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All Journal Jurnal Teknik Sipil
Nuh, Safarudin M
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Civil Engineering, Building, Construction & Architecture

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TECHNICAL AND PRODUCTIVITY MANAGEMENT STUDY OF CRUSHING PLANT TO ACHIEVE THE TARGET OF SPLIT STONE PRODUCTION IN ROCK MINING COMPANIES IN WEST KALIMANTAN Syahrudin, Syahrudin; Michelim, Stanley; Nuh, Safarudin M
Jurnal Teknik Sipil Vol 23, No 3 (2023): JURNAL TEKNIK SIPIL EDISI AGUSTUS 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v23i3.64313

Abstract

West Kalimantan has adequate and economically valuable rock reserves to be developed as a primary material for construction through rock-crushing activities using a rock crusher. Currently, in West Kalimantan, several mining companies produce rock, namely PT. Bukit Labu Mining and PT. Sulenco Wibawa Perkasa produces andesite, PT. Total Optima Prakarsa produces granodiorite, and PT Hasindo Mineral Persada produces granite. In general, production targets have not been achieved. This study aims to conduct technical and management studies on crushing plant productivity and the factors that cause the company's production target not to be achieved and to make efforts to increase productivity so that production targets can be met. Based on the research results, it is known that the factors causing the production target not to be achieved the technical aspects of the equipment and the management factors of the operational production management, which have not been optimal. Increasing the technical capability of the tool is carried out by increasing the amount of incoming feed by optimizing work compatibility between the dump truck and the crusher, reducing the material entering the crusher's size, increasing the crusher's setting, and increasing the workability of the tool.
Comparative Study of the Use of Hydraulic Pile Driver and Crane Mounted Drop Hammer in the Piling of Precast Prestressed Concrete Piles for Building Foundations in Kubu Raya Regency Syahrudin, Syahrudin; Nuh, Safarudin M; Michelim, Albert Stanley
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.60107

Abstract

Most of the soil conditions in Kubu Raya Regency are soft and peat soil with low carrying capacity and the potential for foundation subsidence, especially in high-rise buildings. Using a Hydraulic Static Pile Driver with a capacity of 120 tons and a Crane Mounted Drop Hammer with a capacity of 35 tons is an alternative to driving deep foundations on soft/peat soils. The purpose of this study was to conduct a comparative study of productivity, costs, risk aspects, occupational safety and health and environmental impacts of the two tools in the work of 30x30 cm precast concrete piles on the foundations of high-rise buildings in Kubu Raya Regency.
Co-Authors Michelim, Albert Stanley Michelim, Stanley Syahrudin Syahrudin, Syahrudin