Cintec are conducting a comprehensive program of testing to evaluate the performance of the Blasted anchor system within a diverse series of masonry structures. This continuing program started in 1990’s with tests sponsored by the UK Security Service and other related international agencies.


Installation

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Two identical 3m x 3m x 225mm (10ft x 10ft x 9in) solid masonry walls were constructed. One wall was reinforced by a number of Cintec Multibar anchors; the other was left unreinforced. Each wall was subjected to an explosion from a 6kg (18lbs TNT equivalent) charge at 1m (39in) stand off. The results clearly show the effectiveness of the Blastec solution.


Unreinforced and Reinforced Window and Wall Tie

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Two further identical 3m x 3m x 225mm (10ft x 10ft x 9in) solid masonry walls each with a mild steel plate ‘window’ were constructed. One window used conventional mechanical bolts; the other was strengthened using Cintec Multibar Window anchors. Each wall was subjected to an explosion for a 6kg (18lbs TNT equivalent) charge at 1m (39in) stand off.


Reinforced and Unreinforced Hollow Block (CMU) Wall Test

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Two identical 3m x 3m x 225mm (10ft x 10ft x 9in) hollow block (CMU) masonry walls were constructed. One wall was reinforced using Cintec Multibar anchors;

Blast pressures from small charges near to the target produce very high pressures: Further tests are planned using very large charges at greater standoff.

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The other was left unreinforced. Each wall was subjected to an explosion from a 6kg (18lbs TNT equivalent) charge at 1.5M (59in) stand off)

Post test photo of a cavity wall masonry cube reinforced by Blastec anchors subjected to a blast load from 5kg (11lb) explosives at 1.2m (4ft).

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