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>1054) Variations of Properties of Column- and Wall-Concrete after Placing in Vartical Direction, Part 4 : on the Variations of Shumidt-Hammer Rebound- in case of Having Reinforcement or not and Varying Speed of Placing(Material Execution)
【2h】
1054) Variations of Properties of Column- and Wall-Concrete after Placing in Vartical Direction, Part 4 : on the Variations of Shumidt-Hammer Rebound- in case of Having Reinforcement or not and Varying Speed of Placing(Material Execution)