Patent ID: 9708821
Date: 2017-07-18
CPC Classifications: E04G

Claim:
1. A method of improving the performance of a concrete structure, comprising: preparing an area of interest of the concrete structure that needs repair and/or improvement by cleaning and roughening the area of interest; providing a concrete shell having a shape such that, when the shell is applied to the area of interest, the area of interest is substantially covered by the shell; placing the concrete shell adjacent to, or against, the area of interest or a curtilage thereof, the shell being separated from the area of interest by using one or more positioning elements that help create, and/or maintain, a cavity between the shell and the area of interest; attaching the shell to the area of interest or to the curtilage thereof by one or more fasteners and/or sealing the junction between the shell and the area of interest or the curtilage thereof; and injecting concrete, grout and/or epoxy into the cavity between the shell and the area of interest.