A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Geotextile temporary retaining walls in highway reconstruction
In the spring of 2000, the structure of a conventional concrete bridge at Highway 24 in Canada went into serious distress when the footings failed due to a lack in bearing capacity below the footing. The local municipality charged an engineering consulting firm to assist in the planning, design and project management of a replacement structure. To aid in the construction of the detours, the firm proposed the construction of two temporary retaining walls using high-strength woven polypropylene geotextiles. These temporary walls are built using two components, granular backfill and Geolon HP570 (Armtec HS1400), a high-strength woven geotextile produced by TC Mirafi. The geotextile serves the reinforcing component of the wall and, when wrapped at the face, acts as the fascia to retain the fill material. Each of the two geotextile temporary walls was required to perform for about two months. Under sustained highway loading, the walls performed as expected with no movement or deformation. By incorporating the geotextile temporary walls, the cost of construction was significantly reduced and the speed of construction increased.
Geotextile temporary retaining walls in highway reconstruction
In the spring of 2000, the structure of a conventional concrete bridge at Highway 24 in Canada went into serious distress when the footings failed due to a lack in bearing capacity below the footing. The local municipality charged an engineering consulting firm to assist in the planning, design and project management of a replacement structure. To aid in the construction of the detours, the firm proposed the construction of two temporary retaining walls using high-strength woven polypropylene geotextiles. These temporary walls are built using two components, granular backfill and Geolon HP570 (Armtec HS1400), a high-strength woven geotextile produced by TC Mirafi. The geotextile serves the reinforcing component of the wall and, when wrapped at the face, acts as the fascia to retain the fill material. Each of the two geotextile temporary walls was required to perform for about two months. Under sustained highway loading, the walls performed as expected with no movement or deformation. By incorporating the geotextile temporary walls, the cost of construction was significantly reduced and the speed of construction increased.
Geotextile temporary retaining walls in highway reconstruction
Temporäre Geotextil-Stützwände bei der Rekonstruktion einer Autobahn
Lowry, D. (author) / Henderson, J. (author)
Geotechnical Fabrics Report ; 19 ; 28-32
2001
5 Seiten, 6 Bilder
Article (Journal)
English
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