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DAMAGE ANALYSIS AND DESIGN OF ADDITIONAL CROSS BEAM REINFORCEMENT USING FE METHOD = ANALISA KERUSAKAN DAN MERANCANG TAMBAHAN KONSTRUKSI PENGUAT UNTUK PENINGKATAN KEKUATAN BATANG LINTANG DENGAN TRIAL AND ERROR MENGGUNAKAN METODA ELEMEN HINGGA Sasmito, Agus; Soemardi, Tresna Priyana; Setyono, Harkali; Farid, Abdul Rohman
Jurnal Material Komponen dan Konstruksi Vol. 13 No. 1 (2013)
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (656.204 KB) | DOI: 10.29122/mkk.v13i1.1654

Abstract

The paper focuses on structural damage of cross beam arms  for brake rod in the car of  train. Analysis of cross beam was based on the design and actual conditions of the car application. Investigation the cross beam damage was done by finite element analysis. Based on the finite element analysis results, it is known  that damage mechanism  and design fault were caused by yield stress of cross beam that exceededthe material yield strength.Futher, a design improvement  of  cross beam was done by additional structure that can reduce the stress into  safe limits.AbstrakRiset ini fokus pada kerusakan struktur batang lintang yang berfungsi untuk dudukan lengan rem pada kereta makan pada rangkaian kereta api. Analisa kerusakan batang lintang didasarkan pada kondisi desain dan kondisi aktual pemakaianya. Investigasi kerusakan batang lintang dilakukan dengan analisa finite elemen. Berdasarkan pada hasil analisa diketahui faktor penyebab dan mekanisme kerusakan pada batang lintang adalah akibat kesalahan desain yang menyebabkan tegangan melampaui tegangan yield material, selanjutnya dibuat perbaikan desain untuk kereta yang telah diproduksi dengan membuat struktur penguat sehingga tegangan yang terjadi turun pada batas aman. Kata Kunci    : Analisa Kerusakan, Kereta Api, Finite Element, Cross Beam, Beban Eksentrik.  
Local Economic Development and Regional Autonomy: The Role of Local Government in Implementing the Coastal Community Development Movement Program (Gerbang Mapan) in The Coastal Areas of Tangerang Regency Farid, Abdul Rohman; Stiawati, Titi; Sobirin, Haris; Rinky, Maicy Vidini; Bachtiar, Tubagus Achmad; Heningtias, Nimas Diah
Indonesian Journal of Social Science Research Vol. 7 No. 1 (2026): Indonesian Journal of Social Science Research (IJSSR)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijssr.07.01.48

Abstract

Indonesia, as an archipelagic country, holds substantial coastal economic potential, yet this potential is often accompanied by disparities and the resource paradox that limit community welfare. This study examines conditions in the coastal areas of Tangerang Regency, which are characterized by low fisheries productivity, limited access to technology, markets, and infrastructure, as well as environmental issues such as mangrove degradation and coastal abrasion. The research aims to analyze the role of local government and evaluate the implementation of the Gerbang Mapan Program. This study applies a descriptive qualitative approach with policy analysis, using data from Statistics Indonesia (BPS), the Ministry of Marine Affairs and Fisheries (KKP), regional spatial planning documents (RTRW), and relevant literature. The findings show a significant gap between existing potential and actual conditions, with economic activities still dominated by low-productivity traditional enterprises. The implementation of the Gerbang Mapan Program indicates limited progress when assessed through George Edward III’s framework, particularly in terms of communication, resources, disposition, and bureaucratic structure. Despite these limitations, the program has produced several positive impacts, including increased community income, the development of small enterprises, mangrove rehabilitation, and greater community participation. In conclusion, strengthening integrated, adaptive, and sustainable policy governance is essential to bridge existing gaps. Efforts should focus on improving market access, enhancing institutional capacity, and increasing human resource competencies to support inclusive and sustainable coastal economic development.