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All Journal Jurnal Teknik Sipil Proceeding of International Conference on Entrepreneurship (IConEnt)
Louis Louis, Louis
Staf Pengajar Departemen Teknik Sipil, Universitas Kristen Indonesia, Paulus, Makassar.
Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance

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Penggunaaan Terak Nikel Sebagai Agregat Beton Pemberat Pipa Gas Lepas Pantai Sugiri, Saptahari; Soemardi, Biemo W.; Sutha, Gde Pradnyana; Louis, Louis
Jurnal Teknik Sipil Vol 12, No 4 (2005)
Publisher : Institut Teknologi Bandung

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Abstract

Abstrak. Terak nikel merupakan produk limbah industri nikel yang banyak terdapat di Soroako, Sulawesi Selatan dan merupakan hasil limbah industri nikel PT. INCO. Dalam seminggu limbah terak nikel yang dihasilkan   mencapai 48679 ton. Terak nikel memiliki bobot yang berat sehingga sangat cocok digunakan sebagai bahan agregat beton pemberat pipa. Dengan semakin berkembangnya explorasi gas lepas pantai, maka penggunaan beton pemberat pipa gas semakin meningkat, dan oleh karenanya terak nikel menjadi sangat potensial untuk digunakan sebagai agregat beton pemberat karena bobotnya yang berat dan jumlah terak nikel yang sangat banyak. Berdasarkan hasil penelitian beton pemberat agregat terak nikel, dengan metoda ACI didapat kuat tekan 50.77 Mpa, kemudian campuran tersebut memenuhi persyaratan absorpsi beton dibawah 5% yaitu 0.69% dan berat jenis beton pipa pemberat terak nikel didapat 3267 kg/m3.Abstract. Nickel slag is a by-product from “PT INCO”, a nickel mining industry in Soroako, South Celebes. The quantity of nickel slag product can reach to 48679 tons per week. Nickel slag has a very heavy weight thus making it suitable for use as aggregate material in concrete for weighted pipes. The rapid expansion of offshore gas explorations has given rise to the need and development of weighted pipes, and therefore nickel slag is very potential for use as aggregate in concrete for weighted pipes due to its heavy weight and abundance as by-product. Research studies on concrete for weighted pipes using nickel slag aggregate using ACI method resulted in a compression strength of 50,77 Mpa. Furthermore the mixture complies with the requirement for concrete absorption to be lower then 5% which is 0,69%, and the specific gravity is 3267 kg/m3.
THE EFFECT OF TAX AVOIDANCE, LEVERAGE, AND PROFITABILITY ON COST OF DEBT IN MANUFACTURING COMPANIES LISTED ON THE INDONESIA STOCK EXCHANGE Louis, Louis; Yenni, Yenni
Proceedings of the International Conference on Entrepreneurship (IConEnt) Vol. 2 (2022): Proceedings of the 2nd International Conference on Entrepreneurship (IConEnt)
Publisher : Universitas Pelita Harapan

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Abstract

For a company's operational activities to run smoothly, it requires funds to finance the company's activities as working capital, one of the ways is through debt financing. This financing option would result in interest payment, hence resulting in the cost of debt. This research aims to study the effect of tax avoidance, leverage, and profitability on cost of debt in manufacturing companies listed on Indonesia Stock Exchange (IDX). This study is a quantitative descriptive study that applies the purposive sampling method, with 78 manufacturing companies listed on the IDX from 2017 to 2019 were chosen as the sample of this study. To analyze the data obtained, this study used a multiple linear regression model. This study found that tax avoidance has no effect on the cost of debt in manufacturing companies listed on the IDX. Meanwhile, leverage and profitability both have positive significant partial effect on the cost of debt in manufacturing companies listed on the IDX. Furthermore, tax avoidance, leverage, and profitability have significant simultaneous effect on cost of debt in manufacturing companies listed on IDX. Collectively, these variables have 19.1% effect on cost of debt, while the remaining 80.9% effect is caused by factors that are not addressed in this study, such as good corporate governance, inflation, sales growth, and payback period.
Co-Authors Biemo W Soemardi, Biemo W Gde Pradnyana Sutha, Gde Pradnyana Saptahari Sugiri, Saptahari Yenni Yenni