Improving the Structural Reliability of Steel Frames Using Posttensioned Connections

Table 1

Relevant characteristics of the steel frames.

Frame	F4	F6	F8	F10
Number of stories	4	6	8	10
Internal columns
Story 1	W21 × 122	W30 × 173	W36 × 210	W36 × 280
Story 2	W21 × 122	W30 × 173	W36 × 210	W36 × 280
Story 3	W21 × 111	W30 × 148	W36 × 194	W36 × 245
Story 4	W21 × 111	W30 × 148	W36 × 194	W36 × 245
Story 5		W30 × 124	W36 × 170	W36 × 210
Story 6		W30 × 124	W36 × 170	W36 × 210
Story 7			W36 × 160	W36 × 182
Story 8			W36 × 160	W36 × 182
Story 9				W36 × 150
Story 10				W36 × 150
External columns
Story 1	W18 × 97	W27 × 146	W36 × 194	W36 × 280
Story 2	W18 × 97	W27 × 146	W36 × 194	W36 × 280
Story 3	W18 × 86	W27 × 129	W36 × 182	W36 × 245
Story 4	W18 × 86	W27 × 129	W36 × 182	W36 × 245
Story 5		W27 × 114	W36 × 160	W36 × 210
Story 6		W27 × 114	W36 × 160	W36 × 210
Story 7			W36 × 135	W36 × 182
Story 8			W36 × 135	W36 × 182
Story 9				W36 × 150
Story 10				W36 × 150
Beams
Story 1	W16 × 67	W18 × 71	W21 × 83	W21 × 68
Story 2	W16 × 57	W18 × 76	W21 × 93	W21 × 93
Story 3	W16 × 45	W18 × 76	W21 × 93	W21 × 101
Story 4	W16 × 40	W16 × 67	W21 × 83	W21 × 101
Story 5		W16 × 50	W18 × 71	W21 × 101
Story 6		W16 × 45	W18 × 65	W21 × 93
Story 7			W18 × 55	W21 × 73
Story 8			W18 × 46	W21 × 68
Story 9				W21 × 57
Story 10				W21 × 50