perforated brick

perforated brick (Brit.)

A brick or block in which holes passing through it exceed 25% of its volume, and in which the holes are not small (as defined under solid masonry unit, 2); up to three holes, not exceeding 5 sq in. (32.5 sq cm) each, may be incorporated as an aid to handling.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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The fixing expands in concrete and solid brick, folds in perforated brick and folds or knots in board materials.
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Between 2 and 3.5 m in height, there are perforated brick walls, in the form of 10 windows.
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They can be used in all structures from concrete to low-strength blockwork, including solid and hollow materials such as perforated brick, hollow block and hollow precast concrete.
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Comparison of different materials attenuation Panel Initial Determined Attenuation Noise Noise Level [alpha] Level after dB dB Without panel 73,90 73,90 0 Glass 73,90 72,00 1,90 Brick 73,90 71,60 2,30 Perforated brick 73,90 71,30 2,60 Solid Wood 73,90 71,10 2,80 Acrylic 4 mm 73,90 70,90 3,00 Acrylic 8 mm 73,90 70,90 3,00 Studied panel 73,90 65,40 8,50
Evaluation of acoustic attenuation of composite wood panel through nondestructive test
Construction of the existing buildings, which lie side by side and are rectangular in plan, is of perforated brick within a concrete frame.
Historic fusion: One of Enric Miralles' last works shows in small, exquisite scale his sensitivity to old and new, tectonic and human
His protagonists could truly sense the designer's concern for every aspect, even the bell tower, a perforated brick cylinder with a spiral staircase within.
Making bricks soar

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