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
Background As the largest city in the state of Jalisco, Guadalajara, the “most Mexican of the Mexican cities,” is renowned for it’s high-tech economy as well as being a major trade and tourist destination centre of which the bustling municipality, Zapopan, is the busiest and most popular among tourists and developers. The vibrant housing market … Read More
Background The Seattle Iron & Metals scrap metal yard is subject to extreme abrasion from bucket loaders feeding an automobile shredder. In 1999, the existing site was paved with 3 inches of asphalt capped with 12 inches of standard concrete pavement. Railroad tracks were set into the concrete so that loader buckets would rest on … Read More
Background Wellington (New Zealand’s capital) is situated alongside Wellington Harbour and is home to many museums, theatres and arts festivals and is a leading centre for creative industries, such as film and computer technology. It is also the new location for the New Zealand Stock Exchange (NZX) which is situated inside the historic Odlins building … Read More
Background In 1999, American Airlines began construction on a USD 1.4 billion terminal complex on the area of 200,000 square kilometres (50,000 acres) to replace Terminals 8 and 9 at New York’s JFK International Airport. Scheduled to be completed in 2007, the complex was meant to serve domestic and international passengers on three concourses and … Read More
Background The Russian Orthodox Church of The Holy Trinity stands beautiful and leak-free, sixty-nine years after it was first built (traditional Byzantine architectural style) in the East New York section of Brooklyn in 1935. It is well known for its unique, colorful and valuable wall paintings. In the summer of 2003, there was great concern … Read More
Background As the major passageway connecting Kunming, the capital city of Yunnan Province, with the South West area of the province, Yuanmo Highway is playing an important role of enabling the province a sustainable economic growth. With two tunnels to separate traffic flow from each direction and each tunnel having two lanes, the 6597 meter long … Read More
Background A villa swimming pool in Mamzar (Dubai) required a waterproofing system that would stop severe leakage due to tremendous hydrostatic pressure. Several previous attempts were made to stop the leaks with various repair materials. However, none were able to withstand the strong hydrostatic pressure. Solution In November 2003, GST was contracted to supply the … Read More
Background A conventional external waterproofing membrane was specified for this Fire Vehicle Repair Facility but during construction concern grew for potential leakage. Many details in the below grade concrete such as mechanics’ trenches, hoist pits and sump pits proved to be difficult for conventional membrane installation. Also, poor soil conditions in high water table areas … Read More
Background A state of the art office building with shops and restaurants, the Greater London Authority Building is also home to the Major’s office along the Thames River, next to the Tower of London. The underground concrete tunnels and transformer room were constructed using conventional waterproofing systems but leaks occurred through the cold joints and … Read More
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