Engineered earth with greywater systems
March 10th, 2022
Propex incorporates a system of engineered earth with greywater irrigation on slope at residential site in Malibu, Calif. By Jeff Hoilman, P.E., market development manager, GeoSolutions, Propex Operating Co. LLC FIGURE 1 Initial installation of the ARMORMAX 75 Slope Stability System in Malibu, Calif. Photograph courtesy of Propex Operating Co. LLC The increasing need for sustainable design […]
Driving earth anchors in adverse conditions
July 6th, 2021
By Ben Campbell, P.E., Propex Earth anchors come in all shapes and sizes and are made from a variety of materials including steel, aluminum, stainless steel and ductile iron. Earth anchors are also used for many different purposes. Propex primarily uses percussion-driven engineered earth anchors (EEA) to create an artificial deep root system for ARMORMAX. The ARMORMAX […]
Stabilizing Oyster Lake’s outfall
February 1st, 2021
The completed outfall with sea oats beginning to grow Preserving a unique ecosystem with an environmentally friendly solution By Drew Loizeaux Coastal dune lakes are freshwater lakes located within 2 miles (3.2 km) of an ocean coastline. These rare ecosystems are only found in a handful of locations around the globe, including Madagascar, New Zealand, […]
Streambank restoration using engineered bank stabilization
June 1st, 2019
By Jeffery T. Hoilman and Stanley M. Miller FIGURE 1 Mountain Creek streambank restoration—September 2018. View looking upstream nine months after installation. Mountain Creek flows through the community of Red Bank near Chattanooga, Tenn., to the Tennessee River. Mountain Creek has been identified by the Tennessee Department of Environment and Conservation (TDEC 2018) as a […]