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Search: authors:"Danuta Barnat-Hunek"

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Effect of Fiber Hybridization on Durability Related Properties of Ultra-High Performance Concrete

Smarzewski Danuta Barnat-Hunek The purpose of the paper is to determine the influence of two widely used steel fibers and polypropylene fibers on the sulphate crystallization resistance, freeze-thaw

Property Assessment of Hybrid Fiber-Reinforced Ultra-High-Performance Concrete

The purpose of this study was to determine the effect of steel/polypropylene hybrid fibers on the mechanical properties and microstructure of ultra-high-performance concrete (UHPC). Tests were carried out on UHPC without and with fibers (steel and/or polypropylene in amounts of 0.25–1%). In this study, granite or granodiorite coarse aggregate with a grain size of about 2/8 mm was ...

Utilization of sewage sludge in the manufacture of lightweight aggregate

This paper presents a comprehensive study on the possibility of sewage sludge management in a sintered ceramic material such as a lightweight aggregate. Made from clay and sludge lightweight aggregates were sintered at two temperatures: 1100 °C (name of sample LWA1) and 1150 °C (name of sample LWA2). Physical and mechanical properties indicate that the resulting expanded clay ...