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A platform for research: civil engineering, architecture and urbanism
Double-steel pipe composite member filled with foamed aluminum
The invention discloses a double-steel pipe composite member filled with foamed aluminum. The composite member is of a cylindrical structure and comprises, from exterior layer to interior layer, an outer steel pipe (1), foamed aluminum (2) and an inner steel pipe (3), wherein the place between the outer steel pipe (1) and the inner steel pipe (3) is filled with the foamed aluminum (2), the center of the inner steel pipe (3) is filled with nothing, the wall thickness of the outer steel pipe (1) is no less than the wall thickness of the inner steel pipe (3), and the foamed aluminum (2) is of an open-pore or closed-pore structure which can be filled with a high-performance viscoelastic material. The outer and inner steel pipes provide peripheral constraint to the foamed aluminum and improve the strength of the foamed aluminum, and addition of the foamed aluminum compensates for the defects of low damping and poor energy-absorbing performance of a steel pipe member; the outer and inner steel pipes mainly bear axial acting force; and foamed aluminum between the outer and inner steel pipes is mainly used for absorbing energy and protect the structure during an earthquake, a strong breeze and violent vibration. The double-steel pipe composite member filled with the foamed aluminum is applicable to buildings and structures in a high-intensity zone, a high-performance structure and a high-rise building (such as a building of a thousand-meters scale).
Double-steel pipe composite member filled with foamed aluminum
The invention discloses a double-steel pipe composite member filled with foamed aluminum. The composite member is of a cylindrical structure and comprises, from exterior layer to interior layer, an outer steel pipe (1), foamed aluminum (2) and an inner steel pipe (3), wherein the place between the outer steel pipe (1) and the inner steel pipe (3) is filled with the foamed aluminum (2), the center of the inner steel pipe (3) is filled with nothing, the wall thickness of the outer steel pipe (1) is no less than the wall thickness of the inner steel pipe (3), and the foamed aluminum (2) is of an open-pore or closed-pore structure which can be filled with a high-performance viscoelastic material. The outer and inner steel pipes provide peripheral constraint to the foamed aluminum and improve the strength of the foamed aluminum, and addition of the foamed aluminum compensates for the defects of low damping and poor energy-absorbing performance of a steel pipe member; the outer and inner steel pipes mainly bear axial acting force; and foamed aluminum between the outer and inner steel pipes is mainly used for absorbing energy and protect the structure during an earthquake, a strong breeze and violent vibration. The double-steel pipe composite member filled with the foamed aluminum is applicable to buildings and structures in a high-intensity zone, a high-performance structure and a high-rise building (such as a building of a thousand-meters scale).
Double-steel pipe composite member filled with foamed aluminum
LI AIQUN (author) / TAO XUANJIE (author) / XU YIMING (author) / XU YANHONG (author)
2015-07-15
Patent
Electronic Resource
English
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