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All Journal Pendidikan Teknik Bangunan Edu Sains: Jurnal Pendidikan Sains dan Matematika Al-Jabar : Jurnal Pendidikan Matematika Jurnal Pendidikan Nusantara
Triana Dewi
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PENGARUH PENGGUNAAN TERAK SEBAGAI PENGGANTI AGREGAT KASAR TERHADAP KUAT LENTUR DAN BERAT JENIS PADA BETON NORMAL DENGAN PERBANDINGAN 1:2:3 Dewi, Triana; Saputro, Ida Nugroho; Agustin, Rima Sri
Pendidikan Teknik Bangunan Vol 2, No 2 (2013): Jurnal Pendidikan Teknik Bangunan
Publisher : Pendidikan Teknik Bangunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (406.209 KB)

Abstract

ABSTRAKBeton merupakan suatu bahan bangunan campuran dari bahan-bahan penyusunnya yaitu agregat kasar (kerikil), agregat halus (pasir), semen, air yang biasanya juga ditambah dengan bahan tambah (admixture atau additive) yang nantinya akan mengalami reaksi kimia dan mengalami pengerasan. Pentingnya penggunaan beton pada bangunan memicu adanya pengganti bahan-bahan penyusun beton salah satunya agregat kasar. Dengan adanya terak hasil limbah pengecoran logam diharapkan dapat dimanfaatkan sebagai pengganti agregat kasar karena ketersediaannya yang melimpah dan belum dimanfaatkan secara maksimal. Tujuan penelitian ini adalah untuk mengetahui pengaruh terak sebagai pengganti sebagian agregat kasar terhadap kuat lentur dan berat jenis pada beton normal dengan variasi penggantian terak 0%, 20%, 40%, 60%, 80% dan 100%.Penelitian ini merupakan penelitian kuantitatif yang lakukan secara eksperimen dengan metode perbandingan berat 1 semen : 2 pasir : 3 kerikil. Benda uji yang digunakan berbentuk balok dengan dimensi 15 x 15 x 60 cm. Uji yang diterapkan pada benda uji adalah uji kuat lentur dengan menggunakan 2 titik beban dengan jarak 1/3 L.Berdasarkan hasil penelitian, diperoleh hasil ada pengaruh yang kuat dari penggunaan terak sebagai pengganti sebagian agregat kasar pada beton, pengaruh ini bersifat negatif yang menyebabkan kuat lentur beton semakin menurun. Penggantian terak sebagai pengganti sebagian agregat kasar berpengaruh dengan taraf sedang terhadap berat jenis beton. Pengaruh ini bersifat positif yang menyebabkan berat jenis terjadi peningkatan dan dari semua variasi penggantian terak beton yang telah diuji memenuhi syarat berat jenis beton normal yaitu 2200 kg/m³ ? 2500 kg/m³. ( SNI 03-2847-2002).Simpulan penelitian ini adalah variasi penggantian terak sebagai pengganti sebagian agregat kasar pada beton berpengaruh negatif dengan taraf kuat terhadap kuat lentur beton dan berpengaruh positif dengan taraf sedang terhadap berat jenis beton.Kata Kunci: terak, kuat lentur, berat jenis, beton
The influence of the creative problem solving (CPS) model on increasing the mathematics procedural ability of class VII students on whole numbers Dewi, Triana; Rosmaiyadi, Rosmaiyadi; Husna, Nurul
Edu Sains: Jurnal Pendidikan Sains & Matematika Vol 11 No 2 (2023): VOLUME 11 NOMOR 2 DESEMBER 2023
Publisher : IAIN Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23971/eds.v11i2.4593

Abstract

This research aims; (1) to describe the difference in increasing students' mathematical procedural abilities between those using the Creative Problem Solving (CPS) learning model and the direct learning model on integer material; (2) to describe the influence of the CPS on students' mathematical procedural abilities on integer material; (3) to describe students' high motivation to learn through the CPS on integer material. This type of research is a Quasi-Experimental Design with research design The Non-equivalent Posttest Only Control Group Design. Samples were taken by the saturated sampling technique. The sample consists of two classes, namely class VIIA as the control class and class VIIB as the experimental class. Based on the analysis results, it is concluded that; (1) there is a difference in improvement between the experimental class and the control class. The T-Two Independent Samples test evidences this, it is found that there are differences in the mathematical improvement of the experimental class students and the control class students; (2) the influence of the CPS model on students' mathematical procedural abilities. The value of Effect Size is 6.0 which is in the significant criteria; (3) students' learning motivation taught by the CPS is high.
Developing an Interactive Mathematics Multimedia Learning Based on Ispring Presenter in Increasing Students’ Interest in Learning Mathematics Anwar, M Saidun; Choirudin, Choirudin; Ningsih, Eka Fitria; Dewi, Triana; Maseleno, Andino
Al-Jabar: Jurnal Pendidikan Matematika Vol 10 No 1 (2019): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v10i1.4445

Abstract

The purpose of this study is to develop a multimedia learning based on iSpring Presenter to increase students' interest in learning in mathematics. This study uses the ADDIE development model which consists of five stages, namely analysis, design, development, implementation, and evaluation. The data analysis technique used is descriptive quantitative. The results showed that the interactive mathematics multimedia learning based on iSpring Presenter has fulfilled the requirements to be considered feasible to be used in the learning process and is feasible to be used as learning support media to increase students' interest in learning through varied learning activities. 
Leadership Strategies of Madrasah Ibtidaiyah Principals to Realise Students with Islamic Character Dewi, Triana; Imron Muttaqin
Jurnal Pendidikan Nusantara Vol. 3 No. 1 (2024): Jurnal Pendidikan Nusantara (January-April)
Publisher : Tahta Media Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55080/jpn.v3i1.49

Abstract

The madrasah head as the person in charge of educational institutions is a leader in the field of education who bears great responsibility and influence on the development of educational institutions. In line with this, the role of the madrasah principal will have a significant impact on the progress and development of education, with the aim of improving standards and human resources in the quality of education itself. This article aims to find out the strategy and implementation of the principal's leadership to build the growth of students with Islamic character, which is carried out at MI Muhammadiyah 12 Ngampel, Balong, Ponorogo. Therefore, there is a strategy in growing quality and good character students. This research is a field research with a qualitative approach, data collection through interviews, surveys, observations and documentation. This research uses qualitative methods to capture and translate phenomena and facts related to the leadership of the principal of MI Muhammadiyah 12 Ngampel. The results of this study show there are several strategies of the principal in shaping students, namely (1) being a role model for students; (2) Conducting dhuha prayer, dhuhur prayer in congregation, Tahfidz, and BTA every day; (3) implementing honesty, this is something that will be fundamental and very important in the formation of good character for students in accordance with the guidance of Islamic teachings; (4) Developing of manners and responsibilities related to behaviour, morals, and values in interpersonal interactions as well as in the context of class and society.
Co-Authors Andino Maseleno Anwar, Muhammad Saidun Choirudin, Choirudin Eka Fitria Ningsih Ida Nugroho Saputro Imron Muttaqin Nurul Husna Rima Sri Agustin Rosmaiyadi