Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall
To enhance the dynamic performance of shear walls, fine-grained rubberized basalt fiber concrete has been proposed as an alternative to conventional concrete. This is a promising material, yet the existing literature lacks an in-depth analysis of its energy dissipation properties. A comprehensive st...
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Sustainable Development Press Limited
2024-09-01
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| Series: | Sustainable Structures |
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| author | Artem Zaitsev Evgenii Matiushin Victoria Shvetsova Alexander Burukhin Stepan Konev Radmir Karamov Skolkovo Institute of Science and Technology, Moscow – 121205, Russia. |
| author_facet | Artem Zaitsev Evgenii Matiushin Victoria Shvetsova Alexander Burukhin Stepan Konev Radmir Karamov Skolkovo Institute of Science and Technology, Moscow – 121205, Russia. |
| author_sort | Artem Zaitsev |
| collection | DOAJ |
| description | To enhance the dynamic performance of shear walls, fine-grained rubberized basalt fiber concrete has been proposed as an alternative to conventional concrete. This is a promising material, yet the existing literature lacks an in-depth analysis of its energy dissipation properties. A comprehensive study was performed of fine-grained 100 x 100 mm cylindrical rubberized concrete specimens, both with and without basalt fibers, under low-cycle compression fatigue. The first concrete mixture had a volume fraction of 10 % crumb rubber, and the second concrete mixture contained a volume fraction of 0.3 % basalt fiber in addition to 10% crumb rubber. Scanning electron microscopy and computer tomography were used to validate the material's inner structure, adhesion, crumb rubber and basalt fiber distribution. To acquire the mechanical and dynamic properties of the material, hysteresis loops were obtained from 1000 cycles of compression fatigue tests under 0.1 and 0.05 strain rates on a servo-hydraulic machine through quasi-static laboratory tests. The obtained concrete properties were incorporated into VUMAT plasticity model of concrete and imported to ABAQUS for seismic analysis of reinforced concrete shear walls. A cyclic pushover analysis of the shear wall has been conducted to characterize its hysteretic behavior and energy dissipation for two consecutive concrete series, predicting long-term seismic performance. The concrete series with basalt fiber exhibited higher seismic resilience with hysteretic damping of 9.3% compared to 8.7% for the series without basalt fibers. |
| format | Article |
| id | doaj-art-785f551c0f1b488883173770be9e1437 |
| institution | Kabale University |
| issn | 2789-3111 2789-312X |
| language | English |
| publishDate | 2024-09-01 |
| publisher | Sustainable Development Press Limited |
| record_format | Article |
| series | Sustainable Structures |
| spelling | doaj-art-785f551c0f1b488883173770be9e14372025-02-01T08:17:20ZengSustainable Development Press LimitedSustainable Structures2789-31112789-312X2024-09-012410.54113/j.sust.2024.000045Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wallArtem Zaitsev0Evgenii Matiushin1Victoria Shvetsova2Alexander Burukhin3Stepan Konev4Radmir Karamov5Skolkovo Institute of Science and Technology, Moscow – 121205, Russia.6Skolkovo Institute of Science and Technology, Moscow – 121205, Russia.Moscow State University of Civil Engineering, Moscow – 129337, RussiaMoscow State University of Civil Engineering, Moscow – 129337, RussiaSkolkovo Institute of Science and Technology, Moscow – 121205, Russia.Skolkovo Institute of Science and Technology, Moscow – 121205, Russia.Skolkovo Institute of Science and Technology, Moscow – 121205, Russia.Ivan SergeichevTo enhance the dynamic performance of shear walls, fine-grained rubberized basalt fiber concrete has been proposed as an alternative to conventional concrete. This is a promising material, yet the existing literature lacks an in-depth analysis of its energy dissipation properties. A comprehensive study was performed of fine-grained 100 x 100 mm cylindrical rubberized concrete specimens, both with and without basalt fibers, under low-cycle compression fatigue. The first concrete mixture had a volume fraction of 10 % crumb rubber, and the second concrete mixture contained a volume fraction of 0.3 % basalt fiber in addition to 10% crumb rubber. Scanning electron microscopy and computer tomography were used to validate the material's inner structure, adhesion, crumb rubber and basalt fiber distribution. To acquire the mechanical and dynamic properties of the material, hysteresis loops were obtained from 1000 cycles of compression fatigue tests under 0.1 and 0.05 strain rates on a servo-hydraulic machine through quasi-static laboratory tests. The obtained concrete properties were incorporated into VUMAT plasticity model of concrete and imported to ABAQUS for seismic analysis of reinforced concrete shear walls. A cyclic pushover analysis of the shear wall has been conducted to characterize its hysteretic behavior and energy dissipation for two consecutive concrete series, predicting long-term seismic performance. The concrete series with basalt fiber exhibited higher seismic resilience with hysteretic damping of 9.3% compared to 8.7% for the series without basalt fibers.http://www.sustain-dpl.com/UploadFile/article/202409031400220642.pdflightweight reinforced concrete shear wallseismic resilienceenergy dissipationdynamic performance optimizationrubberized basalt fiber concretecyclic pushover analysis |
| spellingShingle | Artem Zaitsev Evgenii Matiushin Victoria Shvetsova Alexander Burukhin Stepan Konev Radmir Karamov Skolkovo Institute of Science and Technology, Moscow – 121205, Russia. Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall Sustainable Structures lightweight reinforced concrete shear wall seismic resilience energy dissipation dynamic performance optimization rubberized basalt fiber concrete cyclic pushover analysis |
| title | Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall |
| title_full | Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall |
| title_fullStr | Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall |
| title_full_unstemmed | Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall |
| title_short | Effect of short basalt fibers on energy-dissipating properties of lightweight rubberized concrete shear wall |
| title_sort | effect of short basalt fibers on energy dissipating properties of lightweight rubberized concrete shear wall |
| topic | lightweight reinforced concrete shear wall seismic resilience energy dissipation dynamic performance optimization rubberized basalt fiber concrete cyclic pushover analysis |
| url | http://www.sustain-dpl.com/UploadFile/article/202409031400220642.pdf |
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