Combined Methods to Investigate the Crack-Bridging Ability of Waterproofing Membranes

Waldvogel, Marius Alexander; Zurbriggen, Roger; Berger, Alfons; Herwegh, Marco (2018). Combined Methods to Investigate the Crack-Bridging Ability of Waterproofing Membranes. In: International Congress on Polymers in Concrete (ICPIC 2018). 10.1007/978-3-319-78175-4_30

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Polymer modification of dry mortars with redispersible polymer powders is a
common approach to increase the mortar’s mechanical properties. The use of polymer-modified mortars (PMMs) as waterproofing membranes requires a well performing crack-bridging ability (CBA) to avoid infiltration of water into the construction owing to shrinkage or expansion. In order to evaluate the performance of PMMs, we present below a combination of crack bridging tests with optical analysis. Latter is exerted with digital image analysis on photos acquired during the tensile tests and pictures of CBA-samples, which have been fixated after a certain displacement. Additionally, thin-sections of fixated CBA-samples are investigated
using transmitted light-, UV- and SEM-microscopy. These methods are developed
to understand the (micro)mechanical initiation and evolution of cracks in order to
improve the crack-bridging ability of waterproofing membranes.

Item Type:

Conference or Workshop Item (Paper)


08 Faculty of Science > Institute of Geological Sciences

UniBE Contributor:

Waldvogel, Marius Alexander; Berger, Alfons and Herwegh, Marco


500 Science > 550 Earth sciences & geology
600 Technology > 690 Building & construction






Marius Alexander Waldvogel

Date Deposited:

19 Nov 2018 15:52

Last Modified:

25 Oct 2019 03:21

Publisher DOI:





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