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// CODE SNIPPET

3.5 Deflection Incompatibility

California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 3 Procedures for Building Systems > 3.5 Deflection Incompatibility
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Column and beam assemblies that are not part of the lateral-force-resisting system (i.e., gravity load-resisting frames) are capable of accommodating imposed building drifts, including amplified drift caused by diaphragm deflections, without loss of vertical load-carrying capacity.
For conforming buildings, the evaluator may consider this condition as mitigated, and no calculations are necessary. The deficiency is in the ductility of the vertical load-carrying system. Calculate the expected drifts using the procedures in Section 2.4.4. Use net section properties for all reinforced concrete elements in the lateral-force-resisting system. Include the lateral displacements due to diaphragm deflections, using the diaphragm loading computed in Section 2.4.6. Evaluate the capacity of the nonlateral-force-resisting columns and beam assemblies to undergo the combined drift, considering moment-axial force interaction and column shear.

Related Code Sections


3.5 Seismic Evaluation Procedures for Hospital Buildings, Deflection Incompatibility
imposed building drifts, including amplified drift caused by diaphragm deflections, without loss of vertical load-carrying capacity. For conforming ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 3 Procedures for Building Systems > 3.5 Deflection Incompatibility
3.5 Seismic Evaluation Procedures for Hospital Buildings, Deflection Incompatibility
imposed building drifts, including amplified drift caused by diaphragm deflections, without loss of vertical load-carrying capacity. For conforming ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 3 Procedures for Building Systems > 3.5 Deflection Incompatibility
1.8.2 Seismic Evaluation Procedures for Hospital Buildings,
3.3.2). Torsional irregularity (Section 3.3.6). Deflection incompatibility (Section 3.5). Cripple walls (Section 5.6.4). Openings (in diaphragm ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 1 Definitions and Requirements > 1.8 Collapse Probability Assessment > 1.8.2
1.8.2 Seismic Evaluation Procedures for Hospital Buildings,
). Torsional irregularity (Section 3.3.6). Deflection incompatibility (Section 3.5). Cripple walls (Section 5.6.4). Openings (in diaphragm) at shear walls ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 1 Definitions and Requirements > 1.8 Collapse Probability Assessment > 1.8.2
6-A-7 Seismic Evaluation Procedures for Hospital Buildings, Building Collapse
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California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > H To Chapter 6 HAZUS AEBM Regulations > 6-A-7 Building Collapse
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