000012779 001__ 12779
000012779 005__ 20160920162645.0
000012779 04107 $$aeng
000012779 046__ $$k2016-09-05
000012779 100__ $$aHadl, P.
000012779 24500 $$aInvestigations on the scattering in the post cracking tensile behaviour of UHPFRC

000012779 24630 $$n6.$$pInsights and Innovations in Structural Engineering, Mechanics and Computation
000012779 260__ $$bTaylor and Francis Group, London, UK
000012779 506__ $$arestricted
000012779 520__ $$2eng$$aThis contribution presents research on the scattering in the post cracking tensile behaviour of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC). The main objective of this work is to determine the essential influence factors for the scattering in the post cracking tensile behaviour. The experimental programme includes 8  series of four-point bending tests, 48  specimens in total, varying the cross-sectional geometry, steel fibre type and fibre content. Each test series consists of 6 specimens. In order to exclude influences caused by the production and casting of UHPFRC, the specimens of one series were always cast in a continuous beam (length 4.2 m) and cut out later. To gather information on the fibre orientation and distribution, slices were cut from each specimen after its bending test. By using an opto-analytic method it was found that the detected number of fibres in the section varies widely among all specimens, while the fibre orientation is almost uniform. The results of the experimental programme show decreasing scattering with increasing fibre content and cross-section area. Further, a statistical model to predict the scattering in the post cracking tensile behaviour has been developed and is presented.

000012779 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000012779 653__ $$a

000012779 7112_ $$aSixth International Conference on Structural Engineering, Mechanics and Computation$$cCape Town, South Africa$$d2016-09-05 / 2016-09-07$$gSEMC2016
000012779 720__ $$aHadl, P.$$iKim, H.$$iTue, N.-V.
000012779 8560_ $$ffischerc@itam.cas.cz
000012779 8564_ $$s1808020$$uhttps://invenio.itam.cas.cz/record/12779/files/227.pdf$$yOriginal version of the author's contribution as presented on CD, 227.pdf.
000012779 962__ $$r12552
000012779 980__ $$aPAPER