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All Journal Bulletin of Electrical Engineering and Informatics Jurnal Teknik Hidro Rancang Bangun NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Bandar: Journal of Civil Engineering Jurnal Rekayasa Infrastruktur Hexagon Nusantara Hasana Journal Buletin Sistem Informasi dan Teknologi Islam Jurnal Karajata Engineering Kohesi: Jurnal Sains dan Teknologi Jurnal Mediasas : Media Ilmu Syari'ah dan Ahwal Al-Syakhsiyyah Journal of Muhammadiyah’s Application Technology
Nurnawaty
Universitas Muhammadiyah Makassar
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice Nursing Social Sciences Transportation Other

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Eksperimentasi Peran Serat Alam Pada Tanah Lempung Dalam Upaya Peningkatan Infiltrasi Dan Plastisitas Tanah Nurnawaty; Abd Rakhim Nanda; Tendri Ajeng; Intan Fadillah
Jurnal Karajata Engineering Vol. 5 No. 1 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/karajata.v5i1.3446

Abstract

Clay soil consists of a type with limited load-bearing ability and low shear strength, thus it is essential to enhance the soil's stability, as this is influenced by the moisture level. The amount of water obtained by the soil depends on the soil's ability to absorb and channel the water received from the soil surface to the lower layers. Therefore, alternative materials are needed to improve the properties of the soil. This study aims to determine the effect of adding natural fibers on the infiltration and plasticity of clay soil. This research was a laboratory based testing, where infiltration testing was carried out using channel media and soil stability testing using the Atterbeg method. The addition of natural fibers to clay soil affects the infiltration discharge. The highest infiltration discharge is clay soil with the addition of rice husks and the lowest infiltration discharge is clay soil with a mixture of coconut fiber. Adding rice husks to clay soil can reduce the plastic index number which is 6%.
Identifikasi Sebaran Intrusi Air Laut Melalui Profil Kualitas Air Sumur Di Pantai Barombong Nurnawaty; M. Agusalim; Muh. Nurul Fitrah S; Ranum Indah Putri
Jurnal Karajata Engineering Vol. 5 No. 2 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/karajata.v5i2.3634

Abstract

Rapid development in Makassar City increases the demand for housing, clean water and industry, which encourages massive exploitation of groundwater. If this continues, it could degrade groundwater quality and quantity and trigger seawater intrusion, threatening groundwater availability in the region. The aim of this research is to analyze and identify measurements and values of salinity due to sea water on ground water quality at Barombong Beach. In this research, a research l ocation survey was carried out, sampling stage, sample testing stage, data processing stage, community interview stage. The well water at Barombong Beach has a salinity that is still categorized as fresh to brackish. Well water that has a salinity of <0.5% then the water is categorized as fresh, >0.5-30%, then the water is categorized as brackish and if the water salinity is >40% then the water is detected as salty. From the results of this research calculation, the highest salinity is found in well 15, namely 5% at a distance of 858.76 from the shoreline and the lowest is located at wells 1 and 2, namely 0.2% which is located at a distance of 165.98 m and 201.06 m from the shoreline.
Co-Authors A.M Radinal Mukhtar Aan Ardiansyah Abd Rakhim Nanda Abdul Hakim Abdul Rakhim Nanda Agusalim, Agusalim Ahmad Fajrin Alamsyah - Amrullah Mansida Anas, Andi Bunga Tongeng Andi Alyah Ayu Mariska Waris Andi Asmi Rani Andi Bunga Tongeng Andi Bunga Tongeng Anas Andi Nurannisa Andi Reza Gifari Andi Rini Septiani Andi Ulfa Mutiah Asrul Aswandi Ismail Bakti, Rizki Yusliana Berni Satria Gemilang Besse Emmy Saphira Erika Yanti Ery Sanbrualim Syawal Fausiah Latief Fausiah Latief Fausiah Latif Fauzan Hamdi Fauzan Hamdi Fauzan Hamdi, Fauzan Fenty Daud S Fithriyah Arief Wangsa Fitrida, Fitrida Gaffar, Farida Gemilang, Berni Satria Habibur Fathur Rahman Ihwan Ihwan Indah Fadhilah Isha Indriyanti Indriyanti Indriyanti Indriyanti Indriyanti, Indriyanti Intan Fadillah Isha, Indah Fadhilah Ismail S itha, Nur Masita Karim, Nenny Kasmawati Kasmawati Khafifa Khafifa Khafifa, Khafifa Latief, Fausiah M Agusalim Mahmuddin Mahmuddin Mahmuddin Mansida, Amrullah Marupah Marupah Marupah, Marupah Marwah Ahmad Mirna Safitri Mohamad Munawir Muh. Nurul Fitrah S Muhaemina Muhamemina Muhammad Faisal Muhammad Hasraddin Hasnan Muhammad Syafaat S. Kuba Muhyiddin A.M Hayat Munawir, Mohamad Mutiah, Andi Ulfa Nenny Karim Nirwana Nilan Ramdhani Nur Isra Ramdhani, Nirwana Nilan Ranum Indah Putri Rian Sophian Rizky Yusliana Bakti Septiani, Andi Rini Suhardiman Suhardiman Sukmasari Antaria sumardi Sumardi Syamsiar, Syamsiar Syamsuri, Andi Makbul Tahir, Sulqadri Tendri Ajeng Titik Khawa Abd Rahman Titik Khawa Abdul Rahman Titin Wahyuni Tongeng, Andi Bunga Toni Aprilian Putra Wahyudi Wahyudi Wangsa, Fithriyah Arief Yunita Afliani Rahayu Yusril Yusril Yusril Yusril