Seismic Resistance Properties of Improved Dry-Type Beam-Column Joint: An Experimental Research

Table 2

Performance parameters of steel bars and bolts (unit: N/mm²).

Type	Rebar/bolt diameter d (mm)	Yield strength, fyk	Ultimate strength, fstk	Elongation
HRB400	12	465.2	577.3	21.6％
HRB400	14	447.4	567.6	23.2％
HRB400	16	437.6	620.4	23.2％
HRB400	18	456.4	589.6	22.6％
HRB400	22	421.3	571.9	19.6％
HRB400	25	456.6	605.7	20.2％
Q345 bolt	28	380.2	516.8	17.9％
Grade-8.8 bolt	30	618.7	785.2	11.4%