Title: Lightweight self-compacting concrete with sintered fly-ash aggregate


Keywords: light-weight self-compacting concrete, sintered fly ash aggregate, flowability, passing ability, compressive strength

Abstract: The article presents the results of research assessing the possibility of making LWSCC from the locally produced sintered fly ash aggregate CERTYD. Two methods of preliminary LWA preparation were applied: pre-soaking with water and coating with a film of cement paste. The following properties of fresh LWSCC were evaluated: slump-flow, time T500 and passing ability using L-Box. Partial replacement of natural sand by fine LW sand (0/0.5 mm) improved filling and passing abilities of fresh concrete, reduced slightly the bulk density, but it resulted in compressive strength loss by 12-18%. In terms of both fresh and hardened concrete properties it is more favorable to use only fine LW sand as natural sand replacement. Considering fresh concrete properties paste impregnation of LW aggregate is more efficient than saturation with water.

DOI: 10.22630/PNIKS.2018.27.3.32

APA style references: Małaszkiewicz, D. & Jastrzębski, D. (2018). Lightweight self-compacting concrete with sintered fly-ash aggregate. Scientific Review Engineering and Environmental Sciences, 27 (3), 328-337. doi: 10.22630/PNIKS.2018.27.3.32

APA style citation in text: The first time citation in text: (Małaszkiewicz & Jastrzębski, 2018), next citation: (Małaszkiewicz & Jastrzębski, 2018)

Chicago style references: Małaszkiewicz, Dorota, Daniel Jastrzębski. "Lightweight self-compacting concrete with sintered fly-ash aggregate." Scientific Review Engineering and Environmental Sciences, 81 ser., vol. 27, no 3, (2018): 328-337. doi: 10.22630/PNIKS.2018.27.3.32.

Chicago style citation in text: (Małaszkiewicz, and Jastrzębski 2018)

Bibtxt style references: Bibtxt_utf8_81art9en.bib

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