aggregate use in concrete in iraq

USE OF RECYCLED CONCRETE AGGREGATES IN . The use of recycled aggregate concrete in pre-stressing applications is discussed in Section 3. A brief literature review on the effects of recycled concrete aggregate . Re: re-use old concrete as an aggregate ? | DIY Forums Sep 02, 2003· Yes, you can re use concrete as aggregate. In fact it's often sold crushed for this purpose. I'd also query your idea of burying CH pipes. Talk to my... Fundamentals of Concrete - USDA dry aggregate neither absorbs water from or contributes water to the concrete mixture. WATER-CEMENT RATIO (w/c) - The water-cement ratio of a concrete mix is the ratio of the weight of free-water in the mix to the weight of cement in the mix.    Read More