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Labib, D.A. (author)A polymer-modified self-healing mortar is a mixture of Portland cement, water, sand, polymer and self-healing material. The polyacrylic ester emulsion (PAE) is used as polymer and as self-healing material bacterial spores from genus Bacillus + calcium lactate is used. The reason why this type of bacteria is used as a component of self-healing...bachelor thesis 2012