Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study of Open Graded Base Course Performance
The Nevada DOT extended 1-395 in Reno, Nevada six miles to the south toward Carson City, in 1995. The new roadway incorporated and open graded asphalt concrete layer beneath a 25 cm Portland cement concrete pavement. The existing pavement consisted of 24 cm PCC over a 15 cm cement stabilized base course. As the U.S. Army Corps of Engineers had recently adopted the use of drainage layers on essentially all new pavements, this project provided an opportunity to gain 'real world' performance data on the new design. This report represents the result of a 5-year cooperative study between the U.S. Army Corp Regions Research and Engineering Laboratory (CRREL) and the Nevada DOT. It compares the existing pavement performance with no open graded drainage layer to the performance of the new cross-section. The open graded drainage layer was thought to perform as an insulated layer which would affect the thermal characteristics of the pavement cross section, i.e. possible differential icing conditions of 0 degrees C and possibly affect the rate of pavement deterioration by accelerating the need for maintenance.
Study of Open Graded Base Course Performance
The Nevada DOT extended 1-395 in Reno, Nevada six miles to the south toward Carson City, in 1995. The new roadway incorporated and open graded asphalt concrete layer beneath a 25 cm Portland cement concrete pavement. The existing pavement consisted of 24 cm PCC over a 15 cm cement stabilized base course. As the U.S. Army Corps of Engineers had recently adopted the use of drainage layers on essentially all new pavements, this project provided an opportunity to gain 'real world' performance data on the new design. This report represents the result of a 5-year cooperative study between the U.S. Army Corp Regions Research and Engineering Laboratory (CRREL) and the Nevada DOT. It compares the existing pavement performance with no open graded drainage layer to the performance of the new cross-section. The open graded drainage layer was thought to perform as an insulated layer which would affect the thermal characteristics of the pavement cross section, i.e. possible differential icing conditions of 0 degrees C and possibly affect the rate of pavement deterioration by accelerating the need for maintenance.
Study of Open Graded Base Course Performance
R. Eaton (Autor:in) / G. Trachler (Autor:in) / L. Barna (Autor:in)
2001
96 pages
Report
Keine Angabe
Englisch
Highway Engineering , Construction Equipment, Materials, & Supplies , Transportation , Pavement bases , Concrete pavements , Portland cements , Asphalt pavements , Roads and highways , Nevada , Performance testing , Drainage , Deicers , Army Corps of Engineers , Road maintenance , Ice prevention , Reno(Nevada) , Carson City(Nevada)
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