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Dispersion Of Sbs And Its Influence On The Performance Of Sbs Modified Asphalt
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Book Synopsis Dispersion of SBS and Its Influence on the Performance of SBS Modified Asphalt by : Fuqiang Dong
Download or read book Dispersion of SBS and Its Influence on the Performance of SBS Modified Asphalt written by Fuqiang Dong and published by . This book was released on 2014 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a laboratory study in styrene-butadiene-styrene (SBS) polymer modified asphalt including the dispersion process of SBS in asphalt and the asphalt performance without chemical reaction. Fluorescence microscope was adopted to characterize the dispersion of SBS in asphalt. The effects of various factors on modified asphalt were studied by means of the SBS particle size distribution, which was obtained by micrographs using the Image-Pro Plus image analysis program. The fundamental characteristics of SBS modified asphalt samples were determined using conventional test methods. The test results indicate that higher shear rate and longer shear time could promote the SBS dispersion in the low range, but there exists a critical shear rate and shear time. The higher shear temperature could improve the dispersion of SBS in asphalt. When the shear temperature increases to a certain number, the SBS particle size decreases, which do have adverse effects on the performance of SBS modified asphalt. With the content of SBS increasing, the particle size distribution becomes wider and the softening point of the modified asphalt increases, while the penetration and ductility of modified asphalt decrease. When the content of SBS is constant, as SBS particle size decreases, the softening point and viscosity increase, penetration decreases, and the ductility of SBS modified asphalt first increases slightly then decreases. However, when the content of SBS varies, as the particle size of SBS decreases, the softening point and viscosity of SBS modified asphalt increase, while penetration and ductility of SBS modified asphalt decrease.
Book Synopsis Aging Behaviour and Mechanism of SBS-Modified Asphalt by : Tao Ma
Download or read book Aging Behaviour and Mechanism of SBS-Modified Asphalt written by Tao Ma and published by . This book was released on 2012 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aging behaviour and mechanism of styrene-butadiene-styrene (SBS)-modified asphalt has been investigated based on laboratory tests in this study. Rolling thin-film oven (RTFO) test and pressure-aging-vessel (PAV) test were conducted to prepare aged SBS-modified asphalt. Conventional property tests, including penetration, soften point, and ductility, as well as elastic recovery and SHRP property tests, including viscosity, dynamic shear rheometor (DSR) and bending-beam rheometer (BBR) tests, were mainly used to analyse the aging behaviour of SBS-modified asphalt. Then Fourier transform infrared spectroscopy (FTIR) and gel-permeation chromatography (GPC) tests were conducted to capture the aging mechanism of SBS-modified asphalt. The testing results indicated that SBS-modified asphalt has similar aging behaviour as base asphalt but better performance and anti-aging ability because of the existence of the SBS modifier. However, it is still inevitable that SBS-modified asphalt becomes aged because of thermal oxidation. The aging of SBS-modified binder consists of two parts: (i) the oxidative aging of the asphalt components, and (ii) the degradation of the SBS modifier. Because of the protective effect between asphalt and SBS polymer, the aging degrees of asphalt and SBS polymer were lower than those aged independently.
Book Synopsis Modified Asphalt by : Jose Luis Rivera Armenta
Download or read book Modified Asphalt written by Jose Luis Rivera Armenta and published by BoD – Books on Demand. This book was released on 2018-09-19 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Asphalt modification is an important area in the development of new road and pavement materials. There is an urgent demand for road materials that can minimize fracture at low temperatures and increase resistance to deformation at high temperatures. The function of asphalt is to bind aggregate to protect it from water and other harmful agents. In the beginning asphalt was ideal for this purpose, but recently traffic loads have increased and environmental factors have deteriorated more rapidly than before. Asphalt is a byproduct of crude oil in the refining process, and it is considered a complex heterogeneous mixture of hydrocarbons. Asphalt modification has become an important research area, using several methods and new materials as modifiers.
Book Synopsis Characteristics of Asphalt Binders by :
Download or read book Characteristics of Asphalt Binders written by and published by . This book was released on 1996 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sustainable Designed Pavement Materials by : Yue Xiao
Download or read book Sustainable Designed Pavement Materials written by Yue Xiao and published by MDPI. This book was released on 2020-12-02 with total page 346 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.
Book Synopsis Performance Evaluation of SBS Modified Asphalt with Different Anti-aging Additives by : Zhengang Feng
Download or read book Performance Evaluation of SBS Modified Asphalt with Different Anti-aging Additives written by Zhengang Feng and published by . This book was released on 2012 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of three different types of anti-aging additives (bumetrizole, octabenzone, and tinuvin770) on the physical and rheological properties of styrene butadiene styrene (SBS) modified asphalt were investigated by means of conventional physical properties tests and dynamic shear rheometer (DSR) tests. In order to evaluate the aging properties of different anti-aging additive/SBS modified asphalts, the thin film oven test and ultraviolet (UV) radiation test were performed, and different aging parameters were compared. The results show that the penetration, ductility, and softening point are increased, whereas the viscosity is decreased, with the addition of different anti-aging additives. The DSR analysis indicates that anti-aging additives can enhance the elastic behavior and improve the thermal stability of SBS modified asphalt. Improvement in the thermal-oxidative aging properties of SBS modified asphalt can be achieved with the three different anti-aging additives, but the UV aging properties of anti-aging additive/SBS modified asphalts are dependent on the type of anti-aging additive. Of the three different anti-aging additives, tinuvin770 improves both the thermal- and the photo-oxidative aging resistance of SBS modified asphalt significantly.
Book Synopsis Mix Design Methods for Asphalt Concrete and Other Hot-mix Types by : Asphalt Institute
Download or read book Mix Design Methods for Asphalt Concrete and Other Hot-mix Types written by Asphalt Institute and published by . This book was released on 1997 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 10th International Conference on Maintenance and Rehabilitation of Pavements by : Paulo Pereira
Download or read book Proceedings of the 10th International Conference on Maintenance and Rehabilitation of Pavements written by Paulo Pereira and published by Springer Nature. This book was released on with total page 643 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 5th International Symposium on Asphalt Pavements & Environment (APE) by : Marco Pasetto
Download or read book Proceedings of the 5th International Symposium on Asphalt Pavements & Environment (APE) written by Marco Pasetto and published by Springer Nature. This book was released on 2019-08-29 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume highlights the latest advances, innovations, and applications in the field of asphalt pavement technology, as presented by leading international researchers and engineers at the 5th International Symposium on Asphalt Pavements & Environment (ISAP 2019 APE Symposium), held in Padua, Italy on September 11-13, 2019. It covers a diverse range of topics concerning materials and technologies for asphalt pavements, designed for sustainability and environmental compatibility: sustainable pavement materials, marginal materials for asphalt pavements, pavement structures, testing methods and performance, maintenance and management methods, urban heat island mitigation, energy harvesting, and Life Cycle Assessment. The contributions, which were selected by means of a rigorous international peer-review process, present a wealth of exciting ideas that will open novel research directions and foster multidisciplinary collaboration among different specialists.
Book Synopsis Development and Application of Bituminous Materials for Civil Infrastructures by : Hui Yao
Download or read book Development and Application of Bituminous Materials for Civil Infrastructures written by Hui Yao and published by Frontiers Media SA. This book was released on 2021-10-22 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Polymernanocomposites. Processing, Performance and Application by : Jitendra K. Pandey
Download or read book Handbook of Polymernanocomposites. Processing, Performance and Application written by Jitendra K. Pandey and published by Springer Science & Business Media. This book was released on 2014-01-02 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume A of Handbook of Polymer Nanocomposites deals with Layered Silicates. In some 20 chapters the preparation, architecture, characterisation, properties and application of polymer nanocomposites are discussed by experts in their respective fields
Book Synopsis Frontier Research: Road and Traffic Engineering by : Teik-Hua Law
Download or read book Frontier Research: Road and Traffic Engineering written by Teik-Hua Law and published by CRC Press. This book was released on 2022-11-01 with total page 937 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers resulting from the 2020 International Conference on Road and Traffic Engineering (CRTE 2020) covering Road Engineering and Traffic Engineering, aiming to provide an academic and technical communication platform for scholars and engineers engaged in scientific research and engineering practice in the field of Road Engineering and Materials, Traffic Engineering and Management and Transportation Engineering. By sharing the research status of scientific research achievements and cutting-edge technologies, it helps scholars and engineers all over the world to comprehend the academic development trends and broaden research ideas. So as to strengthen international academic research, academic topics exchange and discussion, and promote the industrialization cooperation of academic achievements.
Book Synopsis Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements by : Xueyan Liu
Download or read book Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements written by Xueyan Liu and published by CRC Press. This book was released on 2021-12-24 with total page 825 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements contains 124 papers from 14 different countries which were presented at the 5th International Symposium on Frontiers of Road and Airport Engineering (IFRAE 2021, Delft, the Netherlands, 12-14 July 2021). The contributions focus on research in the areas of "Circular, Sustainable and Smart Airport and Highway Pavement" and collects the state-of-the-art and state-of-practice areas of long-life and circular materials for sustainable, cost-effective smart airport and highway pavement design and construction. The main areas covered by the book include: • Green and sustainable pavement materials • Recycling technology • Warm & cold mix asphalt materials • Functional pavement design • Self-healing pavement materials • Eco-efficiency pavement materials • Pavement preservation, maintenance and rehabilitation • Smart pavement materials and structures • Safety technology for smart roads • Pavement monitoring and big data analysis • Role of transportation engineering in future pavements Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements aims at researchers, practitioners, and administrators interested in new materials and innovative technologies for achieving sustainable and renewable pavement materials and design methods, and for those involved or working in the broader field of pavement engineering.
Book Synopsis SBS Polymer Modified Asphalt Binder and Its Implications on Overlay Design by : PC. Hopman
Download or read book SBS Polymer Modified Asphalt Binder and Its Implications on Overlay Design written by PC. Hopman and published by . This book was released on 1992 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Substantially improved overlay mixes, required by the modern road industry should be highly resistent to reflection cracking. The mix must contribute significantly to the stiffness of the pavement, even when it is applied in relatively thin layers. The binder should possess a high softening temperature to reduce the sensitivity for rutting and corrugation, and it should have a reasonable penetration value to minimize the chances of cracking. In this paper attention is paid to the manner SBS polymer modified asphalt binders cope with this set of requirements. The basic principles of this modification are outlined and emphasis is laid on the rheological and mechanical properties: viscosity and penetration test results are presented. Burgers' model for viscoelastic materials is used in an attempt to describe the visco elasticy. Results of indirect tensile tests are reported, including the tensile strengths and the elastic moduli. Repeated loading tests have been done on polymer modified and plain asphaltic concrete mixes. The results are mutually compared concerning fatigue behaviour, elastic moduli and crack propagation characteristics. The paper describes various trial sections, with special attention to comparative tests carried out in an Australian accelerated loading facility.
Book Synopsis Ageing and the Glass Transition by : Malte Henkel
Download or read book Ageing and the Glass Transition written by Malte Henkel and published by Springer. This book was released on 2007-04-11 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding cooperative phenomena far from equilibrium is one of the fascinating challenges of present-day many-body physics. Glassy behaviour and the physical ageing process of such materials are paradigmatic examples. The present volume, primarily intended as introduction and reference, collects six extensive lectures addressing selected experimental and theoretical issues in the field of glassy systems.
Book Synopsis Fundamental Studies on Styrene-butadiene-styrene Polymer Modified Road Bitumens by : Xiaohu Lu
Download or read book Fundamental Studies on Styrene-butadiene-styrene Polymer Modified Road Bitumens written by Xiaohu Lu and published by . This book was released on 1996 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rutting-Resistance Performance of SBS and Anti-Rutting Additive Composite-Modified Asphalt-Concrete Mixtures by : W. Cao
Download or read book Rutting-Resistance Performance of SBS and Anti-Rutting Additive Composite-Modified Asphalt-Concrete Mixtures written by W. Cao and published by . This book was released on 2016 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: To improve the rutting resistance of the middle hot-mix asphalt (HMA) surface layer, composite modification of asphalt-concrete (AC) mixture by styrene-butadiene-styrene (SBS) and anti-rutting additive (ARA) was studied. First, the wheel-tracking test, bending test, and indirect tensile test were conducted to evaluate the effect of three dosages of ARA on the high-temperature performance, low-temperature performance, and moisture susceptibility of SBS-modified AC mixture and the optimum dosage of ARA was determined. Then the high-temperature rutting-resistance performance of composite-modified AC mixtures was studied through the dynamic modulus test and uniaxial creep test. The results showed that the high-temperature performance of composite-modified AC mixture was significantly improved, but the low-temperature performance and moisture susceptibility were slightly declined compared to the control mixture (SBS-modified AC mixture without ARA). The values of E*/sin? of composite-modified AC mixture were larger than those of the control mixture at various test temperatures and loading frequencies. The values of permanent deformation and creep rate of composite-modified AC mixtures were smaller than those of the control mixture. In conclusion, composite-modified AC mixture has excellent high-temperature stability.
