The Effect of Anti-stripping Agents on the Tensile Strength of Bituminous Mixtures PDF Download
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Author: Michael K. Ho
Publisher:
ISBN:
Category : Bituminous materials
Languages : en
Pages : 74
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Book Description
Author: Michael K. Ho
Publisher:
ISBN:
Category : Bituminous materials
Languages : en
Pages : 74
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Book Description
Author: Bradley J. Putnam
Publisher:
ISBN:
Category : Asphalt
Languages : en
Pages : 178
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Book Description
The use of hydrated lime or other liquid anti stripping agents (ASA) is the most common method to improve the moisture susceptibility of asphalt mixes. However, most laboratory test conditions used to evaluate the moisture susceptibility of the mixes are only for a short duration of time. This might not be a good representation of the field conditions (i.e., several months or years of service). Thus, a study to evaluate the effects of conditioning the mixes for longer durations was initiated. Also, another problem with the use of the liquid anti stripping agents is their heat storage stability. This report addresses these two issues, by preparing and testing mixtures made with fresh binder for indirect tensile strength after conditioning the samples for 1, 7, 28, 90 and 180 days, and samples prepared from binder stored for three days at 160° C after conditioning them for 1, 28 and 90 days. The results of this study indicated that hydrated lime and the liquid anti stripping agents were equally effective for the mixes used in this research when conditioned beyond one day. In the case of samples prepared from stored binder, there was no significant difference in the effectiveness of hydrated lime and the liquid anti stripping agents even after conditioning for one day. Though it was observed that none of the ASA treatments performed better than others in the case of samples prepared with stored binder, it was also observed that almost all mixes gave significantly similar wet ITS and TSR values as samples prepared from fresh binder.
Author: Michael K. Ho
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 26
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Book Description
District 12 (Houston, Texas) has sought to evaluate and reduce the potential for stripping or water sensitivity of bituminous mixtures. Using Test Method Tex-531-C, "Prediction of Moisture-Induced Damage to Bituminous Paving Mixtures Using Molded Specimens," the District tested 312 samples in 1988 and 1989. Liquid anti-strip chemicals were added to most of these samples. Statistical analysis of the test results for tensile strength ratio as well as indirect tensile strength indicate over 80% of the samples which passed minimum strength ratio have a minimum conditioned tensile strength greater than 60 psi
Author: Christine W. Curtis
Publisher:
ISBN:
Category : Aggregates (Materials)
Languages : en
Pages : 30
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Book Description
The purpose of this literature review is to search the literature in the area of chemical and mineral agents used to promote adhesion of asphalt-aggregate mixes. In addition, tests performed to measure the effectiveness of these agents were reviewed. The information gained through this literature search and review provides background information for the research being performed in the SHRP A-003B contract. This literature search was performed using on-line chemical abstracts for documents in the time period of 1967 to present.
Author: A. Nikolaides
Publisher: CRC Press
ISBN: 1315668165
Category : Technology & Engineering
Languages : en
Pages : 884
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Book Description
Bituminous Mixtures and Pavements contains 113 accepted papers from the 6th International ConferenceBituminous Mixtures and Pavements (6th ICONFBMP, Thessaloniki, Greece, 10-12 June 2015). The 6th ICONFBMP is organized every four years by the Highway Engineering Laboratory of the Aristotle University of Thessaloniki, Greece, in conjunction with
Author: Douglas M. Marshall
Publisher: CRC Press
ISBN: 113802693X
Category : Political Science
Languages : en
Pages : 1944
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Book Description
The proliferation of technological capability, miniaturization, and demand for aerial intelligence is pushing unmanned aerial systems (UAS) into the realm of a multi-billion dollar industry. This book surveys the UAS landscape from history to future applications. It discusses commercial applications, integration into the national airspace system (NAS), System function, operational procedures, safety concerns, and a host of other relevant topics. The book is dynamic and well-illustrated with separate sections for terminology and web- based resources for further information.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: David G. Tunnicliff
Publisher: Transportation Research Board
ISBN: 9780309053747
Category : Technology & Engineering
Languages : en
Pages : 68
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Book Description
Author: Asphalt Institute
Publisher:
ISBN: 9781934154175
Category : Asphalt
Languages : en
Pages : 102
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Book Description
Author: Jon A. Epps
Publisher: Transportation Research Board
ISBN: 9780309066570
Category : Technology & Engineering
Languages : en
Pages : 108
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Book Description
