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Following the provisions of AISC 342-22 and referencing ASCE 41-17 where needed, I am trying to develop force-deformation relations for a modern RBS connection properly designed and detailed per AISC 341. The curve should be Type 1 in AISC 342 Fig. C1.1 (below) or ASCE 41 Fig. 7-4 since the...
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,...
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...
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...
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...
Matthew. As a member of the ASCE 7, 41 and AISC Specs Committee, I would agree with your reflection that these modifiers are not applicable to moder, prequalified connections. However, you may wish to review the criteria in the newly issued AISC 342 Specification available for free download from...
ASCE 41-17 Section 9.4.2.4.3, paragraph 4, states that the acceptance criteria for FR beam-column connections shall be modified based on four possible factors (continuity plate detailing, panel zone strength, span-to-depth ratio, and beam flange & web compactness). I am performing a nonlinear...