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 […]
Transitioning the mining industry to sustainability with geosynthetics
December 31st, 2021
By Michael Dickey, P.E., Director, Presto Geosystems Geocells at a mining site. Photograph courtesy of Presto Geosystems Mined materials are essential to our everyday lives. We use these valuable minerals in nearly every sector of the economy—they are necessary to construct roads and buildings, manufacture vehicles, build computers and generate electricity. Additionally, the mining industry […]
Slope stability with geocells at a New Zealand playground
December 27th, 2021
Photograph courtesy of Cirtex Aronia Park is a colorful new playground in South Auckland, New Zealand, that includes two multihued slides. The challenge arose with the specified topsoil thickness for the steep slope beneath the slides. There was a risk of the slope soil sliding off and requiring costly repair. Greenscene, the contractor, approached Cirtex […]
GeoStabilization International announces soil nail launcher system
August 11th, 2021
Photograph courtesy of GeoStabilization International GeoStabilization International has released the new Remote Operated Launcher System, which the company says brings advanced technology to slope stabilization. Slope stability is critical for maintaining safe and sustainable infrastructure. This launcher system increases crew capabilities and productivity by providing flexible and customizable carrier configurations for the launched soil nail stabilization […]
Technical program available for DFI’s S3: Slope-Support-Stabilization Conference in Minneapolis
July 16th, 2019
The Deep Foundations Institute (DFI) has published the complete program for S3: Slope-Support-Stabilization conference, Aug. 6–9, at The Renaissance Minneapolis Hotel, The Depot, Minn. It is available at www.dfi.org/S3-2019. This technical conference, organized by eight DFI Technical Committees, focuses on the effective application of deep foundations, ground improvement and soil mixing for stabilization of slopes […]
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 […]
DFI to present S3: Slope-Support-Stabilization Seminar in Minneapolis
March 20th, 2019
Registration is open for the Deep Foundation Institute’s (DFI’s) S3: Slope-Support-Stabilization seminar, Aug. 6–9, 2020, at The Renaissance Minneapolis Hotel, Minn. This two-day technical seminar, organized by eight DFI Technical Committees, focuses on the effective application of deep foundations, ground improvement and soil mixing for stabilization of slopes and excavation support. The state-of-the-practice technical program […]
Slope reinforcement at the Atlanta airport
February 1st, 2019
PROJECT HIGHLIGHTS Atlanta airport slope stability General Contractor: C.W. Matthews Contracting Co. Inc. Design Engineer: Propex GeoSolutions HPTRM manufacturer and fabricator: Propex GeoSolutions HPTRM installer: Athena Construction Group Inc. HPTRM product: ARMORMAX® Hartsfield-Jackson Atlanta International Airport is the world’s busiest airport, accommodating more than 100 million passengers and more than 950 thousand flights annually. Heavy […]
Geocomposite lamination strength ASTM test method: Time for an update
August 1st, 2018
Recent project experience that included continuous peel testing across the roll width of geocomposite materials has shed light on the issue of peel strength between geotextiles and geonets that are heat-bonded together. The variability of peel strength across a roll width is found to be much greater than expected, with the typical standard deviation often […]
GSI’s Koerner to host webinar on slope stabilization using nailed or anchored geosynthetics
July 19th, 2018
The Geosynthetic Institute (GSI) will sponsor a webinar entitled “In-Situ Stabilization of Soil Slopes Using Nailed or Anchored Geosynthetics,” on Aug. 15, from 11:30 a.m. to 1 p.m. EDT. The webinar will be hosted by Dr. Robert M. Koerner. GMA member companies and their employees receive discounted rates on all GSI webinar and short course […]