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Urban Park Invites Unilock's Photocatalytic Cement-Bound, Permeable Pavers

Chicago Mayor Richard Daley led a mid-August dedication of a new city park with plaza paved in Unilock Eco-Priora stones. Located in the downtown-bordering West Loop community, Mary Bartelme Park is the latest project using the producer’s signature permeable pavers and Essroc TX Active cement

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Astm C9 Eyes Standard For Post-Tensioning Grout Bleed Stability

ASTM WK28156, Test Method for Bleed Stability of Cementitious Grout Under Static Pressure, is geared to rapid identification of grout properties that can lead to stressed steel strand corrosion; spalling of encasement concrete for post-tensioning ducts; and, misalignment of base plates with attendant bearing and equipment failure

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