Seasonal Variations In Backcalculated Pavement Layer Moduli In Minnesota
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Author | : JM. Ovik |
Publisher | : |
Total Pages | : 15 |
Release | : 2000 |
Genre | : Environmental engineering |
ISBN | : |
Download Seasonal Variations in Backcalculated Pavement Layer Moduli in Minnesota Book in PDF, Epub and Kindle
Recent advances in flexible pavement design have prompted agencies to move toward the development and use of mechanistic-empirical (M-E) design procedures. The purpose of this paper is to analyze seasonal trends in flexible pavement layer moduli in order to calibrate a mechanistic-empirical design procedure specific to Minnesota. The relationships investigated were between climate factors, surface and subsurface conditions, and pavement material properties. The results presented focus on the base and subgrade layers and show that the layer moduli vary with the state of moisture in the pavement. The data used to develop this approach were collected from four flexible pavement Long Term Pavement Performance Seasonal Monitoring Program sites (LTPP SMP) and the Minnesota Road Research Project (Mn/ROAD). Temperature data are used in this study to characterize the severity of a winter and to approximate the onset of freezing and thawing cycles. Finally, seasonal trends in pavement layer moduli were quantified for use in an M-E design of flexible pavements.
Author | : Jill M. Ovik |
Publisher | : |
Total Pages | : 238 |
Release | : 2000 |
Genre | : Pavements |
ISBN | : |
Download Characterizing Seasonal Variations in Pavement Material Properties for Use in a Mechanistic-empirical Design Procedure Book in PDF, Epub and Kindle
Author | : Shiraz D. Tayabji |
Publisher | : ASTM International |
Total Pages | : 534 |
Release | : 2000 |
Genre | : Materials |
ISBN | : 0803128584 |
Download Nondestructive Testing of Pavements and Backcalculation of Moduli Book in PDF, Epub and Kindle
As with the previous two symposia, the 32 papers from the June/July, 1999, Seattle symposium present advances in the nondestructive testing of pavements using conventional falling weight deflectometer techniques and other promising techniques such as ground penetrating radar, rolling weight deflecto
Author | : |
Publisher | : |
Total Pages | : 288 |
Release | : 2006 |
Genre | : Pavements |
ISBN | : |
Download Material Characterization and Seasonal Variation in Material Properties Book in PDF, Epub and Kindle
Author | : David Paul Orr |
Publisher | : |
Total Pages | : 946 |
Release | : 2005 |
Genre | : |
ISBN | : |
Download Seasonal Variations of in Situ Materials Properties in New York State Book in PDF, Epub and Kindle
Author | : EO. Lukanen |
Publisher | : |
Total Pages | : 16 |
Release | : 2000 |
Genre | : Backcalculation |
ISBN | : |
Download Variations in Backcalculated Pavement Layer Moduli in LTPP Seasonal Monitoring Sites Book in PDF, Epub and Kindle
Seasonal variations in structural parameters were calculated from Falling Weight Deflectometer data on 25 LTPP flexible seasonal monitoring sections. In all, 23,976 deflection basins were analyzed. The deflection basins were collected monthly between the fall of 1993 and the spring of 1995. The test locations were distributed around North America from Saskatchewan to South Texas and from Idaho to Maine. The sections all consisted of asphalt surfacing and granular bases (and some granular subbases) over subgrades. Asphalt thicknesses ranged from 46 to 277\mm. Seasonal variations observed on selected sections in this database and documented in this paper include variations in asphaltic materials with temperature, variations in moduli of the unbound materials with precipitation, and variations in moduli of unbound materials due to freeze/thaw. For moderately thick to thick asphalt sections (>125 mm) the temperature dependency can clearly be seen in the deflection basins. As expected, this variation in deflections, and AC modulus is sinusoidal over the year. The amplitude of the sinusoidal variations were found to be heavily influenced by the thickness of the AC layer. Thicker AC sections exhibited higher sinusoidal variations. Base and subgrade values tended to be influenced by temperature but remained more consistent throughout the year except in cases where freezethaw effects were seen. During freeze conditions, the moduli of the unbound (base and subgrade) layers drastically increased.
Author | : Cheryl Allen Richter |
Publisher | : |
Total Pages | : |
Release | : 2002 |
Genre | : Pavements |
ISBN | : |
Download Seasonal Variations in the Moduli of Unbound Pavement Layers Book in PDF, Epub and Kindle
Author | : Albert Jasper Bush |
Publisher | : ASTM International |
Total Pages | : 701 |
Release | : 1989 |
Genre | : Kaldırımlar-Deneme |
ISBN | : 0803112602 |
Download Nondestructive Testing of Pavements and Backcalculation of Moduli Book in PDF, Epub and Kindle
Author | : Erol Tutumluer |
Publisher | : CRC Press |
Total Pages | : 1560 |
Release | : 2009-06-15 |
Genre | : Technology & Engineering |
ISBN | : 0203865286 |
Download Bearing Capacity of Roads, Railways and Airfields, Two Volume Set Book in PDF, Epub and Kindle
Bearing Capacity of Roads, Railways and Airfields focuses on issues pertaining to the bearing capacity of highway and airfield pavements and railroad track structures and provided a forum to promote efficient design, construction and maintenance of the transportation infrastructure. The collection of papers from the Eighth International Conference
Author | : Gary J. Wang |
Publisher | : |
Total Pages | : 390 |
Release | : 1995 |
Genre | : Pavements, Flexible |
ISBN | : |
Download Seasonal Variation of Flexible Pavement Backcalculated Moduli Book in PDF, Epub and Kindle