FIBER REINFORCED CONCRETE
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Abstract
A REINFORCED COMPOSITE MATERIAL SUCH AS CONCRETE MADE UP OF MATRIX OF CEMENTITIOUS MATERIAL COMBINED WITH A MULTIPLYCITY OF CLOSELY SPACED BUT RANDOMLY DISTRIBUTED ORIENTED REINFORCIN ELEMENTS. THE REINFORCING ELEMENTS ARE MADE OF HIGH TENSILE STRENGTH WIRE, RODS OR BANDS EACH IN THE FORM OF AN ENDLESS RING OR SOME OTHER CLOSED SHAPE IN WHICH THERE ARE NO FREE ENDS TO THAT THEY CANNOT SLIP WITH RESPECT TO THE MATRIX AS THE RESULT OF A FAILURE OF BOND BETWEEN THE TWO MATERIALS. THEY ARE DISTRIBUTED UNIFORMLY AND RANDOMLY THROUGHOUT THE MASS IN SUCH A WAY THAT EACH PORTION OF REINFORCED CONCRETE HAS ESSENTIALLY
THE SAME AMOUNT OF REINFORCING ELEMENT BY WEIGHT. ALSO, SINCE THE INCLINATION OF THE PLANES OF THE INDIVIDUAL REINFORCING ELEMENT ARE COMPLETELY RANDOM, THE COMPOSITE MATERIAL HAS ESSENTIALLY THE SAME STRUCTURAL PROPERTIES AT EVERY POINT WITHIN THE MASS, INCLUDING INCREASED COMPRESSIVE, TENSILE AND SHEAR STRENGTH.
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