Description of fatigue test method Four Point Bending (4PB) in use at the Dutch Road& Hydraulic Engineering Division (DWW) & Technical University Delft & Dutch Consultancy Agencies

The fatigue test used, is a four-point bending test. Prismatic specimens are fixed between four clamps. The two outer clamps do not allow vertical movement of the specimen. All four clamps shall allow free rotation and horizontal movement of the specimen. A vertical sinusoidal force is applied ...