ASTM C617 - Gently press a freshly oiled capping plate on...

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Capping Cylindrical Concrete Specimens ASTM C-617 Tim Boyer CM 442 Pre-Lab Purpose The purpose of this lab is to practice the standard method of capping freshly molding concrete. Equipment Capping Plates – Neat cement caps and high-strength gypsum-plaster caps Alignment Devices – device to ensure cap is perpendicular and not off by more than 0.5 degrees Melting Pots for Sulfur Mortars Neat Hydraulic Cement Paste High-strength gypsum Cement Plaster Sulfur Mortar Procedure Freshly molded: After 2 to 4h of specimen molding, form cap by placing a conical mound of paste on the specimen
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Unformatted text preview: Gently press a freshly oiled capping plate on the conical mound until plate contacts rim of mold Cover in damp burlap Hardened Specimens: Clear any coatings or deposits Cap with Neat Hydraulic Cement Paste or High-strength gypsum Cement Plaster using method above Post-Lab Test Conditions The test conditions for this procedure were normal. Results The cylinder capped well. Comments The procedure was followed as written and everything proceeded normally....
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This note was uploaded on 04/29/2008 for the course CE 320 taught by Professor Mckinney during the Spring '08 term at Rose-Hulman.

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ASTM C617 - Gently press a freshly oiled capping plate on...

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