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All Journal SAINSTEK ESEJ- ELEMENTARY SCHOOL AND EDUCATION JOURNAL
Ilham Saputra, Muhammad
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Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Other

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Kajian Ekperimen Meningkatkan Daya Dukung Tanah Gambut dengan Campuran Limbah Industri (Fly ash dan Bottom ash) Abrar, Aidil; Halimatusadiyah; Melliana; Alfharizhi, Hadid; Ilham Saputra, Muhammad
SAINSTEK Vol. 13 No. 2 (2025)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/js.v13i2.313

Abstract

Kemajuan teknologi yang terus berkembang mendorong manusia untuk dapat melakukan sesuatu dengan cepat namun teliti. Perkerasan jalan selama ini ditentukan secara manual dan cukup menghabiskan waktu, sehingga dibutuhkan inovasi baru untuk meningkatkan performa perkerasan jalan dengan cara meningkatkan daya dukung tanahnya, salah satu cara yang dapat dilakukan adalah dengan mengkaji daya dukung tanah gambut (uji CBR) menggunakan campuran limbah industri kelapa sawit. Metode yang diterapkan adalah metode eksperimen, yaitu penelitian analisis terhadap pengujian yang dilaksanakan di laboratorium tanah dengan mengukur kadar air dari bottom ash dan fly ash, meneliti berat jenis bottom ash dan fly ash, serta melakukan pengujian analisis saringan, uji kepadatan, dan persentase California Bearing Ratio dengan percobaan menggunakan metode trial and error pada komposisi campuran 40% bottom ash dan 60% fly ash serta 45% bottom ash dan 55% fly ash. Penelitian yang diperoleh menunjukkan bahwa campuran 40% bottom ash dan 60% fly ash menghasilkan nilai daya dukung yang lebih tinggi, mencapai angka 16,9%. Semakin sedikit fly ash yang ditambahkan, semakin rendah pula nilai CBR yang diperoleh, seperti pada campuran 45% bottom ash dan 55% fly ash, yang menunjukkan nilai daya dukung sebesar 15,6%.
Pemanfaatan Teknologi dan Tantangan Pembelajaran IPA di Kelas 4 SDN Plumbungan 2 Setianingsih, Fitriana; Lutfiyatun Nisfah, Hanafi; Amelia Putri, Indah; Saputra, Marsel; Candra Puspita, Septyana; Ilham Saputra, Muhammad
Elementary School and Education Journal Vol. 2 No. 1 (2026): ESEJ- ELEMENTARY SCHOOL AND EDUCATION JOURNAL
Publisher : Elementary School and Education Journal

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Abstract

The implementation of the independent curriculum in schools currently integrates various technologies, one of which is the content of science lessons at Plumbungan 2 Elementary School Class 4. The use of technology has its own advantages and disadvantages, not only involving teachers at school, but parents are also involved in facilitating their children's needs to support the learning process. The aim of the article is to provide an overview of the use of technology in science learning in elementary schools with an independent curriculum. The methods used are observation, literature study and documentation. The results of this observation show that the use of technology in learning at SDN Plumbungan 2 Class 4, especially in science and science learning content with an independent curriculum, provides benefits in increasing student motivation and understanding of learning. On the other hand, the lack of technology and the need to increase teacher capabilities in technology are challenges in implementation. Thus, school stakeholders must be strengthened to increase the professionalism and competence of teachers at SDN Plumbungan 2 Sragen.
Co-Authors Abrar, Aidil Alfharizhi, Hadid Amelia Putri, Indah Candra Puspita, Septyana Halimatusadiyah Lutfiyatun Nisfah, Hanafi Melliana Saputra, Marsel Setianingsih, Fitriana