Crack Resistance Properties of HPFRC Beam-Column Joints under Cyclic Load

Table 1

Specimen parameters.

Specimen	Joint types	Beam		Column			Reinforcement in joint region
		Dimensions bb × hb (mm × mm)	Tension longitudinal bars	Dimensions bc × hc (mm × mm)	Reinforcing bars	Test axial compression ratio
EJ-1	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.10	0
EJ-2	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.17	0
EJ-3	Exterior joints	150 × 250	2D14 + 1D10	200 × 200	4D14	0.10	5D6 (two legs hoop)
EJ-4	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.17	1D6 (two legs hoop)
EJ-5	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.10	2D6 (two legs hoop)
EJ-6	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.17	2D6 (two legs hoop)
EJ-7	Exterior joints	150 × 250	3D14	200 × 200	4D14 + 2D10	0.17	0
EJ-8	Exterior joints	150 × 250	2D14 + 1D10	200 × 200	4D14	0.17	0
EJ-9	Exterior joints	150 × 250	2D20 + 1D10	200 × 200	4D14	0.11	1D6 (two legs hoop)
EJ-10	Exterior joints	150 × 250	2D20 + 1D10	200 × 200	4D14	0.18	1D6 (two legs hoop)
EJ-H1	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.11	0
EJ-H2	Exterior joints	150 × 250	3D14	200 × 200	4D14	0.11	1D6 (two legs hoop)
J-1	Interior joints	250 × 350	3D14	200 × 200	4D14	0.11	0
J-2	Interior joints	250 × 350	3D14	200 × 200	4D14	0.20	0
J-3	Interior joints	250 × 350	3D14	200 × 200	4D14	0.11	1D6 (two legs hoop)
J-4	Interior joints	250 × 350	3D14	200 × 200	4D14	0.20	1D6 (two legs hoop)
LJ-1	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	0
LJ-2	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	0
LJ-3	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	1D10 (four legs hoop)
LJ-4	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	3D10 (four legs hoop)
LJ-5	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	5D10 (four legs hoop)
LJ-6	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	2D14 (web reinforcement)
LJ-7	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	4D14 (web reinforcement)
LJ-8	Interior joints	250 × 350	2D22 + 1D20	300 × 300	4D22 + 4D20	0.10	2D20 (vertical reinforcement)