Influence of Waste Crushed Limestone and Waste Micronized Marble Powder on Mechanical Properties of Cement Composite

Abstract:

For production of the samples were used several types of aggregate: the standard sand from Zalezlice, the standard sand from Gaza, waste crushed limestone, waste marble sludge and waste micronized marble powder. The Portland cement CEM I 42.5 R produced in Radotín was used as binder. Testing was carried at prismatic samples of dimension 40 × 40 × 160 mm. Another approach than previously used solutions consists primarily in micronization marble sludge with a high-speed mill, this modified micronized filler may also an impact on the final properties of composite materials based on cement. The micronized powder may have binding properties that are activated in this way. Dynamic modulus of elasticity, dynamic shear modulus, flexural strength and compressive strength were determined for the 28 days old samples.

• Periodical: Key Engineering Materials (Volume 722)
• Pages: 222-227
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.722.222
• Online since: December 2016
• Authors: Zdeněk Prošek*, Jaroslav Topič, Karel Šeps, Pavel Tesárek
• Keywords: Cement Composites, Crushed Limestone, High-Speed Milling, Marble Powder, Mechanical Properties

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