Civil

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 Several years ago, the City of Northfield, MN faced several challenges with its wastewater treatment plant. The Northfield Wastewater Treatment Facility, which serves the cities of Northfield and Dundas, had virtually outgrown its existing space. The plant was located on a small peninsula on Minnesota’s Cannon River, meaning there was virtually no space available … 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 Air Entrained Concrete In September 2003, Calgary Transit constructed an 92,666 ft2 (8,609 m2) addition to their bus barn facility involving 1,290 cubic meters of both air and non-air entrained abrasion resistant concrete. Abrasion resistant concrete was specified to withstand heavy wear of bus traffic. The bus barn entrance aprons specified 4% to 7% … Read More

Background SPS Septic Precast Specialties Inc. is a precast company specializing in septic tanks, grease traps, dosing tanks and pump tanks for the commercial and residential markets in Atlanta, GA. SPS is a progressive company that understands the need for improved environmental performance. SPS began testing of Krystol Concrete Waterproofing Systems in July 2002. Tanks are … Read More

Background The Palm Islands are the three largest man-made islands in the world. Construction on the “Eighth Wonder of the World” began in May, 2002 off the coast of Dubai. It is expected to be one of the world’s top tourist destinations. Each of the islands (Palm Jumeirah, Palm Jebel Ali, and Palm Deira) are … 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 The swimming pool is situated on the 5th floor in the office building of Dalian Sunbetter Group, in the same length of the building and uses the slab of 5th floor as its bottom slab. This kind of design requires the corrosion resistance for rebar, as well as the prevention of cracks and leakages caused by … Read More

Background Different sections in the stations for the new subway line in Shanghai faced problems due to sulfate attack, chloride penetration and corrosion. An effective waterproofing system and a watertight corrosion free concrete solution were needed to overcome these problems. The system had to provide cost effective quality and low cost maintenance while performing without … 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