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All Journal REKA INTEGRA Pendas : Jurnah Ilmiah Pendidikan Dasar
IRMA NOVITASARI
Institut Teknologi Nasional Bandung
Education Other

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Penentuan Faktor yang Berpengaruh Secara Signifikan Terhadap Variabel Respon Bata Beton Pejal Abu Vulkanik Merapi Dengan Menggunakan Perancangan Eksperimen Faktorial 3f NOVITASARI, IRMA; Adianto, Hari; Fitria, Lisye
REKA INTEGRA Vol 2, No 2 (2014): Edisi Keenam
Publisher : REKA INTEGRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (541.459 KB)

Abstract

Kualitas bata beton pejal abu vulkanik Merapi saat ini di B70 (rata-rata kuat tekan = 89,765 kg/cm2) yang berarti produk belum mencapai kualitas optimal B100 (kuat tekan ≥ 100 kg/cm2). Penelitian menggunakan desain faktorial 33 dan split split plot dilakukan untuk meningkatkan kualitas produk menjadi B100. Hasil penelitian menunjukan bahwa faktor A (kadar air pembentukan), faktor B (komposisi bahan), faktor C (gradasi butir agregat), interaksi faktor AB, interaksi faktor BC, dan interaksi faktor ABC berpengaruh secara signifikan terhadap kuat tekan. Kombinasi  faktor A level 2 (0,2), faktor B level 1 (1:5), dan faktor C level 1 (30% :30%:40%) meningkatkan kualitas produk menjadi B100 (rata-rata kuat tekan = 159 kg/cm2). Kata Kunci : Faktorial 33, split split plot, Bata Beton ABSTRACT Quality of solid concrete brick Merapi volcanic ash is in B70 (avarage of compressive strength = 89,765 kg/cm2) that means products haven`t reached the optimal quality B100 (compressive strength ≥ 100 kg/cm2). This research use 33 factorial design of experiments and split split plot to improve product quality into B100. The result of the research shows that A factor (water/cement ratio), B factor (material composition), C factor (gradation of aggregate), interaction of factor AB, interaction of factor BC, and interaction of factor ABC significantly affect to the compresissive strength. Combination A factor at level 2 (0,2), B factor at level 1 (1:5), and C factor at level 1 (30% :30%:40%) improve product quality into B100 (average of compressive strength = 159 kg/cm2). Keyword: 33 factorial, split split plot, compressive strength, concrete brick
PENINGKATAN SELF REGULATED LEARNING MELALUI LAYANAN BIMBINGAN KLASIKAL DENGAN METODE EXPERIENTIAL LEARNING SISWA KELAS VIIF SMPN 8 MADIUN Novitasari, Irma; Pramudia Trisnani, Rischa; Purnamasari, Juni
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 2 (2026): Volume 11 No. 02, Juni 2026.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i2.53957

Abstract

This study aimed to improve the self-regulated learning of Grade VII F students at SMPN 8 Madiun through classical guidance services using experiential learning method supported by My Study Road Map media. The problem addressed in this study was the low level of students’ self-regulated learning, particularly in learning evaluation, learning planning, self-efficacy, learning strategy application, and learning environment management. This research used Guidance and Counseling Action Research with a descriptive quantitative approach. The study was conducted in two cycles, each consisting of planning, action, observation, and reflection. The subjects were 25 students of Grade VII F. Data were collected through a self-regulated learning questionnaire, observation, documentation, and student reflection. The data were analyzed descriptively and inferentially using normality tests, paired sample t-test, and Wilcoxon Signed Rank Test. The results showed that students’ self-regulated learning increased from 45% in the pre-cycle to 65.6% in Cycle I and 82% in Cycle II. The statistical test also showed a significant improvement between posttest I and posttest II and between pretest and posttest II, with a significance value of 0.000. These findings indicate that classical guidance services using experiential learning method supported by My Study Road Map media can improve students’ self-regulated learning.
Co-Authors Hari Adianto Lisye Fitria Pramudia Trisnani, Rischa Purnamasari, Juni