PVDF (Polyvinylidene Fluoride) membrane material anchoring structure in strong wind zone of high-altitude dry-hot valley

By using the PVDF membrane anchoring structure and the design of the anchoring foundation and mounting base, the sealing problem at the connection between the membrane roof and the anchoring foundation in air-supported membrane structures in high-altitude, hot, dry valleys with strong winds has been solved, achieving higher sealing performance and installation accuracy.

CN121345381AActive Publication Date: 2026-01-16中国水利水电第七工程局有限公司
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Patent Information

Application Number
CN202511945116.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-22
Publication Date
2026-01-16
Estimated Expiration
2045-12-22

AI Technical Summary

Technical Problem

In high-altitude, dry, hot river valleys with strong winds, the sealing performance of the membrane roof of air-supported structures at the connection with the anchor foundation is poor, making it difficult to meet the sealing requirements of complex wind fields.

Method used

The PVDF membrane anchoring structure includes an anchoring foundation, mounting base, bolts, and anchoring plate. A well-sealed connection is formed through the steel reinforcement skeleton and concrete filler of the anchoring foundation. The design of the mounting base and bolts improves installation accuracy and sealing performance.

Benefits of technology

It improves the sealing performance between the edge of the membrane roof and the anchoring base, enhances the reliability of the mounting base and the anchoring base, prevents the mounting base from deforming under stress, simplifies the installation difficulty of the screw, and improves the installation accuracy and sealing effect of the membrane roof.

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Abstract

The invention discloses a PVDF (Polyvinylidene Fluoride) membrane material anchoring structure in a strong wind zone of a high-altitude dry-hot valley, and relates to the technical field of air membrane buildings. The PVDF membrane material anchoring structure comprises an anchoring foundation, a mounting seat, a screw rod and an anchoring plate. The anchoring foundation comprises a steel reinforcement framework and concrete filler. The concrete filler is poured into the steel reinforcement framework. And the mounting seat is embedded into the concrete filler and connected with the steel reinforcement framework. The mounting base has a first mounting plate. A first surface on one side of the first mounting plate in the thickness direction is flush with the surface of the concrete filler and is exposed out of the surface of the concrete filler. The anchor plate overlaps the first mounting plate. And the anchoring plate and the first mounting plate are used for clamping two sides of the edge part of the membrane ceiling. One end of the screw rod is perpendicular to the first surface, penetrates through the first mounting plate and is embedded into the concrete filler, and the other end of the screw rod sequentially penetrates through the membrane ceiling and the anchoring plate and is connected with the anchoring plate. According to the scheme, the first surface of the first mounting plate is exposed, so that the sealing performance of the air film building is improved.
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