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Portable Screen Crushed Concrete

2011-6-30the hardened concrete is crushed and graded to astm c33 67he mix used for the green mile project is composed of 30 cca and 70 virgin limestone aggregate the mix includes a 40 replacement of portland cement with scms and uses recycled water from truck washout and stormwaterzinga says the contractor took precautions with regard to.

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