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All Journal PIONIR: Jurnal Pendidikan Stabilita : Jurnal Ilmiah Teknik Sipil Fakultas Teknik Universitas Halu Oleo Kendari
Diana, Risma
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Civil Engineering, Building, Construction & Architecture Engineering Transportation Other

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STUDI EKSPERIMENTAL PENGARUH SUHU TERHADAP KUAT TEKAN TOOTHBRUSH WASTE PLASTIC CONCRETE (TPWC) Ashad, Hanafi; Ismail, Muh Shadikin; Utina, Toni; Burhanuddin, Muh Syarif; Diana, Risma; Masdiana, Masdiana
STABILITA || Jurnal Ilmiah Teknik Sipil Vol 11, No 3 (2023):
Publisher : Fakultas Teknik Jurusan Sipil Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/jts.v11i3.46105

Abstract

Indonesia adalah negara peringkat kedua penghasil sampah plastik di dunia . Hal ini karena jumlah penduduk Indonesia menduduki peringkat ke 4 di dunia yang mana hampir 80% masyarakat belum menyadari tentang pemilahan, penggunaan dan bahaya sampah dan semakin diperparah sejak Pandemi Covid 19. Pemerintah telah mengupayakan segala cara agar dapat menekan laju pertumbuhan produksi sampah plastik dengan menggeluarkan dana, menetapkan peraturan, menggalakkan program 5R. Salah satu upaya masyarakat adalah dengan memanfaatkan sampah menjadi material utama beton. Sampah sikat gigi plastik (Toothbrush Plastic Waste/TPW) adalah sampah yang tidak benilai namun produksinya sangat besar karena merupakan salah satu kebutuhan pokok kebersihan. Tekstur yang kuat, tahan panas dan tidak lapuk merupakan faktor utama pemilihan sebagai material subtitusi. TPW dipotong dengan Panjang 1-2 cm, komposisi prosentase TWP sebagai subtitusi agregat kasar diambil berdasarkan volume agregat kasar. Hasil penelitian membuktikan terjadi peningkatan kuat tekan hingga 28 hari. Toothbrush Plastic Waste of concrete pada kondisi sebelum dipanaskan yang terbaik adalah (TPWC) 2,5% memiliki nilai kuat tekan sebesar 15,83 Mpa dan berat isi sebesar 12,39 kg.
Mathematics Learning in the Difusi Era: Strategies and Challenges in Madrasah Ibtidaiyah Diana, Risma; Diana, Risma Chulashotud; Prapti Octavia Ningsih; Yuni Azura
PIONIR: JURNAL PENDIDIKAN Vol. 15 No. 1 (2026): PIONIR: JURNAL PENDIDIKAN
Publisher : Prodi PGMI FTK UIN Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/pjp.v15i1.31707

Abstract

This study aims to examine the effectiveness of the application of Project-Based Learning strategies combined with digital classroom media in learning basic mathematics for prospective elementary school teachers. The background of this research is based on students' low interest and understanding of mathematics, as well as the dominance of conventional learning approaches that are still teacher-centered. Through the Project-Based Learning approach, students are involved in making project-based learning media according to math materials such as KPK, FPB, whole numbers, fractions, and flat shapes. This process is also strengthened by the use of digital media for discussion, collaboration, and online task collection. The research used a quantitative descriptive approach with data collection techniques in the form of questionnaires distributed to 24 students. The results showed that 58.3% really understood the material taught, and 79.1% considered the learning strategy used to be effective. In conclusion, the digital classroom-based Project-Based Learning strategy is able to increase students' involvement, understanding, and motivation to learn mathematics. This approach also trains 21st century skills such as collaboration, creativity, and communication, and prepares students as competent teachers in the digital era. Keywords: Project-Based Learning, Digital Classroom, Mathematics Learning, Prospective Teacher Students, Learning Strategy
Co-Authors Burhanuddin, Muh Syarif Hanafi Ashad Ismail, Muh Shadikin Masdiana Masdiana Prapti Octavia Ningsih Risma Chulashotud Diana Utina, Toni Yuni Azura