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Cattaneo, S.
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Publications (5/5 displayed)
- 2024Size effect between concrete interfaces under shear load
- 2016Hydrodynamic effects on three phase micro-packed bed reactor performance – gold-palladium catalysed benzyl alcohol oxidation
- 2003Determination of second-order susceptibility components of thin films by two-beam second-harmonic generationcitations
- 2001Fracture of rock from wedge indentation
- 2001Tensile and bending tests on very high performance concrete
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document
Tensile and bending tests on very high performance concrete
Abstract
<p>The strength and fracture behavior of very high performance concretes (compressive strength about 150 l'vfPa) were studied using interferometric measurements. At peak load, the development of the damage zone in terms of size and shape was observed for geometrically similar specimens of different sizes. The cement-based materials had an aggregate/binder ratio of 1.5, a microsilica/binder ratio of 0.1 and a water binder ratio of 0.22. Beams made without and with 1-2% by volume steel reinforcing microfibers were considered. It was shown that, when fibers were introduced in the brittle matrix, their influence on the control of crack bridging generated a reduction of the size effect on strength and structural brittleness.</p>