Fig.1

Structural diagram of specimen"

Fig.2

Loading schematic diagram and device schematic diagram"

Fig.3

Full view of loading process"

Fig.4

Calculation diagram of measured horizontal shear force in joint area"

Fig.5

Hysteretic curve of horizontal shear force-displacement at the top of column"

Fig.6

Skeleton curve of horizontal shear force-displacement at the top of column"

Table 1

Measured value of horizontalshear of specimen"

Fig.7

Overall condition of specimen after failure"

Table 2

Measured value of shear force ofdifferent parts in joint area"

Fig.8

Change curve of measured value of horizontal shear force during loading of eachcomponent in joint area"

Fig.9

Structural map of joint area"

Fig.10

Loading and boundary conditions of joint area"

Fig.11

Finite element model of joint area"

Table 3

Description of finite element model of joint area"

Fig.12

Horizontal shear-displacementcurve of joint area"

Table 4

Ultimate shear capacity of joint area model"

Table 5

Contribution of the components in the jointarea to the shear capacity"

Table 6

Shear capacity of each componentin the joint area"

Fig.13

Horizontal shear-displacement curveunder different axial compressionratio in joint area(SH-1)"

Table 7

Ultimate shear capacity of joint area underdifferent axial compression ratio"

Fig.14

Stress mechanism of columnconcrete in joint area"

Fig.15

Linear regression analysis of axial compression ratio and shear influence coefficient"

Table 8

Comparison of shear capacity calculatedby actual measurement, finite elementand formula in joint area"