Tunnel protection structure suitable for active fault areas and high ground stress areas
US11598210B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2022 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Aug 17, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D11/05
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a tunnel protection structure suitable for active fault areas and high ground stress areas, and relates to the technical field of tunnel engineering construction. The tunnel protection structure comprises at least one protection unit, wherein a plurality of protection units are sequentially connected and distributed along the axial direction of a tunnel, and the protection units comprise a radial protection ring and two axial protection rings which are fixedly arranged between a lining structure and surrounding rock and are distributed along the axial direction of the tunnel; the radial protection ring comprises a plurality of radial buffer energy consumption layers which are sequentially sleeved along the radial direction of the tunnel; and the axial protection ring comprises a plurality of axial buffer energy consumption layers which are sequentially and fixedly connected along the axial direction of the tunnel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.