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All Journal Jurnal Ilmiah Mahasiswa teknik Mandiri: Jurnal Akuntansi dan Keuangan
Rahmad Hidayat
Universitas Muhammadiyah Sumatera Utara
Automotive Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Pengaruh Serbuk Kaca Pada Kuat Tekan Sebagai Subtitusi Parsial Semen Dengan Bahan Tambah Sikacim Concrate Additive Rahmad Hidayat
Jurnal Ilmiah Mahasiswa Teknik [JIMT] Vol 1, No 1 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (647.392 KB)

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh bahan tambah Sikacim Concrete Additive terhadap kuat tekan beton serta untuk membandingkan antara kuat tekan beton normal dan beton filler seruk kaca dan sikacum concrete additive yang bertujuan untuk meningkatkan ketahanan dan kuat tekan beton. Pada penelitian ini menggunakan sikacim sebesar 1% dari berat semen, dan Persentase serbuk kaca yang digunakan sebesar 4%,8% dan 12% sebagai substitusi parsial semen dengan umur 28 hari.Dimensi benda uji silinder 15 x 30 cm, Rancangan campuran menggunakan metode SNI 03-2834-2000.Setiap variasi dibuat 3 benda uji, sehingga jumlah keseluruhannya 12 buah benda uji. Pengujian yang dilakukan yaitu uji kuat tekan beton, Nilai kuat tekan beton rata-rata umur 28 hari dengan bahan tambah kombinasi antara serbuk kaca 4%, 8%, 12% dengan sikacim concrete additive 1% pada campuran beton, terjadi peningkatan sebesar 1,04%, 3,02%, 0,37% dari kuat tekan beton tanpa bahan tambah. Dengan demikian dapat dinyatakan bahwa peningkatan penambahan serbuk kaca dengan sikacim concrete additive dalam jumlah tetap dalam campuran beton, maka kuat tekan beton yang dihasilkan semakin tinggi.
Dampak Perubahan Laba ditinjau dari Return on Equity (ROA), Debt Equity Ratio (DER) dan Total Asset Turn Over (TATO) Pada Perusahaan Manufaktur di Indonesia Rahmad Hidayat
Mandiri : Jurnal Akuntansi dan Keuangan Vol. 1 No. 3 (2022): Oktober 2022
Publisher : Lembaga Riset Ilmiah, Yayasan Mentari Meraki Asa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (464.478 KB) | DOI: 10.59086/jak.v1i3.164

Abstract

This study aims to determine the impact on earnings changes in terms of several aspects, namely return on equity (roe), debt to equity ratio (der), and total assets turn over (tattoos) in manufacturing companies on the Indonesian stock exchange in 2018-2021. This study uses a qualitative approach with secondary data sources obtained from the company's financial statements published on www.idx.co.id. The sampling technique in this study is the number of objects of companies listed on the IDX, where as many as 8 companies with data for 4 years so that the sample size is 32 data. The analysis carried out in this study is a panel data test which includes descriptive statistical analysis, Common Effects Model, Fixed Effects Model, Chow Test, Random Effects Model Test and Hausman Test (Software used to conduct this research is eviews version 10. Based on the results of the study it can be concluded that return on equity (roe), debt to equity ratio (der), and total assets turnover (tattoo) have partial and simultaneous effect on earnings changes, where the research that has been carried out obtains data taken based on the Common Securities Model
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