Influence of the Loading Rate on the Cracking Process of Concrete in Quasi-Static Loading Domain
Abstract
:1. Introduction
2. Equivalent Crack Concept
3. Rate Propagation of the Equivalent Crack Length in the Second Experimental Study
3.1. Information on the Experimental Study
3.2. Equivalent Crack Propagation
3.3. Propagation Rate of the Equivalent Crack Length
4. Discussion
5. Conclusions
Funding
Data Availability Statement
Conflicts of Interest
References
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Specimen n° | PS/P0 | δ0 (mm) | Failure Time (s) | Cycles Number | Secondary Displacement (D25) Creep Rate (×10−7 mm/s) |
---|---|---|---|---|---|
1 | 0.85 | 0.1 | 4400 | 4 | 86.5 |
2 | 0.85 | 0.08 | 1874 | 3 | 231 |
3 | 0.80 | 0.08 | 72,716 | 6 | 2.7 |
4 | 0.76 | 0.1 | No failure—stopped the test 252,594 | 8 | 0.311 |
5 | 0.80 | 0.1 | 93,713 | 12 | 6.15 |
Specimen n° | Time (s) | Experimental Compliance (×10−3 mm/kN) | Equivalent Crack Length (mm) |
---|---|---|---|
1 | 1511 | 2.7 | 81 |
2128 | 2.8 | 83 | |
2802 | 2.9 | 84 | |
3976 | 3.1 | 88 | |
2 | 705 | 2.6 | 80 |
1281 | 2.8 | 83 | |
1753 | 3.0 | 87 | |
3 | 2299 | 2.5 | 78 |
6448 | 2.7 | 82 | |
15,240 | 3.0 | 86 | |
66,338 | 2.9 | 85 | |
68,508 | 3.0 | 87 | |
72,358 | 3.3 | 91 | |
4 | 3349 | 3.2 | 90 |
13,332 | 3.4 | 94 | |
17,195 | 3.3 | 92 | |
20,802 | 3.6 | 96 | |
24,231 | 3.7 | 97 | |
250,407 | 3.8 | 99 | |
252,022 | 4.1 | 102 | |
252,594 | 4.1 | 102 | |
5 | 4388 | 3.2 | 90 |
7548 | 3.3 | 91 | |
10,258 | 3.4 | 92 | |
14,691 | 3.4 | 92 | |
18,053 | 3.5 | 95 | |
21,992 | 3.6 | 96 | |
25,384 | 3.6 | 96 | |
28,774 | 3.7 | 97 | |
32,089 | 3.9 | 99 | |
85,274 | 3.9 | 100 | |
88,228 | 3.9 | 100 | |
91,922 | 4.1 | 103 |
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Rossi, P. Influence of the Loading Rate on the Cracking Process of Concrete in Quasi-Static Loading Domain. CivilEng 2023, 4, 1-11. https://doi.org/10.3390/civileng4010001
Rossi P. Influence of the Loading Rate on the Cracking Process of Concrete in Quasi-Static Loading Domain. CivilEng. 2023; 4(1):1-11. https://doi.org/10.3390/civileng4010001
Chicago/Turabian StyleRossi, Pierre. 2023. "Influence of the Loading Rate on the Cracking Process of Concrete in Quasi-Static Loading Domain" CivilEng 4, no. 1: 1-11. https://doi.org/10.3390/civileng4010001