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A platform for research: civil engineering, architecture and urbanism
The effect of geogrid reinforcement on unbound aggregates
Geogrid reinforcement into unbound aggregate in most cases will improve the performance of the unbound aggregate portion of a transportation support. Unfortunately, the optimal location and number of geogrid layers have not been established. The purpose of the research was to investigate the use of geogrid reinforcement in layered aggregates for several different construction method alternatives below a loaded surface footing. The aggregates used in this investigation involved a rounded aggregate and a crushed aggregate of the same mineralogy. These aggregates represented a week and strong aggregate, respectively. Both static and repeated loading tests were carried out on each of three different deposit constructions. For each construction method in which data was obtained a numerical analysis was performed. The numerical method used was the finite element analysis outlined by Duncan and Chang. The advantages of the different construction methods are studied and field applications are discussed. Finally, conclusions are made regarding the optimal position of the geogrid reinforcement.
The effect of geogrid reinforcement on unbound aggregates
Geogrid reinforcement into unbound aggregate in most cases will improve the performance of the unbound aggregate portion of a transportation support. Unfortunately, the optimal location and number of geogrid layers have not been established. The purpose of the research was to investigate the use of geogrid reinforcement in layered aggregates for several different construction method alternatives below a loaded surface footing. The aggregates used in this investigation involved a rounded aggregate and a crushed aggregate of the same mineralogy. These aggregates represented a week and strong aggregate, respectively. Both static and repeated loading tests were carried out on each of three different deposit constructions. For each construction method in which data was obtained a numerical analysis was performed. The numerical method used was the finite element analysis outlined by Duncan and Chang. The advantages of the different construction methods are studied and field applications are discussed. Finally, conclusions are made regarding the optimal position of the geogrid reinforcement.
The effect of geogrid reinforcement on unbound aggregates
Einfluß einer Geogitterverstärkung auf ungebundene Aggregate in Verkehrswegen
Raymond, G. (author) / Ismail, I. (author)
Geotextiles and Geomembranes ; 21 ; 355-380
2003
26 Seiten, 10 Bilder, 2 Tabellen, 51 Quellen
Article (Journal)
English
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