Bamboo-shaped buckling-restrained brace
A buckling restraint and bamboo-shaped technology, which is applied to building components, earthquake resistance, etc., can solve problems such as performance impact, difficulty in setting up dense concrete and unbonded materials, complex structure of constraining components, etc., to achieve enhanced stable bearing capacity and small yield force , the effect of easy installation
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Embodiment 1
[0042] Such as Figure 1-7Shown: a bamboo-shaped buckling-constrained support, including a core component 1, an outer constraint component 2 and a reinforced connection component 3, the core component 1 is composed of a plurality of circular energy-dissipating segments 1-1 and circular elastic segments 1-2 along the longitudinal direction Alternate distribution structure, the circular energy dissipation section 1-1 and the circular elastic section 1-2 are coaxial, the circular energy dissipation section 1-1 has a cross-sectional area smaller than the circular elastic section 1-2, and the circular elastic section 1-2 It is formed by cutting along the periphery, the core component 1 is located inside the outer constraint component 2, the circular elastic section 1-2 of the core component is close to or tangent to the inner side of the outer constraint component 2, and the circular elastic section 1-2 is not directly connected by It consists of a plurality of middle elastic secti...
Embodiment 2
[0045] Such as Figure 8 As shown: this embodiment is the same as the rest of embodiment 1, except that the lengths of the multiple circular energy dissipation sections 1-1 of the core component gradually increase from both ends to the middle.
[0046] The length of a single circular energy dissipation section 1-1 of the core component does not exceed 8 times its radius.
[0047] Such as Figure 9 and 10 As shown in , it is a schematic diagram of compression deformation without and with reinforcement tubes in bamboo-shaped buckling-restrained braces. If there is no reinforcement cylinder in the reinforcement connection part (such as Figure 9 As shown), the elastic section at the end of the core component may yield under the action of the end bending moment generated by the axial force, resulting in a plastic hinge and a significant rotation angle α, which will amplify the effect of the end bending moment and seriously reduce the overall stability of the support . After t...
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