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Agus Dwianto
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Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Social Sciences

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PENGARUH VARIASI PENGGUNAAN SERAT POLYPROPYLENE TERHADAP UJI KUAT TARIK BELAH BETON RINGAN Agus Dwianto; Sartika Nisumanti; Utari Sriwijaya Minaka
Jurnal Teknik Sipil Vol 7 No 1 (2023): Jurnal Gradasi Teknik Sipil - Juni 2023
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/gradasi.v7i1.1407

Abstract

Beton ringan dihasilkan dengan cara pengurangan agregat kasar sehingga beton akan berpori atau berongga dan menghasilkan berat yang ringan. Untuk meningkatkan mutu beton tersebut maka ditambah material tambahan yaitu serat polypropylene (sejenis plastik mutu tinggi). Penelitian ini bertujuan untuk mengetahui pengaruh serat polypropylene sebagai material tambahan pada kuat tarik belah beton ringanserta mengetahui kadar persentase penambahan serat polypropylene paling optimum. Metodologi yang digunakan adalah eksperimen yang merupakan metode penelitian untuk mengetahui pengaruh tertentu. Penelitian ini menggunakan 3 variasi campuran dengan persentase 0.25%, 0.50%, 0.75% dengan jumlah benda uji 36 buah dan umur penggujian dimulai dari 7 hari, 14 hari serta 28 hari. Dari hasil pengujian uji kuat tarik belah didapat hasil pengujian umur 28 hari beton normal sebesar 1.38 MPa pada penambahan serat dengan variasi 0.25%, 0.50% serta 0.75% sebesar 1.54 MPa, 1.49 MPa dan 1.43 MPa. Didapat nilai optimum pada persentase 0.25% sebesar 1.54 MPa
Does board gender diversity play an important role in environmental and corporate performance? Agus Dwianto; Annisa Qurrota A'yun; Mey Ayu Lestari; Daniel Kassim Sesay; Ibrahim Rahman Turay
Akuntansi dan Teknologi Informasi Vol. 17 No. 1 (2024): Volume 17, No.1 Maret 2024
Publisher : Jurusan Akuntansi,Fakultas Bisnis dan Ekonomika,Universitas Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24123/jati.v17i1.6216

Abstract

This research investigates the impact of Return on Assets (ROA), Debt to Equity Ratio (DER), Sales Growth, and Gender Diversity on Environmental Performance (EP) among 75 companies listed on the Indonesia Stock Exchange participating in the PROPER program from 2019 to 2022. The study employs a random effects model. The findings indicate that ROA, DER, Sales Growth, and Gender Diversity significantly influence EP. Specifically, Firm Size (FZ) moderates the impact of DER on EP. However, Firm Size does not significantly moderate the effects of ROA, Sales Growth, and Gender Diversity on EP. The research provides insights into factors contributing to the financial performance of companies and the moderating role of firm size. The novelty of the study lies in the moderating role of firm size in the relationship between ROA, DER, Sales Growth, and Gender Diversity with environmental performance. The research contributes to legitimacy, stakeholder, and agency theories. Policymakers can leverage these insights to formulate strategies that encourage corporate sustainability. This study offers valuable information for companies aiming to enhance both environmental and financial performance, ultimately contributing to broader societal well-being.
Co-Authors Annisa Qurrota A'yun Daniel Kassim Sesay Ibrahim Rahman Turay Mey Ayu Lestari Nisumanti, Sartika Utari Sriwijaya Minaka