Portion of a failed 38-ft high modular block MSE retaining wall.
Failures

Retaining Wall Failure and Rebuild 6041

Another case study from RetainingWallExpert.com, this one for the failure of a 38-ft high geogrid-reinforced modular block MSE retaining wall. They note that the failure of the retaining wall follows their typical recipe, ‘Just Add […]

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Software Updates

MSEW 3.0 Update 13.1 from ADAMA Engineering

ADAMA Software has released update 13.1 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of August 30, 2011.  Some of the design methodology changes in the 2009 FHWA manual for MSE […]


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Software Updates

MSEW and FoSSA Updates from ADAMA Engineering

ADAMA Software has released update 11 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of October 23, 2010. It appears that the changes mainly involve adding the updated AASHTO LRFD seismic […]

Software Updates

MSEW and ReSSA Updates

ADAMA Software has released update 10.1 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of September 29, 2009. Click through for the download link and a few of the changes.

I expect that when the new FHWA MSE Wall Manual hits the street in a few months time that we will see some significant updates with the MSEW software package.

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Screenshot from SRWall 4.0 software from the NCMA used for designing segmental retaining walls.
Standards and Codes

New NCMA Segmental Retaining Wall Design Manual and Software

Screenshot from SRWall 4.0 software from the NCMA used for designing segmental retaining walls. This summer, the National Concrete Masonry Association (NCMA) will release the third edition of its Design Manual for Segmental Retaining Walls (DMSRW) along with SRWall 4.0 software for the design of segmental retaining walls. SRW walls with higher wall heights often make use of geotextile or geogrid reinforcement putting them in the category of mechanically stabilized earth retaining walls or MSE Walls. The first edition of the manual was published in 1993 and is routinely used for everything from landscaping walls to multi-tiered commercial and residential retaining walls. This summer is shaping up to be a busy one for those in the retaining wall business as the FHWA NHI 2009 MSE Wall Manual is set to be released around the same time frame as well. Read on for more info on the DMSRW. (Screen shot by Gabriela Mariscal from NCMA via CE News)

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Completed side-hill retaining wall for the SR 264 Second Mesa project in Arizona. Photo by Bharat Khandel, ADOT by way of NCS Consultants, LLC
Articles

Side Hill Retaining Walls – Part 2

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!

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