EVALUATION OF CAPPADOCIA PERLITES AS A BUILDING MATERIAL WITH NATURAL STONE RESIDUES

Abstract

The superior properties of perlite (thermal insulation, sound insulation, fire resistance, lightness) have led to the investigation of the possibilities of perlite usage in many areas. Although perlite has pozzolanic properties and does not have reserve problems in our country, it has not been a preferred material by cement manufacturers. The use of marble travertine residues in cement production is not very common in our country, although some cement manufacturers support it. In this study, the availability of cement samples produced by the use of natural perlite and marble travertine residues belonging to Nevşehir Acıgöl region in pozzolanic and doped Cements was investigated. In this study, the availability of cement samples produced by the use of natural perlite and marble travertine residues belonging to Nevşehir Acıgöl region in pozzolanic and doped Cements was investigated. Portland cement 5%, 10%, 15% and 20% marble travertine residues and perlite were replaced by pozzolanic and doped Cements and their properties were tested and their suitability investigated. In the experimental studies, 4 types of perlite-doped pozzolanic cement, 4 types of marble travertine-doped cement and composite Cements were produced. In the study, density, cement fineness, setting Times, water content, volume expansion, compressive strength tests were performed on the produced cements under laboratory conditions. The physical and chemical properties of the blended cements produced were compared with Portland cement. When the results of the experiment were examined, the increase in contribution rates decreased the pressure resistances of the concretes. The setting times of cement mortars increased and also contributed positively to the workability of concrete. There was no adverse effect on volume expansion. The pozzolanic and doped cements produced with perlite and marble travertine residues are within the standards according to TS en 197-1 and in cement production of both materials separately to 20 % and together up to 40% pozzolanic cement production up to 35% Portland Composite cement production can be used.

Keywords

• Marble and travertine residues
• Perlite
• Pozzolanic Cement
• Physical Properties
• Mechanical Properties

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