Experimental Investigation OF Reinforced Concrete Beams with Pre-Organized Cracks under Long-term Loading

The paper presents the results of reinforced concrete beam tests in crack resistance, deformability under long-term loading. The study allowed evaluation stiffness and cracks resistance of reinforced concrete beam using pre-organized cracks and conventional reinforced concrete beam under long-term loading. The results of deflection of rein-forced concrete beams with pre-organized cracks under the action long-term loading are reduced deflection about 20%. Experimental studies of reinforced concrete beams with pre-organized cracks showed that the possibilities of smooth deformation appear at all loading stages with different levels of loads if compare with RC beams without organized cracks.