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All Journal axial : jurnal rekayasa dan manajemen konstruksi Journal of Innovation and Research in Primary Education
Dewi, Yeni Kartika
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Civil Engineering, Building, Construction & Architecture Education Languange, Linguistic, Communication & Media Mathematics Other

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KAJIAN DAMPAK LALU LINTAS TERHADAP KINERJA JALAN (Studi Kasus jalan Mayjen Sungkono – Jalan HR.Muhammad) Akbar, Taufik; Dewi, Yeni Kartika
axial : jurnal rekayasa dan manajemen konstruksi Vol 6, No 3 (2018): Volume 6, Nomor 3, Tahun 2018
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/axial.v6i3.540

Abstract

Abstrak. Kota Surabaya sebagai salah satu kota besar di indonesia mempunyai tingkat kepadatan lalulintas yang tinggi. Hal ini dapat dilihat dari kemacetan yang sering terjadi, semakin banyak jumlahkendaraan dengan kapasitas jalan tidak memadai. Kemacetan yang terjadi di kota Surabaya umumnyasering dijumpai di daerah perdagangan, daerah pendidikan maupun daerah perkantoran. Tujuan penelitianini adalah untuk mengetahui volume lalu lintas harian rata-rata, derajat kejenuhan, dan kapasitas JalanMayjen Sungkono. Data volume lalu lintas harian rata-rata dari Dinas Perhubungan Kota Surabayamemperlihatkan tingkat kenaikan volume lalu lintas. Tercatat tahun 2014 – 2018 dengan total 97,602 lalulintas harian rata-rata, dengan tingkat kenaikan kurang lebih 15 persen per dua tahun. Kapasitas jalan menunjukkan total53,995 smp/jam. Kelayakan jalan ditinjau dari segi lalu lintas yang akan ditentukan berdasarkan nilaiderajat kejenuhan yang baik, yaitu lebih kecil 0,85. Hasil analisis dari kondisi eksisting jalan yang di hitung darikapasitas jalan dan volume lalu lintas harian rata-rata diperoleh nilai DS 1.80 yang berarti volumekendaraan sudah melebihi kapasitas. Kecepatan pengendara saat melintas yaitu sepeda motor dengan ratarata68.4 Km/h, mobil dengan rata-rata 58.8 Km/h angkot dengan rata-rata 42.9 Km/h, pick up/ boxdengan rata-rata 4.8 Km/h, truk 1 sumbu dengan rata-rata 42.9 km/h.Kata Kunci : Derajat kejenuhan, volume lalu lintas, kapasitas,kecepatan,kecepatan rata-rata.
Development of Artificial Intelligence–Assisted Whole Number Mathematics Teaching Materials Integrating Plug and Unplug Activities to Enhance Fifth-Grade Students’ Critical Thinking Skills Dewi, Yeni Kartika; Setyosari, Punaji; Rufiana, Intan Sari
Journal of Innovation and Research in Primary Education Vol. 5 No. 1 (2026)
Publisher : Papanda Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jirpe.v5i1.2892

Abstract

This study aimed to develop Artificial Intelligence (AI)–assisted mathematics teaching materials integrating plug and unplug activities on the topic of whole numbers (0–100,000) for fifth-grade elementary school students. The research employed a research and development (R&D) approach using a systematic instructional design model. The developed product combined digital plug-based activities using a Scratch application with simple AI features and unplug-based activities through concrete learning media. Data were collected through expert validation sheets, teacher and student practicality questionnaires, and pre-test and post-test instruments to measure effectiveness and students’ critical thinking skills. Data analysis was conducted using descriptive quantitative techniques. The results indicated that the teaching materials achieved a very high level of validity (89.13%), practicality (95.25%), and effectiveness (95.4%). In addition, students’ critical thinking skills reached a very high category, with an average achievement of 97.9%. These findings suggest that AI-assisted mathematics teaching materials integrating plug and unplug activities are feasible, practical, and effective in supporting critical thinking development among elementary school students. The study contributes to the integration of Artificial Intelligence, computational thinking, and student-centered learning in elementary mathematics education.
Co-Authors Intan Sari Rufiana Punaji Setyosari Taufik Akbar