Experimental study on stochastic responses of reinforced concrete beams under fatigue loading
Source abstract
Abstract
Abstract This paper studies the influence of the randomness at the material level on fatigue behaviors of reinforced concrete structures. Nine same beam specimens were loaded in fatigue in the same manner. It is seen that the fatigue lives, failure modes, deflections, concrete and reinforcement strains of the specimens all exhibited much scatter. The different failure modes of the specimens, which consisted of a flexural mode and a shear mode, are explained by several competing failure mechanisms. Analysis of the experiment using the S-Nc curve approach indicates that this approach cannot provide a correct estimate on the failure modes of the specimens.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Structural Behavior of Reinforced Concrete · Structural Response to Dynamic Loads · Structural Load-Bearing Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (31)
Show source-provided references
1. Fatigue performance of concrete beams strengthened with CFRP plates10.1061/(ASCE)1090-0268(1999)3:2(63) ↗
2. CEB-FIP. Fib model code for concrete structure 2010. Lausanne: Wilhelm Ernst & Sohn; 2013.
3. Fatigue behavior of reinforced concrete beams
4. Static and fatigue strength in shear of beams with tensile reinforcement
5. Shear fatigue strength of reinforced concrete members without transverse reinforcement according to the compression chord capacity model10.1016/j.engstruct.2020.110495 ↗
6. CNS. Code for design of concrete structures. Beijing: China Building Industry Press; 2010.
7. CNS. Standard for test methods of concrete physical and mechanical properties. Beijing: China Building Industry Press; 2019.
8. Shear fatigue behavior of reinforced concrete elements without shear reinforcement10.1016/j.engstruct.2014.08.005 ↗
9. Rate effect of the stress-strain behavior of concrete under uniaxial tensile stress
10. Fatigue behavior of reinforced concrete beams strengthened with carbon fiber reinforced plastic laminates10.1061/(ASCE)1090-0268(2004)8:2(132) ↗
11. Fundamental study on shear failure of reinforced concrete beams
12. Basic facts concerning shear failure
13. The riddle of shear failure and its solution
14. Response of reinforced concrete beams at high strain rates
15. Unified nano-mechanics based probabilistic theory of quasi-brittle and brittle structures: Ⅱ. Fatigue crack growth, lifetime and scaling10.1016/j.jmps.2011.03.007 ↗
16. Unified nano-mechanics based probabilistic theory of quasibrittle and brittle structures: I. Strength, static crack growth, lifetime and scaling10.1016/j.jmps.2011.03.002 ↗
17. Li J, Chen J B. Stochastic dynamics of structures. Singapore: John Wiley & Sons; 2009.10.1002/9780470824269 ↗
18. Stochastic nonlinear behavior of reinforced concrete frames. Ⅰ: experimental investigation10.1061/(ASCE)ST.1943-541X.0001442 ↗
19. Stochastic damage model for concrete based on energy equivalent strain10.1016/j.ijsolstr.2009.01.024 ↗
20. Li J, Wu J, Chen J. Stochastic damage mechanics of concrete structures. Beijing: Science Press; 2014.
21. Park · 1975
22. Fatigue behavior of RC beams strengthened with GFRP sheets10.1061/(ASCE)1090-0268(2001)5:4(246) ↗
23. Assessing concrete strength variability in existing structure based on the results of NDTs10.1016/j.conbuildmat.2018.04.055 ↗
24. A rate-dependent stochastic damage-plasticity model for quasi-brittle materials10.1007/s00466-014-1100-7 ↗
25. Influence of fatigue loading in shear failures of reinforced concrete members without transverse reinforcement10.3151/jact.13.263 ↗
26. A probabilistic fatigue model based on the initial distribution to consider frequency effect in plain and fiber reinforced concrete10.1016/j.ijfatigue.2012.11.013 ↗
27. Fatigue of steel reinforcement bars in concrete: a review10.1111/j.1460-2695.1979.tb01084.x ↗
28. Statistical analysis of concrete compressive strengths for California highway bridges10.1061/(ASCE)CF.1943-5509.0000404 ↗
29. Experimental investigations of failure modes of reinforced concrete beams without web reinforcement10.1016/j.engstruct.2019.01.102 ↗
30. Assessing the spatial variability of the concrete by the rebound hammer test and compression test of drilled cores10.1016/j.conbuildmat.2018.08.138 ↗
31. Experimental study of full process variability of concrete under uniaxial compression