Gibraltar's rock secured from collapse

Article Abstract:

British arm of the ground engineering and environmental science services firm Golder Associates has taken steps to halt deterioration of the Rock of Gibraltar and to prevent future damage. According to Stewart Lightbody, an associate in Golder's maidenhead the optimum way to stabilize the cliff face is with reinforced shotcrete facing that uses steel rods up to 8m in length as soil nails which are inserted into holes drilled into the limestone and shale to hold the rock face in place.

United Kingdom, Gibraltar, Analysis, Environmental aspects, Protection and preservation, Rock deformation, Rock mechanics

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Arch bridge uses posttensioned concrete girders

Article Abstract:

The Martin Luther King, Jr., Parkway Bridge, in down-town Des Moines, Iowa features an innovative design that incorporates high-performance posttensioned concrete instead of conventional steel tie girders. The Des Moines office of Earth Tech designed the twin-ribbed tied-arch bridge to feature concrete ties as a safety measure and a multiple independent steel posttensioning strand that provides additional redundancy and prevent collapsing.

Nonmetallic Mineral Product Manufacturing, STONE, CLAY, AND GLASS PRODUCTS, Construction Materials, Iowa, Evaluation, Building materials, Bridges, Bridges (Structures)

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Olympic swimming center mimics bubble structure

Article Abstract:

Beijing's National Swimming Centre features a bubble design that has earned it the nickname Water Cube. This project will be completed in 2006 and will be the largest Olympic swimming facility ever constructed, encompassing more than 70,000m(super 2) of floor space and five pools, and its outline will complement the curves of the Beijing Olympic Stadium

Japan, Fitness and Recreational Sports Centers, Membership sports & recreation clubs, Other Amusement and Recreation Industries, Swimming Clubs, Sports clubs, Structure

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