Simple geometry and using geosynthetic reinforcement (same as the This option is limited to block (segmental) walls having MSEW(3.0) also includes an option to use the NCMA design Guidelines it is recommended that the user purchase a copy of these

Of AASHTO LRFD design are provided in the Bridge Section of AASHTO These manuals serve as the basis for AASHTO 98/02 (ASD). FHWA-SA-96-071) as well as a revised version of Demo82 ( FHWA NHI-00-043). The Help in MSEW(3.0) software includes relevant sections of Demonstration Project 82 ( Publication No. Stability results, graphic files compatible with AutoCAD®, design Stability, user's generated databases, improved presentation of slope This version includes many enhancements suchĪs calculations of quantities, more versatile surcharge loads, use ofĬoulomb lateral earth pressures for both internal and external Highway Agencies and by US Federal agencies. Version 1.0 has been designated exclusively for use by US State The same applied to database files.ĪDAMA Engineering developed the copyrighted program MSEW Version 1.0 for the US Federal Highway Administration (FHWA). Furthermore,īy a click of a button, virtually all tables in MSEW(3.0) can beĮxported to Excel or be printed. Includes elements such as connection strength thus facilitating a moreĬomprehensive stability analysis for which ReSSA is ideal. For more in-depth and efficient global analysis, MSEW(3.0) canĮxport data files for analysis using ReSSA(2.0).

Systems as well as the occasional need to conduct forensic study.Īllows for global stability analysis using Bishop method with circularĪrc. Such exploration is useful for the development of new Although the program generally follows the guidelines ofĮstablished design procedures, the user can explore design options andĬoncepts beyond the formal guidelines the user can override allĭefault values. NCMA is limited to geosynthetic reinforced segmental retaining walls Note that AASHTO98/02 is based on allowable stress design ( ASD) whereas AASHTO 2007-2010 is based on load resistance factor design ( LRFD). The design and analysis of mechanically stabilized earth walls.

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