Evaluation of Permeability Tests of Surface Layer of Concrete of Various Composition

Abstract:

Concrete is one of the most common building materials and its durability has been observed with increased attention. It can be said that concrete durability is closely connected with permeability and, generally speaking, the quality of its surface layer. Evaluating the quality of the surface layer of concrete is a rather difficult issue which can be addressed in different ways. The authors of this paper focus on three internationally used methods – TPT, GWT and ISAT. The paper sums up the results of the experiment whose goal was to investigate the influence of concrete composition on the outputs of the above-mentioned methods. For the purposes of the experiment, specimens were made using 9 mixtures which differed only in the amount of cement and plasticiser, i.e. water/cement ratio. The experiment was designed and evaluated using the statistical methodology DOE (Design of Experiment). Next, the paper discusses a new view of statistical evaluation of test results of the methods described above.

• Periodical: Key Engineering Materials (Volume 714)
• Pages: 171-178
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.714.171
• Online since: September 2016
• Authors: Petr Misák*, Petr Pőssl, Dalibor Kocáb, Iva Rozsypalová, Tomáš Stavař
• Keywords: Concrete, Concrete Surface Layer, Durability, Permeability

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