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All Journal Jurnal Spektran Teknik Sipil dan Arsitektur Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) U Karst Astonjadro Jurnal Teknik Sipil dan Arsitektur Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Jurnal Teknik Gradien Bulletin of Civil Engineering Jurnal Sutramas Jurnal Abdi Daya Journal of Infrastructure Planning and Engineering Jurnal Pengabdian Masyarakat Bhinneka
Triswandana, Erick
Universitas Warmadewa, Indonesia
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Public Health Transportation

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ANALISIS PERBANDINGAN BIAYA DAN WAKTU PELAKSANAAN BETON HALF SLAB DENGAN BETON KONVENSIONAL PADA PROYEK REVITALISASI MUSEUM MANDALA MATHIKA SUBAK Landuh, Ni Putu Desi Sukamdani; Triswandana, I Wayan Gde Erick; Eryani, I Gusti Agung Putu
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 13 No 2 (2025): Jurnal Ilmiah MITSU
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v13i2.3532

Abstract

The construction implementation system in the Mandala Mathika Subak Museum Revitalization project uses the cast in situ or conventional method including floor slab work. The implementation of floor slab work with the cast in situ method requires a long processing time and a lot of labor and costs incurred. In the construction of the building, the selection of work methods is very influential on the implementation time and cost. The selection of the right method will make the development efficient. One of them is the use of precast concrete such as half slab. In this study will compare conventional methods and half slab methods from the aspects of implementation time and cost, which is more profitable. The results of the comparative analysis of execution time and costs from the calculation of cast-in-situ and half-slab plates in the Revitalization Project of the Mandala Mathika Subak Museum show that using the half-slab method saves 33% in costs compared to the cast-in-situ method, with a cost difference of Rp. 552,730,037, and can accelerate the execution time of 43% or 19 days.
Perencanaan Struktur Gedung Kantor (DPMPTSP, Disnaker, Diskes dan Capil) Kabupaten Gianyar dengan Menggunakan Flat Slab Mulia, Hendy Ardhito; Triswandana, I Wayan Gde Erick; Aryastana, Putu; Sarassantika, I Putu Ellsa
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17372

Abstract

In the construction, it must be able to be used according to its function so that it can be used for a long time. The concept of construction that has sufficient strength and allows for large spaces without affecting aesthetics has emerged in recent decades. A flat slab is one of the advances in the construction system of a two-way concrete plate that distributes the working load directly to the column element without using a beam. The use of drop panels can increase the strength of the plate by resisting the sliding style of the pons and reducing the negative moment reaction that occurs on the plate and column. In the analysis, the results used a flat slab with a thickness of 200 mm, with bones in the x and y directions at the focus of As D16-100 mm and As’ D16-200 mm, whereas in the columns of column directions x and y, the field part is mounted with As D13-100 mm and As‘ D13-200 mm. In the middle column of directions X and Y, use the bones of As D13-100 mm and As‘ D13200 mm. Used a drop panel of 300 mm. For the lift area, an L type column with dimensions of 450 mm x 450 mm is used. The bars used are TB1, TB2, B1, and RB, and the columns used are 500 mm x 500 mm and 400 mm x 400 mm. The planned foundation uses a cylinder-shaped pillar with a depth of up to 8 meters.
Perbandingan Mutu Beton terhadap Gaya Geser dan Simpangan pada Bangunan Rutan Kejati Ahadina, Anak Agung Ananda Surya Ayugde; Sarassantika, I Putu Ellsa; Triswandana, I Wayan Gde Erick; Aryastana, Putu
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17387

Abstract

This study examines the planning of high-rise building structures in Indonesia, focusing on the application of Special Moment Resisting Frame (SMRF) systems under seismic conditions. Situated within the Pacific Ring of Fire, Indonesia frequently experiences significant earthquakes due to the convergence of three continental plates. Previous research indicates that the design of high-rise buildings necessitates careful attention to dimensions and reinforcement to ensure structural strength and stability. The SMRF planning method, which applies the principle of strong column weak beam, has been analyzed across various case studies, including designs for office buildings, hotels, laboratories, and educational facilities.Furthermore, this study compares the structural performance using different concrete strengths, specifically 41.5 Mpa and 24.9 Mpa, in the construction of prison walling at the Kejati Detention Center. Through quantitative analysis and structural modeling using ETABS V.20 software, this research identifies differences in base shear and inter-story drift between the two concrete strengths. The findings provide insights into the effectiveness of higher-grade concrete usage and its potential impacts on the strength and structural quality of buildings. The implications of this research can guide practitioners in selecting the appropriate construction materials to enhance performance and cost-efficiency in high-rise building projects in Indonesia.
PEMETAAN AREA PERSAWAHAN DENGAN PENDEKATAN GIS UNTUK MENDUKUNG PENGEMBANGAN EKOWISATA DI DESA ADAT SIBETAN, KARANGASEM BALI Putu Aryastana; I Wayan Gde Erick Triswandana; Made Mas Surya Wiguna; Putu Angga Bagus Setyawan; Tegar Wibawa
Jurnal Abdi Daya Vol. 4 No. 2 (2024): Jurnal Abdi Daya Vol.4 No.2 Tahun 2024
Publisher : Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jad.4.2.2024.33-41

Abstract

The community service project in Subak Gantalan aimed to identify land use conditions and update the existing irrigation network scheme to support the development of eco-tourism based on natural beauty and education on Bali's traditional irrigation system. Based on the results of the inventory survey and digitization, it was found that land use in Subak Gantalan consists of 9.38% for buildings, 86.96% for rice fields and farming activities, and 3.66% for vegetation or gardens. The irrigation network scheme update aimed to assist farmers in efficiently managing water distribution, ensuring optimal water availability for crops, and supporting the sustainability of the agricultural system. The analysis of the mapping results and the updated irrigation network scheme revealed significant potential for eco-tourism development in this area. Several strategies have been identified to realize this potential, including strengthening supporting infrastructure such as constructing tourist paths and providing educational information for visitors. Additionally, involving the local community in managing tourism activities is a key factor in ensuring the sustainability of eco-tourism and ensuring that the local community feels economic benefits. With the right strategies, the development of eco-tourism in Subak Gantalan will not only support cultural and environmental preservation but also create new sustainable income sources for the local population. The results of this community service project demonstrate that Subak Gantalan has great potential to be developed as a sustainable, community-based eco-tourism destination.
Perkiraan Biaya dan Waktu Pelaksanaan Penataan Bangunan Utama Beji Telaga Tista Erick Triswandana; Ratih Prabandari Nyoman; Surya Nanta Indra I Gde; Nanda Arinata I Gede
Jurnal Abdi Daya Vol. 5 No. 1 (2025): Jurnal Abdi Daya Vol.5 No.1 Tahun 2025
Publisher : Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jad.5.1.2025.19-26

Abstract

Pura Telaga Tista di Desa Adat Sibetan, Karangasem, Bali, merupakan situs suci yang memiliki nilai spiritual dan budaya tinggi bagi masyarakat Hindu Bali. Beji Telaga Tista, sebagai area pemandian tradisional yang berada di timur pura, memiliki potensi besar sebagai destinasi wisata rohani dan budaya. Namun, kondisi fisik yang kurang tertata dan minimnya fasilitas pendukung menyebabkan penurunan fungsi dan kenyamanan bagi pengunjung. Studi ini bertujuan untuk merumuskan desain penataan bangunan utama Beji Telaga Tista melalui pendekatan konservasi berbasis kearifan lokal, serta menyusun dokumen teknis berupa RAB, time schedule, dan metode pelaksanaan. Kegiatan diawali dengan site visit, survei eksisting menggunakan teknologi total station, RTK, dan drone, serta analisis SWOT untuk menentukan strategi pelaksanaan berbasis swadaya masyarakat. Desain penataan mencakup pemisahan gender di area pemandian, pengaturan koridor dan mobilitas pengunjung, serta optimalisasi pencahayaan dan estetika bangunan. Work Breakdown Structure dibagi ke dalam delapan area kerja dengan durasi total 69 hari kerja, menggunakan kombinasi tenaga kerja terampil dan tidak terampil, dengan penjadwalan berbasis metode Precedence Diagram Method (PDM) untuk efisiensi waktu dan sumberdaya. Analisis biaya menunjukkan total anggaran sebesar Rp 214.867.715,00, dengan alokasi terbesar pada penataan koridor pemandian (24,03%) karena kondisi eksisting yang tidak layak. Penataan ini diharapkan dapat meningkatkan kenyamanan, privasi, dan nilai spiritual kawasan Beji Telaga Tista. Disarankan agar pelaksanaan pekerjaan melibatkan tenaga lokal dan memperhatikan batasan area suci sesuai awig-awig setempat, guna menjaga keberlanjutan dan integritas budaya dalam proses revitalisasi kawasan.
Deflection of flat slab-drop panel in the G2 building at Warmadewa University I Made Nova Hartawan; Maulana Nyoman Parthin Indra; I Nengah Sinarta I Nengah Sinarta; Triswandana I Wayan Gde Erick; Sarassantika I Putu Ellsa
Journal of Infrastructure Planning and Engineering Vol. 2 No. 2 (2023)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.2.2.2023.27-32

Abstract

To conserve building height, flat slabs are concrete structures that do not employ beams as weight transfer to columns. The flat slab system structure is prone to shear collapse due to the lack of beams. A column head is made to forward the load from the plate to the column so that the shear value in the building is not too high. This is done by expansion at the end of the column or by thickening around the critical circumference of the column and plate meeting. The Warmadewa University G2 Building Planning Analysis is carried out during the planning stage, using a flat slab-drop panel structural system as one of the optional structural systems that can be used to obtain a building height that is in accordance with Bali Provincial Regulation Number 16 of 2009 concerning the regional spatial plan of the Province of Bali. Terompong street No. 24, Sumerta Kelod, East Denpasar sub-district, Denpasar City, Bali, is where the Warmadewa University G2 building will be built. According to the soil data, the building is constructed on a medium soil site class with a building structure risk level IV. The Warmadewa University G2 Building structure was studied using etabs v.18 software in accordance with SNI 2847-2019 requirements for structural concrete for building buildings and loading in accordance with SNI 1727-2020 criteria. The biggest deflection value occurs in the middle lane due to the load from the function room, as determined by the study for the dimensions of the 350mm thick drop panel and 250mm thick slab utilizing a column size of 600 x 600 mm with a span of 8000mm. The inner drop panel experiences the highest lateral loads due to shear failure.
Analysis of penel drop-off on shear slip at flat slab in the animal hospital education building of the Faculty of Veterinary Medicine (RSHP-FKH), Udayana University Tejadinata I Gusti Ngurah Agung Eka Arya; Maulana Nyoman Parthin Indra; Sinarta I Nengah; Triswandana I Wayan Gde Erick; Sarassantika Putu Ellsa
Journal of Infrastructure Planning and Engineering Vol. 2 No. 2 (2023)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.2.2.2023.23-26

Abstract

The Animal Hospital Education of the Faculty of Veterinary Medicine (RSHP-FKH) at Udayana University is located on Sesetan Main Road, Markisa Alley, No. 6, South Denpasar District, Denpasar, Bali. The building structure is planned with a modified flat slab design incorporating drop panels around the column areas. The purpose of this modification is to provide flexibility in spatial arrangement, facilitate the installation of mechanical and electrical systems, and indirectly meet the height requirements specified by the local regulations in Bali. The structural analysis of the Animal Hospital Education building at RSHP-FKH, Udayana University was conducted using the ETABS v.18 software, following the guidelines of the Indonesian National Standard (SNI). The analysis focused on the effect of drop panels on shear slip in the flat slab. The analysis aimed to determine the magnitude of deflection and its corresponding locations in the structure. The results of the analysis provide relevant information regarding the strength and stability of the building structure, ensuring that the RSHP-FKH building at Udayana University meets the established standards.
TANJUNG PURA INTERCHANGE BRIDGE PILLAR ANALYSIS BASED ON SP COLOMN VALUE Gede Suartana; I Nengah Sinarta; I Wayan Gde Erick Triswandana
Journal of Infrastructure Planning and Engineering Vol. 3 No. 1 (2024)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.3.1.2024.30-34

Abstract

The Tanjung Pura interchange overpass bridge, a critical connector road on the Trans Sumatra Toll Road, currently utilizes wall-type pillars that have limitations in seismic performance and construction efficiency. This study aims to redesign the bridge pillars from a wall-type to a portal-type configuration to improve structural safety and optimize the design. The redesign process involves several key steps, including data collection through literature review and documentation from project stakeholders, structural modeling using SAP2000 v.20 software incorporating the redesigned portal-type pillars with optimized dimensions and reinforcement arrangements, load analysis considering various load combinations based on Indonesian bridge design codes and standards, and capacity evaluation using SP Column v.7 software to assess the structural adequacy and safety of the redesigned pillars. The portal-type pillars, with dimensions of 1500 mm × 2500 mm and 50D32 main reinforcement, along with additional leg reinforcement in the plastic hinge regions, demonstrated improved seismic performance and constructability compared to the original wall-type design, with a maximum capacity ratio of 0.20 indicating sufficient reserve capacity and safety margin. The successful redesign of the Tanjung Pura interchange overpass bridge pillars highlights the potential for optimizing bridge structures to enhance safety, efficiency, and economy, serving as a valuable reference for future bridge rehabilitation and redesign projects.
PERFORMANCE ANALYSIS OF THE WARMADEWA EDUCATIONAL HOSPITAL BUILDING CONSTRUCTION PROJECT Ni Made Jero Suarmini; I Wayan Gde Erick Triswandana; Kadek Windy Candrayana
Journal of Infrastructure Planning and Engineering Vol. 3 No. 2 (2024)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.3.2.2024.63-68

Abstract

In a project, effective management is crucial for organizing workflow and control to achieve the project's objectives. Project management involves continuous monitoring and evaluation of project performance to ensure that all parts of the project are on track. The aim of this study is to analyze the performance of the Warmadewa Educational Hospital Building Construction Project in terms of cost and time using the Earned Value method. The data used consists of primary data obtained from field observations and interviews, as well as secondary data from weekly reports, the Budget Plan (RAB), and the project schedule. The analysis shows that the project experienced delays from the first week up to the evaluation week. The Schedule Variance (SV) and Schedule Performance Index (SPI) analysis indicates that the project is progressing slower than planned. From the Estimate To Complete (ETC) and Estimate At Completion (EAC) analyses, the project is estimated to require an additional 719 days to complete. This represents a delay of 92 days from the initial planned duration of 627 days. The Cost Variance (CV) and Cost Performance Index (CPI) analysis indicate that the project costs are within the budget.
Value Engineering Implementation in an Integrated Arts Laboratory Project Triswandana, I Wayan Gde Erick; Agus Arya Pramana Maharat , Fortunata
Bulletin of Civil Engineering Vol. 6 No. 1 (2026): Februari
Publisher : Civil Engineering Department, Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Infrastructure development projects often face design changes that affect specifications, volumes, and resource allocation, thereby requiring adjustments to cost estimates. Conventional cost-cutting practices frequently compromise quality, underscoring the need for systematic approaches such as Value Engineering (VE). This study applies VE in conjunction with the Pareto Distribution Principle to optimize cost efficiency and functional performance in the construction of an integrated arts laboratory building. A descriptive quantitative method was employed, encompassing the phases of information gathering, functional analysis using the Function Analysis System Technique (FAST), creative brainstorming, evaluation, and presentation. Pareto analysis revealed that 78.99% of project costs were concentrated in architectural, structural, and roofing works, which became the focus of VE. Functional analysis identified opportunities to substitute lower-order functions, particularly in formwork, door and window installations, and ceiling work. Comparative evaluation of alternative designs demonstrated significant improvements: composite slabs enhanced installation efficiency despite slightly higher initial costs; aluminium frames for doors and windows reduced life cycle costs by 30.8 million IDR while improving durability; and PVC ceilings achieved savings of 148.9 million IDR with superior performance indicators. Overall, VE implementation yielded cost savings, reduced material waste, and improved technological innovation without compromising quality. The integration of VE and Pareto analysis thus provides a comprehensive framework for achieving optimal value in construction projects, balancing cost efficiency, functionality, and sustainability.
Co-Authors Aditya, I Komang Krisna Agus Arya Pramana Maharat , Fortunata Ahadina, Anak Agung Ananda Surya Ayugde Ayu Agustini, Ni Komang Esy Armada Putri Gede Suartana Gede Suartana I Gusti Agung Putu Eryani I Made Nova Hartawan I Nengah Sinarta I Nengah Sinarta I Nengah Sinarta I Nyoman Setiawan Jody I Putu Ellsa Sarassantika Landuh, Ni Putu Desi Sukamdani Made Mas Surya Wiguna Maulana Nyoman Parthin Indra Mulia, Hendy Ardhito N. Martha Jaya Nanda Arinata I Gede Ni Komang Armaeni Ni Komang Sintyawati Ni Made Jero Suarmini Nyoman Ratih Prabandari Putu Angga Bagus Setyawan Putu Aryastana Ratih Prabandari Nyoman Sanjaya, I Putu Ari Sarassantika I Putu Ellsa Sarassantika Putu Ellsa Sinarta I Nengah Suranata, I Putu Gede Surya Nanta Indra I Gde Tegar Wibawa Tejadinata I Gusti Ngurah Agung Eka Arya Windy Candrayana, Kadek Yana, Anak Agung Gde Agung