Optimum Design of TMD System for Tall Buildings

Table 5

Shear forces ratios between bar MRF, shear wall models and TMD group systems.

(a) Column (1)

System	One TMD/floor					Four TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	23	35	47	49	60	29	43	59	69	82
SW	−6	2	21	33	36	−2	15	37	50	70
System	Eight TMD/floor					Sixteen TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	23	46	64	75	83	8	43	72	85	89
SW	−5	19	44	61	74	5	14	58	77	82

Positive singes indicate reduction; negative singes indicate increase.

(b) Column (2)

System	One TMD/floor					Four TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	20	31	44	47	60	26	40	58	70	84
SW	−182	−171	−136	−144	−133	−191	−162	−134	−123	11
System	Eight TMD/floor					Sixteen TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	22	44	64	75	83	7	40	70	83	92
SW	−240	−139	7	12	47	−242	−119	10	29	46

Positive singes indicate reduction; negative singes indicate increase.

(c) Column (3)

System	One TMD/floor					Four TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	23	33	47	47	58	27	40	54	64	77
SW	4	15	34	32	44	9	24	42	53	69
System	Eight TMD/floor					Sixteen TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	22	41	57	71	80	6	35	64	76	82
SW	1	28	46	62	75	1	22	57	71	77

Positive singes indicate reduction; negative singes indicate increase.

(d) Column (4)

System	One TMD/floor					Four TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	18	29	41	44	56	25	35	53	65	82
SW	30	39	50	51	60	37	45	59	67	82
System	Eight TMD/floor					Sixteen TMD/floor
	1	2	4	10	20	1	2	4	10	20
Bar MRF	18	38	54	67	79	1	31	61	73	83
SW	28	47	60	71	81	16	44	68	77	87

Positive singes indicate reduction; negative singes indicate increase.