Valorification of Volcanic Tuff in Constructions and Materials Manufacturing Industry

Zeolitic volcanic tuffs are important local reserve, which can be exploited in building materials industry both as rocks and the preparation of mortar for masonry, lightweight concrete or autoclaved aerated concrete. This study presents the results of the tests performed on different mortar recipes that are based on zeolitic volcanic tuff (from Macicaş quarry situated in the north-western part of Cluj-Napoca area) used as a substitute for cement or aggregate. The aim of the study is to obtain new building materialmade from local resources that can be used to realize new masonry works and to rehabilitate the old ones.