost effectiveness. This report provides the NTPEP member departments the necessary information to evaluate HMA crack sealers without the investment of their time and manpower for testing ... This report contains the laboratory test results and some comments on the installation of the sealants, along with the data accumulated during the 2006 and 2008 performance evaluations, for the NTPEP Test Facility's study of HMA Crack Sealants submitted in 2005"--P. 2.
Author : Khaled Ksaibati
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluating the Effectiveness of Hot-poured Crack Surfacing Material written by Khaled Ksaibati and published by . This book was released on 2006 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Center for Pavement Preservation
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (154 download)
Download or read book Report of One Year Field and Laboratory Evaluation of Hot Mix Asphalt Crack Sealing Materials written by National Center for Pavement Preservation and published by . This book was released on 2007 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mike Marquart
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of CRAFCO Crack Sealant on Asphalt Pavements written by Mike Marquart and published by . This book was released on 2001 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prithvi S. Kandhal
Publisher : ASTM International
ISBN 13 : 0803124929
Total Pages : 182 pages
Book Rating : 4.8/5 (31 download)
Download or read book Flexible Pavement Rehabilitation and Maintenance written by Prithvi S. Kandhal and published by ASTM International. This book was released on 1998 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers from a December 1997 symposium detail innovative and effective strategies for rehabilitation and maintenance of existing highways. Primary topics addressed include pavement evaluation for rehabilitation and management, cold in-place recycling techniques for pavement rehabilitation, effectiven
Author : Vittorio Guglielmetti
Publisher : CRC Press
ISBN 13 : 0415558549
Total Pages : 1336 pages
Book Rating : 4.4/5 (155 download)
Download or read book Long and Deep Tunnels written by Vittorio Guglielmetti and published by CRC Press. This book was released on 2016-04-15 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and construction of “long and deep” tunnels, i.e. tunnels under mountains, characterised by either considerable length and/or overburden, represent a considerable challenge. The scope of this book is not to instruct how to design and construct such tunnels but to share a method to identify the potential hazards related to the process of designing and constructing long and deep tunnels, to produce a relevant comprehensive analysis and listing, to quantify the probability and consequences, and to design proper mitigation measures and countermeasures. The design, developed using probabilistic methods, is verified during execution by means of the so called Plan for Advance of the Tunnel (PAT) method, which allows adapting the design and control parameters of the future stretches of the tunnel to the results of the stretches already finished, using the monitoring data base. Numerous criteria are given to identify the key parameters, necessary for the PAT procedure. Best practices of excavation management with the help of real time monitoring and control are also provided. Furthermore cost and time evaluation systems are analysed. Finally, contractual aspects related to construction by contract are investigated, for best development and application of models more appropriate for tunnelling-construction contracts. The work will be of interest to practising engineers, designers, consultants and students in mining, underground, tunnelling, transportation and construction engineering, as well as to foundation and geological engineers, urban planners/developers and architects.
Author : John Philip Cook
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of Joint and Crack Sealants written by John Philip Cook and published by . This book was released on 1991 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. I. Anderson
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (25 download)
Download or read book Evaluation of selected softening agents used in flexible pavement recycling written by D. I. Anderson and published by . This book was released on 1978 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ismail Mouhamed Basha
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (12 download)
Download or read book Sealing Cracks in Flexible Pavements, Interim Report III written by Ismail Mouhamed Basha and published by . This book was released on 1979 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
