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Content
Retaining Walls
Maine Bridge Uses First GRS Wall in a Marine Environment PDF Print E-mail
Articles - Retaining Walls
Written by Lindsey Manthei O'Connor   
Friday, 05 June 2015 06:31

This GRS-IBS solution is the first in a marine environment.The City of North Haven is located on an island off the coast of Maine. This town was faced with a unique challenge when a bridge needed replacing. Looking for an economical option, designers decided on a Geosynthetic Reinforced Soil - Integrated Bridge System (GRS-IBS). This solution allowed the town and DOT to re-use an existing bridge pier, beat the construction deadlines, and provide a modern bridge solution for this small town.

[Editor] Read on for more on this fascinating project in a contributed article by Lindsey Manthei O’Connor of Redi-Rock! [/Editor]

Last Updated on Friday, 05 June 2015 06:36
 
Side Hill Retaining Walls - Part 2 PDF Print E-mail
Articles - Retaining Walls
Written by Randy Post   
Thursday, 02 April 2009 12:32

Completed side-hill retaining wall for the SR 264 Second Mesa project in Arizona. Photo by Bharat Khandel, ADOT by way of NCS Consultants, LLCIn this part 2 of 2, various types of retaining walls are examined as possible alternatives in a side-hill retaining wall situation. These include conventional wall types such as CIP walls, MSE walls, gravity walls and soldier pile walls and some less conventional approaches such as lighweight concrete fill, hybrid soil-nail and geofoam wall systems, ground improvement and micropile walls.

Part 1 of this Side Hill Retaining Wall article covered the definition, significance, problems and failure modes, investigation techniques, analysis, and construction considerations of side hill walls. A PDF version is now available for download as well. Click through for the article and the download link!

Last Updated on Thursday, 02 April 2009 13:30
 
Side Hill Retaining Walls - Part 1 PDF Print E-mail
Articles - Retaining Walls
Written by Randy Post   
Thursday, 12 March 2009 12:45

Completed side-hill retaining wall for the SR 264 Second Mesa project in Arizona. Photo by Bharat Khandel, ADOT by way of NCS Consultants, LLCSide-hill retaining walls refer primarily to fill-walls built partway down the sides of an existing slope or embankment. They are encountered in roadway and rail widening projects as well as site development but usually in steep terrain. This article provides an overview of the problems, failure mechanisms, investigation approaches, analysis tools and wall type alternatives for these structures. Click through to read the article!

Last Updated on Thursday, 02 April 2009 13:36
 
Geotechnical Construction for a Rail Spur at a Rock Quarry PDF Print E-mail
Articles - Retaining Walls
Written by W. Robert Thompson, III, P.E.   
Thursday, 04 September 2008 02:44

Our first article from Robert Thompson with Dan Brown and Associates. A project profile of a challenging project invoving a railroad spur for a quarry. It involved ground improvement, soil nailing, and MSE walls.

Last Updated on Wednesday, 22 October 2008 12:51
 


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