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Architectural History and Theory

Experimental tests and numerical simulation of eccentrically loaded SRRC filled square steel tube columns

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Pages 1719-1735 | Received 23 Oct 2021, Accepted 18 Feb 2022, Published online: 07 Apr 2022

Figures & data

Figure 1. Geometric dimensions and composition characteristics of the specimens (Unit: mm).

Figure 1. Geometric dimensions and composition characteristics of the specimens (Unit: mm).

Table 1. Design parameters of the specimens.

Table 2. Basic mechanical properties of RAC material.

Table 3. Mechanical performance indexes of steel products in the specimens.

Figure 2. Test loading devices of the eccentrically loaded columns.

Figure 2. Test loading devices of the eccentrically loaded columns.

Figure 3. Failure characteristics on the typical specimens of the eccentrically loaded columns.

Figure 3. Failure characteristics on the typical specimens of the eccentrically loaded columns.

Figure 4. Load-displacement curves of the eccentrically loaded columns.

Figure 4. Load-displacement curves of the eccentrically loaded columns.

Figure 5. Mesh generation on the components of eccentrically loaded columns.

Figure 5. Mesh generation on the components of eccentrically loaded columns.

Figure 6. Interface model and boundary conditions in the models of eccentrically loaded columns.

Figure 6. Interface model and boundary conditions in the models of eccentrically loaded columns.

Figure 7. Stress nephogram of typical SECS-3 specimen.

Figure 7. Stress nephogram of typical SECS-3 specimen.

Figure 8. Stress nephogram of SECS-7 specimen.

Figure 8. Stress nephogram of SECS-7 specimen.

Figure 9. Stress nephogram of SECS-14 specimen.

Figure 9. Stress nephogram of SECS-14 specimen.

Figure 10. Comparison between the test curves and calculation curves of eccentrically loaded columns.

Figure 10. Comparison between the test curves and calculation curves of eccentrically loaded columns.

Figure 10. Continued.

Figure 10. Continued.

Table 4. Comparison between the numerical values and test values of eccentrically loaded columns.

Table 5. Comparison of calculation results and test results on the eccentric bearing capacity of columns.