Experimental analysisof concrete with partial cement replacement using incinerated hospital waste ash

• Autorzy: Iqbal Muhammad Shoaib , Bux Qadir , Ali Afsar , Abdullahi Saleh Mamman , Rahman Abdur

Identyfikatory

DOI

10.35784/bud-arch.5880

Warianty tytułu

PL

Eksperymentalna analiza betonu z częściowym zastąpieniem cementu popiołem ze spalonych odpadów szpitalnych

• Języki publikacji: EN

Abstrakty

EN

The annual production of medical waste from healthcare facilities in Pakistan is around 250,000 tons. An effective waste management system is essential for disposing of hazardous medical waste, and incineration is considered the most effective and accessible technology. Disposal of medical waste ash in landfills without proper treatment could lead to groundwater contamination due to leachate. This research paper aims to evaluate the feasibility of using hospital waste ash obtained from the National Cleaner Production Center (NCPC) in Rawalpindi as a partial replacement for cement. The primary variable in this study was the amount of hospital waste ash (0%, 3%, 7%, and 10% by weight of cement), while the amount of cementitious material, water-to-cement ratio, and fine and coarse aggregate content were kept constant. A total of 36 cubes were cast, with nine cubes for each replacement level for curing periods of 7, 14, and 28 days. The slump value and density of fresh concrete decreased with the increase in the proportion of hospital waste ash in the mix. The compressive strength of mixes with 3% hospital waste ash was higher than that of the control mix. The best results (20.13 MPa) were obtained from the 3% mix after 28 days of curing, while the result obtained with the 7% mix was nearly equal to that of the control mix.

PL

Roczna produkcja odpadów medycznych z placówek służby zdrowia w Pakistanie wynosi około 250.000 ton. Skuteczny system zarządzania odpadami jest niezbędny do utylizacji niebezpiecznych odpadów medycznych, a spalanie jest uważane za najbardziej efektywną i dostępną technologię. Składowanie popiołu z odpadów medycznych na wysypiskach bez odpowiedniego przetworzenia może prowadzić do zanieczyszczenia wód gruntowych z powodu odcieków. Niniejszy artykuł badawczy ma na celu ocenę możliwości wykorzystania popiołu ze spalania odpadów szpitalnych, uzyskanego z Krajowego Centrum Produkcji Surowców Wtórnych (NCPC) w Rawalpindi, jako częściowego zamiennika cementu. Główną zmienną w tym badaniu była ilość popiołu z odpadów szpitalnych (0%, 3%, 7% i 10% masy cementu), podczas gdy ilość materiału cementowego, stosunek wody do cementu oraz zawartość drobnego i grubego kruszywa były utrzymywane na stałym poziomie. Łącznie wykonano 36 kostek, po dziewięć dla każdego poziomu zastąpienia, na okresy dojrzewania wynoszące 7, 14 i 28 dni. Wartość opadu stożka i gęstość świeżego betonu zmniejszały się wraz ze wzrostem udziału popiołu z odpadów szpitalnych w mieszance. Wytrzymałość na ściskanie mieszanek z 3% zawartością popiołu z odpadów szpitalnych była wyższa niż w mieszance kontrolnej. Najlepsze wyniki (20,13 MPa) uzyskano dla mieszanki z 3% zawartością po 28 dniach dojrzewania, podczas gdy wynik uzyskany dla mieszanki z 7% zawartością był niemal równy wynikowi mieszanki kontrolnej.

Słowa kluczowe

EN

biomedical waste ash; incineration; leachate; compressive strength; pozzolanic

PL

popiół z odpadów biomedycznych; spalanie; odciek; wytrzymałość na ściekanie; pucolany

• Wydawca: Wydawnictwo Politechniki Lubelskiej
• Czasopismo: Budownictwo i Architektura
• Rocznik: 2024
• Tom: Vol. 23, no. 3
• Strony: 115--127
• Opis fizyczny: Bibliogr. 26 poz., fig., tab.

Twórcy

autor

Iqbal Muhammad Shoaib

• Department of Civil Engineering; National Taiwan University, No.1, Sec. 4, Roosevelt Road, 106216 Taipei, Taiwan

• https://orcid.org/0009-0008-2293-402X

autor

Bux Qadir

• Department of Civil and Environmental Engineering; College of Engineering and Architecture; University of Nizwa, Oman

• https://orcid.org/0000-0002-8294-7841

autor

Ali Afsar

• Department of Civil Engineering; University of Engineering and Technology, Taxila, Pakistan

• https://orcid.org/0009-0008-5419-1777

autor

Abdullahi Saleh Mamman

• School of Civil Engineering; Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia

• https://orcid.org/0009-0001-6600-8393

autor

Rahman Abdur

• Department of Engineering and Architecture; University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).