This study focuses on evaluating the suggested experimental methodology through a round robin test (RRT) among five laboratories within the framework of RILEM/TC 253 MCI (Micro-organisms-Cementitious Materials Interactions), WG4 (Engineered bacteria-based protective systems for cementitious materials) and it concerns only the part that examines the sealing efficiency. The testing sequence includes:
- tests for material characterization,
- crack introduction on mortar prisms,
- healing treatment and
- water tightness examination.
Specimens with and without bacteria-based self-healing agent were tested. After the completion of the tests the results of the different laboratories were gathered for purposes of comparison. The comparison revealed high scatter in the results of the suggested methodology. Therefore, the current paper gives some recommendations, for improving the tests procedures, which will later be adapted to the second RRT that will follow.
|Title of host publication||International RILEM Conference on Microorganisms-Cementitious Materials Interactions|
|Editors||V. Wiktor, H. Jonkers, A. Bertron|
|Volume||RILEM Proceedings Pro 102|
|Publication status||Published - 2016|
|Event||International Conference on Microorganisms-Cementitious Materials Interactions 2016 - Delft, Netherlands|
Duration: 23 Jun 2016 → 23 Jun 2016
|Conference||International Conference on Microorganisms-Cementitious Materials Interactions 2016|
|Period||23/06/16 → 23/06/16|