Method for constructing steel sheet pile cofferdam on deep sand gravel overburden layer
US11840817B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 22, 2022 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jun 22, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D19/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for constructing a steel sheet pile cofferdam is provided, including: step S1, determining a construction area of the steel sheet pile cofferdam; step S2, piling steel casings, and welding guide frame brackets to the steel casings, the guide frame brackets are connected with a guide frame and limiting clamp plates; step S3, piling steel sheet piles by relying on the guide frame; step S4, pouring subsealing concrete at a bottom of the steel sheet pile cofferdam; step S5, arranging purlins and internal supports within the steel sheet pile cofferdam; step S6, perform a secondary subsealing at the bottom of the steel sheet pile cofferdam; step S7, pumping water within the steel sheet pile cofferdam through a pump and pouring to form a bearing platform on the subsealing concrete; step S8, removing the steel sheet pile cofferdam after the bearing platform is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.