Tunnel

Background New Zealand’s Manukau region is the busiest police district in the country. When considering the design of their new headquarters, the New Zealand Police knew that they needed to take advantage of the proximity of the site to the Courthouse which was directly across the street. With both facilities expected to be stressed beyond … Read More

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 One of Korea’s largest retail establishments, Shinsegae Co., Ltd. recently constructed its new flagship store in Seoul’s upscale Myongdong commercial district. As part of the renovations, a 60 meter (196.8 feett) pedestrian tunnel was built to connect the Shinsegae retail store to the Hoehyun Subway Station, and a 20-meter (65.6 feet) passageway was created to link … 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 pedestrian walking tunnel in a very busy, industrial area of Buenos Aires required a waterproofing system for the concrete that would last many years. There was particular concern over the aggressive contaminants in the ground water common to the area. Solution The Krystol Internal Membrane (KIM) admixture was supplied by Kryton’s Argentinian distributor, … Read More

Background In 1998 the City of Prague began construction on a connecting bridge to one of the most important tunnels in the Czech Republic, the Tunnel Mrazovka, which is part of the speedway that rings Prague. The city required materials that would enhance concrete beyond its natural capability for reduced cracking and resistance to water … Read More

Background The 126 km (78 mile) long water pipeline runs through a combination of mountainous terrain, swamps and dry desert conditions. KIM was used to waterproof and prevent corrosion of reinforcing steel. KIM was also applied to protect it against sulfate attack and guard the steel against water-soluble contaminants. Solution The pipes consist of a … Read More

Background In 1985 the 10.8 kilometer (7 mile) stretch of Hanzomon Subway was constructed several meters below grade. During initial construction a 1” (2.5 cm) rubberized sheet membrane was installed as specified by engineers to provide the waterproofing protection required. Within one year the membrane system had failed in several places and was allowing water to … Read More