| Autor: |
Vanderwerf, Pieter |
| Předmět: |
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| Zdroj: |
Concrete Producer; Jul2007, Vol. 25 Issue 7, p39-42, 4p, 2 Color Photographs, 1 Black and White Photograph |
| Abstrakt: |
The article discusses the efforts of concrete producers to determine the right air content for frost-resistant concrete. According to the author, there is a little disagreement regarding how much air should be entrained. In general, most specifiers recommend 6 percent of the total volume to be air bubbles. A quality control program that executes tight control of air content aids build consumer confidence in their suppliers. |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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