Composite overfilled arch system
US7305798B1 · kind B1 · utility
21Cited by
27References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 2002 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jul 31, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D29/05
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An overfilled arch bridge system includes a composite arch which has a precast layer and a cast-in-place layer. The system further includes means for reducing bending moments within the overfilled arch. The means include customizing the arch end geometry and prestressing the arch prior to or during loading. The system can be used in connection with the overfilled arch system disclosed in co-pending patent application titled “Top Arch Overfilled System” filed by the same inventor on Mar. 22, 2002.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.