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US 10,753,095 B2Granted
Pre-stressed concrete structure with galvanized reinforcement
AssigneeNV Bekaert SA
InventorDale King
Life of this patent
Estimating the term…
Abstract
A pre-stressed concrete structure comprises a steel wire or a steel strand. The steel wire or steel strand has been pre-tensioned before curing of the concrete or grout. The steel wire or steel strand is provided with a zinc coating. The zinc coating has a weight ranging between 70 g/m2 and 950 g/m2. The steel wire or steel strand has an outer surface that is provided with indentions to provide mechanical anchorage points in the concrete structure. The steel wire or steel strand is further provided with a passivation layer in the form of a metal oxide layer.
Claims9
A pre-stressed concrete structure,
- said structure comprising a steel wire or a steel strand,
- said steel wire or said steel strand having been pre-tensioned before curing of the concrete or grout;
- said steel wire or said steel strand being provided with a zinc coating,
- said zinc coating having a weight ranging between 70 g/m2 and 950 g/m2;
- said steel wire or said steel strand having an outer surface that is provided with indentions to provide mechanical anchorage points in said concrete structure;
- said steel wire or said steel strand being provided with a passivation layer in the form of a metal oxide layer.
3 more elements
Dependencies are inferred from the claim text.