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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Development of a New Repair Mortar Using Secondary Raw Materials
 Figala, Petr
This paper deals with the research of a new repair mortar modified with secondary raw materials. The aim of the work is to develop a material characterized by chemical resistance suitable for the rehabilitation of sewer concrete structures. Resistance to aggressive sulphate solution and to attack by sulfuric acid was chosen as the key parameters for the choose of a final mixture. Chemical resistance was tested by simulating the exposure environment in laboratory conditions, according to the methodology of DIN 19573. The obtained results show that by suitable modification of the reference mortar it is possible to maintain the values of physical-mechanical characteristics and improve the chemical resistance of test samples. The final mixture will be further tested in field conditions.
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