The First International Conference on Geosynthetics, 20 April 1977

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From 20 - 22 April 1977, the International Conference on the Use of Fabrics in Geotechnics was held in Paris, France. This watershed event included a paper from engineer...

Geosynthetics Protect Polar Environments

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Climate change has elevated the global dialogue on how to manage our polar regions. Their ecosystems are unique and fragile. Their ice sheets hold 99 percent of the world’s...

The Relative Sustainability Case for Geosynthetics in Roadways

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The Geosynthetic Institute opened 2019 with its White Paper 41: “Relative Sustainability (i.e., Embodied Carbon) Calculations With Respect to Applications Using Traditional Materials Versus Geosynthetics.” The independent organization has returned...

Characterizing Sediment Retention Devices with ASTM Methods

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By Joel Sprague and Jay Sprague – Sediment retention devices include silt fence, wattles, filter logs, compost socks, and various types of stormwater inlet protectors. They are a widely...

SCM Performance Testing in Stormwater Management

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By Joel Sprague and Jay Sprague – The use of stormwater management technologies to drain developed areas with an emphasis on engineered infiltration systems and storage devices has expanded...

Lightweight Foamed Concrete Subgrade for Heavy Haul Railway

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Lightweight Foamed Concrete (LWFC) is being investigated by the Railway Engineering Research Institute (RERI) in China as a potential subgrade foundation at bridge transition zones. It has the characteristics...

INDEX 2020 Geosynthetics Seminar Announced

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The triennial INDEXTM global nonwoven event from Edana will be held 20 - 23 October 2020 in Geneva Switzerland. (NOTE: These represent new dates since this story was published.)...

Bases and Subbases for Concrete Pavement Performance

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From the GAP 2019 transportation conference proceedings: In "Design and Construction of Bases and Subbases for Concrete Pavement Performance," Shreenath Rao, Hesham Abdualla, and Thomas Yu, P.E. use a...

GeoU 2020 Networking and Technical Tour Schedule

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This article has been UPDATED (12 March 2020) to reflect the event’s new dates. GeoU 2020 co-locates five high-level, geosynthetics short courses and multiple engineering networking events, 16 – 19 November 2020 in...

The Design of Optimum Asphalt Content of Asphalt-Treated Bases

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From the GAP 2019 transportation engineering conference: Danniel Rodriguez, Jose Garibay, and Soheil Nazarian from the Center for Transportation Infrastructure Systems (University of Texas – El Paso) examine asphalt-stabilized...
Pavement image, moving vehicle perspective

The Influence of Sloped Shoulders on Pavement Responses

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Slope stability analysis is a common design problem in geotechnics and thus, several slope stability methods using classical limit equilibrium analysis are available. In these methods, applied surcharge load...

Geostructural Characterization of Foundation Materials Using Automated Plate Load Testing

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Structural design of highway or airfield pavements or railroads involves assumption of key mechanistic parameter values such as resilient modulus, modulus of subgrade reaction, dynamic modulus, and track modulus....

GeoU 2020 Reinforcement Course Adds Zornberg, Tutumluer, MacMillan

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This article has been UPDATED (12 March 2020) to reflect the event’s new dates. The organizers of GeoU 2020's reinforcement course have announced the additions of Dr. Jorge Zornberg, P.E....
Fouled Ballast feature image

Permanent Deformation and Stiffness of Fouled Ballast

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Fouled ballast results in the degradation of mechanical properties of ballast and railway track instability. Seasonal dry-wet cycles increase the severity of the situation. In this latest addition to...
Fouled Ballast article feature image - railroad tracks at TTCI

Estimation of Soil-Water Characteristic Curves in Fouled Ballast

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Dr. Stacey Kulesza, P.E., Robert Sherwood, and Dr. Michelle Berry, P.E. exam fouled ballast and soil-water characteristic curves, in this latest share from the GAP 2019 transportation engineering conference...

Implementing Pavement Preservation in Pavement Management Systems

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During the GAP 2019 transportation engineering conference, W. Jeremy Robinson, P.E. of the US Army Engineer Research and Development Center (ERDC) presented on work he and his ERDC colleague...
EcoLine brand image from HUESKER

EcoLine Delivers Durability in a Recycled PET Fiber Product

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Welcome to a new Geosynthetica series on manufacturing and innovation! We begin with the first of a few looks at how geosynthetic companies are engineering greener products. HUESKER’s EcoLine...
Crushed base course production

Development of a 3/4-Inch Minus Crushed Base Course Specification

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In the latest addition to our continuing series of articles developed out of the GAP 2019 transportation engineering conference proceedings, we follow Eli Cuelho, a senior engineer with TRI...
Roadway embankment feature images - failure and repair

Roadway Embankment Reconstruction after Extreme Weather

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Composite reinforcement systems that combine geosynthetics with different facing systems and supports (steel mesh, soil anchors, etc.) have grown substantially in use. These systems enable very efficient construction of...
Full-Scale Trafficking testing at TRI Environmental in South Carolina

Full-Scale Trafficking of Geosynthetic-Reinforced Road Sections

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In the latest addition to our GeoAmericas series of articles, Joel Sprague and Jay Sprague of TRI Environmental’s large-scale outdoor research laboratories in South Carolina look at the complex...
INTERVIEW: Rajib Mallick on Geosynthetic-Reinforced Chip Seal

INTERVIEW: Mallick on Geosynthetic-Reinforced Chip Seal

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A few years ago, I had the opportunity to interview Dr. Rajib Mallick of Worcester Polytechnic Institute (WPI) who was about to deliver multiple papers at the annual TRB...
Highway retaining wall during construction - Image by NAUE Geosynthetics

Implementation of Geotechnical Asset Management

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While bridge and pavement conditions receive much of the media attention and legislative directives for transportation agencies, the value and performance of other assets are also important to the...
Flooded road image

Unsaturated Analysis of Water Flow in Granular Layers of Inundated Pavements

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Climate change has created less predictable precipitation and in many cases more intense precipitation events. This influx of water flow is a significant challenge for infrastructure planning, with and...
Photo of geocell in stormwater controls

Geosynthetics in Stormwater Controls and Hydraulic Engineering

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The inaugural GeoU 2020 co-locates five high-level short courses. Four of the courses are concurrently held engineering classes and the fifth is a half-day marketing course for sales and...
U.S. Air Force of C-130 on runway, photo by Master Sgt. Joseph Swafford/Released

Evaluation of Geocell Reinforced Backfill for Airfield Pavement Repair

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In this latest sharing of work from the GAP 2019 conference--Geosynthetica published GAP's proceedings--Lyan Garcia and Jeb Tingle of the U.S. Army Engineer Research and Development Center (ERDC) share...

Latest Articles

Four Failures That Still Tell the Right Story

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In construction and engineering with geosynthetics, lower price is never a substitute for the value of experience. The cheap can come out quite expensive...
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