A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental and theoretical study on axial stiffness of CFRP-bolted timber joints with slotted-in corrugated steel plates
Abstract To visualize the effect of shaped sections on the axial slip of joints and provide some experience for targeting improving the ductility, a type of CFRP-bolted timber joints with slotted- in corrugated steel plates was proposed and uniaxial parallel tensile tests were carried out, considering the effects of wavelength, wave height, wave angle, timber thickness, number of CFRP layers, number of bolts, and number of bolt columns. The results show that the axial stiffness is negatively correlated with the wavelength, fluctuates with the wave height, and is positively correlated with the wave angle, timber thickness, number of CFRP layers, number of bolts, and number of columns. In addition, based on the elastic foundation beam and spring stiffness analysis model, the axial stiffness theoretical formula was established and verified with the experimental results, establishing a feasible method for the design and analysis of the stiffness for this type of joint.
Highlights Considering the influence of shaped section on the mechanical properties of bolted timber joints with slotted-in steel plates, the paper proposed a type of CFRP-bolted timber joints with slotted-in corrugated steel plates and carried out the experimental and theoretical research on their axial stiffness. Based on the test results, the characteristics of the load-displacement curves and the failure modes of the joints were analyzed, and the effect patterns of each parameter on the stiffness and the degree of effect were clarified. Based on the spring force model and the elastic foundation model, the theoretical calculation formula of stiffness of single-bolt joint and group-bolt joint were established, providing certain experience and theoretical basis for the research and refinement design of bolted timber joints.
Experimental and theoretical study on axial stiffness of CFRP-bolted timber joints with slotted-in corrugated steel plates
Abstract To visualize the effect of shaped sections on the axial slip of joints and provide some experience for targeting improving the ductility, a type of CFRP-bolted timber joints with slotted- in corrugated steel plates was proposed and uniaxial parallel tensile tests were carried out, considering the effects of wavelength, wave height, wave angle, timber thickness, number of CFRP layers, number of bolts, and number of bolt columns. The results show that the axial stiffness is negatively correlated with the wavelength, fluctuates with the wave height, and is positively correlated with the wave angle, timber thickness, number of CFRP layers, number of bolts, and number of columns. In addition, based on the elastic foundation beam and spring stiffness analysis model, the axial stiffness theoretical formula was established and verified with the experimental results, establishing a feasible method for the design and analysis of the stiffness for this type of joint.
Highlights Considering the influence of shaped section on the mechanical properties of bolted timber joints with slotted-in steel plates, the paper proposed a type of CFRP-bolted timber joints with slotted-in corrugated steel plates and carried out the experimental and theoretical research on their axial stiffness. Based on the test results, the characteristics of the load-displacement curves and the failure modes of the joints were analyzed, and the effect patterns of each parameter on the stiffness and the degree of effect were clarified. Based on the spring force model and the elastic foundation model, the theoretical calculation formula of stiffness of single-bolt joint and group-bolt joint were established, providing certain experience and theoretical basis for the research and refinement design of bolted timber joints.
Experimental and theoretical study on axial stiffness of CFRP-bolted timber joints with slotted-in corrugated steel plates
Xu, Zhonggen (author) / Guo, Xuan (author) / Zhao, Yatao (author)
2024-01-10
Article (Journal)
Electronic Resource
English
Flexural behaviour of bolted joints of corrugated steel plates
| British Library Online Contents | 1992
Round Timber Bolted Joints with Steel Plates under Static and Cyclic Loading
| Trans Tech Publications | 2014