Flexural Design and Analysis of Composite Beams with Inverted-T Steel Girder with Ultrahigh Performance Concrete Slab

Table 3

Crack and failure patterns of test members.

Test member	Occurrence of longitudinal crack on slab	Crack on lateral face of slab				Failure pattern
		Extension from midspan (mm)	Number of cracks	Crack width (mm)	Pattern
120f-50-50	No	200	4	0.01	C	Flexural compression
120f-50-100	No	—	—	—	—
120f-50-200	Yes	100	4	0.01	T	Flexural compression + failure of concrete around stud
120f-50-400	Yes	100	3	0.01	T
120f-100-50	No	400	8	0.02	T	Flexural compression
120f-100-100	No	200	4	0.02	T
120f-100-200	Yes	400	5	0.02	T	Flexural compression + failure of concrete around stud
120f-100-400	Yes	600	8	0.02	T
150f-50-50	No	100	5	0.01	C	Flexural compression
150f-50-100	No	—	—	—	—
150f-50-200	Yes	—	—	—	—	Flexural compression + failure of concrete around stud
150f-50-400	Yes	200	10	0.01	C
150f-100-50	No	400	6	0.02	T	Flexural compression
150f-100-100	No	400	5	0.02	T
150f-100-200	Yes	400	5	0.02	T	Flexural compression + failure of concrete around stud
150f-100-400	Yes	400	8	0.02	T
180f-50-50	No	Center	4	0.02		Flexural compression
180f-50-100	Yes	400	8	0.02
180f-50-200	Yes	800	18	0.02		Flexural compression + failure of concrete around stud
180f-50-400	Yes	400	10	0.02
180f-100-50	No	1000	13	0.02		Flexural compression
180f-100-100	No	1000	22	0.02
180f-100-200	No	1000	13	0.02		Flexural tension
180f-100-400	No	800	20	0.03