direct design software for masonry structural analysis...direct design software for masonry...
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![Page 1: Direct Design Software for Masonry Structural Analysis...Direct Design Software for Masonry Structural Analysis Ask questions any time or use the chat… Or shoot me an email if you](https://reader035.vdocument.in/reader035/viewer/2022070213/610e1631aa014d6bcf2a7f47/html5/thumbnails/1.jpg)
Direct Design Software for Masonry Structural Analysis
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Ask questions anytime or use the chat…
Or shoot me an email if you forget…Jason Thompson
703‐713‐1900
Ground Rules…
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Why was Direct Design Created? Code complexity…
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1953…………1983……………2013
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Why was Direct Design Created? Code complexity…
1953…………1983……………2013
40 pgs………40 pgs…………400 pgs
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Why was Direct Design Created?
Codes (not just masonry) become more complex with each cycle. The Direct Design Software combines all the relevant structural masonry requirements in one package.
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Why was Direct Design Really Created?
Idea…to concept…to preliminary design…in minutes
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Evolution of DesignWith these changes…new tools are needed.
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Software InputsWhat you need to design a project:� Building location; and� Building dimensions
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Software InputsMapped Ground Snow Load
Need to know this.
Software will calculate this.
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Software InputsUltimate Wind Speed < 250 mph (ASCE 7‐10)
Need to know this.
Handbook will calculate this.
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Software InputsMapped Seismic Spectral Accelerations
Handbook will calculate this.
Need to know this.
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Software OutputsEntire structural analysis calculations…
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Software OutputsEntire structural analysis calculations…
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Software OutputsTo the final design…
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Software OutputsWhile flagging sections that the software couldn’t find a solution to.
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Software OutputsSummary or detailed output reports…
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What Direct Design Does Not Do.
Does not design the diaphragms (roof/floor).Does not design the foundation.Does not design the connection system between
the masonry and supports.
Limited to the structural and non‐structural masonry components.
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Limitations
� Mapped wind speed < 250 mph
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Limitations
� Building height < 60 feet� No funky roofs
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Limitations
� Joist spacing of 10 feet or less.� Architectural features.
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Limitations
� Units must comply with ASTM C90.� Standard mortar and grout.
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Limitations
� Rebar: No. 4 thru No. 9, Grade 60
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Limitations
� Cladding weight < 50 psf.
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Limitations
� No extreme loading types (e.g., blast).� Axial load eccentricity t/2 plus 3 inches.
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Limitations
� Diaphragm limits to avoid complex irregularities.
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Limitations
If a software input isn’t covered by Direct Design, an error message will appear.
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Gut‐CheckDirect Design targets the design of:� Common masonry buildings;� The majority of the masonry in these
buildings.
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Integration
Few use one software package today…
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Software Demo
Using the software…
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Questions?
Thank you for your time!
13750 Sunrise Valley DriveHerndon, VA 20171
703.713.1900
www.ncma.org
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