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Author:

曹艳辉 (曹艳辉.) | 贾俊峰 (贾俊峰.) | 欧进萍 (欧进萍.)

Indexed by:

zhihuiya

Abstract:

本发明公开了一种减小锚具回缩导致预应力损失的锚具结构,属于建筑锚具结构技术领域,弹性支撑件补偿收缩的锚具结构,在预制拼装桥墩遇地震作用下拼缝间产生的位移将由弹性支撑件压缩来补偿,避免了预应力筋被过大拉伸造成的预应力大幅增大,从而避免了夹片的回缩。也就是使锚具附近的变形让弹性支撑件的压缩来替代,避免夹片位置处的回缩产生不可逆的预应力损失,相较于常规锚具,解决了地震动作用下,无粘结预应力预制拼装桥墩预应力筋拉伸造成的夹片回缩,从而导致预应力损失的行为,专利作用机理明确,构造简便,便于加工和安装使用。

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Patent Info :

Type: 发明申请

Patent No.: CN202311557771.6

Filing Date: 2023-11-21

Publication Date: 2024-02-20

Pub. No.: CN117569198A

Applicants: 北京工业大学 ;;北京市政路桥股份有限公司

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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