The new model of truss element is based on the same stress-strain curves of tension, compression, and shear with the hexahedron element under the equivalent external force. Comparing and analyzing a simply supported elastoplastic concrete beam with initial cracks by using the new element method and the finite element method, it can be found that the load-displacement curve, the load-crack opening displacement curve, the contour of the displacement under the various loads, and the distribution of the horizontal normal stress under the maximum load are all in good agreement. Furthermore, the new element method can visually show the crack propagation and the failure process of concrete beam.
Supplemental Videos:
(1) https://www.bilibili.com/video/BV1XP411E7nM/?spm_id_from=333.999.0.0
(2) https://www.bilibili.com/video/BV1od4y1q7st/?spm_id_from=333.999.0.0
(3) https://www.bilibili.com/video/BV1Le4y1n7pm/?spm_id_from=333.999.0.0
(4) https://www.bilibili.com/video/BV1MN4y1A7E2/?spm_id_from=333.999.0.0
(5) https://www.bilibili.com/video/BV1C14y1778B/?spm_id_from=333.999.0.0
| Attachment | Size |
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| Study on Failure Process of Concrete Beams Based on A New Model of Truss Element.pdf | 802.21 KB |