Experimental study on mechanical property degradation of thermal aging laminated rubber bearing
Source abstract
Abstract
Laminated Rubber Bearing (LRB) plays a significant role in recent bridge-supporting systems and its characteristics are mainly contributed by their nonlinear properties. However, LRB performance deteriorates during aging. To better understand the aging phenomenon and its influence on mechanical properties, several circular LRBs of different sizes were introduced. Firstly, thermal aging tests were carried out, and then pseudo-static tests were carried out to study the influence of aging on modulus, friction coefficient, and frictional sliding. The results show that the compression modulus and shear modulus are nonlinear with the aging time. The shape factor also affects mechanical properties. When the shape factor is larger, the effect of aging degradation on mechanical properties is alleviated. The frictional coefficients at the surfaces of testing LRBs get increased with the thermal aging period, which gets stable after 10-year aging. The initial friction-sliding displacements are increasing with the increase of thermal aging period.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Mechanical stress and fatigue analysis · Tribology and Wear Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (46)
Show source-provided references
1. Experimental study on sliding friction behavior of laminated rubber bearing and its mechanical model
2. Experimental investigation on the effectiveness of laminat-ed rubber bearings to isolate metro generated vibration10.1016/j.measurement.2017.07.019 ↗
3. Effects of seismic isolation bearing with sliding mechanism on the response of bridge
4. Experimental study on mechanical property of high damping rubber bearing for bridge
5. Analysis of mechanical properties of laminated rubber bearings based on transfer matrix method10.1016/j.compstruct.2016.09.074 ↗
6. Experimental study on mechanical properties of laminated rubber bearing considering slip effect
7. Experimental study on friction sliding performance of rubber bearings in bridges
8. Experiment of shear failure and friction sliding performance of elastom-eric bearings of bridges
9. Relationship between compressive elastic modulus and shape coefficient of laminated rubber bearing
10. Typical transverse damage of girder bridges supported by laminated ruber bearings and its influential factors
11. Energy dissipation test of LRB based on frictional slip
12. Multiaxial behaviors of laminated rubber bearings and their mode-ling. I: experimental study10.1061/(ASCE)0733-9445(2004)130:8(1119) ↗
13. Disequilibrium of uniform thickness effect on mechanics performance of the elastometric bearings pads
14. Seismic response of continuous girder bridge with laminated rubber bearing considering friction slid
15. Shear Performance of Common Plate Rubber Bearing with Friction Slipping
16. Tests for friction sliding performance of plate rubber bearing
17. Experimental investigation on ageing behaviors of rubbers used for bridge bearings10.2208/jsceja.62.176 ↗
18. Mechanical characterization of laminated rubber bearings and their modeling approach
19. design, mechanical properties and durability of the rubberized geopolymer concrete: a review
20. Research and analysis on service life and failure conditions of railway plate rubber bearings
21. Modeling and analysis of laminated rubber bearings under axial tensile loading10.1617/s11527-013-0108-3 ↗
22. Influence of environmental temperature on the frictional sliding performanc-e of plate rubber bearings
23. Stiffness analysis of rubber plate-support on large-span latticed shell structure
24. Experiment study on sliding friction performance of elastomeric pad bearing
25. Study on mechanical properties of plate rubber bearing of bridge under typical diseases
26. Numerical modeling and experimental validation of Sliding-LRBs considering hysteretic strength degradation
27. Fatigue life analysis of laminated elastomeric bearing pad
28. Modeling and numerical simulations with compressible damaged hyperelastic law: application to the laminated rubber bearing
29. Finite element simulation and experimental study of property for elastomeric pad bearing
30. Research on the aging shear performance of plate rubber bearings in bridges considering frictional slip in marine corrosion environment
31. Seismic performance of small and medium span girder bridges wit-h plate type elastomeric pad
32. Study on service of laminated rubber bearings under action of acid corrosion on time-depending reliability
33. Experimental study on the effect of alternating ageing and sea corrosion on laminated natural rubber bearing's tension-shear property10.1007/s42464-020-00045-9 ↗
34. Research on the time-dependent law of mechanical properties for the rubber isolation bearings based on thermal aging effect
35. Study on shear performance of common plate rubber bearing in aged situation
36. Effects of thermal aging on mechanical properties of laminated lead and natural rubber bearing10.12989/eas.2014.6.2.127 ↗
37. Shear tests of plain chloroprene rubber bearings of highway bridge under thermal aging condition
38. Analysis of the influence of the aging of the plate rubber bearing on the mechanical performance of the hollow plate girder bridge
39. J. Xie, Y.N. Zhang, C.H. Shan, Shear behaviour of laminated neoprene bridge bearing pads under thermal aging condition, Paper presented at the Global Conference on Mechanics and Civil Engineering (GCMCE). 132 (2017) 154–158.
40. Uncertainty analysis of compressive elastic modulus of LRB
41. Compressive ehaviour of laminated neoprene bridge bearing pads unde thermal aging condition10.4028/www.scientific.net/MSF.972.118 ↗
42. The effect of thermal ageing on the mechanical properties of natural rubber-based compounds used for rubber bearings10.5614/j.eng.technol.sci.2021.53.3.10 ↗
43. Time-varying properties of the mechanical model parameters of plate rubber bearings
44. Pseudo static test of seismic performance of rubber bearing plate under aging and eccentric compression
45. Ministry of Communications of the People's Republic of China (MOC), Laminated bearing for highway bridge. (2019).
46. J.R. Luo, Research on the Rubber Isolation Bearings Performance Deterioration Law under Marine Corrosion Environment, Guangzhou University, MA thesis. (2014).