Test Development And Material Characterization Of Hot Poured Crack Sealant At Low Temperature
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Test Development And Material Characterization Of Hot Poured Crack Sealant At Low Temperature
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Author : Shih-Hsien Yang
language : en
Publisher: ProQuest
Release Date : 2009
Test Development And Material Characterization Of Hot Poured Crack Sealant At Low Temperature written by Shih-Hsien Yang and has been published by ProQuest this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Among these six performance parameters, stiffness at 240s of 25MPa, average creep rate of 0.31 mm/mm/s, and extendibility level at different temperatures were identified and proposed as selection criteria for crack sealant at low temperature. These parameters were used to assess several in-service crack sealants with known field performance. The results show that the proposed tests and performance parameters are highly correlated with sealant field performance when compared to current ASTM specification standards.
Characterization Of Low Temperature Mechanical Properties Of Crack Sealants Utilizing Direct Tension Test
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Author :
language : en
Publisher:
Release Date : 2008
Characterization Of Low Temperature Mechanical Properties Of Crack Sealants Utilizing Direct Tension Test written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Pavements categories.
Efficient Transportation And Pavement Systems Characterization Mechanisms Simulation And Modeling
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Author : Imad L. Al-Qadi
language : en
Publisher: CRC Press
Release Date : 2008-11-01
Efficient Transportation And Pavement Systems Characterization Mechanisms Simulation And Modeling written by Imad L. Al-Qadi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-01 with Technology & Engineering categories.
Internationally, significant attention is given to transport sustainability including planning, design, construction, evaluation, safety and durability of the road system. The 4th International Gulf Conference on Roads: Efficient Transportation and Pavement Systems - Characterization, Mechanisms, Simulation, and Modeling, hosted by the University o
Cohesive Property Evaluation Of Crack Sealants Using A Low Temperature Tensile Tester
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Author : Hengxiao Xue
language : en
Publisher:
Release Date : 2018
Cohesive Property Evaluation Of Crack Sealants Using A Low Temperature Tensile Tester written by Hengxiao Xue and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Concrete categories.
This paper presents a new test method that was developed to evaluate the cohesive properties of crack sealants at low temperatures. The low-temperature tensile tester (LTTT) used in this test method was self-developed as a result of field-investigation experiences. Field investigations of crack expansion were conducted in four climate regions in Heilongjiang Province, China, to understand the actual working environment. The LTTT, highly efficient and equipped with a wide measurement range, was then developed. The cohesive specimen is dog-bone shaped and 24 x 24mm in width and thickness, a size selected based on the test results of various specimen dimensions. The optimal elongation rate was 100mm/h, and displacement-at-failure emerged as the evaluation index, having been derived from the analysis of test results at various temperatures and elongation rates. According to the results of field investigation, the threshold values of displacement-at-failure were 84, 60, 36, and 28.8mm, from the lowest to the highest temperature region. The cohesive properties of six types of sealant were assessed on the threshold-evaluation values of the various regions. This test method can effectively differentiate the cohesive properties of various sealants and can be applied in a diversity of climate regions.
Development Of A Viscosity Specification For Hot Poured Bituminous Sealants
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Author : Imad L. Al-Qadi
language : en
Publisher:
Release Date : 2007
Development Of A Viscosity Specification For Hot Poured Bituminous Sealants written by Imad L. Al-Qadi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Crack sealant categories.
Current crack sealant specifications focus on using simple empirical tests such as penetration, resilience, flow, and bonding to cement concrete briquettes (ASTM D 6690) [1] to measure the ability of the material to resist cohesive and adhesive failures. There is, however, no indication of the pertinence of these standard tests to predict the success of field installation and sealant performance. In an effort to bridge the gap between sealant fundamental properties and field performance, performance-based guidelines for the selection of hot-poured crack sealants are currently being developed. This paper proposes a new viscosity test procedure to help assess the propensity of sealants to wet the crack surface during installation. The proposed procedure calls for the use of a Brookfield rotational viscometer equipped with a modified spindle rod and an SC4-27 spindle at a speed of 60 r/min. Sealants are heated 20 min at the recommended installation temperature and the viscosity is measured after 30 s of spindle rotation in the hot sealant. These experimental conditions provide viscosities representative of sealant viscosity at shear rates during field application. The repeatability for within laboratory and between laboratories was found to be 5.4 and 17 %, respectively. This repeatability is comparable with the corresponding variability of the SuperPave viscosity test for asphalt binders.
Development Of A Crack Sealant Adhesion Test Csadt Specification For Hot Poured Bituminous Sealants
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Author : Imad L. Al-Qadi
language : en
Publisher:
Release Date : 2011
Development Of A Crack Sealant Adhesion Test Csadt Specification For Hot Poured Bituminous Sealants written by Imad L. Al-Qadi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Adhesion categories.
Current crack sealant specifications utilize a simple empirical bond test [ASTM D5329, "Standard Test Methods for Sealants and Fillers, Hot-Applied, for Joints and Cracks in Asphaltic and Portland Cement Concrete Pavements"] to measure a sealant's ability to adhere to concrete briquettes. However, no correlation exists between the results of this standard test and a sealant's field performance. To bridge the gap between sealants' fundamental properties and field performance, performance-based guidelines for the selection of hot-poured crack sealants have been developed. This paper proposes a new test procedure to help assess the capability of sealants to adhere to the sides of cracks in pavement. The proposed crack sealant adhesion direct tensile (CSADT) test procedure calls for the use of a direct tensile tester with modifications to the end pieces and the specimen holder. Sealant is confined between two aluminum pieces, which will move apart at 0.05 mm/s until failure occurs. Failure load and the displacement at failure are recorded and then used to assess the sealant's adhesion capability. A crack created on one side of the assembly during specimen preparation determines the initial failure location and ensures that the failure occurs at the interface and not within the sealant. The specimen preparation is designed to simulate sealant installation, and experimental conditions have been developed to represent crack openings during pavement contraction in cold weather. The repeatability of the suggested procedure was acceptable with an average coefficient of variation of 10.9 %. No significant difference existed between two operators or between two test setups.
Wisdot Research Program
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Author :
language : en
Publisher:
Release Date : 2009
Wisdot Research Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Highway research categories.
Development Of Adhesive Test For Hot Poured Crack Sealants
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Author : Mohammed Sa Sawalha
language : en
Publisher:
Release Date : 2016
Development Of Adhesive Test For Hot Poured Crack Sealants written by Mohammed Sa Sawalha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Sealants And Cold Regions Pavement Seals
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Author : Stephen A. Ketcham
language : en
Publisher:
Release Date : 1995
Sealants And Cold Regions Pavement Seals written by Stephen A. Ketcham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Elastomers categories.
Metals Abstracts
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Author :
language : en
Publisher:
Release Date : 1998
Metals Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Metallurgy categories.