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Showing posts from April 4, 2021

Quality control of concrete construction at site

  QUALITY CONTROL IN CONCRETE CONSTRUCTION Quality of concrete construction on site can be accomplished in three distinct stages as follow 1.      Quality control before concreting 2.      Quality control during concreting 3.      Quality control after construction STAGE-1   (QUALITY CONTROL BEFORE CONCRETING) This stage of quality control consists of two steps. 1.      Checking of specification requirements regarding excavation, forms, reinforcement and embedded fixtures etc. 2.      Control test on concrete ingredients (i.e. on cement, aggregate & water) Cement Quality of cement is ascertained by making compressive strength tests on cement cubes. However for effective control cement: §   Should be tested initially once for each source and subsequently once for every two months §   Should be protected from moisture §   Should be rete...