A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Variable-cross-section double-pipe SMA-ECC concrete column
The invention relates to a variable-cross-section double-pipe SMA-ECC concrete column which comprises an SMA outer pipe, an SMA inner pipe and an ECC filling layer. The SMA inner pipe is a reducer pipe with a large upper end and a small lower end, the SMA inner pipe is sleeved with the SMA outer pipe at intervals, and the gap between the SMA outer pipe and the SMA inner pipe is filled with the ECC filling layer. Compared with a traditional double-steel-pipe concrete column, on one hand, the SMA and ECC materials are used, the ductile deformation and energy dissipation capacity of the column body are enhanced, the post-earthquake self-resetting capacity is achieved, and the influence of residual deformation on the using structure is reduced; and on the other hand, by adjusting design parameters of the variable cross-section inner pipe, the position and the length of a plastic hinge area of the column body can be optimized, and the energy consumption and the self-resetting capacity of the structural column are further enhanced. The product not only inherits the advantages of the existing concrete filled steel tubular column, but also is superior to the existing concrete filled steel tubular column, has excellent mechanical properties and self-resetting capability, and has a good engineering application prospect.
本发明涉及一种变截面双管SMA‑ECC混凝土柱，包括SMA外管、SMA内管和ECC填充层；所述SMA内管为上端大下端小的变径管，SMA内管间隔套装在SMA外管内部，所述ECC填充层填充在SMA外管和SMA内管之间的间隙内。本发明与传统双钢管混凝土柱的区别在于：一方面，使用SMA和ECC材料增强了柱体的延性变形、耗能能力并具有了震后自复位能力，减小残余变形对于使用结构的影响；另一方面，通过调整变截面内管的设计参数，能够优化柱体塑性铰区的位置和长度，进一步增强结构柱的耗能和自复位能力。该产品不仅继承了现有钢管混凝土柱的优点，同时该产品优于现有的钢管混凝土柱，具有优越的力学性能和自复位能力，工程应用前景良好。
Variable-cross-section double-pipe SMA-ECC concrete column
The invention relates to a variable-cross-section double-pipe SMA-ECC concrete column which comprises an SMA outer pipe, an SMA inner pipe and an ECC filling layer. The SMA inner pipe is a reducer pipe with a large upper end and a small lower end, the SMA inner pipe is sleeved with the SMA outer pipe at intervals, and the gap between the SMA outer pipe and the SMA inner pipe is filled with the ECC filling layer. Compared with a traditional double-steel-pipe concrete column, on one hand, the SMA and ECC materials are used, the ductile deformation and energy dissipation capacity of the column body are enhanced, the post-earthquake self-resetting capacity is achieved, and the influence of residual deformation on the using structure is reduced; and on the other hand, by adjusting design parameters of the variable cross-section inner pipe, the position and the length of a plastic hinge area of the column body can be optimized, and the energy consumption and the self-resetting capacity of the structural column are further enhanced. The product not only inherits the advantages of the existing concrete filled steel tubular column, but also is superior to the existing concrete filled steel tubular column, has excellent mechanical properties and self-resetting capability, and has a good engineering application prospect.
本发明涉及一种变截面双管SMA‑ECC混凝土柱，包括SMA外管、SMA内管和ECC填充层；所述SMA内管为上端大下端小的变径管，SMA内管间隔套装在SMA外管内部，所述ECC填充层填充在SMA外管和SMA内管之间的间隙内。本发明与传统双钢管混凝土柱的区别在于：一方面，使用SMA和ECC材料增强了柱体的延性变形、耗能能力并具有了震后自复位能力，减小残余变形对于使用结构的影响；另一方面，通过调整变截面内管的设计参数，能够优化柱体塑性铰区的位置和长度，进一步增强结构柱的耗能和自复位能力。该产品不仅继承了现有钢管混凝土柱的优点，同时该产品优于现有的钢管混凝土柱，具有优越的力学性能和自复位能力，工程应用前景良好。
Variable-cross-section double-pipe SMA-ECC concrete column
一种变截面双管SMA-ECC混凝土柱
QIAN HUI (author) / SHI YIFEI (author) / YE YIXIANG (author) / WU PENG (author) / LI ZONGAO (author) / WANG DONGSHENG (author) / TANG YI (author) / XIE JIYI (author) / FENG JINGTAO (author) / GAO JUNDONG (author)
2023-01-10
Patent
Electronic Resource
Chinese
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