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Ronald Hamburger, P.E., F.SEI


Contributions

1 to 5 of 44 total
Posted By Ronald Hamburger 05-10-2024 09:03 PM
Found In Egroup: Peer-to-Peer Standards Exchange
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Mathew The answers to your questions depend on how you configure your model. If you configure your model such that there is a discrete hinge located at the center of the RBS, rather than the face of the column, the shear amplification will automatically be computed by the software. However, if you ...
Posted By Ronald Hamburger 04-17-2024 01:19 PM
Found In Community: Peer-to-Peer Standards Exchange
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Cody, the seismic values in ASCE 7-10 are based on the 2008 National Seismic Hazard model developed by USGS. The values in the 2016 edition use the 2014 National Seismic Hazard model. In comparing disaggregated values of seismic parameters obtained form the two models, it appears that in both cases, ...
Posted By Ronald Hamburger 03-21-2024 10:19 AM
Found In Community: Peer-to-Peer Standards Exchange
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ASCE 7 does not prohibit classificaton of server racks as Dead Load and could be interpretted as specifically permitting it. ASCE 7 Chapter 2 defines "Dead Load" as "Dead loads consist of the weight of all materials of construction incorporated into the building including, but not limited to, walls, ...
Posted By Ronald Hamburger 02-28-2024 08:47 AM
Found In Community: Peer-to-Peer Standards Exchange
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Stephen I believe there are a number of reasons that server racks should be considered live, as opposed to dead load. First, they are subject to change in configuration from year to year and from tenant to tenant, as new technology evolves and tenant needs change, resulting in chnage of weight. Second, ...
Posted By Ronald Hamburger 02-01-2024 02:06 PM
Found In Egroup: Peer-to-Peer Standards Exchange
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Bill & All Having worked on standards and code development now for more than 30 years, I can say confidently that structural failures and engineering and construction mistakes do make it into the knowledge base of the committees and do have substantive effect on the requirements of our codes and ...