Evaluation of Porous Pavements for Road Surfaces PDF Download
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Author: Krey Younger
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 94
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Book Description
Author: Krey Younger
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 94
Get Book Here
Book Description
Author: Krey Younger
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 96
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Book Description
Author: Krey Younger
Publisher:
ISBN:
Category : Pavements, Asphalt
Languages : en
Pages : 134
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Book Description
Author: Bruce Ferguson
Publisher: CRC Press
ISBN: 1420038435
Category : Nature
Languages : en
Pages : 600
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Book Description
Pavements are the most ubiquitous of all man-made structures, and they have an enormous impact on environmental quality. They are responsible for hydrocarbon pollutants, excess runoff, groundwater decline and the resulting local water shortages, temperature increases in the urban "heat island," and for the ability of trees to extend their roots in
Author: R. S. McDaniel
Publisher:
ISBN:
Category : Pavements, Asphalt
Languages : en
Pages : 31
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Book Description
This report summarizes the construction and early performance of a field trial of a Porous Friction Course (PFC) in Indiana. The PFC is compared to an adjacent section of Stone Matrix Asphalt (SMA) constructed at the same time using the same binder, coarse aggregate and fiber. Those mixes are also compared to a similar conventional Hot Mix Asphalt (HMA) surface constructed one to two months earlier. This evaluation shows that the PFC produces significantly lower noise levels than the HMA and SMA as measured by both the pass-by and close-proximity methods. The SMA produces higher noise levels than the HMA. The PFC also had the highest surface texture, as measured by the Circular Texture Meter; the HMA had the lowest texture. Data from the Circular Texture Meter and Dynamic Friction Tester were combined to determine the International Friction Index (FN60). The PFC provided the highest friction value, followed by the SMA. Both the PFC and SMA had substantially higher friction values than the HMA even though they were tested before opening the road to traffic. The friction values for the PFC and SMA are expected to increase after traffic wears away the binder film coating the protruding aggregate particles. The PFC also reduced splash and spray and improved visibility during rain events, as observed qualitatively. Long term performance of the PFC should be monitored to determine how long these benefits last, but initially the PFC appears to offer an efficient and economical way to reduce noise and maintain or even improve friction and visibility.
Author: ACI Committee 522
Publisher:
ISBN: 9780870313646
Category : Lightweight concrete
Languages : en
Pages : 38
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Book Description
"This report provides technical information on pervious concrete's application, design methods, materials, properties, mixture proportioning, construction methods, testing, and inspection. The term 'pervious concrete' typically describes a near-zero-slump, open-graded material consisting of portland cement, coarse aggregate, little or no fine aggregate, admixtures, and water." [p. 1]
Author: James Walls
Publisher:
ISBN:
Category : Life cycle costing
Languages : en
Pages : 128
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Book Description
This Interim Technical Bulletin recommends procedures for conducting Life-Cycle Cost Analysis (LCCA) of pavements, provides detailed procedures to determine work zone user costs, and introduces a probabilistic approach to account for the uncertainty associated with LCCA inputs.
Author: Robert A. Eaton
Publisher:
ISBN:
Category : Asphalt concrete
Languages : en
Pages : 0
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Book Description
Author: Paul D. Tennis
Publisher:
ISBN: 9780893122423
Category : Pavements, Concrete
Languages : en
Pages : 28
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Book Description
Author: Maurizio Crispino
Publisher: CRC Press
ISBN: 1000954900
Category : Technology & Engineering
Languages : en
Pages : 1066
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Book Description
Roads and Airports Pavement Surface Characteristics contains the papers presented at the 9th International Symposium on Pavement Surface Characteristics (SURF 2022, Milan, Italy, 12-14 September 2022). The symposium was jointly organized by the Italian company that manages Italy’s National Roads (ANAS –Ferrovie dello Stato Italiane Group), the World Road Association (PIARC) and Politecnico di Milano. The contributions aim to improve the quality of pavement surface characteristics while accomplishing efficiency, safety, sustainability, and addressing new generation mobility needs. The book covers topics from emerging research to engineering practice, and is divided in the following sections: Advanced and performing construction methods and equipment Next generation mobility Data monitoring and performance assessment Surface features and performances| Maintenance and preservation treatments Pavement management Economic and political strategies Safety and risk issues Minimizing road impacts Sustainability and performances issues about materials and design Pavements surfaces and urban heat islands Weather conditions impact Airport pavements Roads and Airports Pavement Surface Characteristics is of interest to academics, engineers and professionals in the fields of pavement engineering, transport infrastructure, and related disciplines.
