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用于轻型钢结构的混合管材的压缩性能

Compression Behavior of Hybrid Tubes for Lightweight Steel Structures.

作者信息

Torres-Escobar Gregorio, Suárez-Bermejo Juan Carlos, Arenas José Manuel

机构信息

Departamento Ciencia de Materiales, E.T.S.I. Navales, Univesidad Politécnica de Madrid, Av. de la Memoria n° 4, 28040 Madrid, Spain.

Centro de Investigación en Materiales Estructurales, Universidad Politécnica de Madrid, Calle del Prof. Aranguren n° 3, 28040 Madrid, Spain.

出版信息

Materials (Basel). 2021 Nov 11;14(22):6797. doi: 10.3390/ma14226797.

DOI:10.3390/ma14226797
PMID:34832199
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8625313/
Abstract

This research shows the results of an experimental investigation carried out on the compression behavior of hybrid steel tubes formed by two concentric steel tubes and four different fillers of non-metallic material interposed between both tubes: polyurethane foam, polyurethane, epoxy and a cement-based mortar. The tests show that the incorporation of a resistant filler in the double tube allows it to improve its mechanical behavior by allowing a second load cycle. Furthermore, the strain energy absorbed during the two cycles led to the conclusion that the epoxy-filled tube absorbed more energy per unit of weight than the other resistant fillers.

摘要

本研究展示了一项实验研究的结果，该研究针对由两根同心钢管以及介于两根钢管之间的四种不同非金属材料填充物（聚氨酯泡沫、聚氨酯、环氧树脂和水泥基砂浆）构成的混合钢管的压缩行为展开。试验表明，在双管中加入抗性填充物可使其通过允许第二个加载循环来改善其力学性能。此外，两个循环期间吸收的应变能得出以下结论：与其他抗性填充物相比，填充环氧树脂的管每单位重量吸收的能量更多。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/9468df88042f/materials-14-06797-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/57b997c5cb44/materials-14-06797-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/93aa9fd35815/materials-14-06797-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/4754aecd4468/materials-14-06797-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/4e4b09980e98/materials-14-06797-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/9d4091785cb7/materials-14-06797-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/85f65621f12f/materials-14-06797-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/73242189f52b/materials-14-06797-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/c92423714611/materials-14-06797-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/e4a7c3110ffb/materials-14-06797-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/9468df88042f/materials-14-06797-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/57b997c5cb44/materials-14-06797-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/2f6230c6d603/materials-14-06797-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/93aa9fd35815/materials-14-06797-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/4754aecd4468/materials-14-06797-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/4e4b09980e98/materials-14-06797-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/9d4091785cb7/materials-14-06797-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/85f65621f12f/materials-14-06797-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/73242189f52b/materials-14-06797-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/c92423714611/materials-14-06797-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/e4a7c3110ffb/materials-14-06797-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/afda/8625313/9468df88042f/materials-14-06797-g011.jpg

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