Development and microstructural characterization of ultra-lightweight aggregate concrete incorporating different sizes of polypropylene fibers

HIGHLIGHTS

• What: In this study, the properties of fresh concrete were evaluated by measuring the slump flow, which serves as a consistency indicator, as specified in EN 12350-6. The ROI images used in this study had a resolution of 900×900 pixels with a pixel size of 16.03 µm, which is adequate for identifying micropores within specimens. The aim of this study was to develop optimized ultra-lightweight concrete mixtures with a dry density of 800 kg/m3 and with appropriate mechanical and physical performance. This investigation provides a foundation for the development of very-low . . .
  

   

  

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