20813Minimum Displacement Capacity Requirements

For SDAP E, the following equation shall be satisfied:

where Ac is lateral displacement capacity of the pier or bent. It is defined as the displacement at which the first component reaches its maximum deformation. The factor of 1.5 on displacement demand recognizes the approximation of the modeling and analysis.

20.8.1.4 Structural Steel Design Requirements 20.8.1.4.1 Limiting Width-to-Thickness Ratios

In SDRs 2 to 6, the width-to-thickness ratio of compression elements of the columns in ductile MRF and single-column structures shall satisfy the limiting ratios specified in Table 20.10. Full penetration flange and web welds are required at beam-to-column connections.

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