期刊
ADVANCES IN STRUCTURAL ENGINEERING
卷 25, 期 14, 页码 2833-2843出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/13694332221082728
关键词
nylon fabric laminated rubber bearing; manufacturing process; compression test; compression shear test; equivalent damping ratio
资金
- National Natural Science Foundation of China [51908024, 51978033]
- Pyramid talents development project-outstanding scholar of BUCEA [JDYC20200310]
Five samples of nylon fabric laminated rubber bearing were manufactured with different rubber layer thickness and cloth specifications. Compression and compression shear tests were conducted to evaluate the mechanical properties. Results showed that the vertical stiffness of the novel bearings is significantly lower than laminated steel rubber bearings, but with a vertical damping ratio of 7%. Effective horizontal stiffness decreases with increasing shear strain, without serious damage at 300% shear strain. Damping ratio varies within the range of 9%-13%.
Five samples of the nylon fabric laminated rubber bearing were manufactured with different rubber layer thickness and nylon cloth specifications. The compression and compression shear tests were conducted to evaluate the mechanical properties of the bearings. Results show the novel bearings' vertical stiffness is significantly lower than that of laminated steel rubber bearings, but their vertical damping ratio can reach 7%. The effective horizontal stiffness decreases with increasing shear strain due to rollover deformation. The bearings do not get seriously damaged when the shear strain is 300%. The equivalent damping ratio of the bearings varies in the range of 9%-13%.
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