Version 3 of the Soil Nail Analysis Program (SNAP-2) has recently been released by the FHWA. It addresses the following issues identified in previous versions: The resolution of the search area when working at different […]
Since March of 2003, the FHWA’s Geotechnical Engineering Circular Number 7 (GEC No. 7) has been the standard reference document for design and construction of soil nail retaining walls in roadway applications, and really in […]
National Driller magazine recently republished a paper by authors from GRL Engineers Inc. and Pile Dynamics Inc. (PDI) describing a demonstration project for the Texas Department of Transportation involving thermal integrity profiling (TIP) of soil […]
Nicholson Construction Company, a GeoPrac sponsor, has been working on 68,000 square feet of shoring and permanent retaining walls for an indoor practice football field and running track, as well as two levels of underground […]
Dr. Jesus E. Gomez has joined GEI Consultants as a vice president and will lead their geotechnical and geostructural practice in the Philadelphia region. Dr. Gomez has over 30 years of experience, and was previously […]
Atlas Copco MAI GmbH has sold to Minova its business related to self drilling anchors; rock bolts that are primarily used in civil engineering applications. The deal supports Atlas Copcoâ€™s strategy within rock reinforcement to […]
The current edition of the AASHTO LRFD Bridge Design and Construction specifications do not have specifications for soil nail retaining walls. This TRB publication is meant to be an interim solution for agencies who still […]
Sports fans are eagerly awaiting the matchup between the Pittsburgh Steeler’s and the Green Bay Packers in Super Bowl XLV (That’s 45 for the roman numeral challenged). The venue for the Super Bowl is the new Dallas Cowboy’s Stadium in Arlington and it is certainly a show piece and engineering marvel worthy of this world class sporting event. And it required some very interesting geotechnical engineering design as well… (Photo: NFLTouchdown.com)
In 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!
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.