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All Journal Scientechno: Journal of Science and Technology Journal of Community Service (Abdisci)
Hudaya Taher, Nuni Khoirinnisa
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Computer Science & IT Education Languange, Linguistic, Communication & Media Library & Information Science Social Sciences Other

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The Analysis of the Effect of Adding Glass Powder Waste as a Cement Substitution and the Use of Pumice Aggregate on the Compressive Strength of Light Concrete Buana, Galing Wira; Hudaya Taher, Nuni Khoirinnisa; Roesdiana, Tira
Scientechno: Journal of Science and Technology Vol. 4 No. 2 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientechno.v4i2.2336

Abstract

Along with the increasing need for building materials and high cement prices, innovation in the use of alternative materials that are environmentally friendly and economical is needed. Glass powder waste, which is difficult to decompose and has the potential to pollute the environment, has the potential as a cement substitute because of its supportive physical and chemical properties. Additionally, pumice, as a lightweight aggregate, can reduce the dead load of the structure and enhance the efficiency of construction execution. This study aims to analyze the effect of the addition of glass powder waste as a cement substitution and the use of pumice aggregate on the compressive strength of light concrete. Glass waste, which comes from industrial and household waste, is used as a cement substitute with variations of 0%, 5%, 10%, and 15%. In contrast, pumice is used as a partial substitute for coarse aggregate. The method used is experimental, with laboratory testing including compressive strength tests at 14 and 28 days of age. The results showed that the addition of glass powder at a percentage of 5% gave the highest compressive strength values of 10.98 MPa (14 days) and 12.40 MPa (28 days), compared to concrete without glass powder, which only reached 8.14 MPa (14 days) and 11.11 MPa (28 days). This suggests that the combination of glass powder and pumice stone can significantly increase the compressive strength of light concrete, although the efficiency of the mixture decreases at higher percentages. This research provides an alternative to the use of local waste and aggregates in the development of environmentally friendly and economically efficient concrete.
THE EFFECTIVENESS OF THE APPLICATION OF THE LAW IN WASTE MANAGEMENT POLICIES IN SINDANGBARANG VILLAGE Rahayu, Yuna Mumpuni; Permatasari, Shinta Dwi; Hudaya Taher, Nuni Khoirinnisa; Sari, Ratna; Zulfa, Atha Salsabila
Jurnal Abdisci Vol 2 No 7 (2025): Vol 2 No 7 Tahun 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/abdisci.v2i7.686

Abstract

Abstract Background. The waste problem at the village level is still a serious challenge, especially in areas with minimal infrastructure and public awareness, such as Sindangbarang Village. Although policies and regulations have been implemented through Kuningan Regent Regulation Number 46 of 2018, the effectiveness of law enforcement in waste management is still not optimal. Aims. This study aims to analyze the extent to which implementing the law can be an effective solution for waste management in the village. Methods. The research method used is qualitative with a descriptive approach and data triangulation techniques through observation, interviews, and documentation. Result. The study's results indicate that various obstacles, such as the lack of waste management facilities, minimal community education, and limited budget and human resources, are the main obstacles to the policy's effectiveness. Conclusion. Strict law enforcement, ongoing education, and collaboration between institutions are needed to increase community participation and support sustainable waste management. Implementation. These findings emphasize the importance of strengthening regulations and the community's active role in creating a clean and healthy village environment.
Co-Authors Buana, Galing Wira Permatasari, Shinta Dwi Rahayu, Yuna Mumpuni Ratna Sari Tira Roesdiana Zulfa, Atha Salsabila