The question as to when the proper time to apply the stressing force to the post tensioned cable in this type of reinforced foundation is of considerable interest. If you apply the stressing load too soon you have the danger of pulling cable anchorages out of the green concrete. If you wait too long [...]
One of the more disagreeable features of construction concrete is its ability to generate cracks. Cracks are of several varieties. Some are very fine, almost invisible to the naked eye, some are large and ominous looking. There are two basic types of cracks; the first type is shrinkage related while [...]
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