Concrete Additive Manufacturer Cleared in Bridge Collapse Case

Following the collapse of the pedestrian bridge over the Lowes Motor Speedway (USA) on May 29, 2000, the judge has dropped the case against Anti-Hydro International, a manufacturer of a concrete additive used in the bridge construction.

The accident resulted in injuries to 107 people, of which 61 sued and 12 of those have settled out of court.

The current case, is the first to be heard in court and relates to a $27 million law suit lodged by a couple who both sustained brain injuries, broken bones and emotional distress. Both have endured several surgical procedures since the accident.

Anti-Hydro manufacture a concrete additive that accelerates the curing of grout used in the bridge. The substance contains calcium chloride which was found to have corroded the steel reinforcing wires, ultimately leading to the failure of the bridge.

However, the case against Anti-Hydro was dropped when legal counsel for Anti-Hydro pointed out the grout directions stated that it should only be mixed with potable water, of which the Anti-Hydro product is not.

The case against Lowe’s Motor Speedway and Tindall Corp., the bridges’ constructor continues.

For more information on concrete, click here.

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