Tunnel open hole support

CN309531798SActive Publication Date: 2025-10-03SHIJIAZHUANG TIEDAO UNIV
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Patent Information

Application Number
CN202530065944.6
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-10-03
Estimated Expiration
2040-02-14

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Abstract

1. The name of this design product: Tunnel open hole bracket. 2. Purpose of this design product: to enhance the structural stability and bearing capacity of tunnel open holes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
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