Control of Quality Concrete Base on Curing Methods

This concrete maintenance procedure is very difficult to carry out in the field or construction project, because of the influence of the volume of concrete in a large field, also very high mobility. The purpose of this study is to analyze maintenance-based concrete quality control in construction projects that are in accordance with SNI-2493-2011 standards. The research method carried out by the experimental method, the test object used was cylindrical with a diameter of 15 cm and a height of 30 cm, with fc 25 MPa plan. The treatment method is to cover the concrete using wet "goni‟ sacks and sprinkling the concrete using water, with variations of treatments for 1 day, 3 days and 7 days such as the time of treatment in the construction project. as a concrete quality control with a method of soaking concrete for 28 days according to SNI-2493-2011. Test Results The value of concrete compressive strength that reaches only concrete control compressive strength of 25.97 MPa or greater than f'c of 3.88% and for the treatment method in the field no one reaches the plan compressive strength value. However, from the treatment method in the field, the optimum compressive strength is the maintenance method to cover concrete with "goni‟ sacks for 7 days at 24.11 MPa. In general, concrete treated in the field with a maintenance method closes the concrete using "goni‟ sacks the compressive strength value is higher than the concrete sprinkling treatment method.