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Author :
Publisher :
ISBN 13 :
Total Pages : 99 pages
Book Rating : 4.:/5 (641 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 99) written by and published by . This book was released on 1999 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hani G. Melhem
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.3/5 (555 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 99) written by Hani G. Melhem and published by . This book was released on 2000 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the experimental investigation related to four experiments selected by the Midwest States Accelerated Testing Pooled Funds Program for FY 97 and FY 98. These experiments are: (1) ATL-97-1: Comparison of SM-2C and BM-2C Asphalt Overlays on Existing Portland Cement Concrete Pavement (PCCP); (2) ATL-97-2: Comparison of PCCP jointed slabs with Fiber Reinforced Polymer (FRP) and epoxy-coated steel dowels; (3) ATL-98-1: Comparison of an 8 in. (203 mm)-thick Asphalt Concrete (AC) with 5 in. (127 mm) AC on 5 in. (127 mm) Reclaimed Asphalt Pavement (RAP); and (4) ATL-98-2: Performance of a rehabilitation of the pavement sections of the experiment in (3). The report contains a discussion of the various experimental activities, a detailed description of the experiments and a summary of the results obtained. The report includes an overview of the facility followed by the accomplishments pertaining to the individual experiments (one chapter for each experiment).
Author :
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.3/5 (555 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2003) written by and published by . This book was released on 2008 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Midwest States Accelerated Pavement Testing Pooled Fund Program, financed by the highway departments of Missouri, Iowa, Kansas and Nebraska, has supported an accelerated pavement testing (APT) project to compare the performance of stabilized clayey embankment soil when Portland cement, fly ash, lime and a commercial product were used as stabilizing agents. The project aimed to improve the practices related to the design of flexible pavements when the top of the subgrade is improved by chemical stabilization. The experiments were conducted at the Civil Infrastructure Systems Laboratory (CISL) of Kansas State University. The test program consisted of constructing four flexible pavement structures and subjecting them to full-scale accelerated loading test. The study indicated that cement and lime are the most effective stabilizers for the studied soil. These stabilizers resulted in lower vertical compressive stresses at the top of the subgrade and lower rut depth at the pavement surface than the fly ash-treated soil. After more than two million axle load repetitions, the pavement with cement stabilized embankment soil exhibited much less surface cracking than the pavement with fly-ash stabilized embankment. The commercial product proved not to be effective in stabilizing the non-sulfate clayey soil used in this experiment, when the embankment is constructed at the same moisture content and compaction level as for the other three chemicals. The unconfined compression strength measured on laboratory prepared samples of soil stabilized with the commercial chemical compound was very similar to that of the untreated soil.
Author : Hani G. Melhem
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (1 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2000) written by Hani G. Melhem and published by . This book was released on 2003 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the research was to compare the performance of fiber reinforced and plain Portland Cement Concrete (PCC) overlay when used as a thin non-dowelled overlay on top of a rubblized, distressed concrete pavement. The experiment was conducted at the Accelerated Testing Laboratory at Kansas State University, and consisted of constructing two pavements and subjecting them to full-scale accelerated pavement test. The pavements were constructed in the environmental pit so that heat-cool temperature cycles were imposed. The two pavements were subjected to 500,000 full-truck axle passes. Stresses and strains at several locations in the two pavements, as well as the expansion/contraction of the slabs, were periodically recorded during the test. The stress-strain data, as well as the location, severity and extent of the cracking in the overlay, clearly indicate that there is no benefit of including the plastic fibers in the concrete overlay. The full-scale accelerated test revealed that the thin non-dowelled overlays are effective when used on top of distressed, rubblized concrete pavements.
Author : Hani G. Melhem
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (1 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2001) written by Hani G. Melhem and published by . This book was released on 2003 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stefan Romanoschi
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (1 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2002) written by Stefan Romanoschi and published by . This book was released on 2004 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report covers the Fiscal Year 2002 project conducted at the Accelerated Testing Laboratory at Kansas State University. The project was selected and funded by the Midwest Accelerated Testing Pooled Fund Program, which includes Iowa, Kansas, Missouri and Nebraska. The objective of this research was to determine the effectiveness of the use of foamed asphalt stabilized Recycled Asphalt Pavement from full-depth reclamation (FAS-FDR) as base material for flexible pavements. The experiment consisted of constructing four pavements, one with a 9-in. conventional Kansas AB-3 granular base and three with 6-, 9-, and 12-in. FAS-FDR, and subjecting them to full-scale accelerated pavement test.
Author :
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (759 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2002) written by and published by . This book was released on 2003 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report covers the Fiscal Year 2002 project conducted at the Accelerated Testing Laboratory at Kansas State University. The project was selected and funded by the Midwest States Accelerated Testing Pooled Fund Program, which includes Iowa, Kansas, Missouri and Nebraska.
Author : David Jones
Publisher : CRC Press
ISBN 13 : 0203073010
Total Pages : 560 pages
Book Rating : 4.2/5 (3 download)
Download or read book Advances in Pavement Design through Full-scale Accelerated Pavement Testing written by David Jones and published by CRC Press. This book was released on 2012-10-08 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pack: Book and CDInternationally, full-scale accelerated pavement testing, either on test roads or linear/circular test tracks, has proven to be a valuable tool that fills the gap between models and laboratory tests and long-term experiments on in-service pavements. Accelerated pavement testing is used to improve understanding of pavement behavior,
Author :
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (759 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2003) written by and published by . This book was released on 2008 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Midwest States Accelerated Pavement Testing Pooled Fund Program, financed by the highway departments of Missouri, Iowa, Kansas and Nebraska, has supported an accelerated pavement testing (APT) project to compare the performance of stabilized clayey embankment soil when Portland cement, fly ash, lime and a commercial product were used as stabilizing agents.
Author : J. B. Metcalf
Publisher : Transportation Research Board
ISBN 13 : 9780309060080
Total Pages : 120 pages
Book Rating : 4.0/5 (6 download)
Download or read book Application of Full-scale Accelerated Pavement Testing written by J. B. Metcalf and published by Transportation Research Board. This book was released on 1996 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis, which describes the state of the practice for full- scale accelerated pavement testing (APT), will be of interest to state department of transportation (DOT) pavement design and materials engineers; DOT research staff, including field and laboratory materials testing personnel; and private industry APT equipment suppliers. State DOT administration and management personnel will have a particular interest in the application of APT results toward more efficient and effective pavement designs. Local transportation agencies may also have an interest in the topic. This synthesis reviews the capabilities and limitations of the major APT facilities available worldwide and describes the role and application of full-scale accelerated pavement testing in the development of pavement technology. This report of the Transportation Research Board (TRB) presents data obtained from a review of the literature and a survey of the state DOTs, Canadian transportation agencies, and international organizations. A brief historical overview of APT, a discussion of the application of APT to research, and the application of APT to practice are included. Profiles of APT facilities throughout the world are included in an appendix.
Author : Hani G. Melham
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (759 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2002) written by Hani G. Melham and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Midwest States Accelerated Pavement Testing Pooled Fund Program, financed by the highway departments of Missouri, Iowa, Kansas and Nebraska, has supported an accelerated pavement testing (APT) project to compare the performance of stabilized clayey embankment soil when Portland cement, fly ash, lime and a commercial product were used as stabilizing agents. The project aimed to improve the practices related to the design of flexible pavements when the top of the subgrade is improved by chemical stabilization. The experiments were conducted at the Civil Infrastructure Systems Laboratory (CISL) of Kansas State University. The test program consisted of constructing four flexible pavement structures and subjecting them to full-scale accelerated loading test. The study indicated that cement and lime are the most effective stabilizers for the studied soil. These stabilizers resulted in lower vertical compressive stresses at the top of the subgrade and lower rut depth at the pavement surface than the fly ash-treated soil. After more than two million axle load repetitions, the pavement with cement stabilized embankment soil exhibited much less surface cracking than the pavement with fly-ash stabilized embankment. The commercial product proved not to be effective in stabilizing the non-sulfate clayey soil used in this experiment, when the embankment is constructed at the same moisture content and compaction level as for the other three chemicals. The unconfined compression strength measured on laboratory prepared samples of soil stabilized with the commercial chemical compound was very similar to that of the untreated soil.
Author : Wynand JvdM. Steyn
Publisher : Transportation Research Board
ISBN 13 : 0309223660
Total Pages : 257 pages
Book Rating : 4.3/5 (92 download)
Download or read book Significant Findings from Full-scale Accelerated Pavement Testing written by Wynand JvdM. Steyn and published by Transportation Research Board. This book was released on 2012 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 433: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes significant findings from the various experimental activities associated with full-scale accelerated pavement testing (f-sAPT) programs that have taken place between 2000 and 2011. The report also identifies gaps in knowledge related to f-sAPT and where future research may be needed. NCHRP Synthesis 433 is designed to expand the f-sAPT base of knowledge documented in NCHRP Syntheses 325 and 235, both with the same title of Significant Findings from Full-Scale Accelerated Pavement Testing. f-sAPT is the controlled application of a wheel loading, at or above the appropriate legal load limit, to a pavement system to determine pavement response in a compressed time period. The acceleration of damage is achieved by one or more of the following factors: increased repetitions, modified loading conditions, imposed climatic conditions, and thinner pavements with a decreased structural capacity which have shorter design lives"--
Author : Frederick Hugo
Publisher : Transportation Research Board
ISBN 13 : 0309069742
Total Pages : 213 pages
Book Rating : 4.3/5 (9 download)
Download or read book Significant Findings from Full-scale Accelerated Pavement Testing written by Frederick Hugo and published by Transportation Research Board. This book was released on 2004 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 325: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes the findings from the various experimental activities associated with full-scale accelerated pavement testing programs.
Author :
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (694 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2002) written by and published by . This book was released on 2009 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: The thirteenth full-scale Accelerated Pavement Test (APT) experiment at the Civil Infrastructure Laboratory (CISL) of Kansas State University aimed to determine the response and the failure mode of thin concrete overlays. Four pavement structures were built and tested in this experiment: two Thin Concrete Overlays (TCO) pavements, with 4-inch and 6-inch thick overlays constructed on a 5-inch thick PCCP and two Thin Whitetopping (TWT) pavements, with 4-inch and 6-inch thick PCC overlays constructed on a 5-inch hot-mix asphalt layer. The pavements were instrumented to measure the strains at selected locations in each PCC overlay. Each of the four pavements was loaded with approximately two million passes of the CISL APT machine, under in-door ambient temperature condition. No moisture was added to the pavements. Response measurements and performance evaluations were performed at about every 100,000 passes. The TCO overlays failed due to the loss of support underneath the concrete slab which caused transverse cracks to develop in both 4- and 6-inch PCC overlays. No loss of bond between the PCC overlay and the supporting slab was observed. The 4-inch TWT exhibited a transverse crack at the middle of the slab, while the 6-inch TWT exhibited no cracks at the end of testing. The theoretical strains in the concrete overlays at the locations where instrumentation was installed were computed with the ANSYS Finite Element Method (FEM) software. It was found that the magnitude and shape of computed strains matched well with those of the strains measured before any APT loads were applied. It was, therefore, concluded that the three-dimensional finite element model built and the assumption made (linear elastic materials, fully bonded overlays) can accurately estimate the response of TWT and TCO pavements under wheel loading. In addition, the FEM can be used to estimate the evolution of lineal extent of the loss of support under the joints by comparing the measured strains with the corresponding computed strains.
Author : Le Corbusier
Publisher :
ISBN 13 : 9783760880167
Total Pages : 221 pages
Book Rating : 4.8/5 (81 download)
Download or read book Oeuvre complète written by Le Corbusier and published by . This book was released on 1991 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : José P. Aguiar-Moya
Publisher : Springer
ISBN 13 : 3319427970
Total Pages : 877 pages
Book Rating : 4.3/5 (194 download)
Download or read book The Roles of Accelerated Pavement Testing in Pavement Sustainability written by José P. Aguiar-Moya and published by Springer. This book was released on 2016-09-15 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: This compendium gathers the latest advances in the area of Accelerated Pavement Testing (APT), a means of testing full-scale pavement construction in an accelerated manner for structural deterioration in a very short term. Compiling novel research results presented at the 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, the volume serves as a timely and highly relevant resource for materials scientists and engineers interested in determining the performance of a pavement structure during its service life (10+ years) in a few weeks or months.
Author : Stefan Anton Romanoschi
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (317 download)
Download or read book Accelerated Testing for Studying Pavement Design and Performance (FY 2004) written by Stefan Anton Romanoschi and published by . This book was released on 2009 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The thirteenth full-scale Accelerated Pavement Test (APT) experiment at the Civil Infrastructure Laboratory (CISL) of Kansas State University aimed to determine the response and the failure mode of thin concrete overlays. Four pavement structures were built and tested in this experiment: two Thin Concrete Overlays (TCO) pavements, with 4-inch and 6-inch thick overlays constructed on a 5-inch thick PCCP and two Thin Whitetopping (TWT) pavements, with 4-inch and 6-inch thick PCC overlays constructed on a 5-inch hot-mix asphalt layer. The pavements were instrumented to measure the strains at selected locations in each PCC overlay. Each of the four pavements was loaded with approximately two million passes of the CISL APT machine, under in-door ambient temperature condition. No moisture was added to the pavements. Response measurements and performance evaluations were performed at about every 100,000 passes. The TCO overlays failed due to the loss of support underneath the concrete slab which caused transverse cracks to develop in both 4- and 6-inch PCC overlays. No loss of bond between the PCC overlay and the supporting slab was observed. The 4-inch TWT exhibited a transverse crack at the middle of the slab, while the 6-inch TWT exhibited no cracks at the end of testing. The theoretical strains in the concrete overlays at the locations where instrumentation was installed were computed with the ANSYS Finite Element Method (FEM) software. It was found that the magnitude and shape of computed strains matched well with those of the strains measured before any APT loads were applied. It was, therefore, concluded that the three-dimensional finite element model built and the assumption made (linear elastic materials, fully bonded overlays) can accurately estimate the response of TWT and TCO pavements under wheel loading. In addition, the FEM can be used to estimate the evolution of lineal extent of the loss of support under the joints by comparing the measured strains with the corresponding computed strains"--Technical report documentation page.
