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Mechanical properties of cement based materials – Extended Round Robin Test of cost action TU1404

Author(s): Violeta Bokan Bosiljkov, Marjeta Kramar Fijavž, Marijana Serdar
Paper category: Proceedings
Book title: SynerCrete’18: Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time Vol. 1 & 2
Editor(s): Miguel Azenha, Dirk Schlicke, Farid Benboudjema, Agnieszka Jędrzejewska
ISBN: 978-2-35158-202-2
e-ISBN: 978-2-35158-203-9
Publisher: RILEM Publications SARL
Publication year: 2018
Pages: 47-54
Total Pages: 8
Language : English

Abstract: The Extended Round Robin Testing program (RRT+) of COST ACTION TU1404 is the main activity within Working Group 1 (WG 1): Testing of cement-based materials (CBMs). In its Main Experimental Phase the RRT+ program is divided into six group priorities, among which group priority 1d (GP1d) deals with mechanical properties and creep of CBMs across several scales: hardened cement paste, mortar and concrete. One of the aims of the RRT+ as a whole is to extensively characterize a set of predefined CBMs and support the development and validation of material models in WG2 - modelling and benchmarking. At the end of the Main Experimental Phase of RRT+, results of 15 laboratories were available for analyses in the scope of GP1d. This paper focuses on statistical analysis of reported test results. The analysis was carried out for properties at 7 and 28 days, where the number of reported test results was high enough. For the compressive strength, observations of the mortar and concrete scale are given. For the tensile strength and unloading E-modulus, only the results at concrete scale are presented and discussed.

Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00

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