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US 2008/0155827 A1Published application
Method for repairing metal structure
OwnerEdward R. Fyfeinventor
Life of this patent
Estimating the term…
Abstract
A method for repairing concrete structural elements reinforced with steel rebar includes steps of: removal of debris and rust; attachment of expanded mesh zinc metal for sacrificial passive corrosion protection; and overwrapping with flexible panels of fiber-reinforced polymer composite material.
Claims14
A method for protecting a metal structural member against corrosion;
- including the steps of:
- providing an exposed portion of the metal member for making electrical connection;
- attaching a sheet of sacrificial metal to the surface of the member;
- including the sub-steps of:
- applying a first coating of an ion transmitting medium to the surface of the member;
- attaching a sheet of sacrificial metal over and in intimate contact with the coating;
- and
- applying a second coating of an ion transmitting medium over and in intimate contact with the sheet of sacrificial metal;
- connecting an electrical path between the sacrificial metal and the exposed portion of the metal member;
- and
- attaching a reinforcing panel over the embedded sacrificial metal;
- and
- introducing a solidifiable fluid between the sacrificial metal and the reinforcing panel.
10 more elements
A method for repairing steel-reinforced concrete structural members that have been damaged and for preventing additional damage;
- including the steps of:
- cleaning away and repairing spalled or cracked concrete;
- removing visible rust from steel reinforcement rods;
- providing an exposed portion of the steel reinforcement of the member for making electrical connection;
- attaching a sheet of perforated sacrificial metal to the surface of the member;
- connecting an electrical path between the sacrificial metal and the exposed portion of the steel reinforcement;
- and
- attaching reinforcing material over the surface of the sacrificial metal such that a gap is formed between the reinforcing material and the surface of the sacrificial metal;
- and
- backfilling the gap between the reinforcing material and the sacrificial metal by introducing a solidifiable fluid into the gap.
7 more elements
A method for protecting a metal structural member against corrosion;
- including the steps of:
- providing an exposed portion of the metal member for making electrical connection;
- providing a sheet of sacrificial metal;
- attaching the sheet of sacrificial metal to the surface of the member;
- connecting an electrical path between the sacrificial metal and the exposed portion of the metal member;
- and
- attaching reinforcing material over the sacrificial metal;
- and
- introducing a solidifiable fluid between the sacrificial metal and the reinforcing material.
6 more elements
Dependencies are inferred from the claim text.