Protection Of Reinforcing Steel

An anode assembly for attachment to exposed steel bars prior to covering the steel bars with one of a cementitious repair mortar and concrete to protect steel in one of the cementitious repair mortar and the concrete, the anode assembly comprising:

• a base metal less noble than steel;
• a conductor electrically connected to the base metal;
• a tying point;
• and
• a separate tie;
• wherein the tying point is defined by the conductor;
• the tying point is open to facilitate passing the separate tie through the tying point;
• and
• the tying point is located close to the base metal to maximise a possible adjustment by varying a length of the separate tie.

An anode assembly for attachment to exposed steel bars prior to covering the steel bars with one of a cementitious repair mortar and concrete to protect steel in one of cementitious repair mortar and the concrete, the anode assembly comprising;

• a base metal less noble than steel;
• a conductor electrically connected to the base metal;
• a tying point defined by the conductor;
• and
• a flexible, electrically conductive tie;
• wherein the tie passes through the tying point and about the steel to electrically connect the conductor to the steel and to positively locate the anode assembly in a spaced relationship with respect to the steel.

A method of protecting steel in concrete, the method comprising the steps of:

• passing a conductive tie through a tying point on a conductor and around the steel;
• tensioning the tie to make an electrical connection between the conductor and the steel;
• spacing the conductor from the steel;
• and
• covering the steel and the conductor with one of concrete and a cementitious repair mortar.

A method of protecting steel in concrete, the method comprising the steps of:

• forming an anode from a base metal less noble than steel;
• forming a porous spacer from a material having higher resistivity than one of concrete and cementitious repair material;
• placing the porous spacer between the anode and each of one or more steel bars;
• tying the anode to each of the one or more steel bars with a flexible conductive tie to make an electrical connection between the anode and each of the one or more steel bars;
• and
• covering the anode and the one or more steel bars with one of the concrete and cementitious repair material.