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DESAIN REKAYASA DETAIL DINDING PENAHAN TANAH PADA RUAS JALAN WAISARISA KABUPATEN SERAM BAGIAN BARAT Vera Theresia Caroline Siahaya; Juvrianto Chrissunday Jakob; Jacob Johanis Lelapary
Journal of Innovative and Creativity Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i1.7174

Abstract

  Ruas Jalan Waisarisa di Kecamatan Kairatu, Kabupaten Seram Bagian Barat, mengalami kerusakan dinding penahan tanah pada STA 05+00 – 05+07 dengan tinggi 7 m dan panjang 10 m. Kerusakan ini terjadi akibat curah hujan tinggi yang menyebabkan aliran deras melalui gorong-gorong sehingga memicu erosi tanah di sekitar fondasi. Kondisi tersebut mengakibatkan longsor dengan dimensi 7 m × 6 m yang menutup sebagian badan jalan, mengganggu lalu lintas, dan menimbulkan risiko bagi pengguna jalan.Penelitian ini dilakukan untuk menganalisis stabilitas serta mendesain ulang dinding penahan tanah agar memenuhi standar keamanan konstruksi. Tahapan penelitian meliputi pengujian laboratorium berupa kadar air, berat jenis, berat isi, analisis saringan, dan batas Atterberg berdasarkan SNI. Hasil klasifikasi tanah menunjukkan jenis CL (Clay of low to medium plasticity) menurut sistem USCS. Analisis stabilitas dilakukan dengan metode Rankine untuk tekanan tanah lateral dan metode Terzaghi untuk kapasitas dukung tanah.Hasil perhitungan menunjukkan bahwa dinding penahan tanah tipe kantilever dengan dimensi tinggi 7 m, tinggi tapak 1 m, lebar atas 0,3 m, lebar dasar 4,8 m, lebar kaki 1,6 m, dan panjang tumit 2,4 m dinyatakan aman. Faktor keamanan geser sebesar 2,9 ≥ 1,5, guling 3,1 ≥ 1,5, serta daya dukung dengan σmax = 695 kN/m² lebih besar dari qa = 220,17 kN/m². Estimasi anggaran biaya pembangunan dinding penahan tanah adalah Rp1.056.000.000,00 atau Rp3.142.857,00/m³. Penelitian ini menghasilkan Detail Engineering Design (DED) berupa gambar teknis, detail penulangan, dan rekapitulasi biaya yang dapat dijadikan acuan dalam perencanaan proyek sejenis.
Penggunaan Pasir Pantai (Ngur Bloat) Desa Wisata Ngilngof Sebagai Bahan Pengganti Filler Pada Campuran Aspal Beton AC-WC: Sebuah Studi Eksperimental Rahantan, Abdu Rahman; Huwae, David Daniel Marthin; Jakob, Juvrianto Chrissunday
Jurnal Penelitian Multidisiplin Bangsa Vol. 2 No. 9 (2026): Februari
Publisher : Amirul Bangun Bangsa Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpnmb.v2i9.772

Abstract

Peningkatan pembangunan infrastruktur jalan menuntut ketersediaan material konstruksi yang memadai, khususnya agregat halus sebagai penyusun campuran aspal beton. Namun ketersedian material konvensional semakin terbatas sehingga diperlukan alternatif pengganti yang bersifat lokal, ekonomis, dan ramah lingkungan. Penelitian ini bertujuan untuk menganalisis penggunaan pasir pantai desa wisata ngilngof sebagai bahan pengganti filler pada campuran aspal beton AC-WC di tinjau dari karakteristik marshall. Metode penelitian yang digunakan adalah eksperimen dilaboratorium dengan variasi kadar pasir misalnya, sebesar 0%, 25%, 75%, 100% sebagai filler pengganti abu batu. Pengujian dilakukan menggunakan metode marshall untuk memperoleh parameter stabilitas, flow, Marshall Quontient (MQ), kepadatan, VMA, VIM, dan VFB. Berdasarkan hasil pengujian marshall terhadap pemanfaatan pasir ngilngof sebagai bahan pengganti agregat halus pada campuran aspal beton dapat disimpulkan bahwa pengujian yang tertara diatas menggunakan aspal \penetrasi 60/70, dengan nilai karakteristik marshall yang meliputi : nilai stabilitas (Kg) : 1606,2 > 800, flow (mm) : 3,47 > 2, Density (gr/cc) :1,987, VIM (%) : 17,62 > 3, VMA (%) :29,79 > 15, VFB (%) : 40,87 > 65, Marshall Quontient (kg/mm) : 463,04 > 200. Berdasarkan hasil penelitian yang telah dilakukan maka dapat di simpulkan bahwa penggunaan pemanfaatan pasir desa wisata ngilngof untuk campuran agregat halus belum bisa digunakan karena beberapa parameter pengujian belum memenuhi Spesifikasi Bina Marga 2018 Devisi 6.
Perencanaan Tebal Perkerasan Jalan Ruas Desa Laha Negeri Lima Kabupaten Maluku Tengah Haikuty, Mathias Theofilus; Hamkah, Hamkah; Jakob, Juvrianto Chrissunday
Jurnal Penelitian Multidisiplin Bangsa Vol. 2 No. 9 (2026): Februari
Publisher : Amirul Bangun Bangsa Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpnmb.v2i9.784

Abstract

Jalan merupakan bagian vital dari prasarana transportasi masyarakat, sehingga jumlah mobil yang melewati suatu ruas jalan berpengaruh terhadap daya dukungnya. Daya dukung tanah dasar sangat mempengaruhi kekuatan dan umur konstruksi perkerasan jalan. Perencanaan Tebal Perkerasan Lentur menggunakan Metode Manual Desain Perkerasan 2017 pada Ruas jalan baru Laha-Negeri Lima,di Kabupaten Malaku Tengah. Data lalu lintas harian rata-rata yang digunakan adalah data Ruas Jalan Laha – Negeri Lima Kabupaten Maluku Tengah Berdasarkan hasil survei lalu lintas yang dilaksanakan selama 3 hari yaitu, hari Senin, 15 April 2024, Rabu 17 April 2024, dan Sabtu 20 April 2024 pada dua pos pengamatan TS-1 dan TS-2. Berikut diuraikan dalam tabel-tabel data lalu lintas survei menurut golongan kendaraan hasil survei dari jam 06.00-18.00 WIT  atau selama 12 Jam, yang dibedakan menurut hari survei. Dari hasil uji lab nilai CBR rata-rata yang diperoleh pada jalan Ruas Jalan Laha – Negeri Lima di Kabupaten Maluku Tengah yaitu 8,31% dari hasil perhitungan diperoleh tebal perkerasan lentur pada Ruas Jalan Laha - Negeri Lima di Kabupaten Maluku Tengah yaitu AC-WC = 40 mm = 4 cm, AC-BC = 60 mm = 6 cm, AC Base = 70 mm = 7 cm, LPA Kelas A = 300 mm = 30 cm.
THE ANALYSIS OF CODE SWITCHING AND CODE MIXING PHENOMENON IN ENGLISH FACEBOOK GROUP OF YOUTH COMMUNITY Juvrianto Chrissunday Jakob
JETAL: Journal of English Teaching & Applied Linguistic Vol 2 No 1 (2020): September
Publisher : English Education Department at FKIP Nommensen University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36655/jetal.v2i1.190

Abstract

The phenomenon of code switching and code mixing has appeared in our daily life as an event or a trend around us. Facebook as a social media has become of code switching and code mixing phenomenon. This study aimed to analyze and to compare the kind of code switching and code mixing in Facebook group of English Youth Community. The analyzing process of code switching and code mixing in English Youth Community was taken from some comments of the members in English Youth Community where the researcher took screenshot of the members’ comments on Facebook group then analyzed the code switching and code mixing phenomenon in the comments of the members. The resarch subjects of this study are the members of English Youth Community on Facebook group. The method of this study was descriptive qualitative since the researcher intended to obtain the conversations among the members of English Youth Community on Facebook. The result of this study showed that intra essential code switching is the most widely used in some comments in English Youth Community than intra essential code switching and extra essential code switching. Code switching and code mixing phenomenon are done consciously by the members because of the change situation or the change of the topic in the English Youth Community group.
Evaluasi Saluran Drainase Jalan Wolter Monginsidi Passo Kecamatan Baguala Kota Ambon Syafna Maruapey; Renny James Betaubun; Juvrianto Chrissunday Jakob
KOLONI Vol. 3 No. 1 (2024): MARET 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/koloni.v3i1.600

Abstract

In general, drainage is defined as a series of water structures that reduce and remove excess water from an area or land so that the land can function optimally. If drainage is problematic, it will result in puddles on the highway's surface. One of the highways that experience inundation due to problematic drainage is Wolter Monginsidi Street in Passo, Baguala District, Ambon City. The old drainage is damaged and the channel dimensions are small. So that the drainage channel is remade on the road. The old drainage channel is 894 m long, 78 cm wide and 76 cm high. In comparison, the new existing drainage channel has a length of 894 m, a width of 120 cm, and a height of 120 cm using 16-20 mm reinforcement. Therefore, it is necessary to evaluate the drainage channel on Jalan Wolter Monginsidi Passo, Baguala District, Ambon City to determine the dimensions of the existing channel, population growth, and disposal of household sewage entering the drainage channel and runoff discharge on the highway. Based on the calculation, the number of residents in the 10th year (the year 2032) is as many as 1,165 people, with the amount of discharge water (Qb) = 0, 00023283 m3 / s / ha, runoff discharge (Qr) = 0.00467 m3 / s, channel discharge (Qs) = 2.796480 m3 / s with a difference of 2.791783 m3 / s. So that the capacity of the drainage channel meets and is feasible to use
Cultural Intelligence in AI-Driven Online Learning: Examining Bias and Inclusivity in Virtual Classrooms Juvrianto Chrissunday Jakob; Maslan Abdin; Mohammed H. Alaqad; Sivaraja S; Andi Asrifan
Jo-ELT (Journal of English Language Teaching) Fakultas Pendidikan Bahasa & Seni Prodi Pendidikan Bahasa Inggris IKIP Vol. 13 No. 1 (2026): June
Publisher : Faculty of Culture, Management, and Business Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jo-elt.v13i1.20009

Abstract

The integration of artificial intelligence (AI) into online education has transformed teaching and learning practices through personalization, automation, and adaptive learning support. However, the increasing use of AI-driven educational systems raises concerns regarding their ability to accommodate culturally diverse learners. While previous studies have primarily focused on the effectiveness of AI in improving engagement and learning outcomes, limited attention has been given to the role of cultural intelligence (CQ) in AI-mediated learning environments. This study examines how AI-integrated online learning platforms support or constrain cultural inclusivity among diverse student populations. The study employed an explanatory sequential mixed-methods design involving 230 participants, including students, instructors, and AI developers. Quantitative data were collected through surveys and analyzed using descriptive statistics, ANOVA, and regression analysis, while qualitative data from semi-structured interviews and focus groups were analyzed through thematic analysis. The findings indicate that although AI technologies improve accessibility and learning efficiency, many AI-driven systems still reflect dominant Western-oriented educational norms and communication styles. Non-Western learners and multilingual students reported lower engagement levels, particularly when AI-generated feedback and content recommendations lacked cultural representation and contextual sensitivity. The study also found that learners with higher levels of cultural intelligence demonstrated stronger adaptability to AI-mediated learning environments. This study contributes to the growing discussion on AI in education by positioning cultural intelligence as an important consideration in the design and implementation of AI-supported learning systems. The findings highlight the need for culturally responsive AI frameworks and emphasize the continuing importance of human–AI collaboration in creating equitable and inclusive online learning environments.
INTEGRATING DUOLINGO AND QUIZIZZ IN ENGLISH LANGUAGE LEARNING FOR CIVIL ENGINEERING STUDENTS: A LITERATURE REVIEW Juvrianto Chrissunday Jakob; Sylvia Irene Persulessy; Reynold Pieter Jordan Vigeleyn Nikijuluw; Phuong Le-Hong; Nihla Afdaliah
Epigram Vol 23 No 1 (2026): Vol. 23 No. 1 Tahun 2026
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/epi.v23i1.8348

Abstract

English proficiency is an essential skill for civil engineering students, as it supports their ability to access technical information, understand engineering literature, and communicate ideas in academic and professional contexts. However, many students still face challenges in developing adequate English language skills due to limited motivation and conventional learning approaches. The integration of digital technology has emerged as a promising solution to enhance language learning in higher education. This study aims to examine the potential use of Duolingo and Quizizz in supporting English language learning for civil engineering students. The study employs a literature review method by analyzing previous studies related to technology-assisted language learning. The results indicate that Duolingo contributes to vocabulary acquisition and grammar development through gamified learning activities, while Quizizz enhances student engagement and supports formative assessment through interactive quizzes. The findings suggest that integrating mobile learning applications into English language learning can create more engaging and flexible learning environments. Therefore, technology-based learning tools have the potential to improve English language competence among civil engineering students and support more effective language learning practices in higher education.
Scaffolding English Learning for Non-Native Speakers: A TEFL Approach in Multilingual Context Sylvia Irene Persulessy; Juvrianto Chrissunday Jakob; Hien Pham; Mohammed H. Alaqad; Andi Asrifan
IJECA (International Journal of Education and Curriculum Application) Vol 9, No 2 (2026): August
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/ijeca.v9i2.38895

Abstract

In multilingual settings like Indonesia, English language instruction encounters considerable obstacles stemming from learners' different linguistic backgrounds and differing competence levels. Despite scaffolding being acknowledged as a successful method in Teaching English as a Foreign Language (TEFL), its empirical implementation in multilingual Indonesian classrooms is still inadequately investigated. This study examines the impact of scaffolded instruction on English language competency, student engagement, and confidence in non-native secondary school learners. The study utilized a mixed-method explanatory sequential design, involving 60 students and 4 teachers, and incorporated language competence assessments, questionnaires, classroom observations, and semi-structured interviews. Quantitative data were studied by descriptive and inferential statistics, and qualitative data were assessed thematically. The results indicate that the experimental group exhibited a considerable enhancement, increasing from a pre-test mean score of 68 to 84 in the post-test (p < 0.01), surpassing the control group. Students indicated elevated motivation (M = 4.6) and perceived utility of scaffolding (M = 4.7). Observational and interview data reveal enhanced involvement, confidence, and culturally appropriate pedagogical approaches. These findings underscore the efficacy of context-sensitive scaffolding in improving both cognitive and emotional aspects of language acquisition. The study enhances TEFL research by supplying actual information from multilingual classrooms and presents practical suggestions for developing inclusive and flexible instructional practices.
EVALUASI KINERJA BETON SEMPROT STRUKTURAL PADA LERENG AKSES JALAN MASUK BENDUNGAN WAY APU Hamkah; Arifah Kurnia Nazwah Syafei; Juvrianto Chrissunday Jakob
Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Vol. 12 No. 2 (2026)
Publisher : Himpunan Pengembangan Jalan Indonesia (HPJI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jhpji.v12i2.10731.125-136

Abstract

Abstract Road infrastructure faces slope stability risks along its alignment due to high rainfall. Shotcrete structures offer potential as a surface layer to enhance slope stability. In this study, shotcrete was utilized for slope protection on the access road to the Way Apu Dam, located in Buru Regency, Maluku Province. The research evaluated the raw materials for the shotcrete mix and assessed the performance of the mix when used as a slope protection structure for the dam's access road. Test results confirmed that all materials used in the study met the applicable specifications. The study demonstrates that shotcrete serves as an effective alternative method for slope protec-tion, supporting the stability of the access road to the Way Apu Dam and similar infrastructure in hilly terrain. Furthermore, the research indicates that the SNI 03-2834-2002 method is suitable for designing shotcrete mix proportions. Keywords: shotcrete; slope stability; surface layer; slope protection; concrete mix Abstrak Infrastruktur jalan mempunyai risiko terhadap kestabilan lereng di sepanjang lintasan yang disebabkan oleh curah hujan tinggi. Struktur beton semprot berpotensi untuk digunakan sebagai lapisan permukaan untuk meningkatkan kestabilan lereng tersebut. Pada studi ini, beton semprot digunakan sebagai proteksi lereng pada jalan akses menuju Bendungan Way Apu, yang terletak di Kabupaten Buru, Provinsi Maluku. Pada penelitian ini dievaluasi bahan baku untuk membuat suatu campuran beton semprot dan dikaji kinerja campuran beton semprot yang digunakan sebagai struktur proteksi lereng jalan akses menuju Bendungan Way Apu. Berdasar-kan pengujian yang dilakukan, semua material yang digunakan pada penelitian ini dinyatakan memenuhi spesi-fikasi yang digunakan. Studi ini menunjukkan bahwa beton semprot dapat dijadikan salah satu alternatif metode proteksi lereng yang efektif, untuk mendukung kestabilan akses jalan menuju Bendungan Way Apu dan infra-struktur sejenis di wilayah perbukitan. Selain itu, penelitian ini menunjukkan bahwa metode SNI 03-2834-2002 dapat digunakan untuk merancang rumusan campuran beton semprot. Kata-kata kunci: beton semprot; kestabilan lereng; lapisan permukaan; proteksi lereng; campuran beton
Penerapan Pembuatan Video Pembelajaran Bahasa Inggris dalam Meningkatkan Motivasi Belajar Siswa Reynold P. J. Vigeleyn Nikijuluw; Sylvia Irene Persulessy; Juvrianto Chrissunday Jakob; Ahmad Nusi; Hindri Febri Ana Sari
Scholars Vol. 1 No. 1 (2023): SCHOLARS: Jurnal Sosial Humaniora dan Pendidikan
Publisher : P3M POLITEKNIK NEGERI AMBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/js.v1i1.1761

Abstract

Learning videos are interactive media that are currently commonly used in learning, especially in English subjects in recent times. Providing a positive impact on students' motivation in learning English is one of the benefits obtained from the application of this learning media. English learning videos made by involving students as actors in it are expected to foster their motivation in learning English. As for the purpose of this study, it was found that from the research data it was found that students were more motivated by learning English in class using the videos they participated in. Focusing on research methodology, descriptive quantitative research is applied to obtain research objectives. The results of the research obtained in this study are narrated in descriptive form.Keywords: learning videos, student motivation, English learning