A Conceptual Design Approach of Coupled Shear Walls

Table 7

(a) investigative model of coupling beam in ATENA2D [18] as per IS 13920 [13], IS 456 [19], SP-16 [20], FEMA 273 [14], and FEMA 356 [15]. (b) investigative model of coupling beam in ATENA2D [18] as per IS 13920 [13], IS 456 [19], SP-16 [20], FEMA 273 [14], and FEMA 356 [15]. (c) investigative model of coupling beam in ATENA2D [18] as per IS 13920 [13], IS 456 [19], SP-16 [20], FEMA 273 [14], and FEMA 356 [15].

(a)  

Coupling beam
Type	𝐿𝑏 (m)	Shear/𝑡𝑤𝐿𝑤𝑓^′𝑐	𝐹 (kN)	Reinforced steel
				Longitudinal	Transverse
Conventional beam with longitudinal and transverse conforming reinforcement	0.6	≤3	585.4	8–10𝜙	2-legged 16𝜙@200 c/c
		≥6	1171	8–20𝜙	2-legged 25𝜙@200 c/c
	0.9	≤3	623.5	8–10𝜙	2-legged 16𝜙@200 c/c
		≥6	1247	8–20𝜙	2-legged 25𝜙@200 c/c
	1.2	≤3	661.7	8–10𝜙	2-legged 16𝜙@200 c/c
		≥6	1323	8–20𝜙	2-legged 25𝜙@200 c/c

(b)  

Coupling beam
Type	𝐿𝑏 (m)	Shear/𝑡𝑤𝐿𝑤𝑓^′𝑐	𝐹 (kN)	Reinforced steel
				Longitudinal	Transverse
Beam with diagonal reinforcement	0.6	≤3	585.4	8–10𝜙+4–20𝜙 as one diagonal	2-legged 16𝜙@200 c/c
		≥6	1171	8–20𝜙+4–30𝜙 as one diagonal	2-legged 25𝜙@200 c/c
	0.9	≤3	623.5	8–10𝜙+4–25𝜙 as one diagonal	2-legged 16𝜙@200 c/c
		≥6	1247	8–20𝜙+4–30𝜙 as one diagonal	2-legged 25𝜙@200 c/c
	1.2	≤3	661.7	8–10𝜙+4–25𝜙 as one diagonal	2-legged 16𝜙@200 c/c
		≥6	1323	8–20𝜙+4–35𝜙 as one diagonal	2-legged 25𝜙@200 c/c

(c)  

Beam
Type	𝐿𝑏 (m)	Shear/𝑡𝑤𝐿𝑤𝑓^′𝑐	𝐹 (kN)	Reinforced steel
				Longitudinal	Transverse
Beam with truss reinforcement	0.6	≤3	585.4	8–10𝜙+4–30𝜙 as one truss	2-legged 16𝜙@200 c/c
		≥6	1171	8–20𝜙+4–45𝜙 as one truss	2-legged 25𝜙@200 c/c
	0.9	≤3	623.5	8–10𝜙+4–30𝜙 as one truss	2-legged 16𝜙@200 c/c
		≥6	1247	8–20𝜙+4–40𝜙 as one truss	2-legged 25𝜙@200 c/c
	1.2	≤3	661.7	8–10𝜙+4–30𝜙 as one truss	2-legged 16𝜙@200 c/c
		≥6	1323	8–20𝜙+4–40𝜙 as one truss	2-legged 25𝜙@200 c/c