Lime-Stabilized Backfill in MSE Retaining Structures

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By Giulia Lugli and Sachin Mandavkar – Soil can be stabilized by using a wide range of materials, such as cement, lime, and fly ash. When lime and water are mixed with a clay soil, modification of the soil properties and stabilization reactions begin. In highly alkaline environments (pH >12 for a short period of time), this can cause corrosion of steel elements in an engineered reinforcement sy... »

Geosynthetic Strip Reinforcement for Port of Miami Tunnel

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The Florida Department of Transportation’s impressive tunnel project has connected the Port of Miami directly with US Interstate’s 395 and 95. The well-publicized work has been designed to alleviate cargo-related congestion created by the busy port and to reduce the amount of cargo-carrying vehicles throughout the city’s downtown districts. The success of the project has been secured through the u... »

Geosynthetics Events: 11ICG Abstracts Extended to Feb 28

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The 11th International Conference on Geosynthetics (11ICG) will be held 16 – 21 September 2018 in Seoul, Korea at the new COEX (Conference and Exhibition Center) in the city’s renowned Gangnam District. The organizing committee has announced an 11ICG abstracts extension to February 28. Conference  theme: “Geosynthetics: Innovative Solutions for Sustainable Development.” 11ICG ABSTRACTS ̵... »

Project Video: GRS Structure for Major Greek Cultural Center

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One of the world’s leading architects, Pritzker Prize-winning visionary Renzo Piano, has led the development of Greece’s newest cultural treasure: the Stavros Niarchos Foundation Cultural Center. The site, which will host a high-profile park and vital institutions such as the National Library of Greece and the Greek National Opera, is made structurally possible in part by the development of a larg... »

Top Stories in Geosynthetics for 2016

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As promised, we reveal here today (December 29) the top stories in geosynthetics for 2016 on Geosynthetica. The stories have been ranked by most read, with the further caveat that the story must have been published in 2016. (There are a few exceptions noted at the end of older stories that actually cracked the top 15 for this year despite they having been published in previous year’s on the ... »

What Will Be Geosynthetica’s Most-Read Articles for 2016?

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As the year comes to a close, we take a closer look at the analytics to see how users have interacted with the site and to gauge our most-read articles. Readers do not interact with all content, of course. As expected, they focus on their particular areas of engineering interest. That might be a sector of engineering (e.g., transportation, coastal protection), a type of information (e.g, an abstra... »

A Primer on Soil and Geotextile Filter Design for MSE Walls

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Drs. Robert and George Koerner of the Geosynthetic Institute (GSI) are no strangers to tackling challenging topics—subjects which are either difficult to motivate discussion on (e.g., failures) or difficult to document (e.g., developing and monitoring long-term studies). One of the information-sharing vehicles they’ve utilized over the years to keep information flowing has been to release influent... »

Live and On-Demand Engineering Webinars in December

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As the calendar year winds down, professional development opportunities such as engineering webinars are utilized more. For some, these sessions provide needed PDHs. For others, it is simply the best time of the year for them to take time for the education. In December, multiple live and on-demand sessions are available. GEO-U ENGINEERING WEBINARS The Geosynthetic Institute’s Dr. Robert Koerner ha... »

Bridge Approach Embankment with MSE Walls and Pulverized Fuel Ash

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By Chaido (Yuli) Doulala-Rigby and Martin Black – For a new major road construction (the Tinsley Link) in the North of England, a bridge approach embankment needed to be designed and constructed. A 500m-long mechanically stabilized earth (MSE) wall on piled foundations was proposed, one that would utilize geogrid reinforcement and enable the beneficial use of pulverized fuel ash (PFA). The P... »

GSI Webinar: MSE Wall Remediation and Monitoring

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The Geosynthetic Institute (GSI) has a strong background in providing education and resources on all types of geosynthetics; but GSI is particularly versed in retaining wall-related education. The monthly GSI Webinars are presented on the second Wednesday of a month. The next offering (November 9, 11:30 am – 1:00 pm (EST)) will focus on “MSE Wall Remediation and Monitoring.” This particular webina... »

Distribution Agreement for Maccaferri, Nasir & Associates on MSE System

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Maccaferri Inc. and Baltimore-based Nasir & Associates LLC have reached a distribution agreement by which Nasir will serve as an exclusive distributor of the Maccaferri MacRes® System. The deal pertains to markets in Maryland, Delaware, Virginia, and West Virginia. Nasir & Associates will sell the Maccaferri MacRes® System with concrete panel facings as a complete MSE Wall System. Maccafer... »

IGS-NA/NCMA Segmental Retaining Wall Best Practices Webinar

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IGS North America (The North American Chapter of the International Geosynthetics Society: IGS-NA) and the National Concrete Masonry Association (NCMA) are co-hosting an October 26 webinar. The topic: Segmental Retaining Wall Best Practices. The session will be held from 1:00 – 2:30 pm (EDT) and is worth 1.5 PDHs. Scott Vollmer, P.E. (Oldcastle) will serve as the instructor. He brings an extensive ... »

October 12 Webinar: MSE Wall Back Drainage Design

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The Geosynthetic Institute will host its next GSI Webinar on 12 October 2016. The topic is MSE Wall Back Drainage Design.  GSI offers these 75-minute sessions (with Q&A time added to the end) on the second Wednesday of every month at 11:30 am (EDT). Participants may be eligible to receive 1.5 professional development hours (PDHs) with completion of a 10-question multiple choice test following ... »

Brazil’s First Geosynthetic-Reinforced Soil Structure

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By Bruno Pedroni – When the Sao Paulo, Brazil-based Technological Institute of Aeronautics geosynthetics group (GGGAITA) celebrated its 30th anniversary, one of the highlights was Bidim’s presentation on a 30-year-old geosynthetic-reinforced soil wall. The 1986 project was built along the SP-123 roadway, which connects the cities of Taubaté and Campos do Jordao in the Vale do Paraíba (SP). Bidim’s... »

Reinforced Seawall Construction under 3m Tide

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By Terre Armée –Situated on the north shore of the Saint Lawrence River in eastern Canada, where the Gulf of St Lawrence opens onto the Atlantic Ocean, the town of Port-Cartier launched a waterfront improvement program to attract shoreline residents and visitors. The seawall construction project was to replace a former timber structure with a Reinforced Earth® system. The site’s daily tidal fluctu... »

MSE Walls Engineered for Oil Drilling Operations

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Molisht is an underground resource-rich area in Berat, Albania. Numerous important oil and gas wells are found there. For an energy plant, Maccaferri engineered retaining wall solutions to support the site’s oil drilling works. The Molisht-1 well has the potential to produce 8,000 – 10,000 barrels of oil per day. It is considered a crucial supply point for the owner. Over a 9-month period, the com... »

Geosynthetics Prove Key to GeoChicago 2016 Success

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Geosynthetics were a prominent part of ASCE Geo-Institute‘s GeoChicago 2016 conference, which was held August 14 – 18 at the Sheraton Grand in downtown Chicago. The riverfront location, just off Lake Michigan, gave attendees a vibrant urban area for social events and, with the substantial ongoing river walk, greenspace, and bridge network redevelopment, more than ample opportunity for observ... »

Geosynthetics Events: 11ICG Call for Abstracts

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The 11th International Conference on Geosynthetics (11ICG) will be held 16 – 21 September 2016 in Seoul, Korea at the new COEX (Conference and Exhibition Center) in the city’s renowned Gangnam District. The organizing committee has issued the Call for Abstracts. Conference  theme: “Geosynthetics: Innovative Solutions for Sustainable Development.” Abstracts are due 30 December 2016. Key topic... »

GeoChicago 2016: Koerner Symposium Speakers

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ASCE Geo-Institute‘s GeoChicago 2016 conference opens next week. Program co-chairs Dr. Krishna R. Reddy, P.E., D.GE, F.ASCE (University of Illinois at Chicago) and Dr. Nazli Yesiller, A.M.ASCE (Global Waste Research Institute) have helped line up an extraordinary plan, which includes two high-level sessions honoring pioneers in the field: Dr. Robert Koerner and Dr. David Daniel. Also of note... »

Geosynthetic Institute Announces 2016 – 2017 Fellowships

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The Geosynthetic Institute (GSI) has announced the winners of the 2016 – 2017 GSI Fellowships. The annually awarded research grants are giving out, in consultation with the GSI Board of Directors, to master’s and doctoral level applicants studying geosynthetics. GSI’s program issues numerous awards, each of USD $5,000, during the fellowship awards cycle. Candidates with a vision of longer-term res... »

Tall Reinforced Earth® Walls with Geostrip Reinforcements

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With respective heights of 27 meters and 34 meters, the Strikici and Sveta Trojica projects in Croatia consist of tall Reinforced Earth® walls featuring geostrip reinforcements combined with TerraTee (T-shaped) concrete facing. The notable constructions are part of Croatia’s on-going roadway system expansion and support the country’s strong growth in tourism along its shoreline. The MSE wall proje... »

Runways and Reinforced Structures for Tana Toraja

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Every year in the South Sulawesi Province of Indonesia, thousands of tourists visit to admire the breathtaking landscape and places of rituals and ceremonies of the Toraja ethnic group. The Toraja people live in an area known as Tana Toraja. Until now travelers have had to endure an arduous and uncomfortable eight hour journey, 300 km north of the city of Makassar. In 2014, the Indonesian governme... »

GeoAmericas 2016 Proceedings Now Available

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The GeoAmericas 2016 Proceedings have been released to the engineering community. The conference, which was the 3rd Pan-American Conference on Geosynthetics, was held 10 – 13 April 2016 in Miami. More than 1100 participated in the event, which featured 200+ presentations, 95 exhibitors, multiple high-level sponsors, 49 technical sessions, and 4 keynote addresses. The GeoAmericas 2016 Proceedings h... »

South Africa: Road Expansion with MSE Walls

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By Kaytech – When a major roadway upgrade was approved for the city of Ballito, KZN Province, South Africa, mechanically stabilized earth (MSE) walls were essential to the project’s success. The scope of works entailed the expansion of an undivided two-lane road into a three-lane divided road. MSE walls were needed to bring the extra lanes to level, due to the site’s undulating topography. B... »

VIDEO: Rockfall Protection Wall in Val d’Isère

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Last year Geosynthetica profiled NAUE’s rockfall protection wall design in Val d’Isère, a renowned winter sports region in Southeastern France. Now, the company has released video of the construction and finished work. The geosynthetic reinforcement project enabled the Val d’Isère area, situated at 1800m above sea level, to host World Cup skiing this past winter. The Val d’Isère Projec... »