| 摘要 |
A precast modular panel suitable for forming at least a portion of a wall or other part of a building comprising a layer of lightweight high strength concrete. The lightweight aggregates comprise scoria to impart strength to the concrete, in cooperation with especially selected pumice to provide water resistance and high insulative properties, along with chopped fiberglass to enhance the structural strength, so that the lightweight concrete possesses strengths fully comparable to those of many concretes for structural uses. The insulative properties of the lightweight concrete contrasts very favorably to those of other lightweight concretes, and with conventional structural concrete. The panel may be so constructed as to require no subsequent decorative finishing.
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