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US 5,472,497 AGranted
Concrete or mortar resistant to spalling under fire attack
OwnerHans Jaklininventor
Life of this patent
Estimating the term…
Abstract
Reinforced concrete members consisting of a high-strength concrete are subject to explosive spalling. Such spalling can be prevented by the introduction of a capillary system into the concrete of such members, containing substantially linear capillaries having a diameter of at least 3 .mu.m and a length of at least 5 mm.
Claims5
Concrete or mortar resistant to spalling under fire attack, characterized by a capillary pore system with substantially linear capillaries having a diameter of at least 3 .mu.m and a length of at least 5 mm.
Dependencies are inferred from the claim text.