Concrete Technology

Protection of Newly Placed Concrete Curing Time Newly placed Concrete Curing Time in the initial stages of setting(up to 12-24 hrs.) should be protected by approved means from frost, mist-, rain and drying winds. Exposed

Finished Concrete Works and Workability of Concrete Finished Concrete Works Check and inspect after stripping of formwork for defects such as; Honeycombing Porous concrete and voids Exposure of reinforcement Poor joints Inadequate cover to reinforcement

Factors Affecting Failures in Concrete Structure Failures in concrete structures can be due to any of the following factors: 1. incorrect selection of materials 2. errors in design calculations and detailing 3. poor construction methods

Various Type of Test on Fresh Concrete The following various type of test on fresh concrete given below: Workability: The workability of a concrete mix gives a measure of the ease with which fresh concrete

Core Test for Concrete Structure In Case of doubt regarding the grade of concrete used,either due to poor workmanship or based on results of cube strength tests,compressive strength test of concrete maybe carried out by