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All Journal Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) Jurnal Ilmu Teknik Sipil Indonesia (JITESNA)
Hia, Tafianus
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Religion Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Mechanical Engineering Transportation

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Pendekatan Statistika Dalam Analisis Keandalan Struktur Bangunan Gedung Terhadap Beban Gempa Hia, Tafianus
Jurnal Ilmu Teknik Sipil Indonesia Vol. 2 No. 1 (2026): JITESNA - Januari
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/jitesna.v2i1.1291

Abstract

Buildings located in seismic-prone areas require a high level of structural reliability to ensure safety and adequate performance throughout their service life. Conventional approaches to seismic structural design are generally deterministic and do not fully represent the uncertainties inherent in material properties, structural parameters, and seismic loads. This study aims to examine the application of a statistical approach in the reliability analysis of building structures subjected to earthquake loads. The research method involves modeling a reinforced concrete building structure in which material properties and seismic loads are treated as random variables. Structural reliability analysis is conducted using the First Order Reliability Method (FORM) and validated through Monte Carlo simulation. The results indicate that the statistical approach provides a more comprehensive evaluation of structural safety by quantifying reliability indices and probabilities of failure. Overall, the structure satisfies the minimum reliability criteria; however, several critical elements exhibit relatively lower reliability levels. These findings highlight the importance of integrating probabilistic approaches into the design and evaluation of earthquake-resistant building structures, particularly in regions with high seismic activity.
Analisis Kepuasan Masyarakat Terhadap Sistem Drainase Loi, Anggerius; Hia, Tafianus; Harefa, Andrew Christover; Daeli, Serta Denius
Jurnal Ilmu Ekonomi, Pendidikan dan Teknik Vol. 3 No. 2 (2026): IDENTIK - Maret
Publisher : CV. SINAR HOWUHOWU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70134/identik.v3i2.1362

Abstract

This study aims to analyze the level of community satisfaction with the drainage system in Gunungsitoli and to identify the factors influencing it. The research employs a quantitative approach with a descriptive method by distributing questionnaires to residents living in areas affected by the drainage system. Satisfaction measurement is conducted using a Likert scale based on five service quality dimensions: tangible, reliability, responsiveness, assurance, and empathy. The collected data are analyzed using descriptive statistics and the Community Satisfaction Index (CSI). The results indicate that the level of community satisfaction with the drainage system in Gunungsitoli falls into the moderately satisfied category. The assurance and tangible dimensions obtain relatively higher scores, while the reliability dimension is the lowest. The main problems identified include insufficient drainage capacity, poorly maintained drainage conditions, and blockages caused by waste. In addition, community participation is found to significantly influence the performance of the drainage system. The study concludes that improving community satisfaction with the drainage system requires an integrated approach combining technical improvements and increased public awareness. The local government needs to conduct routine maintenance, enhance drainage capacity, and promote community education on environmental cleanliness. This research is expected to serve as a reference for policy-making in more effective and sustainable urban drainage management.
Co-Authors Harefa, Andrew Christover Loi, Anggerius Serta Denius Daeli