Steel tube anti-flex energy dissipation support

A technology of anti-buckling energy dissipation, steel pipe, applied in the direction of earthquake resistance, structural elements, building components, etc., can solve the problems of difficulty in production and installation, obstacles to popularization and application, high price, etc., achieve simple manufacturing process, prevent local instability and high cost. The effect of order buckling, low requirements on fabrication and installation accuracy

Inactive Publication Date: 2007-07-18
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the existing buckling-resistant energy-dissipating support structures are very complicated, difficu

Method used

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  • Steel tube anti-flex energy dissipation support

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Embodiment Construction

[0018] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0019] Fig. 1 is a front view of the steel pipe anti-buckling energy-dissipating support provided by the present invention. The anti-buckling energy dissipation support of the steel pipe in the present invention is composed of a steel pipe axial force unit, a buckling restraint unit, an isolation unit and a connection unit; The unit is composed of concrete 2 poured inside the axial force unit of the steel pipe, and the concrete can be lightweight aggregate concrete; the isolation unit is arranged between the round steel pipe 1 and the concrete 2, and is made of a pressure-resistant low-friction film material or a pipe; The connecting unit is composed of reinforcing steel rings 4, end plates 5 and connecting plates 6 arranged at both ends of the axial force unit, and the reinforcing steel rings are welded to the end plates. A circular connec...

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Abstract

The present invention relates to structural engineering technology, and is especially one kind of flexure preventing energy dissipating steel pipe support, which comprises axial force unit of circular steel pipe, constraint unit of concrete poured inside the steel pipe, isolating unit set between the circular steel pipe and the concrete, and connecting unit in the ends of the support for connection between the support and the frame structure. Of the present invention, the axial force unit has very high rigidity to avoid the integral unstability of the support effectively, the filled concrete can avoid local unstbility and high order flexure of the axial force unit, and the support has plump hysteresis curve in both compressed or pulled state.

Description

technical field [0001] The invention relates to a novel buckling-resistant energy-dissipating support member, which belongs to the field of structural engineering. Background technique [0002] The supporting frame can effectively improve the lateral stiffness of the structure and enhance the seismic capacity of the structure. However, due to the buckling of traditional steel supports under compression, the energy dissipation capacity cannot be fully utilized. In order to overcome this difficulty, foreign researchers have developed a type of axially stressed members that are not easy to buckle under compression, called buckling-restrained braces or buckling-resistant energy-dissipating braces. The basic principle of the existing anti-buckling energy-dissipating support is: to wrap the restraint unit outside the core support unit, so that the core support unit does not buckle when it is under compression and reaches the full-section yield state, so that the support can be a ...

Claims

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Application Information

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IPC IPC(8): E04B1/98E04B1/18E04C3/00
Inventor 聂建国
Owner TSINGHUA UNIV
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