A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Static and fatigue bending tests of UHPC
The flexural behaviour, as observed under static and fatigue loading, is an essential aspect in the design of structures such as bridges. Beams of steel fibre reinforced ultra high strength concrete have been tested with a four point bending test at a 750 mm span. The static tests were deformation-controlled, the deflection was the control parameter. The fatigue tests were performed at a frequency of 10 Hz with a constant load ratio of 0.2. The actual value of the upper load level in the fatigue test was first assumed as a percentage of the previously determined static flexural strength, and later corrected. Two methods were used for the correction: a remaining half of the tested beam was tested again in a three point bending test, and the number of fibres and their orientation in a cross section close to the fracture surface was determined by image analysis.
Static and fatigue bending tests of UHPC
The flexural behaviour, as observed under static and fatigue loading, is an essential aspect in the design of structures such as bridges. Beams of steel fibre reinforced ultra high strength concrete have been tested with a four point bending test at a 750 mm span. The static tests were deformation-controlled, the deflection was the control parameter. The fatigue tests were performed at a frequency of 10 Hz with a constant load ratio of 0.2. The actual value of the upper load level in the fatigue test was first assumed as a percentage of the previously determined static flexural strength, and later corrected. Two methods were used for the correction: a remaining half of the tested beam was tested again in a three point bending test, and the number of fibres and their orientation in a cross section close to the fracture surface was determined by image analysis.
Static and fatigue bending tests of UHPC
Lappa, Eleni S. (author) / Walraven, Joost C. (author) / Braam, C. Rene (author)
2004
10 Seiten, 6 Bilder, 1 Tabelle, 10 Quellen
Conference paper
English
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