METHODS FOR CONSTRUCTING ROAD TUNNELS BY INCREASING ACCESS SPACE

VN20005069YActive Publication Date: 2026-08-17CÔNG TY CỔ PHẦN TẬP ĐOÀN ĐÈO CẢ

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Patent Information

Application Number: VN2202400005
Authority / Receiving Office: VN · VN
Patent Type: Utility models
Current Assignee / Owner
Filing Date: 2024-01-03
Publication Date: 2026-08-17
Estimated Expiration: 2034-01-03

Application Information

Patent Timeline

03 Jan 2024

Application

VN2202400005

17 Aug 2026

Publication

VN20005069Y

Inventors: Ho Minh Hoang; Nguyen Tan Dong

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Abstract

A useful solution related to road tunnel construction involves increasing access space to shorten construction time, specifically: The tunnel is divided into upper and lower sections to suit equipment height and construction space requirements. The upper section is divided into 3 parts, and the lower section into 4 parts.

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