Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof
US11319690B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 3, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Aug 12, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D2600/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for constructing an assembled recyclable rectangular working well with preset detachable door openings comprises steps of: (I) designing according to functional requirements for a rectangular working well; (II) constructing by supporting piles; (III) installing prefabricated top beam; (IV) edge protection construction; (V) alternate construction of earthwork excavation, retaining slabs and internal support breast beams; (VI) installing the ladder entering the rectangular working well; (VII) rectangular working well back cover; (VIII) demolition of the detachable subsection support piles in the door part and completing the construction of the assembled recyclable rectangular working well in the preset detachable door hole; (IX) after the operation in the well is completed, during the backfilling process of the rectangular working well, gradually recovering the working well components such as the retaining slab, the internal support girder, the prefabricated crown beam and the supporting piles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.