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All Journal IAIC Transactions on Sustainable Digital Innovation (ITSDI) REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development
Haris, H.
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Environmental Science Library & Information Science Materials Science & Nanotechnology Transportation

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Studi Kelayakan Penggunaan Cangkang Kemiri Sebagai Pengganti Sebagian Agregat Kasar Terhadap Mutu Beton Haris, H.
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 1 Issue 2 (September 2020)
Publisher : Civil Engineering Department, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v1i2.29

Abstract

In the current era of globalization, the development of concrete in the construction sector is very rapid, be it housing, offices, bridges, roads, dams, ports, and others. That is inseparable from the use of concrete as a part of building construction. The use of coarse aggregate for concrete mixes, namely natural stone, is a non-renewable natural resource. Therefore an alternative is needed as a substitute. One of the natural resources that can be renewed is hazelnut skin. Candlenut is a traditional plant that has various benefits, one of which is a candlenut shell. In this study, the materials used for standard concrete mixtures consist of water, cement, fine aggregate, and coarse aggregate. The water used for mixing the concrete is taken from the PDAM channel. The results showed that the effect of candlenut shells used as a substitute for some coarse aggregate decreased compressive strength results from the results of standard concrete compressive strength. The results obtained by the value of standard concrete compressive strength at 28 days of concrete were 27.19Mpa for concrete using Candlenut shells of 20% produce a compressive strength value of 17.33 Mpa at 28 days of concrete. 35% produce a concrete compressive strength value of 16.04 Mpa, while 50% produce a concrete compressive strength value of 15.17 Mpa. Thus the research shows that more and more candlenut shells are being used as a substitute for coarse aggregate in the concrete mixture.
Library Information System Design at Library And The Archives Agency Of Tangerang City Haris, H.; Permatasari, Silvia; Saputro, Rizki Bayu
IAIC Transactions on Sustainable Digital Innovation (ITSDI) Vol 2 No 2 (2021): April
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/itsdi.v2i2.136

Abstract

The library is one of the containers used by the community to look for a variety of literature reviews in the form of books, catalogs and journals. A computerized library information system is needed to improve the quality of library services. This study aims to create a computerized system that can be used by librarians and library visitors easily. In this study, researchers used the PIECES method (Performance, Information, Economy, Control, Efficiency, Service). For designing the model using UML (Unified Modeling Language). The design concept uses MVC (Model View Controller). The design framework used is Bootstrap and CI, while the programming language uses PHP HTML CSS and Javascript. With this library information system, it is expected to facilitate the performance of officers in serving library visitors.
Co-Authors Aulia, Siti Shelatul Permatasari, Silvia Sanni, M Ifran Saputro, Rizki Bayu