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All Journal IJEBD (International Journal Of Entrepreneurship And Business Development) Jurnal Teknik Industri Terintegrasi (JUTIN)
Lalak Indiyono
Universitas 45 Surabaya
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Optimization of Implementation of Crane Certification in Contruction Service Companies M Yusuf Arnol; Nyoman Gede Suryadharma; Manggi Dwi Cahyono; Dahrijoso Soejakti; Lalak Indiyono
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 5 No 2 (2022): March 2022
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.038 KB) | DOI: 10.29138/ijebd.v5i2.1730

Abstract

Purpose: This study aims to analyze the effect of accelerating the implementation of work and the costs needed for the job of occupational safety and health certification in the Construction services company in East Java province. Design/methodology/approach: This study used a survey method carried out on 20 crane units in 4 construction service companies by analyzing data using Critical Path Method (CPM), resulting in an acceleration of inspection and testing of crane up to 37% with cost efficiency of 36 %. Findings: The results of this study are expected to provide an overview of Crane's reliability as early as possible to users to anticipate operational failures through regular maintenance and repairs. Research limitations/implications: This study can also determine the timing of inspection and testing in the context of implementing the Crane Occupational Safety and Health certification so that the use of resources can be optimized. Practical implications: With the implementation of inspection and testing, certification can be fulfilled before the certification period ends. Originality/value: This paper is original Paper type: Research paper
Kerangka Konseptual Terintegrasi yang Menghubungkan Sifat Mekanik dan Mekanisme Kegagalan pada Material Teknik Lalak Indiyono
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.58758

Abstract

Engineering materials failure remains a critical issue in structural and manufacturing applications, where unexpected fracture can lead to severe safety and economic consequences. Conventional approaches often address mechanical properties, stress analysis, and fracture behavior as separate topics, which may result in fragmented interpretations of failure mechanisms. However, material failure typically emerges from interactions between global mechanical response, stress localization, microstructural defects, and fracture initiation. This paper proposes an integrated conceptual framework that systematically links mechanical properties with failure mechanisms in engineering materials. The framework synthesizes key concepts from strength of materials and fracture mechanics to describe failure as a sequential and interconnected process, starting from applied loading and global stress–strain response, followed by stress concentration, defect activation, and crack initiation. By explicitly addressing the transition from macroscopic mechanical behavior to localized damage processes, the framework clarifies the role of defect sensitivity and stress localization in governing failure modes.
Co-Authors Dahrijoso Soejakti M Yusuf Arnol Manggi Dwi Cahyono Nyoman Gede Suryadharma