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Septiani, Ria
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Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Social Sciences Transportation

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Penggunaan Styrofoam dan Abu Serbuk Kayu pada Campuran Laston Lapis Aus dengan Metode Pencampuran Basah Septiani, Ria; Saleh, Sofyan M.; Lulusi, Lulusi
Journal of The Civil Engineering Student Vol 3, No 1 (2021): Volume 3, Nomor 1, April 2021
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/journalces.v3i1.11924

Abstract

Jalan raya memiliki karakteristik yang berbeda-beda yang lama-kelamaan akan mengalami kerusakan. Salah satu upaya untuk meningkatkan mutu campuran laston lapis aus (AC-WC) adalah dengan memodifikasi campuran aspal dengan menambahkan bahan polimer yaitu limbah styrofoam. Tujuan dari penelitian ini adalah untuk mengetahui karakteristik Marshall Test dari substitui penggunaan styrofoam sebagai substitusi aspal pen. 60/70 dan abu serbuk kayu sebagai filler abu serbuk kayu terhadap campuran laston lapis aus (AC-WC) dan untuk mengetahui pengaruh rendaman dengan variasi waktu 30 menit dan 24 jam. Metode pengujian yaitu pengujian Marshall dan durabilitas pada kadar aspal optimum terbaik dengan menggunakan metode cara basah. Hasil penelitian diperoleh kadar aspal optimum (KAO) yaitu 6,50%, kombinasi campuran abu serbuk kayu dan semen Portland yang terbaik didapat dengan perbandingan 25% ASK dan 75% PC dengan nilai KAO 6,05%, nilai stabilitas tertinggi didapat pada variasi styrofoam 9% dengan KAO 6,50% yaitu 1249,01 kg. Nilai durabilitas pada kombinasi filler tidak memenuhi spesifikasi yaitu sebesar 81,76 %  dan kombinasi campuran styrofoam dengan filler abu serbuk kayu dan semen Portland didapat sebesar 96,51% sesuai dengan spesifikasi Umum Bina Marga Revisi 4 tahun 2018 yaitu 90%.
The Influence of Leverage, Profitability, and Company Size With Moderation of Audit Quality on Company Value Kinanti, Kartika Ayu; Rusdianti, Imanita Septian; Septiani, Ria; Mudjiyanti, Rina; Cahyaningati, Retno
Bulletin of Management and Business Vol. 5 No. 1 (2024): March 2024
Publisher : Program Studi Manajemen, Fakultas Ekonomi dan Bisnis, Universitas Widya Gama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/bmb.v5i1.313

Abstract

Companies in the D222 sector in Indonesia have the potential to dominate the global market. This study aims to examine how the value of companies in the D222 sector is formed by financing policies, namely leverage, the ability to generate profits, namely profitability. Additionally, this research also investigates the influence of company size on firm value. The urgency of this research is underscored by the fact that audit performance is instrumental in driving strategic efforts by companies to enhance their value. Sampled from the years 2020-2022 and drawn from companies listed on the stock exchange, the population consists of 26 companies. Purposive sampling was employed to select a sample of 19 companies in the D222 sector. The data was analyzed using multiple regression in SPSS version 27. The findings indicate that financing policies, specifically Leverage, do not significantly influence firm value, whereas the ability to generate profits, namely Profitability, has a significant positive impact on firm value. Company size does not appear to affect the increase in firm value. However, the role of Audit Quality as a moderator yields varying results. Regarding the relationship between financing policies, namely leverage, and firm value, Audit Quality does not seem to strengthen it. The same results are obtained concerning the relationship between the ability to generate profits, namely profitability, and firm value. However, Audit Quality appears to strengthen the relationship between Company Size and Firm Value. These findings offer valuable insights into the interaction of these factors in the context of the processed food industry in Indonesia, aiming for dominance in the global market.
Co-Authors Cahyaningati, Retno Imanita Septian Rusdianti KINANTI, Kartika Ayu Lulusi Lulusi Mudjiyanti, Rina Sofyan M. Saleh