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Effect of fine modulus of coarse aggregate on the mechanical properties of concrete submerged in sea water Sulkarnain, Sulkarnain; Erniati, Erniati; Gusty, Sri; Ritnawaty, Ritnawaty; Ashraf, Ashraf; Huda, Miftakhul; Putri, Herwina Rahayu
ASTONJADRO Vol. 13 No. 2 (2024): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v13i2.14907

Abstract

The durability of concrete can be determined from mixing coarse aggregate, fine aggregate, cement, water, with or without additives. The properties of concrete can be influenced by several things, such as the ratio of the mix, how to mix, how to transport, how to print, and how to compact. To analyze the compressive strength, flexural strength and split tensile strength of concrete submerged in sea water with variations in fineness modulus. The compressive strength results were 35.67Mpa, 31.63Mpa, 29.30Mpa respectively while the compressive strength of concrete with seawater immersion was 36.94Mpa, 36.52Mpa and 30.15Mpa. The split tensile strength results were 2.71Mpa, 2.65Mpa and 1.91MPa respectively, while the split tensile strength of concrete immersing in seawater with the same variations were 3.29MPa, 2.76MPa and 2.12MPa, respectively. The results of flexural strength were 4.22Mpa, 4.21Mpa, and 4.14MPa respectively, while the flexural strength of concrete with seawater immersion with the same variations were 4.27MPa, 4.22MPa, and 4.18MPa, respectively. The effect of fine grain modulus on compressive strength, split tensile strength and resulting flexural strength is very significant, the higher the fineness modulus of the coarse aggregate, the smaller the resulting value.
Sistem Kontrol Cerdas berbasis Internet of Things pada Pertanian Lahan Kering: Peluang dan Tantangan di Pulau Timor Erniati, Erniati; Laumal, Folkes E.; Hattu, Edwin P.; Lapinangga, Nina J.
JURNAL GREEN HOUSE Vol 4 No 1 (2025): Jurnal Green House
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63296/jgh.v4i1.50

Abstract

Dryland farming in tropical climates, such as Timor Island, East Nusa Tenggara, faces numerous challenges, including low and variable rainfall, limited water resources, and soil degradation. Intelligent control technology and the Internet of Things (IoT) offer innovative solutions to address these challenges through environmental monitoring and control in agricultural systems, aiming to improve efficiency and productivity. This study aims to examine the opportunities and challenges of developing relevant IoT-based intelligent control systems, as well as potential solutions for managing dryland farming with IoT applications. The research is conducted through a literature review of dryland farming conditions and the challenges of using IoT applications, environmental condition monitoring of dryland using IoT devices, and identifying the strengths, weaknesses, opportunities, and threats of using intelligent IoT-based applications. The research findings indicate that the dominance of dryland, combined with low water availability, requires optimal agricultural irrigation management while still maximizing plant growth and productivity. The application of intelligent technology for real-time monitoring and control is essential for managing the climate in dryland areas, representing an opportunity amid the challenges of managing horticultural dryland farming. These research results also serve as a reference for the development and implementation of IoT-based intelligent technology control in the dryland farming sector.
PENGARUH INOVASI DAN KUALITAS PRODUK TERHADAP KEPUASAN KONSUMEN MELALUI PRODUK BARU PADA PT. PRAPTA MAKASSAR Erniati, Erniati; Romadhoni, Buyung; Mappatompo, Andi
COMPETITIVENESS Vol. 10 No. 2 (2021): COMPETITIVENESS
Publisher : UNIVERSITAS MUHAMMADIYAH MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/competitiveness.v10i2.6597

Abstract

This study aims to determine the extent of the influence of innovation and product quality on customer satisfaction through new products. This type of research uses a quantitative approach. Data collection techniques through online questionnaires to 180 respondents. Hypothesis testing uses path analysis with the help of AMOS 21 software.The results showed that the innovation variable had a significant positive effect on new products; Product quality has a significant positive effect on new products; Innovation has a significant positive effect on customer satisfaction; Product quality has no significant positive effect on customer satisfaction; New products have a significant effect on customer satisfaction; Innovation has a significant positive effect on customer satisfaction through new products and product quality has a significant positive effect on customer satisfaction through new products. Keywords: Innovation, Product Quality, Customer satisfaction, New produduct.
Evaluation of Slope Stability in Mining Areas Using the Morgenstern Price Method Haeriska, Haeriska; Chaerul, Muhammad; Desi, Natsar; Harun, A. Muh. Yusuf; Erniati, Erniati; Marzuki, Ismail
Journal La Multiapp Vol. 6 No. 6 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i6.2540

Abstract

Indonesia’s mining sector, particularly in areas like Morowali Regency, Central Sulawesi, faces significant geotechnical challenges due to its location in the Pacific Ring of Fire. One of the key concerns in open-pit mining operations is slope instability, which can lead to landslides, threaten worker safety, damage infrastructure, and disrupt production. This study evaluates the slope stability in the Sambalagi site of PT. Wosindo Berkat Abadi using the Morgenstern-Price method, a limit equilibrium approach known for its accuracy in heterogeneous slope conditions. Field data were collected, including slope geometry, geological conditions, material strength, and hydrogeological factors. The safety factor (FK) was calculated based on geotechnical parameters such as cohesion, internal friction angle, and unit weight of the slope materials primarily saprolite and limonite. The actual slope FK value at PIT D was found to be 0.974, below the standard requirement (≥1.3) set by the Ministerial Decree No. 1827K/30/MEM/2018. To improve stability, a revised slope design was proposed, including reducing slope angles to 35°, increasing bench widths to 2 meters, and decreasing slope height per bench to 4 meters. The simulation of this revised geometry showed that it could achieve the required FK value. The study contributes to safer and more efficient mine planning by demonstrating the importance of integrating detailed geotechnical analysis in slope design, especially in tropical high-rainfall mining regions.
Peranan Pondok Pesantren Modern Darussalam Gontor Dalam Pembentukan Karakter Santri Pasca Pandemi Covid-19 di Kampus 11 Ittihadul Ummah Poso Muttaqin, Kunkun Zainal; Harun, Ubay; Ubadah, Ubadah; Erniati, Erniati
Jurnal Integrasi Manajemen Pendidikan Vol. 2 No. 2 (2023): Jurnal Integrasi Manajemen Pendidikan (JIMPE)
Publisher : Program Studi Magister Manajemen Pendidikan Islam Universitas Islam Negeri (UIN) Datokarama Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24239/jimpe.v2i2.2947

Abstract

Pentingnya pendidikan karakter di masa sekarang bagi generasi muda. Karena masa muda bahkan di usia dinilah pendidikan karakter itu harus di kenalkan agar menjadi suatu kebiasaan di masa yang akan datang. Dalam pidatonya founding father Indonesia, Ir. Soekarno dengan lantang mengemukakan bahwa “Bangsa ini harus dibangun dengan mendahulukan pembangunan karakter (character building) karena pembangunan karakter akan membuat Indonesia menjadi bangsa yang besar, maju, dan jaya, serta bermartabat. Pondok Pesantren adalah lembaga pendidikan di tengah-tengah masyarakat yang berada paling depan dalam mencanangkan pendidikan nilai, baik itu nilai agama maupun nilai-nilai luhur bangsa. Sehingga dapat dikatakan bahwa saat ini pesantren menjadi sebuah lembaga yang paling efektif dalam pengembangan pendidikan karakter (akhlak) untuk peserta didik. Maka, tidak salah kalau dikatakan bahwa pendidikan karakter di pesantren lebih efektif dibandingkan pendidikan karakter di sekolah. Tujuan dari penelitian ini adalah bagian dari rumusan masalah yaitu untuk mengetahui peranan Pondok Modern Darussalam Gontor Dalam Pembentukan Karakter Santri Pasca Pandemi Covid-19 di Kampus 11 Ittihadul Ummah Poso. Penelitian tentang Peranan Pondok Modern Darussalam Gontor dalam membentuk karakter santri ini merupakan penelitian deskriptif analitik non statistik dengan menggunakan pendekatan kualitatif dan rancangan studi kasus (case study). Peran sebagai lembaga pembinaan calon ulama membantu para santri untuk dapat mengembangkan nilai kepedulian, tanggung jawab serta kesabaran pada para santri sebagai bekal awal santri menjadi seorang ulama. Kesimpulan, pondok pesantren sebagai transmisi ilmu pengetahun Islam dalam membentuk karakter santri dapat menumbuhkan karakter cinta damai, toleransi dan tumbuhnya sikap saling kerjasama dalam menyelesaiakan suatu pekerjaan pada para santri.
Classification metrics for pet adoption prediction with machine learning Islamiyah, Islamiyah; Rivani Ibrahim, Muhammad; Gunawan, Suwardi; Marisa Khairina, Dyna; Erniati, Erniati
International Journal of Reconfigurable and Embedded Systems (IJRES) Vol 14, No 3: November 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijres.v14.i3.pp638-648

Abstract

Millions of pets are temporarily placed in shelters, making it challenging for shelters to ensure pets find permanent homes. High adoption rates are crucial for animal welfare and the sustainability of shelter operations. This study aims to identify key factors influencing pet adoption and create classification metrics using five machine learning (ML) classification model approaches to predict the likelihood of pet adoption, to find the best model performance for each analysis. The dataset was obtained from several features related to animal characteristics and adoption conditions. The results of the study present classification of metric models that indicate decision tree and random forest (RF) as the most effective models with superior performance in terms of accuracy and class separation ability. Further research provides initial exploration of ML models that are not only limited to classification models but also model integration into internet of things (IoT) systems for the implementation of a pet adoption prediction system based on ML inference. The implementation of ML classification models helps improve the efficiency of animal adoption programs and optimize shelter operations, ultimately increasing the chances of successful pet adoption. The results of the study provide insights into factors influencing pet adoption, minimizing the length of stay (LOS) in shelters, and contribute to practitioners/ researchers as a reference for exploring new related factors and exploring the performance of ML models, especially classification models.
Evaluation of PAI Teachers in Online Learning During The Covid-19 Pandemic at SMA Negeri Palu Erniati, Erniati; Karmawati, Karmawati; Maslan, Maslan
Jurnal Diskursus Islam Vol 11 No 3 (2023): December
Publisher : Program Pascasarjana, UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jdi.v11i3.42374

Abstract

The sudden online learning policy resulted in teachers experiencing inequality. Therefore, the purpose of this study is to examine the results of teacher evaluation in implementing online learning after the enactment of government policies during the COVID-19 pandemic with the aim of analyzing teacher performance during online learning, then mapping the obstacles faced as consideration in finding solutions for the next implementation of online learning. The method used in this study is qualitative descriptive by collecting observation data, student and teacher survey data through google form and teacher monitoring and evaluation results from school LMS. From the results of the study, it was found that teacher evaluation in online learning was less effective. The reason is the gap in teachers' digital literacy due to unpreparedness with online learning and the age of teachers so they cannot operate IT or digital applications for online learning.
Teknologi Terhadap Perempuan dalam Sektor STEM Analisis Gender Erniati, Erniati; Hidayat, Andi Nurul; Kamridah
Musawa: Journal for Gender Studies Vol. 17 No. 1 (2025)
Publisher : Pusat Studi Gender dan Anak, UIN Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24239/msw.v17i1.4013

Abstract

Transformasi teknologi yang pesat telah membawa perubahan signifikan dalam berbagai aspek kehidupan, termasuk dalam hal peran dan partisipasi perempuan di masyarakat. Penelitian ini bertujuan untuk menganalisis dampak dari perubahan teknologi terhadap perempuan, baik dalam aspek sosial, ekonomi, maupun budaya. Dengan pendekatan kualitatif penelitian ini menggali pengalaman perempuan dalam menghadapi perkembangan teknologi, serta bagaimana teknologi berkontribusi terhadap pemberdayaan atau sebaliknya memperkuat ketimpangan gender. Hasil penelitian menunjukkan bahwa meskipun teknologi memberikan peluang untuk meningkatkan kemandirian perempuan, akses terbatas, stereotip gender, dan ketimpangan sosial-ekonomi tetap menjadi hambatan yang signifikan dalam "Untuk memaksimalkan potensi perempuan di era digital, penting untuk mengakses dan menganalisis data yang tepat. Analisis ini menggunakan data yang berasal dari sumber resmi World Economic Forum, yang dapat diakses melalui situs web Prosperity Data 360.
Pelatihan Penggunaan Teknologi Penangkapan Ikan (Fish Finder) Kepada Nelayan Desa Cot Seurani Kabupaten Aceh Utara Erniati, Erniati; Andika, Yudho; Imamshadiqin, Imamshadiqin; Imanullah, Imanullah; Muliani, Muliani; 'Akla, C. M. N.; Muliari, Muliari; Syahrial, Syahrial; Ruzanna, Arina; Salmarika, Salmarika; Irmayunita, Irmayunita; Tauladan, Toha Ali; Rahmadian, Alfina Wahyu; Aprilita, T. Salsa
Jurnal Solusi Masyarakat Dikara Vol 2, No 3 (2022): Desember 2022
Publisher : Yayasan Lembaga Riset dan Inovasi Dikara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dalam upaya memanfaatkan sumberdaya perikanan secara maksimal, maka perlu didukung dengan  engetahuan dan teknologi. Lokasi penangkapan ikan oleh nelayan Desa Cot Seurani cenderung tidak tepat karena umumnya hanya mengandalakan tanda-tanda alam, perasaan, dan faktor keberuntungan. Bahkan tidak jarang pula saat menurunkan alat tangkap (seperti jaring, pancing, dan lain-lain). Penggunaan teknologi yang tepat merupakan salah satu alternatif yang dapat memecahkan masalah penangkapan ikan. Salah satu teknologi yang dapat dimanfaatkan oleh nelayan adalah fish finder. Fish finder merupakan teknologi yang dapat mendeteksi objek bawah laut yang dengan memanfaatkan gelombang suara (akustik). Fish finder dapat memberikan informasi yang detail yaitu tentang kelimpahan, sebaran, dan posisi ikan, serta alat ini mampu memberikan data real time. Kegiatan pengabdian ini bertujuan untuk memberikan edukasi dan peningkatan keterampilan kepada nelayan khususnya kelompok nelayan desa cot seurani tentang manfaat penggunaan fish finder. Pengabdian ini menggunakan metode pendekatan community development (pengembangan masyarakat) melalui pelatihan berdasarkan teori dan praktik dengan ceramah serta diskusi yang terarah (Focus Group Discussion/FGD). Pelaksanaan pengabdian ini dimulai dengan survei lokasi, penandatanganan Kerjasama dengan kelompok nelayan dan pelatihan. Kegiatan pengabdian terlaksana dengan baik, terstruktur, lancar serta sukses, dimana pelaksanaan kegiatannya dilakukan dengan 2 sesi yaitu sesi teori dan sesi praktik. Dampak dari pengabdian ini nelayan mampu menggunakan Fish Finder dengan baik serta nelayan mengerti dan memahami hasil luaran (membaca layar) dari Fish Finder sehingga nantinya diharapkan mampu meningkatkan produksi perikanan tangkapan dan meningkatkan kesejahteraan kelompok nelayan.
PENGARUH HUJAN ASAM TERHADAP KUAT TEKAN dan POLA RETAK BETON MUTU TINGGI YANG MENGGUNAKAN FLY ASH SEBAGAI SUBITUSI PASIR Hamri, Amar Ma’ruf; Erniati, Erniati; Indrayani, Popy; Tata, Arbain
JURNAL SIPIL SAINS Vol 11, No 2 (2021)
Publisher : Program Stud Teknik Sipil Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/sipilsains.v11i2.3724

Abstract

Pembangunan konstruksi beton yang berada di lokasi yang memiliki air hujan yang mengandung asam dengan jumlah pH di bawah normal (pH ±5,6) membutuhkan material penyusun beton mutu tinggi untuk meningkatkan kinerja beton. Fly ash di PLTU Bosowa Energi Jenepponto menumpuk dari tahun ke tahun. Tujuan penelitian ini untuk menganalisis perbandingan kuat tekan dan pola retak pada beton mutu tinggi yang menggunakan fly ash sebagai pengganti pasir dengan perendaman air tawar dengan air hujan asam pada umur 28 hari serta menganalisis pola retak hubungan variasi fly ash pada beton mutu tinggi yang direndam di air hujan asam pada umur 28 hari. Material penyusun pada penelitian ini menggunakan variasi fly ash (0%, 10%, 20% dan 30%) sebagai pengganti pasir pada beton mutu tinggi. Hasil penelitian menunjukkan bahwa beton mutu tinggi yang menggunakan fly ash (0%, 10%, 20%, dan 30%) sebagai pengganti pasir kuat tekan yang dihasilkan pada perendaman air tawar lebih besar dari pada perendaman air hujan asam pada umur 28 hari. Hujan asam dapat menurunkan kuat tekan pada beton mutu tinggi subtitusi fly ash sebagai pasir namun penurunan tersebut masih kecil sebesar kurang lebih 5%.  Pola retak yang baik menurut nilai kuat tekan tertinggi adalah pola retak bentuk kehancuran kerucut dan belah yang menggunakan fly ash 30% sebagai pengganti pasir pada beton mutu tinggi.
Co-Authors 'Akla, C. M. N. A, Salimin A. Nurul Hidayat Abu Bakar Tumpu Ainun, Asri Aulia Amrullah Amrullah Andi Alim, Andi Andi Anirah Andi Mappatompo Andika Syahputra, Andika Andika, Yudho Aprilita, T. Salsa Arbain Tata Ardiansyah, A. Arini Junaeny Arlin Adam, Arlin Ashraf, Ashraf Asrianto, La Ode Astarina, Wa Ode Fina Ayu Andira Baru, La Chindra, Chindra Cut Meurah Nurul ‘Akla Daulay, Anggi Mayulina Dede Robiatul Adawiyah Desi, Natsar Dila, Nuriana Dirman, Eris Nur Dwi Syukriady Eko Susanto Endang Prangdimurti Erlangga Erlangga Erwin Nurdiansyah Fatimah Saguni Fatmeriany, Fatmeriany FRANSISKA RUNGKAT ZAKARIA Gunawan, Suwardi Gusnarib, Gusnarib Gusty, Sri Haeriska, Haeriska Hamri, Amar Ma’ruf Handayani, Meutia Harun, A. Muh. Yusuf Hasiu, Teti Susliyanti Hasmar, Hasmar Hattu, Edwin P. Herawati Arief S Ibrahim, Muhammad Rivani Idhan, Mohamad Imamshadiqin, Imamshadiqin Imanullah, Imanullah Indrayani, Popy Indriani, Shinta Ira Diana, Ira Irmayunita, Irmayunita Islamiyah Islamiyah, Islamiyah Islamiyyah, Islamiyyah Ismail Marzuki Jamilah Jamilah Jumri Hi Thahang Basir Jumri Hi. Tahang Basire Jumriati, Jumriati Kamridah Karmawati Karmawati Khairi, Azizatul Lapinangga, Nina J. Laumal, Folkes E. Lazuardi, Rafly Mahdaliana, Mahdaliana Marfudin, Marfudin Marisa Khairina, Dyna Maslan, Maslan Masyithah, Putri Mataniari, Azhari Maulana, Sanja Mauliyani, Mauliyani Miftakhul Huda Mistiani, Wiwin Mohammad Djamil M. Nur Mudarsep, Mudarsep Muhammad Chaerul Mukhlis Mukhlis Muliani Muliani, Muliani Muliari Muliari Munawwar Khalil, Munawwar Musakkar, Mustika Eka Pratama Muttaqin, Kunkun Zainal Nadya Humairah Ramadhany Naima Naima Nazroi, Arkom Neliana, Neliana Nur Hikmah Nurdin Nurdin Nurfadillah Rahman Nurfatia Nurfatia Nurhidayanti, Nurhidayanti Nursyam Nursyam Pakalessy, Aisa Parida, Parida Polnaya, Fransin Prama Hartami Pramita, Susi Prasetyo, Repki Pratiwi, Bengi Putri, Herwina Rahayu R. Sapto Hendri Boedi Soesatyo Rachmawati Rusydi, Rachmawati Rahma Ashari Hamzah Rahmadian, Alfina Wahyu Rahman, Arif Didi Rahmawati, Rahmawati Rambat Nur Sasongko Reni, Wa Ode Retoliah Retoliah Rimawati, Rimawati Riri Ezraneti Ritnawaty, Ritnawaty Ritonga, Gara Hasonangan Rizalul Fikri, Rizalul Rizka Amalia Rizky Kurniawan Romadhoni, Buyung Room, Rusdi Rufi'i Rusdin Rusdin Ruzanna, Arina Safrudin Safrudin Sagaf S. Pettalongi Salahuddin Salahuddin Sanjoko, Yohanis Satya Putra, Muhammad Yulianda Sinaini, La Sitanggang, Hizrah Ayumi Sri Hastati Suhaila, Nurul Suharnis, Suharnis Suhasni, Suhasni sulkarnain, sulkarnain Supriadi Supriadi SYAHRIAL SYAHRIAL Syamsiar, Syamsiar Syukriadi, Dwi Tasya, Tasya Tauladan, Toha Ali Ubadah Ubadah, Ubadah Ubay Harun Unggul Wahyono Wahyullah Alannasir Wahyuni, Elvi Walsen, Anthony Wijaya, Dendi Yulistia, Elva Dwi Zulpikar, Zulpikar