Roads and Bridges - Drogi i Mosty
16, 1, 2017, 37-46

The influence of cyclic loading on the static strength of cement-bound sand – qualitative analysis

Karol Brzeziński Mail
Warsaw University of Technology, Faculty of Civil Engineering, Institute of Roads and Bridges, Al. Armii Ludowej 16, 00-637 Warsaw, Poland
Grzegorz Adamczewski Mail
Warsaw University of Technology, Faculty of Civil Engineering, Institute of Roads and Bridges, Al. Armii Ludowej 16, 00-637 Warsaw, Poland
Paweł Tutka Mail
Warsaw University of Technology, Faculty of Civil Engineering, Institute of Roads and Bridges, Al. Armii Ludowej 16, 00-637 Warsaw, Poland
Published: 2017-03-29

Abstract

The main purpose of the paper is to evaluate the effect of cyclic loading on the static bending strength Rb of cement-bound sand (CBS). The mixture contained graded standard quartz sand bound with cement added at a proportion of 10% of the weight of sand. The main part of the experimental research were three-point bending tests performed on rectangular specimens. The specimens were subjected to cyclic pre-loading with different numbers of cycles and different bending force values. Strength tests were then conducted on pre-loaded specimens and the results were compared with non-preloaded specimens. ANOVA statistical analysis method was applied to the comparison of average strengths. This revealed an increase of static strength for specific cyclic pre-loading conditions. The influence of the number of pre-loading cycles and of the bending force value on the strength of specimens was checked as the next step.

Keywords


bending strength, cement-bound sand, strengthening effect, 3-point bending

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The influence of cyclic loading on the static strength of cement-bound sand – qualitative analysis

  
Brzeziński, Karol; Adamczewski, Grzegorz; Tutka, Paweł. The influence of cyclic loading on the static strength of cement-bound sand – qualitative analysis. Roads and Bridges - Drogi i Mosty, [S.l.], v. 16, n. 1, p. 37-46, mar. 2017. ISSN 2449-769X. Available at: <>. Date accessed: 24 Aug. 2019. doi:http://dx.doi.org/10.7409/rabdim.017.003.