ground stabilization confinement Articles

  • Highway 401/7, Halton Hills, Ont., Canada

    Building a bridge over a sensitive stream is always delicate business. It’s particularly difficult when the bridge needs to go through a deep valley and over a cold-water trout stream (in this case, Silver Creek), that also happens to be the spawning ground for salmon from Lake Ontario. This is the dilemma for the town of Halton Hills, Ontario, Canada, which is in the process of building a bridge ...


    By Presto Geosystems

  • Case study - Airport platform

    Mexico City's international airport was built over a lake; the soil is expansive clay with water content approaching 200%. Settlement is a severe problem and several airport runways necessitated a 4m asphalt layer thickness. A recently constructed airport platform using a conventional pavement was expected to settle 3 cm at the 3 vertical loading points of the airplane over two years. In fact it ...


    By PRS Geo-Technologies

  • Roadside embankment retaining wall (El Valle De Anton, Panama)

    Background: The Rio de Jesus runs through El Valle De Anton, a very mountainous region in central Panama. These conditions, coupled with heavy seasonal rains, cause severe damage to roadways and embankments in the area. Erosion and instability from shifting soils, periodic landslides and mudslides plague the valley daily and were beginning to affect construction. ...


  • Roadside embankment retaining wall (El Valle De Anton, Panama) case study

    Background: The Rio de Jesus runs through El Valle De Anton, a very mountainous region in central Panama. These conditions, coupled with heavy seasonal rains, cause severe damage to roadways and embankments in the area. Erosion and instability from shifting soils, periodic landslides and mudslides plague the valley daily and were beginning to affect construction. Technical ...

  • Brüel & Kjær’s radiation-resistant accelerometers

    Carrying out vibration measurements in harsh industrial environments is much easier for engineers with Brüel & Kjær’s new Type 8347-C Accelerometer. The Type 8347-C accelerometer can withstand temperatures ranging from -196°C (-321°F) to +482°C (+900°F) and has high resistance to radiation. The shear design ensures the accelerometer  superior thermal ...

  • Cayuga County, New York Pioneers Community Digester Program

    New project of Soil And Water Conservation District will help control odors and improve water quality while generating biogas with an innovative system. A bioenergy vision that started several years ago is finally being built at the Cayuga County Soil and Water Conservation District headquarters in Auburn, New York. Jim Hotaling, Executive Director, has long envisioned a community digester ...


    By BioCycle Magazine

  • Envision 2050: The future of protected areas

    The idea of setting aside areas of land and water to be protected against human activities has become a staple of the conservation movement. But with that movement itself at a crossroads, it’s worth exploring just what protected areas will look like in the future. For this third installment ...


    By Ensia

  • Renewable energy marketplace

    ALLU Group markets two types of equipment for use in biomass energy operations. The ALLU Screener Crusher bucket attaches to a front-end loader. The bucket is designed to aerate, crush, screen and mix at one time. The Screener Crusher has a rigid steel frame, onto which horizontally rotating screening and crushing drums are mounted. All the drums rotate in the same direction. There are several ...


    By BioCycle Magazine

  • TURBIDITY BARRIER ULTIMATE GUIDE

    TURBIDITY BARRIER ULTIMATE GUIDE Definition Floating turbidity barriers (a.k.a. silt curtains, silt boom, sediment curtain) are a temporary in-water sediment barrier consisting of a continuous geotextile fabric curtain suspended from a flotation device on the water surface and held in ...

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