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All Journal Potensi : Jurnal Sipil Politeknik Nuansa Informatika Jurnal Teknik Sipil
s, Syahril
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Transportation

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Rancang Bangun Sistem Inventory (Studi Kasus: UD. Asia Pratama Pekanbaru) Sesilia Rosaulina, Sesilia; Sihotang, Ceria Monika; S, Syahril
NUANSA INFORMATIKA Vol. 18 No. 2 (2024): Nuansa Informatika 18.2 Juli 2024
Publisher : FKOM UNIKU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/ilkom.v18i2.156

Abstract

UD Asia Pratama Pekanbaru, a trading company in the building industry, is facing problems in managing inventory which is still manual, causing inefficiencies and inaccurate data. This research aims to design and implement an efficient and effective web-based inventory management system. The system development method uses the Waterfall model, including requirements analysis, design, implementation and testing. Data was collected through interviews with employees and analysis of documents related to inventory. The research results show that the system developed can increase inventory management efficiency, with real-time stock management features, recording of incoming and outgoing goods, and accurate reporting. User testing and evaluation shows that the system is acceptable and meets UD Asia Pratama's needs in overcoming inventory problems.
Sustainable Soil Improvement: Soft Clay Stabilization Using Rice Husk Hush and Waste Spent Catalyst RCC 15 Sagala, Sandy D; S, Syahril; Purba, Dian Adiputra; Marques, Alexandre
Potensi: Jurnal Sipil Politeknik Vol. 27 No. 1 (2025): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/potensi.v27i1.6518

Abstract

This study explores the chemical stabilization of soft clay soil to enhance its bearing capacity and improve its performance under structural loads. A fixed proportion of Rice Husk Ash (RHA) at 6% by weight was combined with varying amounts of spent catalyst RCC 15 (5%, 7%, 9%, and 11%) as stabilizing agents. The experimental program included the characterization of soil index properties, followed by engineering tests with emphasis on Unconfined Compressive Strength (UCS), Atterberg limits, compaction characteristics, and California Bearing Ratio (CBR). The Atterberg limit tests indicated a consistent reduction in the plasticity index (PI) with increasing RCC content, reflecting improved soil stability. Compaction results showed an increase in Maximum Dry Density (MDD) and a decrease in Optimum Moisture Content (OMC), with the highest MDD (13.29 kN/m³) and an OMC of 25.67% achieved at 6% RHA and 11% RCC. UCS values increased progressively, reaching a maximum of 1.822 kg/cm² with the same mixture. CBR results further supported these findings, with unsoaked values increasing from 4.75% to 6.60%, and soaked values from 3.30% to 6.20%. The combined use of RHA and RCC 15 significantly improves the geotechnical properties of soft clay, highlighting its potential as a sustainable and effective construction material.
PERBAIKAN TANAH BERKELANJUTAN: STABILISASI TANAH LEMPUNG LUNAK MENGGUNAKAN ABU SEKAM PADI DAN SPENT CATALYST RCC 15 Sagala, Sandy D; S, Syahril; Purba, Dian Adiputra
JURNAL TEKNIK SIPIL Vol 14, No 2 (2025): Volume 14 Nomor 2 November 2025
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jts.v14i2.45173

Abstract

Stabilisasi tanah lempung lunak menggunakan abu sekam padi (ASP) dan spent catalyst RCC 15 telah dilakukan untuk meningkatkan sifat mekanis dan strukturalnya. Pengujian Atterberg limit menunjukkan bahwa indeks plastisitas (PI) tanah asli sebesar 29,45% menurun menjadi 25,55% setelah distabilisasi dengan 6% ASP dan 11% RCC 15, menandakan peningkatan stabilitas tanah akibat reaksi pozzolanik yang mengurangi plastisitas. Pada uji pemadatan, penambahan RCC 15 dan ASP meningkatkan berat isi kering maksimum (d maks) dari 12,93 kN/m menjadi 13,29 kN/m, serta sedikit menurunkan kadar air optimum (OMC) menjadi 25,67%, yang menunjukkan peningkatan kepadatan dan daya pemadatan tanah. Pada pengujian kuat tekan bebas (UCS), kuat tekan tanah asli sebesar 0,412 kg/cm meningkat menjadi 1,822 kg/cm setelah 7 hari peram dan mencapai 2,309 kg/cm setelah 14 hari peram. Peningkatan ini menunjukkan bahwa masa peram berperan dalam memperkuat struktur tanah melalui pembentukan senyawa kalsium silikat hidrat (C-S-H) yang memperbaiki kekuatan tanah. Hasil uji CBR juga menunjukkan peningkatan daya dukung tanah, di mana pada kondisi tanpa perendaman, nilai CBR tanah asli meningkat dari 4,75% menjadi 7,30% setelah 14 hari peram, sementara pada kondisi terendam, nilai CBR meningkat dari 3,30% menjadi 6,50%. Secara keseluruhan, kombinasi ASP dan RCC 15 terbukti meningkatkan sifat fisik dan mekanis tanah, dengan masa peram yang lebih lama berkontribusi pada stabilisasi yang lebih optimal. Hasil ini menunjukkan bahwa penggunaan ASP dan RCC 15 dapat menjadi solusi efektif dalam meningkatkan kualitas tanah lempung lunak untuk berbagai aplikasi konstruksi.
Co-Authors Marques, Alexandre Purba, Dian Adiputra Sagala, Sandy D Sesilia Rosaulina, Sesilia Sihotang, Ceria Monika