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All Journal Widyanuklida Sinergi Journal of Engineering and Technological Sciences Jurnal Teknik Sipil Journal of Integrated and Advanced Engineering (JIAE) Journal of Engineering and Technological Sciences
Endra Susila
Soil Mechanics Laboratory, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung Jl. Ganesa No. 10, Bandung 40132, Indonesia.
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Behaviors of Pipe-Soil Interaction on Unstable Slopes by Finite Element Simulation Endra Susila; Fico Agrensa
Jurnal Teknik Sipil Vol 25 No 2 (2018)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2018.25.2.1

Abstract

AbstractPipe-soil interaction plays an important role to the pipe stress analysis subjected to soil movement due to slope instability and/or slope failure.  As the soils / slopes begin to fail, a single pipe or a group of pipes buried inside failure zone will bear additional loads which frequently lead to overstress or buckling.  To study this phenomena, a case study was carried out by modelling a group of pipes subjected to ground movement in lateral direction. ABAQUS, a finite element software was employed to establish a 3 D numerical model of pipe-soil interaction during landslide event. Discussions of the results of this analysis are presented by focusing on the behaviors of displacement and stress of the pipes due to slope failure.  Based on the analysis results, the length of failure zone becomes the major cause of the location of maximum stress during slope failure, it should be assessed carefully.AbstrakPada analisis pipe-stress dengan beban dari pergerakan tanah yang diakibatkan oleh longsoran, perilaku interaksi antara pipa dan tanah berperan sangat penting. Ketika tanah/lereng mulai bergerak, sebuah pipa atau beberapa pipa yang dipasang di dalam bidang kelongsoran akan menerima beban tambahan yang seringnya menyebabkan buckling/overstress pada pipa. Untuk mempelajari fenomena ini, studi kasus dilakukan dengan memodelkan grup pipa yang dikenai pergerakan tanah secara lateral. ABAQUS, sebuah program berbasis finite element digunakan untuk memodelkan interaksi antara pipa dan tanah secara tiga dimensi selama longsor terjadi. Diskusi mengenai hasil dari analisis ini dilakukan dengan berfokus kepada perilaku displacement dan stress dari pipa akibat longsoran tanah. Berdasarkan hasil analisis, panjang dari bidang longsor menjadi issue utama dalam penentuan lokasi stress maksimum pipa, sehingga ke depannya perlu dilakukan pemeriksaan secara detail.  
Building a Prototype of an Eco-friendly House in the Peri-Urban Area Allis Nurdini; Endra Susila; Taufik Taufikurahman; Nur Fitra Hadianto; Maryam Al Lubbu; Asih Suryati
Journal of Integrated and Advanced Engineering (JIAE) Vol 1, No 1 (2021)
Publisher : Asosiasi Staf Akademik Perguruan Tinggi Seluruh Indonesia (ASASI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51662/jiae.v1i1.9

Abstract

The concept of sustainable housing has considered the urgency to support the sustainable environment in an integrative way. This concept is related to several main principles include environmental, social, and economic sustainability. In practice, these principles translated into the fundamental of housing choice, both process and product choices. In many peri-urban areas, current house construction tends to imitate city houses with massive concrete structures equipped with air conditioning that caused high energy consumption. The Center for Rural Empowerment team of ITB built a prototype of an eco-friendly house in Haurgombong village, Sumedang, West Java. The house has two floors building on a 7x5 m2 land site. The first floor was renovated from the existing toilet rooms and develop into a two-floor house. The second floor was built using the local wood material. The wood material has been obtaining from the trees of seven years old beechwood (Gmelina Arborea) planted in the garden. The envelope material for this house was constructed from local and common material in rural or peri-urban context, the lightweight fiberglass for the roof of common room, and the transparent fiber materials for the roof of second-floor terrace to make the plantation at this area can easily receive the sunlight. This house is also can be regarded as a prototype of an earthquake-resistant house. The lighting factor, temperature, and airflow settings are made naturally. Besides, this house has also equipped with a rainwater storage system and greywater treatment using a small, constructed wetland that allows the treated water used for watering gardens and fishponds. The budget spent to build this house was as low as possible so that the surrounding community can imitate the building for their house and disseminate eco-friendly housing.
Incorporating rainwater harvesting systems into the design of green infrastructure, alongside constructed wetlands and fishponds Taufikurahman, Taufik; Susila, Endra; Ginanjar, Tetep; Rizkyani, R. R. Deby Anindya
SINERGI Vol 28, No 3 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2024.3.020

Abstract

In rural areas grappling with recurring water scarcity during dry periods, the imperative for water conservation becomes evident. This research centers on Green Infrastructure (GI), showcasing its substantial potential for better water management practices, specifically in the realms of rainwater harvesting and greywater treatment. We implemented an integrated household-scale rainwater harvesting system (RWH) coupled with greywater processing using a constructed wetland (CW). The constructed wetland, filled with sands and gravels and adorned with Napier grass (Pennisetum purpureum), served as a filtration medium for both greywater and rainwater before channelling them into a fishpond. The project was conducted at the ITB research station in Haurngombong village, Pamulihan sub-district, Sumedang, West Java. The project exemplified an effective synergy between the RWH system and a constructed wetland for greywater treatment, benefiting both plant irrigation and fishpond utilization. The demonstrated approach holds significant potential added value for communities, serving as a reservoir for crop irrigation, supporting fish farming, and facilitating greywater treatment through an integrated aquaponic system.
Studi Komparasi Konstitutif Model untuk Kasus Galian Dalam dengan Metoda Elemen Hingga dan Data Monitoring Lapangan: Studi Kasus Proyek Muara Karang Jwantoro, Jwantoro; Susila, Endra; Apoji, Dayu; Basarah, Yuammar Immarazan
Jurnal Teknik Sipil Vol 32 No 1 (2025): Jurnal Teknik Sipil - Edisi April
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2025.32.1.8

Abstract

The construction of underground structures at the Muara Tawar Combined Cycle Power Plant, situated in a coastal area characterized by very soft clay soils, presents significant geotechnical challenges. Careful analysis and planning are crucial to prevent structural failure. This study evaluates the effectiveness of temporary retaining wall systems using sheet piles and strutting during the excavation of the Steam Turbine Generator (STG) Block #4 basement, which is adjacent to existing structures. Utilizing PLAXIS 2D, an advanced Finite Element Method (FEM) software for geotechnical analysis, we modeled and analyzed the soil-structure interaction to optimize the design and construction methodology. The study focused on determining appropriate support systems for deep excavation, ensuring the stability of both the new construction and existing facilities. Results demonstrate that the proposed sheet pile and strutting system effectively prevents soil collapse during construction. This is evidenced by satisfactory safety factors and acceptable deflection values derived from numerical analyses. This research was conducted by comparing three soil models: Mohr-Coulomb, Soft Soil, and Hardening Soil, to analyze their performance in predicting soil behavior for construction purposes.
Dynamics Responses of a Block Machine Foundation and a Pile Group Foundation Systems on Stratified Residual Soils in Indonesia by Lumped Mass and Finite Element Methods Susila, Endra; Ary, Wim Ramartsa; Sahadewa, Andhika; Putri, Karina Meilawati Eka; Zulkifli, Ediansjah; Sadono, Kresno Wikan
Journal of Engineering and Technological Sciences Vol. 56 No. 2 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.2.6

Abstract

This paper presents a comprehensive study of the dynamic responses of machine foundations, both block and pile foundations, on stratified residual soils in Duri and Ulubelu, Indonesia. The evaluation was conducted using two widely recognized methods: the lumped mass method (LMM) and the finite element method (FEM). LMM and FEM were performed by utilizing DYNA and ABAQUS, respectively. The analysis results showed that LMM generally predicted more conservative displacements compared to FEM. This conservatism in predicted displacement was more pronounced for pile group foundations, which are inherently more flexible than block foundations. Additionally, this study found that the resonance frequencies obtained through both analysis methods were not the same. Furthermore, this paper includes a parametric study and presents its results to assess the influence of key factors, i.e., pile cap thickness, pile diameter, number of piles, and vertical dynamic loads, on displacement.
Co-Authors Allis Nurdini Andhika Sahadewa Andhika Sahadewa, Andhika Andri Lesmana Ary, Wim Ramartsa Asih Suryati Bagiyono Bagiyono Basarah, Yuammar Immarazan Bigman Hutapea Bigman M. Hutapea Dayu Apoji Dayu Apoji, Dayu Edi Edi Fahmi Aldiamar Fico Agrensa Fico Agrensa Fico Agrensa Fico Agrensa Ginanjar, Tetep Jwantoro, Jwantoro Karina Meilawati Eka Putri Kresno Wikan Sadono Lesmana, Andri Makmur Rangkuti Maryam Al Lubbu Masyhur Irsyam Muhammad Yoke Syahputra Nita Anggraini Nita Anggraini, Nita Nur Fitra Hadianto Poltak Sinaga Poltak Sinaga, Poltak Putri, Karina Meilawati Eka Putri, Karina Meilawati Eka Ramli Nazir Rizkyani, R. R. Deby Anindya Sugito Sugito Suhermanto Siahaan Suhermanto Siahaan, Suhermanto Suparno Suparno Sutrasno Sutrasno Syahputra, Muhammad Yoke Taufik Taufikurahman Taufikurahman, Taufik Widodo Soemadi Zulkifli, Ediansjah