Abstract
In order to study the effect of high-performance fiber cement composites (HPFRCC) on the mechanical properties of the joint of the frame structure, pseudo-static tests were conducted on seven beam-column subassemblies. Compared with the RC subassembly, the shear capacity of the HPFRCC beam-column connection was increased by 11.4%, and the shear deformation was reduced by 10.3%. The contribution ratio of the shear deformation to the drift was reduced by 22.7%. The value of the coefficient ηc and the flange width of the slab had a significant impact on the shear deformation of the HPFRCC joint. The shear deformation corresponding to the peak load of the joint can be controlled at about 0.01 when the coefficient ηc is 1.6, or the flange width is eight times the width of the slab thickness. The shear strength-shear deformation calculation model of the joint was established through the Bayesian parameter estimation, and the model analysis results were in good agreement with the test results.
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