(1) the volume of freshly mixed concrete produced from a known quantity of ingredients; (2) the total mass of ingredients divided by the densitymass of the freshly mixed concrete; (3) the number of units produced per bag of cement or per batch of concre
the first engineering stress in a test in which stresses and strains are determined for a material that exhibits the phenomenon of discontinuous yielding, of which an increase in strain occurs without an increase in stress.
the stress at which a material exhibits a specific limiting deviation fromthe proportionality of stress to strain.
Employing Waterproofing That Allows for the Maximum Building Footprint Background This six-story luxury boutique apartment building can be found in one of Toronto’s renowned neighborhoods in the east. Known as The Beaches or The Beach, this neighborhood features a number of elegant heritage buildings. Not to be outdone by these surrounding neighbors, however, the boutique … Read More
(1) a tie or clamping device around column forms or over the top ofwall or footing forms to keep them from spreading because of the lateral pressure of fresh concrete; (2) part of a structural assembly for slipforming that keeps the forms from spreading
Background In 2006, a superhighway project in Sichuan province, China, became a major focus for the government. Spanning more than 180 km (112 mile), the new expressway was developed to run along the Yangtze River from Sichuan’s capital city Chengdu to Leshan. Construction of the superhighway involved building five pairs of tunnels in a mountainous … Read More
Protecting the Zapotillo Dam with a More Durable and Sustainable Mix Background With Mexico still in need of a bigger drinking water supply, the Mexican government’s national water agency, Comisión Nacional del Agua (CONAGUA), proposed the creation of a new storage reservoir in Jalisco, Mexico. Known as the Zapotillo Dam, this project was designed to … Read More
Background The Zenith Corporate Park development in Kelana Jaya, Malaysia, is slated to be the city’s leading business centre. This nine acre (36,000 square meter), fully integrated commercial district is designed to accommodate Kelana Jaya’s expanding commercial activities. Through its combination of residential units, office facilities and retail spaces; it will offer residents a one-stop … Read More
concrete of stiff or extremely dry consistency showing no measurable slump after removal of the slump cone. (See also slump and no-slump concrete.)
Background The Zhangjiang Hi-Tech Park located in Shanghai is a large technology park with over 110 research and development institutions and over 300 companies including large multi-nationals such as Citibank and SAP. At this particular building in the technology park, the originally installed waterproofing membrane had failed and leaks inside the walls were a problem. … Read More
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