International Journal of Concrete Structures and Materials

Table 7 Feasibility evaluation of the grouted splice connection in accordance to assessment criteria, with respect to each load case.

From: An Experimental Study of Welded Bar Sleeve Wall Panel Connection under Tensile, Shear, and Flexural Loads

	Tensile test
Criteria	C1	C2	C2	C3	C5	Remarks
Specimen	Strength ratio, R _s	Yield ratio, R _y	Ductility ratio, R _d	Failure mode*^a	Service ratio, R _sv
Equation	(1)	(2)	(3)		(5)
Req.	≥1.25	≥1.0	≥4.0	F	≥0.75
WBS-1	0.86	0.86	1.47	S	1.00	NA
WBS-2	0.79	0.79	1.7	S	1.00	NA
WBS-3	0.75	0.75	1.71	S	1.00	NA
WBS-4	1.31	1.14	14.9	F	0.89	A
WBS-5	1.27	1.16	7.64	S	0.91	A
WBS-6	1.26	1.13	7.04	S	0.92	A
WBS-7	1.33	1.13	13.13	F	0.85	A
WBS-8	1.33	1.15	14.35	F	0.89	A
WBS-9	1.33	1.14	13.85	F	0.86	A

	Shear test
Criteria			C2	C3	C4	C5	Remarks
Specimen	Disp. at yield, δ _y*^b	Avg. ult. disp.	Ductility ratio, R _d*^c	Failure mode	Control ref.*^d	Service ratio, R _sv
Equation		(δ _u,st,b1+ δ _u,st,b2 )/2	(3)			(5)
Req.			≥4.0	F	√	≥0.75
WBS-1
WBS-2	0.2	61.0	305	S	X	0.54	NA
WBS-3
WBS-4
WBS-5	0.9	43.6	48.4	F	X	0.28	NA
WBS-6	0.4	47.5	118.8	F	√	0.26	NA
WBS-7
WBS-8	1.2	41.9	34.9	F	X	0.31	NA
WBS-9

	Flexural test
Criteria	C1	C2	C2	C3	C4	C5	Remarks*^e
Specimen	Strength ratio, R _s	Drift ratio, R _df (%)	Ductility ratio, R _d	Failure mode	Control ref.	Service ratio, R _sv	Remarks*^e
Equation	(1)	(4)	(3)			(5)
Req.		≥0.5%	≥4.0	F	√	≥0.75
WBS-1
WBS-2	0.29	0.36	1.72	S	X	1.00	NA
WBS-3
WBS-4	1.07	0.73	2.63	S	X	0.89	NA
WBS-5	1.35	1.26	6.60	F	√	0.77	A
WBS-6	0.43	0.35	1.09	S	X	1.00	NA
WBS-7
WBS-8	1.43	1.85	7.91	S	√	0.79	A
WBS-9

^aS—bar bond-slip failure, F—bar fracture failure.
^bThe displacement at yield is obtained from the load–displacement response of the specimens.
^cThe ductility ratio is computed by dividing the ultimate displacement with the average value of the displacement at yield of all specimens.
^d√—the capacity of the specimen is equal or larger than the control specimen, X—the capacity is less than the control specimen.
^eA—applicable, NA—non-applicable.
^fThe italized values or conditions not fulfilling the requirements.

Back to article page