A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
1) The Dick Savitt Tennis Centre (New York) is a large, permanent, air-supported indoor structure, 111 by 38 m. The site's enormously challenging site soil conditions and constricted footprint dictated a fabric structure. This posed a challenge to improving the site for a new facility. The university chose a ready geotechnical improvement approach - geotextiles, vapour barriers, and post-tensioned pavement slab - and an air-supported facility. The ground below the proposed new courts was excavated and stabilized with geotextile fabrics and geogrids. An aggregate base and finish course of sand were placed over compacted fill. The court pavement was constructed from post-tensioned concrete slabs. 2) The 200 million gallon Big Canyon Reservoir in Corona del Mar (Calif.) is being lined with reinforced polypropylene geomembrane. The facility serves water to Newport Beach. Historically, the reservoir has been plagued by problems common to uncovered reservoirs: turbidity and taste and odour problems associated with algae growth. The rehabilitation project called for the reservoir to be fitted with a specially formulated polypropylene floating cover. The floating cover system - CoolPro from Cooley Engineered Membranes - was fabricated from a 60 mil polypropylene composite membrane. The reservoir was also fitted with a 45 mil polypropylene chaffer strip around its sides, which is anchored to the reservoir's concrete floor. The chaffer strip protects the cover from excessive wear due to movement of the cover as a result of fluctuating water levels.
1) The Dick Savitt Tennis Centre (New York) is a large, permanent, air-supported indoor structure, 111 by 38 m. The site's enormously challenging site soil conditions and constricted footprint dictated a fabric structure. This posed a challenge to improving the site for a new facility. The university chose a ready geotechnical improvement approach - geotextiles, vapour barriers, and post-tensioned pavement slab - and an air-supported facility. The ground below the proposed new courts was excavated and stabilized with geotextile fabrics and geogrids. An aggregate base and finish course of sand were placed over compacted fill. The court pavement was constructed from post-tensioned concrete slabs. 2) The 200 million gallon Big Canyon Reservoir in Corona del Mar (Calif.) is being lined with reinforced polypropylene geomembrane. The facility serves water to Newport Beach. Historically, the reservoir has been plagued by problems common to uncovered reservoirs: turbidity and taste and odour problems associated with algae growth. The rehabilitation project called for the reservoir to be fitted with a specially formulated polypropylene floating cover. The floating cover system - CoolPro from Cooley Engineered Membranes - was fabricated from a 60 mil polypropylene composite membrane. The reservoir was also fitted with a 45 mil polypropylene chaffer strip around its sides, which is anchored to the reservoir's concrete floor. The chaffer strip protects the cover from excessive wear due to movement of the cover as a result of fluctuating water levels.
Projects that create enclosure
Projekte zur Schaffung von geschlossenen Räumen mit Geokunststoffen
Wright, Bruce N. (author)
2005
2 Seiten, 3 Bilder
Article (Journal)
English
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