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All Journal Jurnal Rekayasa Teknik Sipil dan Lingkungan Edutik : Jurnal Pendidikan Teknologi Informasi dan Komunikasi
Nicky W. Rampengan
Universitas Negeri Manado
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Transportation Other

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EVALUASI TEKNIS STRUKTUR RUMAH PANGGUNG TOMBASIAN MINAHASA TERHADAP BEBAN GEMPA SESUAI DENGAN STANDAR NASIONAL INDONESIA (SNI) 1726-2019 Amalia Nurhajayanti Tawary; Djoni Agustaf; Nicky Rampengan
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 6 No. 1 (2025): Jurnal Rekayasa Teknik Sipil dan Lingkungan, April 2025, ISSN 2722-0230 (Online
Publisher : UKI Press

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Abstract

The Tombasian stage house uses cempaka wood, and during an earthquake the Tombasian stage house will shift slightly without damage to its parts. The purpose of this study is to analyze how the behavior of the Tombasian stage house structure against earthquake loads, so that whether it can be said that the Tombasian stage house structure meets the requirements of strength and stability and meets the requirements in accordance with SNI 7973-2013. This research uses the ultimate value research method of structural analysis by analyzing the reaction of the structure to the working load and evaluating the strength of the structure. The analysis uses Structural Analysis Application software and Microsoft Excel.  Earthquake load analysis using the dynamic spectrum response method. Cempaka wood material with a specific gravity of 530 kg/m3 and a modulus of elasticity of 8894.63 Mpa. The results of the ultimate internal forces from the structural analysis application show that the ultimate pressure is smaller than the nominal pressure calculated using the LRFD method. Buckling occurs when the ultimate pressure acts. The ultimate bending moment and ultimate shear force are less than the nominal bending moment and nominal shear force. And the deflection also complies, because it is smaller than the allowable deflection. So it can be said that all structural elements are declared safe, meet the requirements of strength and stability.   Keywords: Stage house, structural evaluation, timber structure, earthquake force, spectrum response, LRFD  
Analisis Stabilitas Lereng dengan Perkuatan Bronjong Menggunakan Metode Bishop dan Software GeoSlope/W di Cluster 37 Pertamina Geothermal Energy Area Lahendong Veby Adinda Kapantow; Nova. A.R.A Mamarimbing; Nicky W. Rampengan
Edutik : Jurnal Pendidikan Teknologi Informasi dan Komunikasi Vol. 6 No. 4 (2026): EduTIK : Agustus 2026
Publisher : Jurusan PTIK Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.67142/edutik.v6i4.552

Abstract

ABSTRAK Kestabilan lereng merupakan aspek krusial dalam perencanaan infrastruktur untuk mengantisipasi risiko bencana tanah longsor. Penelitian ini bertujuan untuk menganalisis nilai faktor keamanan (FK) pada lereng dalam kondisi alami (tanpa perkuatan) serta mengevaluasi efektivitas pemasangan struktur perkuatan. Analisis kestabilan lereng dilakukan menggunakan dua pendekatan, yaitu perhitungan manual dengan Metode Bishop dan simulasi numerik berbasis perangkat lunak GeoSlope/W. Berdasarkan hasil analisis, kondisi lereng tanpa perkuatan menunjukkan nilai faktor keamanan yang kritis dan tidak aman, yaitu sebesar 1,054 (Metode Bishop) dan 1,059 (GeoSlope/W). Setelah diberikan struktur perkuatan, stabilitas lereng mengalami peningkatan yang signifikan dengan nilai faktor keamanan mencapai 1,707 pada Metode Bishop dan 1,706 pada GeoSlope/W. Hasil ini mengindikasikan bahwa desain perkuatan yang direncanakan telah memenuhi standar keamanan (> 1,5) dan efektif dalam menjaga kestabilan lereng. Selain itu, hasil analisis menunjukkan tingkat konsistensi dan akurasi yang sangat tinggi antara perhitungan manual Metode Bishop dan pemodelan digital menggunakan GeoSlope/W dengan selisih nilai yang sangat tipis.  ABSTRAK Slope stability is a crucial aspect of infrastructure planning for mitigating landslide risks. This study aims to analyze the Factor of Safety (FS) for a slope in its natural state (unreinforced) and to evaluate the effectiveness of installing reinforcement structures. Slope stability analysis was conducted using two approaches: manual calculation via the Bishop Method and numerical simulation using GeoSlope/W software. The analysis results indicate that the unreinforced slope exhibited critical and unsafe Factor of Safety values—specifically 1.054 (Bishop Method) and 1.059 (GeoSlope/W). Following the installation of reinforcement structures, slope stability improved significantly, with FS values ​​reaching 1.707 (Bishop Method) and 1.706 (GeoSlope/W). These results demonstrate that the proposed reinforcement design meets safety standards (> 1.5) and effectively ensures slope stability. Furthermore, the analysis reveals a high level of consistency and accuracy between the manual Bishop Method calculations and the digital modeling using GeoSlope/W, with only a negligible difference in values.
Co-Authors Amalia Nurhajayanti Tawary Djoni Agustaf Nova A. R. A. Mamarimbing Veby Adinda Kapantow