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Ronald, thank you for the response. Agreed that if those unknowns exist then live load is the appropriate classification. For data center projects, SEs work closely with the owner to establish the loading
Thanks to one and all for the clear thoughts and opinions. My take? It seems we each and all agree why, and what needs to happen with such information. The challenge is "When, Where, & How." And
Thanks very much Ronald for the insights and reference. Cheers, Bill ------------------------------ William M. Hayden Jr., Ph.D., P.E., CMQ/OE, F.ASCE Buffalo, N.Y. "It is never too late to be
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
Neutral Axis will be shifting with respect to live load that is the beam or slab shall be comes under reinforced or over reinforced. For design LL is converted to equivalent DL. I think it is enough for
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Just getting into reviewing ASCE 7-22 which goes into effect for my area in December. I note that within the standard they supply ... More
ASCE 41-17 permits the use of the generalized force-deformation relation for deformation-controlled steel elements depicted in ... More
ASCE 7-16 (and 7-22) section 188.8.131.52.2 states that, if the MRSA drift base shear is < Cs*W where Cs is determined in accordance ... More
This new digital interactive platform launches with ASCE/SEI 7-22, 7-16, 7-10, and ASCE/SEI 41-23, plus Tier 1 Checklists. The complete Provisions and Commentary of the standards are available within a suite of interactive tools and feature-rich functionality that make working in each standard an easier experience for the engineer. Additional standards and materials will be added on a rolling basis.
Benefit from the one-click synchronization between Provisions and Commentary with side-by-side display, red-lining, two-level search functionality, real-time incorporation of supplements and errata, and more.
Seismic Evaluation and Retrofit of Existing Buildings, Standard ASCE/SEI 41-23, describes deficiency-based and systematic procedures that use performance-based principles to evaluate and retrofit existing buildings to withstand the effects of earthquakes. The standard presents a three-tiered process for seismic evaluation according to a range of building performance levels by connecting targeted structural performance and the performance of nonstructural components with seismic hazard levels. The deficiency-based procedures allow evaluation and retrofit efforts to focus on specific potential deficiencies deemed to be of concern for a specified set of building types and heights. The systematic procedure, applicable to any building, sets forth a methodology to evaluate the entire building in a rigorous manner.
Tier 1 Checklists for Seismic Evaluation and Retrofit of Existing Buildings: Fillable Forms for Standard ASCE/SEI 41-23 is a complete collection of the screening checklists included in Chapter 17 and Appendix C of Standard 41-23. The evaluation checklists, covering a variety of building types and seismicity levels, are offered as fillable PDF forms that can be completed using Adobe Acrobat Reader, version 9.0 or later.
The collection of 39 forms includes the summary data sheet, Collapse Prevention and Immediate Occupancy checklists, and a nonstructural checklist. The checklists contain criteria for very low, low/moderate, and high seismicity levels.
Standard Guideline for Recording and Exchanging Utility Infrastructure Data, ASCE/UESI/CI 75-22, specifies essential elements for documenting the location, geometry, and feature attributes of underground and aboveground utility infrastructure, with a particular focus on enabling creation of 3D digital twins for newly installed and/or exposed utility infrastructure.
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