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Characterization Of Asphalt Pavement Materials Using The Indirect Tensile Test
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Book Synopsis Characterization of Asphalt Pavement Materials Using the Indirect Tensile Test by : Thomas William Kennedy
Download or read book Characterization of Asphalt Pavement Materials Using the Indirect Tensile Test written by Thomas William Kennedy and published by . This book was released on 1977 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Long and Deep Tunnels by : Vittorio Guglielmetti
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.
Book Synopsis Properties of Flexible Pavement Materials by :
Download or read book Properties of Flexible Pavement Materials written by and published by ASTM International. This book was released on with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Flexible Pavement Materials by : John J. Emery
Download or read book Properties of Flexible Pavement Materials written by John J. Emery and published by ASTM International. This book was released on 1983 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asphalt Materials Characterization in Support of Implementation of the Proposed Mechanistic-empirical Pavement Design Guide by :
Download or read book Asphalt Materials Characterization in Support of Implementation of the Proposed Mechanistic-empirical Pavement Design Guide written by and published by . This book was released on 2007 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proposed Mechanistic-Empirical Pavement Design Guide (MEPDG) procedure is an improved methodology for pavement design and evaluation of paving materials. Since this new procedure depends heavily on the characterization of the fundamental engineering properties of paving materials, a thorough material characterization of mixes used in Virginia is needed to use the MEPDG to design new and rehabilitated flexible pavements. The primary objective of this project was to perform a full hot-mix asphalt (HMA) characterization in accordance with the procedure established by the proposed MEPDG to support its implementation in Virginia. This objective was achieved by testing a sample of surface, intermediate, and base mixes. The project examined the dynamic modulus, the main HMA material property required by the MEPDG, as well as creep compliance and tensile strength, which are needed to predict thermal cracking. In addition, resilient modulus tests, which are not required by the MEPDG, were also performed on the different mixes to investigate possible correlations between this test and the dynamic modulus. Loose samples for 11 mixes (4 base, 4 intermediate, and 3 surface mixes) were collected from different plants across Virginia. Representative samples underwent testing for maximum theoretical specific gravity, asphalt content using the ignition oven method, and gradation of the reclaimed aggregate. Specimens for the various tests were then prepared using the Superpave gyratory compactor with a target voids in total mix (VTM) of 7% ± 1% (after coring and/or cutting). The investigation confirmed that the dynamic modulus test is an effective test for determining the mechanical behavior of HMA at different temperatures and loading frequencies. The test results showed that the dynamic modulus is sensitive to the mix constituents (aggregate type, asphalt content, percentage of recycled asphalt pavement, etc.) and that even mixes of the same type (SM-9.5A, IM-19.0A, and BM 25.0) had different measured dynamic modulus values because they had different constituents. The level 2 dynamic modulus prediction equation reasonably estimated the measured dynamic modulus; however, it did not capture some of the differences between the mixes captured by the measured data. Unfortunately, the indirect tension strength and creep tests needed for the low-temperature cracking model did not produce very repeatable results; this could be due to the type of extensometers used for the test. Based on the results of the investigation, it is recommended that the Virginia Department of Transportation use level 1 input data to characterize the dynamic modulus of the HMA for projects of significant impact. The dynamic modulus test is easy to perform and gives a full characterization of the asphalt mixture. Level 2 data (based on the default prediction equation) could be used for smaller projects pending further investigation of the revised prediction equation incorporated in the new MEPDG software/guide. In addition, a sensitivity analysis is recommended to quantify the effect of changing the dynamic modulus on the asphalt pavement design. Since low-temperature cracking is not a widespread problem in Virginia, use of level 2 or 3 indirect tensile creep and strength data is recommended at this stage.
Book Synopsis 8th RILEM International Symposium on Testing and Characterization of Sustainable and Innovative Bituminous Materials by : Francesco Canestrari
Download or read book 8th RILEM International Symposium on Testing and Characterization of Sustainable and Innovative Bituminous Materials written by Francesco Canestrari and published by Springer. This book was released on 2015-09-24 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the results of RILEM TC 237-SIB (Testing and characterization of sustainable innovative bituminous materials and systems). The papers have been selected for publication after a rigorous peer review process and will be an invaluable source to outline and clarify the main directions of present and future research and standardization for bituminous materials and pavements. The following topics are covered: - Characterization of binder-aggregate interaction - Innovative testing of bituminous binders, additives and modifiers - Durability and aging of asphalt pavements - Mixture design and compaction analysis - Environmentally sustainable materials and technologies - Advances in laboratory characterization of bituminous materials - Modeling of road materials and pavement performance prediction - Field measurement and in-situ characterization - Innovative materials for reinforcement and interlayer systems - Cracking and damage characterization of asphalt pavements - Recycling and re-use in road pavements This is the proceedings of the RILEM SIB2015 Symposium (Ancona, Italy, October 7-9, 2015).
Book Synopsis Mechanical Tests for Bituminous Mixes - Characterization, Design and Quality Control by : E. Eustacchio
Download or read book Mechanical Tests for Bituminous Mixes - Characterization, Design and Quality Control written by E. Eustacchio and published by CRC Press. This book was released on 2004-06-02 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book forms the Proceedings of an International RILEM Symposium, the fourth in the series, on Testing of Bituminous Mixes in Budapest, Hungary, October 1990. The aim of the Symposium is to promote tests for the characterization, design and quality control of bituminous mixes which combine the best features of traditional and modern approaches. Among the topics covered are specimen preparation, tests with unique loading (Marshall test, uniaxial tension and creep tests etc), which are used for mix design or control of mechanical properties, and tests with repeated loading, which give information on fatigue, permanent deformation and moduli, especially for mix design.
Book Synopsis Testing and Characterization of Sustainable Innovative Bituminous Materials and Systems by : Manfred N. Partl
Download or read book Testing and Characterization of Sustainable Innovative Bituminous Materials and Systems written by Manfred N. Partl and published by Springer. This book was released on 2018-02-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the detailed results of five task groups of the RILEM technical committee TC 237-SIB on Testing and Characterization of Sustainable Innovative Bituminous Materials and Systems. It concentrates on specific new topics in asphalt binder and mixture testing, dealing with new developments in asphalt testing, in particular also in view of new innovative bituminous materials, such as hot and cold recycled mixtures, grid reinforced pavements and recycled Reclaimed Asphalt Pavements (RAP), where test methods developed for traditional asphalt concrete are not a priori applicable. The main objective is providing a basis for pre-standardization by comparing different test methods and showing ways for fundamental improvements. Thus, the book also points the way for a further advanced chemo-physical understanding of materials and their role in pavement systems relying on fundamental material properties and suitable models for describing and predicting the intrinsic mechanisms that determine the material behavior.
Book Synopsis C-? Characterization Model for Design of Asphalt Mixtures and Asphalt Pavements by : SA. Tan
Download or read book C-? Characterization Model for Design of Asphalt Mixtures and Asphalt Pavements written by SA. Tan and published by . This book was released on 2006 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports the results of a research effort initiated in the early 1990s to develop a C-? (cohesion-angle of friction) characterization model for the design of asphalt mixtures and asphalt pavements. It is demonstrated that, since the model is based on the fundamental material properties represented by C and ?, it can derive analytically other asphalt mix design parameters such as Marshall stability and flow, and indirect tensile strength. The C-? characterization model therefore offers a useful basis for the development of a comprehensive design framework that integrates asphalt mix design with asphalt pavement structural design. To demonstrate this capability, the research developed an empirical-mechanistic rutting prediction model of asphalt pavement layer using the C-? characterization model. In addition, the model allows stresses and strains under design loading to be computed, which can be applied as input to structural analysis for asphalt material selection and pavement thickness design.
Book Synopsis Fatigue Characterisation of Asphalt Mixes by Indirect Tensile (diametral) Testing by : P. S. Baburamani
Download or read book Fatigue Characterisation of Asphalt Mixes by Indirect Tensile (diametral) Testing written by P. S. Baburamani and published by . This book was released on 1992 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization and design of recycled asphalt concrete mixtures using indirect tensile test methods by : Mohamed Ali Dhalaan
Download or read book Characterization and design of recycled asphalt concrete mixtures using indirect tensile test methods written by Mohamed Ali Dhalaan and published by . This book was released on 1982 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mixture Design Procedure for Recycled Asphalt Pavements by : Thomas William Kennedy
Download or read book Mixture Design Procedure for Recycled Asphalt Pavements written by Thomas William Kennedy and published by . This book was released on 1982 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of the resilient elastic characteristics of asphalt mixtures using the indirect tensile test by : Guillermo González-Angarita
Download or read book Evaluation of the resilient elastic characteristics of asphalt mixtures using the indirect tensile test written by Guillermo González-Angarita and published by . This book was released on 1975 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laboratory Tests for Hot-mix Asphalt Characterization in Virginia by :
Download or read book Laboratory Tests for Hot-mix Asphalt Characterization in Virginia written by and published by . This book was released on 2005 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project reviewed existing laboratory methods for accurately describing the constitutive behavior of the mixes used in the Commonwealth of Virginia. Indirect tensile (IDT) strength, resilient modulus, static creep in the IDT and uniaxial modes, flexural beam fatigue, and dynamic modulus tests were conducted on two typical mixes used in Virginia: SM-9.5A (surface mix) and BM-25.0 (base mix). The tests conducted produced a wealth of data on typical values for the properties of the two mixes studied over a wide range of temperatures and loading frequencies. The results suggest that the IDT strength test is an effective test to characterize the tensile strength of hot-mix asphalt (HMA), especially for thermal cracking evaluation. The resilient modulus test and the static creep test in the IDT setup are practical and simple to perform, but the analysis of the measurements is complicated, and the variability of the results is high. The compressive uniaxial dynamic modulus and the uniaxial static creep tests were found to be simple to conduct and to analyze because of the homogeneous state of stress in the specimen during testing. The flexural fatigue test was time consuming, but the test produces valuable information about the fatigue properties of hot-mix asphalt. The investigation also found good correlations among the IDT strength, resilient modulus, and dynamic modulus results. A variety of tests is recommended for characterizing the mechanistic-empirical pavement analysis and design. These tests would provide the properties needed to characterize the asphalt layers for the pavement analysis and design. The recommended tests are as follows: IDT strength for characterizing HMA susceptibility to thermal cracking, dynamic modulus for characterization of the constitutive behavior of the HMA, uniaxial creep for characterizing permanent deformation characteristics, and flexural fatigue tests to characterize fatigue properties. Materials characterization testing can be a valuable tool in pavement design. The use of mechanistic-empirical modeling can be used to predict the performance of a pavement. With this type of testing and modeling, the materials used in pavements will be of better quality and more resistant to environmental and structural deterioration. A more durable pavement will aid in reducing the frequency and costs associated with maintenance.
Book Synopsis Testing and Characterization of Asphalt Materials and Pavement Structures by : Kun Zhang
Download or read book Testing and Characterization of Asphalt Materials and Pavement Structures written by Kun Zhang and published by Springer. This book was released on 2018-07-11 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new studies dealing with the attempts made by the scientists and practitioners to address contemporary issues in pavement engineering such as aging and modification of asphalt binders, performance evaluation of warm mix asphalt, and mechanical-based pavement structure analysis, etc.. Asphalt binder and mixture have been widely used to construct flexible pavements. Mechanical and Chemical characterizations of asphalt materials and integration of these properties into pavement structures and distresses analysis are of great importance to design a sustainable flexible pavement. This book includes discusses and new results dealing with these issues. Papers were selected from the 5th GeoChina International Conference 2018 – Civil Infrastructures Confronting Severe Weathers and Climate Changes: From Failure to Sustainability, held on July 23 to 25, 2018 in HangZhou, China.
Book Synopsis Evaluation of the Resilient Elastic Characteristics of Asphalt Mixtures Using the Indirect Tensile Test by : Guillermo Gonzalez
Download or read book Evaluation of the Resilient Elastic Characteristics of Asphalt Mixtures Using the Indirect Tensile Test written by Guillermo Gonzalez and published by . This book was released on 1975 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Designed Pavement Materials Volume 2 by : Yue Xiao
Download or read book Sustainable Designed Pavement Materials Volume 2 written by Yue Xiao and published by MDPI. This book was released on 2020-12-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue “Sustainable Designed Pavement Materials” has been proposed and organized as a means to present recent developments in the field of environmentally-friendly designed pavement materials. For this reason, articles included in this special issue relate to different aspects of pavement materials, from industry solid waste recycling to pavement materials recycling, from pavement materials modification to asphalt performance characterization, from pavement defect detection to pavement maintenance, and from asphalt pavement to cement concrete pavement.
