List of Contributions

Contact Details

Simpson Gumpertz & Heger

Institute Ribbons and Badges

Contact information, job title, education, and license are populated by the ASCE Membership database. You can edit your account here. Please allow 12 hours for the changes to appear in ASCE Collaborate.

Ronald Hamburger, P.E., F.SEI

Simpson Gumpertz & Heger

Contributions

1 to 5 of 23 total

RE: Guardrail, Handrail Concentrated Load

Posted By Ronald Hamburger 05-10-2023 10:31 PM
Found In Egroup: Peer-to-Peer Standards Exchange \ view thread

Bill, Cole Graveen, chair of the ASCE 7 Live Loads task committee provides the following insights: The ASCE 7-22 commentary states that the single concentrated load represents load from one person or object, or a small number of people, and the uniform load represents distributed loads such as from ...

RE: ASCE 7 Horizontal irregularity #5 - Nonparallel system

Posted By Ronald Hamburger 04-25-2023 06:12 PM
Found In Egroup: Peer-to-Peer Standards Exchange \ view thread

ASCE 7 does require a 3D model ------------------------------ Ronald Hamburger, SE Consulting Principal Simpson Gumpertz & Heger ------------------------------

RE: Yield Point for Steel SMF Plastic Hinge Modeling for NLTHA

Posted By Ronald Hamburger 04-17-2023 06:10 PM
Found In Community: Peer-to-Peer Standards Exchange \ view thread

There are many uncertainties associated with nonlinear modeling of structures including the variability of material strength, record-to-record variability in ground motion, level of damping, actual ductility available in each element, etc. In order to obtain an unbiased prediction of performance, both ...

RE: Snow Loading with ASCE 7-22

Posted By Ronald Hamburger 04-06-2023 07:09 PM
Found In Community: Peer-to-Peer Standards Exchange \ view thread

Justin, I referred these questions to John Dunteman, Chair of the ASCE 7 Rain and Snow Loads task committee. He offers the following response: 1- the 5 to 8 psf change in rain on snow is because of the change in load factor in ASCE 7-22. The adoption of reliability-targeted design ground snow loads ...

RE: Wind loads on building canopies ASCE 7-16 & 22

Posted By Ronald Hamburger 03-16-2023 12:43 PM
Found In Egroup: Peer-to-Peer Standards Exchange \ view thread

The data in ASCE 7 are based on wind tunnel tests that were carried out at Concordia University and at FIU. The details of these studies can be found in the listed references in the commentary section in Chapter 30. The maximum overhang that was tested was 6.5m and the results didn't vary much from ...