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All Journal Jurnal Teknik Sipil Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Jurnal Teknik Hidro UNM Environmental Journals Jurnal Pengabdian Kepada Masyarakat Patikala Paulus Civil Engineering Journal Jurnal Karajata Engineering Jurnal Teknik Sipil Macca Indonesian Journal of Community Empowerment ARUS JURNAL SAINS DAN TEKNOLOGI
Asnita Virlayani, Asnita
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Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Public Health Social Sciences Transportation Other

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THE UTILIZING OF RECYCLED PLASTIC WASTE AS AN ALTERNATIVE FOR ZERO CEMENT PAVING BLOCKS Mustakim, Mustakim; Asrul, Asrul; Virlayani, Asnita
Jurnal Teknik Sipil Vol 23, No 3 (2023): JURNAL TEKNIK SIPIL EDISI AGUSTUS 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i3.63983

Abstract

The problem of plastic waste that needs to be handled and managed optimally can cause environmental damage. This study aims to test the compressive strength and water absorption value of paving blocks made of plastic which are designed using a mixed variation of V50-50 (50% sand, 50% plastic), V25-75 (25% sand, 75% plastic) and V0-100 (0% sand, 100% plastic) of the total proportion of the paving blocks mix. The method is carried out by melting PP (Polypropylene) mineral glass plastic, mixing with sand based on variations, printing according to the size of the paving block, and using as a test sample in the form of a dice. The average compressive strength test results show that the model with code V25-75 has a relatively higher compressive strength value than V50-50 and V0-100. The average compressive strength value of the sample with code V25-75 is 11.53 MPa, followed by code V50-50 of 9.63 MPa, and the lowest is coded V0-100 of 3.70 MPa. The compressive strength value is influenced by the optimal percentage between sand and plastic; plastic serves as a binder for sand in a mixture of paving blocks. The rate of water absorption value will continue to decrease along with the addition of plastic waste in the paving block mixture; V50-50 is 1.44, V25-75 is 0.88, and V0-100 is 0.16. This research is expected to be applied by the community to make paving block products to reduce the amount of plastic waste globally.
Perubahan Pola Aliran Akibat Variasi Model Baffle Block Pada Bangunan Spillway Djunur, Lutfi Hair; Virlayani, Asnita
Paulus Civil Engineering Journal Vol. 7 No. 4 (2025): Paulus Civil Engineering Journal, Vol.7, No.4
Publisher : Universitas Kristen Indonesia Paulus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/pakztw70

Abstract

The spillway is a hydraulic structure characterized by a channel with a steep longitudinal slope. Variations in the channel cross-section significantly influence the flow characteristics, particularly the transition from subcritical to supercritical flow conditions. A series of physical model experiments were conducted to investigate the flow behavior along the spillway structure by modifying the configuration of the baffle blocks in accordance with the standard design criteria for energy dissipation systems. High flow discharge in a steep channel generates considerable flow velocity and kinetic energy. Variations in flow pressure as water passes through the spillway structure strongly affect the downstream safety, especially concerning potential erosion of the riverbanks and channel bed. The implementation of baffle blocks along the chute effectively reduces flow energy, thereby altering flow behavior and velocity distribution over time. The findings of this study reveal that the upstream water depth is directly proportional to the energy magnitude at the downstream section of the spillway. This result demonstrates the effectiveness of the baffle blocks in dissipating flow energy, as confirmed through both analysis and experimental observations. It can be concluded that the fluid friction observed along the channel results from transitional flow phenomena occurring within the chute section.
Pengolahan Limbah Air Domsetik: Tinjauan Metode dan Implementasi Hair Djunur, Lutfi; Virlayani, Asnita; Magfirah, Nurul
Jurnal Pengabdian Kepada Masyarakat Patikala Vol. 5 No. 2 (2025): Jurnal PkM PATIKALA (On Progress)
Publisher : Education and Talent Development Center of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/patikala.v5i2.4074

Abstract

Domestic wastewater from residential areas is a significant source of environmental pollution. Daily activities such as washing, bathing, and defecating produce wastewater containing organic matter, nutrients, and pathogens. If not properly treated, domestic wastewater can cause environmental pollution, public health problems, and ecosystem damage. Therefore, effective domestic wastewater treatment is necessary to mitigate these negative impacts. Domestic wastewater treatment can be carried out using physical, chemical, and biological methods. This article discusses various domestic wastewater treatment methods, including physical, chemical, and biological treatment, as well as the implementation of effective and efficient domestic wastewater treatment systems to help reduce environmental pollution and improve public health.
Co-Authors Ade Irfan Ahdania, Andi ahmad yani Amir, Muh. Ikhwanto Asjur, Asti Vebriyanti Asrul Asrul Bakri, Saefulloh Djunur, Lutfi Hair Gaffar, Farida Hair Djunur, Lutfi Hasanuddin, Novianingsih Hasmar, Wahyu Nuraini Indriyanti Irawadi, Fandi Putra Kuba, Muhammad Syafa’at S Latief, Fausiah Magfirah, Nurul Munafri, M. Isnan Musdar, Tamzil Azizi Mustakim Mustakim Mustakim Mustakim Nenny, Nenny Nurlita pertiwi, Nurlita Ramadani, Ananda Ramadhan, Muhammad Dzaki Santi, Elvira Saputro, Syaifullah Suhartini Sulfanita, Andi Syamsuri, Andi Makbul T. Karim, Nenny Trimalino, Tedy Zainuddin, Muh. Amir