Numerical Study on the In-Plane and Out-of-Plane Resistance of Brick Masonry Infill Panels in Steel Frames

Table 4

Summary of the key IDA results for different infill configurations.

Specimen	Excitation		PGD (mm)	PGA (g)	= 1.0		= 0.75		= 0.6
					PWD^1 (mm)	PWA^2 (g)	PWD (mm)	PWA (g)	PWD (mm)	PWA (g)
Case  I	5%	El-Centro	10.7	0.016	4.9	0.892	5.1	0.906	5.3	0.941
	15%	El-Centro	32.0	0.048	28.8	0.918	30.0	0.851	32.3	0.898
	25%	El-Centro	53.4	0.080	31.2	1.072	36.7	0.921	Failure	NA
	35%	El-Centro	74.7	0.112	37.9	1.465	Failure	NA	Failure	NA
	50%	El-Centro	106.8	0.159	Failure	NA	Failure	NA	Failure	NA
	75%	El-Centro	160.2	0.239	Failure	NA	Failure	NA	Failure	NA
Case  II	5%	El-Centro	10.7	0.016	6.2	0.915	6.7	0.898	7.0	0.870
	15%	El-Centro	32.0	0.048	16.3	1.625	18.1	1.563	19.4	1.528
	25%	El-Centro	53.4	0.080	38.4	1.354	43.7	1.344	46.5	1.336
	35%	El-Centro	74.7	0.112	46.3	1.347	Failure	NA	Failure	NA
	50%	El-Centro	106.8	0.159	Failure	NA	Failure	NA	Failure	NA
	75%	El-Centro	160.2	0.239	Failure	NA	Failure	NA	Failure	NA
Case  III	5%	El-Centro	10.7	0.016	4.1	0.379	4.4	0.366	5.3	0.289
	15%	El-Centro	32.0	0.048	11.7	0.581	12.1	0.497	13.7	0.464
	25%	El-Centro	53.4	0.080	15.3	0.972	16.8	0.723	20.0	0.868
	35%	El-Centro	74.7	0.112	36.2	1.018	39.0	0.698	47.6	0.598
	50%	El-Centro	106.8	0.159	73.2	1.503	74.7	1.467	87.7	1.405
	75%	El-Centro	160.2	0.239	191.1	1.531	Failure	NA	Failure	NA

Peak wall displacement; peak wall acceleration.