Seismic Behavior Experimental Study on the Joint of Circular Tubed Steel-Reinforced Concrete Columns

Table 5

Strain standard data of joint area.

Specimen	Steel strain gauge number and strain measurement value (με)
	13	14	15	16	17	Average	18	19	20	21	Average
SH-1	−2658	Invalid	−421	Invalid	−41	−1040	Invalid	Invalid	320	489	405
SH-2	−326	−573	−308	−100	−1164	−494	51	757	1045	Invalid	618