The study is a study of. The engineering properties of concrete mixture for each size and properties by comparison between stone mountain and river rock pebbles. The strength test press compressor Split test using 3-dimension stone, i. Burton, for example, 2; 1; Birmingham, 15 ¾ floated a. coming in comparison.From studies that test usually takes at least 3-7 days, but in practice it is not possible to know the properties of the concrete that is in use, because mixing concrete each time there is a different time and place the mixture proportions for the confidence and accuracy, so it is necessary to learn and understand how to determine properties of concrete used in various construction projects that have, or are about to receive pressure shear values according to the engineers. The designer has designed or not, and if you don't follow up or designed to provide a way to update or add the values of all the visits, is what is required to have knowledge. Understanding in order to be able to work outside of properly according to the required standard.
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