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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik ITS IPTEK The Journal of Engineering IPTEK Journal of Proceedings Series Jurnal IPTEK Journal of Civil Engineering Civil Engineering Dimension Civil Engineering Journal Jurnal Aplikasi Teknik Sipil Jurnal Rekayasa Sipil Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia TAPAK (Teknologi Aplikasi Konstruksi) : Jurnal Program Studi Teknik Sipil Didaktik : Jurnal Ilmiah PGSD STKIP Subang Construction and Material Journal Journal La Multiapp Rekayasa: Jurnal Teknik Sipil Jurnal Teknologi dan Manajemen Jurnal Teknik Sipil Jurnal Profesi Insinyur Universitas Lampung JURNAL POLI-TEKNOLOGI Inisiatif: Jurnal Ekonomi, Akuntansi Dan Manajemen Jurnal Penelitian Rumpun Ilmu Teknik Jurnal Teknik Sipil Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Advance Sustainable Science, Engineering and Technology (ASSET)
Budi Suswanto
Institut Teknologi Sepuluh Nopember
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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An Experimental Study on Axial Stress-Strain Behaviour of FRP-Confined Square Lightweight Aggregate Concrete Columns Butje Alfonsius Louk Fanggi; Budi Suswanto; Yuyun Tajunnisa; Jusuf Wilson Meynerd Rafael; Jonatan Lassa; Ahmad Basshofi Habieb
Advance Sustainable Science Engineering and Technology Vol. 7 No. 1 (2025): November-January
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i1.865

Abstract

This article presents the results of a research project that aimed to evaluate how the number of fiber-reinforced polymer (FRP) layers and the compressive strength of concrete affect the stress-strain behaviors of concrete columns produced from artificial lightweight aggregate with square cross-sectional shapes. Eighteen test specimens were manufactured and wrapped with glass fiber-reinforced polymer (GFRP) material. The specimens were later subjected to concentric compression for experimental evaluation. The experimental results suggest that GFRP efficiently confines square lightweight aggregate concrete columns. Furthermore, the test results indicate that adding FRP layers augments the ultimate stress and strain. Finally, the results suggest that an increase in the compressive strength of concrete leads to a corresponding increase in the ultimate stress. On the other hand, it has been observed that the ultimate strain decreases as compressive strength increases. The research findings reveal the behaviour of FRP-confined square lightweight aggregate concrete columns, which may also be utilized to formulate a new design-oriented model for these columns.
Effect of the Increase in Vertical Web Member Stiffness on Lateral Buckling Strength of the Pony Steel Bridge Sugihardjo, Hidajat; Rosyidi, Moh Fadhlan; Suswanto, Budi
Journal of Civil Engineering Vol 40, No 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.22608

Abstract

In half-through bridge or pony steel bridge, that is a bridge without upper wind bracing, strength of the bridge is determined mainly by the lateral buckling strength of its upper chord. Buckling strength of this chord is provided by the flexural stiffness of vertical web member, cross beam, and diagonal beam. In order to improve the stiffness of vertical web member, triangular steel profile that was quite high was added to the inner side of bridge for reducing the clearance width in bridge and disturbing traffic or pedestrian. In this research, stiffness of the vertical web member was improved by using the non-prismatic cross section and adding the triangular stiffener as high as the concrete deck.  Finite Element Analysis for the lateral stiffness of bridge cross section used a 3D element model which has been validated by previous study. This numerical study was conducted to validate the Engesser theory for determining the lateral elastic stiffness from upper chord. Study shows the result that accuracy of 3D element model is extremely high, compared with analytic method. Lateral elastic stiffness of bridge in general increased along with the stiffness of vertical web member. However, it can be concluded that effect on the capability of lateral buckling in upper chord was not too significant, as a consequence of the increase in stiffness of vertical web member. Critical lateral buckling occurred in an inelastic range, in which the critical inelastic buckling stress was determined using small tangent modulus as alternative of modulus of elasticity.
Performance Analysis of Eccentrically Braced Frames (EBF) using Metallic Yielding Damper (MYD) with Hysteretic Steel Damper (HSD) Type Budi Suswanto; Fikri Ghifari; Triwulan Triwulan; Hidajat Sugihardjo; Pramesta Armanisag Pangestuti
Civil Engineering Dimension Vol. 27 No. 1 (2025): MARCH 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.1.1-11

Abstract

Eccentrically Braced Frames (EBFs) are earthquake-resistant steel structures with excellent shear capacity and ductility. During earthquakes, the EBF link yields first, protecting other structural elements. Traditionally, the link is integrated with the main beam and separated by bracing. However, if the link is damaged, replacing the entire beam becomes necessary. To address this, a vertical link design allows for link replacement without altering the beam section. This study evaluates two vertical link options: a Wide Flange (WF) link section and a Hysteretic Steel Damper (HSD) type Metallic Yielding Damper. Results suggest the WF link is preferable due to superior shear capacity and energy dissipation compared to the HSD link. The findings recommend the WF link for vertical link EBFs to optimize earthquake performance.
A Comprehensive Research Review Regarding the Material Behavior of Concrete Filled Double Skin Tubes Cintantya Budi Casita; Data Iranata; Budi Suswanto; Masahide Matsumura
Jurnal Teknologi dan Manajemen Vol 5, No 1 (2024): January
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat ITATS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jtm.2024.v5i1.5213

Abstract

This study provides a detailed investigation of the material behavior of concrete-filled double-skin tubes (CFDST). The research primarily focuses on the development and examination of cross-sectional variations, stress-strain relationships in the materials, and their corresponding characteristics. By conducting a comprehensive study and evaluation, this research endeavors to provide a more profound comprehension of the impact of this particular behavior on the overall responsiveness and capacity of materials. The influence of various parameters on a variety of cross-sectional configurations, comprising circular outer and circular inner tubes (C-C), circular outer – square inner tubes (C-S), square outer – circular inner tubes (S-C), square outer – square inner tubes (S-S) have been recently examined in earlier research. Furthermore, this study discusses additional evaluations consisting of sandwiched concrete and the inner and outer steel components. Despite the substantial study conducted by CFDST, there is presently a lack of established guidelines or regulations pertaining to the design of composite structures. Consequently, it is imperative to acquire a comprehensive comprehension of the behavior exhibited by these materials. This understanding serves as essential for the development of design rules specific to CFDST composite structures. By performing consequently, the outcomes of this study can be effectively employed in the design, analysis, and optimization of the distinctive attributes associated with composite materials.
INTERACTIVE EFFECTS OF SPAN LENGTH AND RAFTER ANGLE ON THE DUCTILITY AND STABILITY OF STEEL WAREHOUSE STRUCTURES Darmawan, Kevin Candra; Suswanto, Budi; Amalia, Aniendhita Rizki
Journal of Civil Engineering Vol 40, No 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i2.22152

Abstract

The warehouse frame is a specialized steel structure requiring more complexcalculations than standard portal frames. This study investigates the impact ofrafter angle and span length on ductility and stability. Results indicate thatincreasing span length enhances ductility but reduces stability due to higher storydrift. For example, M1 (10-meter span) shows a ductility of 4.62 and story drift of13.64 mm, while M3 (20-meter span) achieves 5.07 (+9.62%) with a drift of 46.77mm. A larger rafter angle slightly increases ductility but decreases stability. M1 (10°angle) records 4.62 ductility and 13.64 mm drift, whereas M7 (20° angle) reaches4.71 (+1.79%) with 16.92 mm drift. Higher structure stiffness reduces ductility butboosts stability. M3 (128.29 kN/m stiffness) shows 5.07 ductility and 46.77 mmdrift, while M12 (192.67 kN/m) records 4.96 (-2.17%) with 29.68 mm drift. DespiteM12's minor ductility reduction, M3 demonstrates better elastic-plastic behavior.These findings reveal a clear polarity between ductility and stability
Kajian Profesionalisme dan Kode Etik Insinyur dalam Kualitas Pekerjaan Proyek Pembangunan Gedung X Merisa Ayu Pramesti; Ridho Bayu Aji; Nufrizal Faried Hanafi; M. Sigit Darmawan; Budi Suswanto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.981

Abstract

This study examines the application of engineering professionalism and ethical conduct in the construction of Building X, focusing on the quality of both substructure and superstructure works. The research was conducted through field observation, interviews with project stakeholders, and literature review, analyzed using a qualitative descriptive approach. Several issues were identified on site, including bore pile misalignment, waterlogging due to excess soil accumulation, poor concrete quality (honeycomb), and work delays caused by reinforcement order errors and subcontractor replacement. The assessment of professionalism and ethics refers to the 2021 Indonesian Code of Ethics for Engineers. The findings indicate that several aspects of professionalism, such as supervisory decisiveness, technical responsibility, and proactive communication, were applied appropriately. However, deviations were also observed, particularly in planning, quality control, and safety implementation. The study recommends improved coordination between supervisors and contractors, technical training for workers, and stronger enforcement of ethical compliance to enhance the overall quality of construction outcomes.
Analisis Keterlambatan dalam Pelaksanaan Proyek Konstruksi Rumah Hunian Dempsey Hill, Citraland Utara, Kota Surabaya Yafie Abdillah Akbar; Ridho Bayu Aji; Gentur Prihartono; Muhammad Sigit Darmawan; Budi Suswanto
Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Vol. 3 No. 3 (2025): Juli: Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipi
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/konstruksi.v3i3.983

Abstract

This journal examines the factors that have the potential to cause delays in the implementation of the Dempsey Hill residential housing construction project, North Citraland, Surabaya. Projects managed by CV. Tirta Kusuma has a target of completion in 10 months, but there are indications of delays that affect the schedule and costs. This study aims to identify and analyze the dominant factors causing delays, such as project management, material procurement, and human resources. The methods used include observation, questionnaire distribution, and literature study. The results of this analysis are expected to provide recommendations to improve time management, resource efficiency, and control of future construction projects. The results of data analysis in this study indicate that project delays are primarily caused by material delays and errors in work execution, as concluded based on the results of factor analysis.
Effect of Axial Load on the Seismic Performance of Steel Reinforced Concrete Beam-Column Joint Iranata, Data; Suswanto, Budi; Amalia, Aniendhita Rizki; Tajunnisa, Yuyun; Septiarsilia, Yanisfa
Civil Engineering Journal Vol. 11 No. 6 (2025): June
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-06-016

Abstract

Steel-reinforced concrete (SRC) provides numerous advantages, such as enhanced energy dissipation, ductility, stiffness, and strength, particularly in seismic performance. Several studies on the effect of axial loads on columns found that axial loads have an insignificant influence on column capacity, though they influence long-term performance. Beam-column joint elements are among the critical components that determine the seismic behavior of a structure. Inaccurate design of these joints can lead to fatal structural damage, potentially causing structural collapse. This study aimed to perform a numerical analysis of various joint configurations under cyclic and axial loads to identify models with the best seismic performance that consisted of four models using different SRC length parameters. The research used nonlinear finite element methods with the ABAQUS software, which enables detailed simulations of joint behavior, including predictions of failure mechanisms that are difficult to observe in experimental testing. The results of the analysis showed that the CS-02 model demonstrated the best seismic performance. Axial load increased the capacity in all models, improved energy dissipation in the RC model, slightly reduced dissipation in CS models, and caused different rotational behavior across models.
Analysis of Time and Cost Planning and Control for Waterproofing Work in Project X Multi-Story Data Center Jakarta Ardiansyah, Giri Teguh; Bayuaji, Ridho; Asmi, Ade; Darmawan, Muhammad Sigit; Suswanto, Budi Suswanto
Journal La Multiapp Vol. 6 No. 4 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i4.2179

Abstract

Waterproofing plays a crucial role in maintaining a building's integrity. However, subcontractor skill limitations and project constraints such as design changes, site readiness, and resource shortages often cause delays. This study analyses the planning and time control of waterproofing work in the Building X High-Rise Data Center project, covering eight work items. Using the Precedence Diagram Method (PDM), the work schedule indicates an effective duration of 34 weeks. The analysis methods used include Critical Path Method (CPM), Earned Value Analysis (EVA), Program Evaluation Review Technique (PERT), and crashing for project duration optimization. By the 30th week, the calculation results showed a Schedule Performance Index (SPI) of 0.96 and a Schedule Variance (SV) of -Rp120,057,209.0, indicating project schedule delays. In terms of cost, the Cost Performance Index (CPI) was 0.99, and the Cost Variance (CV) was -Rp26,459,888.0, showing cost overruns, though still within a relatively controlled limit. The probability of project completion reached 90% by the 30th week. Optimization through acceleration methods proved effective in reducing project duration with controlled additional costs. Therefore, better mitigation strategies are needed to minimize time and cost deviations in similar future projects.
Perilaku tegangan-regangan beton yang terbuat dari agregat ringan buatan yang diperkuat dengan carbon fiber reinforced polymer Louk Fanggi, Butje Alfonsius; Suswanto, Budi; Tajunnisa, Yuyun; Basshofi Habieb, Ahmad; Meynerd Rafael, Jusuf Wilson; Habibillah Asyari, Yudhistira; Rijiyawanto, Adetya; Syifaul Ummah, Galih
JURNAL TEKNIK SIPIL Vol 12, No 2 (2023): Volume 12 Nomor 2 November 2023
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jts.v12i2.35175

Abstract

This paper describes the findings of a research study aimed at evaluating the impact of various parameters on the stress-strain behavior of concrete composed of artificial lightweight aggregates with rectangular cross-sections. The factors that were evaluated include the number of fiber-reinforced polymer (FRP) layers, the compressive strength of the concrete, and the cross-sectional shape of the concrete. A total of twenty-two test specimens were fabricated, wrapped with Fiber Reinforced Polymer (FRP), and subjected to concentric compressive loading for experimental evaluation. The experimental findings indicate that Fiber Reinforced Polymer (FRP) demonstrates an excellent wrapping technique for lightweight concrete composed of lightweight aggregate. In addition to this, the test findings indicate a positive correlation between the number of fiber-reinforced polymer (FRP) layers employed and the resultant ultimate stress and strain shown by concrete composed of artificial lightweight aggregate. The test results additionally demonstrate a clear relationship between the rise in ultimate stress and the compressive strength of concrete, while showing an inverse relationship with the ultimate strain observed. Similarly, the test results indicate that the utilization of Fiber Reinforced Polymer (FRP) wrapping has more efficacy when applied to round cross-sectional shapes as opposed to rectangular cross-sectional shapes.
Co-Authors Ade Asmi Agustina D. Atmaji Agustina Dwi Atmaji Al Anshori, Moh. Irfan Al Rasyid, Harun Ananda Fersanti, Syarifah Nur’ain Aniendhita R. Amalia Aniendhita Rizki Amalia Aniendhita Rizki Amalia Annasia Faza Nadiva Apriansyah Apriansyah Ardiansyah, Giri Teguh Arif Rijal Arina Desye Hariyanti Arrahmatur Rizqi Aulia Indira Kumalasari Axel Ricardo Santoso Bambang Piscesa Basshofi Habieb Bryant Rizwantuana Butje Alfonsius Louk Fanggi Cahyono, Achmad Rudy Chiu, Chien-Kuo Cintantya Budi Casita Darmawan, Kevin Candra Darmawan, Muhammad Sigit Data Iranata Dinar, Bala Arizalu Putra Diputra, Aditya Tamateja Dita Kamarul Fitriyah Dita Kamarul Fitriyah Dzul Fikri Muhammad Endah Wahyuni Endah Wahyuni Endah Wahyuni Fikri Ghifari Fikri Ghifari Fikri Ghifari Gentur Prihantono Gentur Prihartono Ghifari, Fikri Habibillah Asyari, Yudhistira Habieb, Ahmad Basshofi Harun Al-Harun Haykal Wildan Tamimi El Jauhari Heppy Kristijanto Hernadi, Ahmad Hidajat Sugihardjo Hidajat Sugihardjo Hidajat Sugihardjo Hidajat Sugihardjo Hidajat Sugihardjo Hidayat Soegihardjo Husin, Nur Ahmad I Gusti Putu Raka Ida Ayu Putu Eka Chandra Saraswati Ifarrel Rachmanda Hariyanto Indarto, Richo Oktavian Indra Komara, Indra Irawan, Djoko Jonatan Lassa Jusuf Wilson Meynerd Rafael Jusuf Wilson Meynerd Rafael Kevin C. Darmawan Khala, Christianto Credidi Septino Kumalasari, Aulia Indira Louk Fanggi, Butje Alfonsius M. Sigit Darmawan Masahide Matsumura Masiran, Hidajat Sugihardjo Merisa Ayu Pramesti Meynerd Rafael, Jusuf Wilson Moh F. Rosyidi Moh. Fadhlan Rosyidi Moneta, Rendy - Muhammad Sigit Darmawan Muhammad Syamsu Bachri Muhammad Wahyu Firdani Muhammad Zulfikar Fauzi Murti, Gandhi Wisnu Hari Ngakan Ketut Acwin Dwijendra Ni Wayan Medita Santipa Tori Njoko, Fillbert Nufrizal Faried Hanafi Nur Ahmad Husin Nuur Aziza Setiyowati Pangestuti, Pramesta Armanisag Prihantono, Gentur Priyo Suprobo R. Amalia, Aniendhita R. Soewardojo Rahmanita Nuzula Raka, I Gusti Putu Rambak, Ezra Pasereng Ridho Bayu Aji Ridho Bayuaji Rijiyawanto, Adetya Rosyidi, Moh Fadhlan RPX Rooswan Happmono Santoso, Wilman Adi Septiarsilia, Yanisfa Silalahi, Oktavia Ully Artha Sugihardjo, Hidajat Sugihardjo, Hidajat Susanto Hari Asmoro Syamsu, Rizal Nur Syarifah Nur’ain Ananda Fersanti Syifaul Ummah, Galih Tatas Tatas Titan Adya Safara Tri Widya Swastika Triwulan Triwulan Triwulan Triwulan Wilson Meynerd Rafael, Jusuf Yafie Abdillah Akbar Yanisfa Septiarsilia Yanisfa Septiarsilia Yanisfa Septiarsilia Yudhi Arnandha Yuyun Tajunnisa