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Uni-axial compressive stress-strain relation of recycled coarse aggregate concrete after freezing and thawing cycles
HighlightsThe complete compressive stress-strain curves of RAC after freezing and thawing cycles were measured in this study.Theoretic stress-strain curve of RAC after freezing and thawing cycles was presented.Parameters of descending branch in stress-strain curve of RAC were given after freezing and thawing cycles.
AbstractThe mass loss, compressive strength, dynamic elastic modulus and stress-strain relationship of recycled coarse aggregate concrete under different cycles of freezing and thawing were investigated by comparison with normal concrete in the research reported in this paper. Forty-eight prism specimens with the size of 100mm×100mm×300mm and ninety-six cubic specimens with the size of 100mm×100mm×100mm were fabricated and tested. Test results show that, the mass loss of recycled coarse aggregate concrete decreased first then increased with the increase of freezing and thawing cycles; the relative cubic compressive strength and the relative dynamic elastic modulus of recycled aggregate coarse concrete decreased linearly with the increase of freezing and thawing cycles. The stress-strain curve of recycled aggregate concrete first ascended rapidly and then descended rapidly after exceeding the peak stress till to 1.5 times of the peak strain, finally turned into a slow decrease process. The ductility of recycled coarse aggregate concrete became worse with the increase of freezing and thawing cycles. Theoretic stress-strain curve of recycled coarse aggregate concrete after different cycles of freezing and thawing was presented and it was in good agreement with the experimental results from the other researcher.
Uni-axial compressive stress-strain relation of recycled coarse aggregate concrete after freezing and thawing cycles
HighlightsThe complete compressive stress-strain curves of RAC after freezing and thawing cycles were measured in this study.Theoretic stress-strain curve of RAC after freezing and thawing cycles was presented.Parameters of descending branch in stress-strain curve of RAC were given after freezing and thawing cycles.
AbstractThe mass loss, compressive strength, dynamic elastic modulus and stress-strain relationship of recycled coarse aggregate concrete under different cycles of freezing and thawing were investigated by comparison with normal concrete in the research reported in this paper. Forty-eight prism specimens with the size of 100mm×100mm×300mm and ninety-six cubic specimens with the size of 100mm×100mm×100mm were fabricated and tested. Test results show that, the mass loss of recycled coarse aggregate concrete decreased first then increased with the increase of freezing and thawing cycles; the relative cubic compressive strength and the relative dynamic elastic modulus of recycled aggregate coarse concrete decreased linearly with the increase of freezing and thawing cycles. The stress-strain curve of recycled aggregate concrete first ascended rapidly and then descended rapidly after exceeding the peak stress till to 1.5 times of the peak strain, finally turned into a slow decrease process. The ductility of recycled coarse aggregate concrete became worse with the increase of freezing and thawing cycles. Theoretic stress-strain curve of recycled coarse aggregate concrete after different cycles of freezing and thawing was presented and it was in good agreement with the experimental results from the other researcher.
Uni-axial compressive stress-strain relation of recycled coarse aggregate concrete after freezing and thawing cycles
Wu, Jin (author) / Jing, Xianhang (author) / Wang, Zhe (author)
Construction and Building Materials ; 134 ; 210-219
2016-12-21
10 pages
Article (Journal)
Electronic Resource
English
| British Library Online Contents | 2017
| British Library Online Contents | 2017
| SAGE Publications | 2018
| British Library Online Contents | 2018