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PENGARUH VARIASI PENAMBAHAN ACCELERATOR ADMIXTURE TERHADAP KUAT TEKAN BETON Zainudin; Nurkholis, Muhamad
Jurnal Teknik Sipil Vol. 5 No. 1 (2020): De' Teksi - Jurnal Teknik Sipil
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.628 KB) | DOI: 10.56071/de'teksi.v5i1.243

Abstract

Semakin berkembangnya pembangunan nasional yang terus menerus mengalami peningkatan dan tidak lepas dari tuntutan dari kebutuhan masyarakat terhadap fasilitas infrastruktur yang semakin maju dan serba cepat. Untuk mempercepat pengeringan beton bisa menggunakan bahan tambah jenis Accelerating Admixture yang berfungsi untuk mempercepat pengikatan dan peningkatkan mutu dan kekuatan awal beton, mempercepat pengerasan,menambah kuat tekan, penghematan, atau untuk tujuan lain seperti penghematan energi, biaya, dan waktu, misalnya pada pekerjaan jalan rigid yang semula boleh dilalui kendaraan pada umur 28 hari. Penulis menggunaan bahan tambah jenis Accelerating Admixture bermerk AMCA B+ yang diharapkan dapat mempercepat pekerjaan dan pengeringan jalan tersebut. Dari hasil kuat tekan beton dengan variasi penambahan Accelerator Admixture pada umur 7 hari menghasilkan nilai kuat tekan rata-rata yaitu variasi 0% = 14,34 Mpa, 1% = 15,54 Mpa, 2% = 16,84 Mpa, dan 2,5% = 11,56 Mpa. Sedangkan, pada umur 28 hari menghasilkan nilai kuat tekan beton rata-rata yaitu variasi 0% = 22,30 Mpa, 1% = 23,96 Mpa, 2% = 26,09 Mpa, dan 2,5% = 18,22 Mpa. Dari hasil tersebut nilai kuat tekan beton tertinggi terdapat pada variasi penambahan Accelerator Admiture 2% pada umur 7 hari dengan nilai rata-rata sebesar 16,84 Mpa dan padaumur 28 hari dengan nilai kuat tekan rata-rata sebesar 26,09 Mpa
PENGEMBANGAN MEDIA PEMBELAJARAN KARTU ANTARIKSA BERBASIS AUGMENTED REALITY PADA MATERI SISTEM TATA SURYA KELAS V SDN 106831 BAKARAN BATU T.A 2024/2025 Munthe, Martin; Eva Betty Simanjuntak; Zainudin; Nurmayani; Imelda Free Unita Manurung
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 01 (2025): Volume 10, Nomor 01 Maret 2025 in progress
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i01.23520

Abstract

Penelitian ini menggunakan model pengembangan ADDIE untuk mengembangkan media pembelajaran Kartu Antariksa Berbasis Augmented Reality Pada Materi Sistem Tata Surya Kelas V SDN 106831 Bakaran Batu pada semester genap tahun ajaran 2024/2025. Penelitian ini melibatkan 25 peserta didik kelas VA sebagai subjek penelitian, 2 validasi ahli dengan tujuan menguji validitas media pembelajaran Kartu Antariksa Berbasis Augmented Reality dan 1 guru untuk menguji praktikalitas media pembelajaran Kartu Antariksa Berbasis Augmented Reality dalam mata pelajaran IPAS dalam kurikulum merdeka. Validasi oleh ahli materi dan ahli desain media menunjukkan bahwa media pembelajaran Kartu Antariksa Berbasis Augmented Reality mendapatkan skor tinggi, ahli materi memberikan skor 94 dari skor maksimal 100 dengan persentase (94%) dan ahli desain media memberikan skor 123 dari skor maksimal 150 dengan persentase (82%). Guru memberikan skor tinggi untuk uji praktikalitas dengan skor 52 dari skor maksimal 55 dengan persentase (94,55%), dengan semua aspek seperti tampilan, penyajian, materi, dan bahasa mendapatkan kategori “sangat layak” dan “sangat valid”. Hasil evaluasi menunjukkan peningkatan yang signifikan dalam hasil belajar peserta didik yang dilihat dari perbandingan skor pre-test dan post test peserta didik, skor hasil pre-test adalah 57,8 sementara skor hasil post-test adalah 91 dengan peningkatan sebesar 57,44. Dapat disimpulkan bahwa media pembelajaran Kartu Antariksa Berbasis Augmented Reality “sangat layak” digunakan sebagai media pembelajaran dalam pembelajaran IPAS dan dapat meningkatkan pemahaman siswa mengenai materi sistem tata surya.
KONTROL LAMPU RUANG LAB MENGGUNAKAN PERINTAH SUARA BERBASIS ARDUINO UNO Dede Supiyan; Zainudin
Journal of Research and Publication Innovation Vol 3 No 2 (2025): APRIL
Publisher : Journal of Research and Publication Innovation

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

Abstract

Utilizing the time needed in a work process, the speed of data transfer is direct human work, so IoT (Internet of Things) is currently the answer to all needs that replace direct physical functions, through data transfer using internet network media which is assisted by a microcontroller device to implement many things in everyday life, both in the industrial world, laboratories, agriculture, health and household needs. This Internet of Things (IoT) based lighting control system application uses an Arduino Uno as a microcontroller and an Android application as a control tool. This system is used to control the lights on or off. Apart from that, the design of this system also uses a relay which is used to connect the light to the system. From the results of testing and analysis, the control of electronic equipment in this light control system operates according to the commands given. As long as the system is connected to the internet network stably, there will be no problems with the IoT (Internet of Things) based light control system using Arduino Uno with voice commands using the Bluetooth voice application.
Application of Educational Psychology Principles Encourages Student Engagement in the Learning Process Makmun, Sukron; Amar, Muh.; Zainudin; Isral Ayubi, Adim; Risti Puji Lestari, Nadila
International Journal of Education and Digital Learning (IJEDL) Vol. 3 No. 4 (2025): International Journal of Education and Digital Learning (IJEDL)
Publisher : Lafadz Jaya Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/ijedl.v3i4.251

Abstract

This study aims to describe the application of educational psychology principles at SMPN 3 Central Praya and the perceptions of teachers and students towards its application. This descriptive qualitative study with a case study design involved teachers and students as research subjects, focusing on teachers who actively apply educational psychology principles and students who feel the impact. Data collection was carried out through surveys, in-depth interviews, observations, and documentation, then analyzed through data reduction, data presentation, and drawing conclusions. The results of the study showed the commitment of teachers in creating effective and student-centered learning, reflected in the recognition of the diversity of learning styles, the connection of material with the context of life, and the creation of a conducive learning environment. Problem-based and project-based learning methods and cooperative learning were considered effective. Teachers and students had positive perceptions towards the application of these principles, indicated by increased learning motivation, understanding of the material, active participation, and positive interactions between teachers and students. Thus, the findings of this study confirm that the application of the principles of educational psychology has a positive impact and is a strong foundation for improving the quality of learning at SMPN 3 Central Praya.
PENGARUH VARIABEL GOOD GOVERNANCE TERHADAP KINERJA APARATUR Pratama, Hatta Putra; Teniro, Alwin; Efendi, Muhsin; Zainudin; Zunafriesma, Nanda
Jurnal Mediasosian : Jurnal Ilmu Sosial dan Administrasi Negara Vol 8 No 1 (2024): APRIL 2024
Publisher : Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/mediasosian.v8i1.5500

Abstract

Tujuan Penelitian ini memperoleh data serta mengukur pengaruh good governance terhadap kinerja aparatur. Metode penelitian ini menggunakan metode kuantitatif dengan pendekatan uji statistik. Adapun sampel dalam penelitian adalah seluruh ASN Kecamatan Bukit sebesar 24 Responden. Teknik analisis data yang digunakan adalah analisis regresi berganda, koefisien determinasi, uji t, dan uji F. Hasil penelitian menunjukkan bahwa  secara parsial, akuntabilitas, transparansi, demokrasi, dan aturan hukum berpengaruh positif dan signifikan terhadap kinerja aparatur.sedangkan secara simultan  good governance berpengaruh positif dan signifikan terhadap kinerja aparatur”
Penguatan Pendidikan Akhlak dengan Konsep Mahabbah Robi’ah Al-Adawiyah Rojiah; Ahmad Abdul Qiso; Zainudin; Ani Nafisah; Uri Safitri
TAUJIH: Jurnal Pendidikan Islam Vol 4 No 1 (2022): TAUJIH: Jurnal Pendidikan Islam
Publisher : Program Studi Pendidikan Agama Islam IAIQI Al-Qur'an Al-Ittifaqiyah

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (366.226 KB) | DOI: 10.53649/taujih.v4i1.115

Abstract

Penelitian ini bertujuan untuk memberikan alternatif pemikiran dan konsep tentang peningkatan Pendidikan Akhlak dengan konsep Mahabbah Robi’ah Al-Adawiyah. Metode yang digunakan dalam penelitian ini adalah Library Research, dengan menggunakan teknik dokumentasi yaitu sumber primer dan sekunder. Untuk mengecek kebasahan data peneliti menggunakan triangulasi sumber. Sedangkan untuk analisis data penelitian ini menggunakan Content Analysis. Hasil dari penelitian ini menunjukkan bahwa: 1) Konsep Mahabbah Rabi’ah Al-Adawiyah mengandung makna sebuah rasa tunduk dan patuh kepada Allah. Dan membenci apa yang telah dilarang oleh Allah, cinta yang hanya berfokus kepada Allah serta tidak lagi menyisakan ruang hati untuk makhluk lainnya; dan 2) Penguatan Pendidikan akhlak dengan konsep Mahabbah Rabi’ah Al- Adawiyah dapat dilakan dengan meningkatkan beberapa hal berikut: (1) Akhlak kepada Allah SWT; (2) Akhlak kepada sesama manusia; (3) Akhlak yang mencakup semua sisi kehidupan (Universal); dan (4) Akhlak yang berkeseimbangan.
EFFECTIVENESS AND CONTRIBUTION OF LOCAL TAXES AGAINST LOCAL NATIVE INCOME OF TERNATE Zulkhaira, Ismiyati; Zainudin; Djaelani, Yustiana; Jeandry, Gregorius
Jurnal Ilmiah Akuntansi dan Keuangan (JIAKu) Vol 4 No 3 (2025): Juli
Publisher : Sekolah Tinggi Ilmu Ekonomi Indonesia (STIESIA) Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24034/jiaku.v4i3.6428

Abstract

Tax is one of the sources of revenue and financing of a country's activities. Tax has a great contribution for developing of country. This study aims to determine how effective tax revenue and local tax contributions are to the PAD of Ternate City in 2018-2022 (5 years). The data was obtained from the Regional Revenue and Retribution. The analysis technique employed in this study is descriptive analysis, which aims to systematically describe and summarize the effectiveness of Local Revenue (Pendapatan Asli Daerah, PAD). This approach focuses on presenting the data as it is, without attempting to draw general conclusions or infer relationships between variables The results of data analysis shows that the effectiveness of regional taxes reaches 105%, so it is categorized as very effective. Local tax contributions in Ternate City in 2018-2022 are 70%, 71%, 69%, 71%, 73%. The average Ternate City Regional Tax Controversy reaches 71% so that it can be categorized well.
Dialect-Localized Animated Dubbing as Place-Based Cultural Geography Media for Indonesian High Schools Pramudya, Donny; Wijiono; Zainudin; Kutdarko , Guntur Priyabumi Atmo
Future Space: Studies in Geo-Education Vol. 3 No. 1 (2026): Future Space: Studies in Geo-Education
Publisher : CV Bumi Spasial

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69877/fssge.v3i1.99

Abstract

The rapid advancement of technology in the twenty-first century has changed students’ learning patterns, particularly among Generation Z, who prefer smartphones and digital media than conventional textbooks and are more comfortable interacting with teachers through technology-based platforms. Therefore, learning media plays an essential role in supporting effective instruction and assisting teachers in delivering learning materials. This study aims to develop high school geography learning media in the form of customized animated dubbing focused on local Malang cultural content. The novelty of this research lies in content localization through dialect-specific dubbing and culturally accurate visual representations, distinguishing it from generic educational videos. This approach integrates local wisdom into audio-visual narratives, strengthens students’ sense of place, and addresses the limited availability of contextualized digital resources within the Independent Curriculum. The media development followed the ADDIE model, including analysis, design, development, implementation, and evaluation. Prior to implementation, expert validation showed a media feasibility score of 90% and a material validation score of 81.25%, both categorized as very feasible. The product was tested on 28 students of Class XI 6 at SMAN 1 Gondanglegi using purposive sampling. Learning effectiveness was measured using the Normalized Gain (N-Gain), with a pretest mean of 68.93 and a posttest mean of 76.79, resulting in an N-Gain of 0.25, indicating low-to-moderate improvement. These results indicate that the developed media is feasible and supports learning improvement when used as a supplementary tool, supported by positive teacher responses (90.62%) and student responses (85.87%).
Tanggung Jawab Negara Dalam Pemetaan Kadastral Untuk Penguatan Hak Keperdataan Atas Tanah Zainudin; Adi Nur Rohman
Bhayangkara Law Review ##issue.vol## 2 ##issue.no## 2 (2025): December 2025
Publisher : Faculty of Law, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/bhalrev.v2i2.4862

Abstract

Penelitian ini mengkaji tanggung jawab negara dalam pemetaan kadastral sebagai dasar penguatan hak keperdataan atas tanah di Indonesia. Pemetaan kadastral memiliki kedudukan strategis dalam sistem hukum pertanahan karena menjadi fondasi pendaftaran tanah dan penerbitan sertipikat hak yang berfungsi sebagai alat bukti dalam hubungan keperdataan. Ketidakakuratan pemetaan berpotensi menimbulkan sengketa pertanahan, melemahkan kekuatan pembuktian sertipikat, serta merugikan pemegang hak meskipun kesalahan bersumber dari administrasi negara. Penelitian ini menggunakan metode yuridis normatif dengan pendekatan peraturan perundang-undangan, konseptual, dan studi putusan pengadilan yang relevan. Hasil kajian menunjukkan bahwa tanggung jawab negara dalam pemetaan kadastral mencakup penetapan standar teknis yang baku, penyelenggaraan pemetaan yang akurat dan terintegrasi, serta penyediaan mekanisme koreksi dan pertanggungjawaban hukum atas kesalahan pemetaan. Akurasi pemetaan kadastral berpengaruh langsung terhadap kekuatan pembuktian hak keperdataan, kepastian hukum, dan perlindungan hak pemegang tanah. Oleh karena itu, negara perlu mendorong penerapan pemetaan kadastral presisi tinggi yang didukung pembaruan regulasi, peningkatan kompetensi sumber daya manusia, serta integrasi data geospasial nasional agar pemetaan kadastral berfungsi optimal sebagai instrumen perlindungan hak keperdataan dan penataan administrasi pertanahan yang berkeadilan.
IMPLEMENTASI METODE SIMPLE ADDITIVE WEIGHTING (SAW) DALAM SISTEM PENDUKUNG KEPUTUSAN PENENTUAN HARI DENGAN JUMLAH PEMBELI TERTINGGI (STUDI KASUS TOKO BAJU SPRING) Zainudin; Dede Supian
Journal of Research and Publication Innovation Vol 4 No 1 (2026): JANUARY
Publisher : Journal of Research and Publication Innovation

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

Abstract

This study aims to design and develop a Decision Support System (DSS) to determine the days with the highest number of customers at Spring Clothing Store using the Simple Additive Weighting (SAW) method. The research is motivated by the difficulties faced by the store owner in predicting peak customer days due to the large number of criteria that must be considered in the decision-making process. The existing manual and subjective approach, which relies heavily on intuition, often leads to inaccurate decisions, resulting in suboptimal stock management, reduced customer satisfaction, and potential financial losses. The SAW method is applied to provide a more structured, objective, and accurate approach by ranking alternative days based on predefined criteria. The research methodology includes data collection through observation, interviews, and literature studies, followed by system design and implementation using web-based programming with PHP and a MySQL database. The results indicate that the SAW-based DSS effectively assists the store owner in identifying high-traffic customer days, enabling better stock preparation and minimizing the risk of losses. This study contributes to the practical application of multi-criteria decision-making methods in small retail business management and may serve as a reference for similar implementations.