Lightweight self-compacting concrete with sintered fly-ash aggregate

• Autorzy: Małaszkiewicz D. , Jastrzębski D.

Identyfikatory

DOI

10.22630/PNIKS.2018.27.3.32

• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

light-weight self-compacting concrete; sintered fly ash aggregate; flowability; passing ability; compressive strength

• Wydawca: Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
• Czasopismo: Przegląd Naukowy Inżynieria i Kształtowanie Środowiska
• Rocznik: 2018
• Tom: Vol. 27, No. 3
• Strony: 328--337
• Opis fizyczny: Bibliogr. 19 poz., tab., wykr., zdj.

Twórcy

autor

Małaszkiewicz D.

• Politechnika Białostocka, Wydział Budownictwa i Inżynierii Środowiska, ul. Wiejska 45e, 15-351 Białystok, Poland

autor

Jastrzębski D.

• Student - Politechnika Białostocka, Wydział Budownictwa i Inżynierii Środowiska, ul. Wiejska 45e, 15-351 Białystok, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).