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Budi Suswanto
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Manajemen dan Pengawasan Proyek Rekonstruksi Jalan Geneng – Maron Titan Adya Safara; Nur Ahmad Husin; Yudhi Arnandha; Budi Suswanto; Tatas Tatas
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 1 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4767

Abstract

Construction work or construction projects are a collection of complex tasks interconnected with each other. In its implementation, these construction projects must be adjusted to the plans that have been made, both in terms of volume, quality, cost, and time. The execution of these projects requires management and supervision by a supervisory team, which acts as a consultancy service provider to assist the Public Works and Spatial Planning Agency of Temanggung Regency. This project is the Reconstruction Package of the Geneng – Maron Road Section located in Temanggung Regency. Temanggung Regency is a regency located in Central Java Province which serves as one of the connectors between the Capital of Central Java Province and other cities or regencies. Road maintenance is carried out periodically as one of the efforts to maintain district roads. Routine road maintenance is carried out once a year, but for the improvement of the Geneng – Maron road section, it is carried out after the last improvement in 2016. Based on the Minister of Public Works Regulation No. 13/PRT/M/2011 regarding Procedures for Road Maintenance and Road Inspection, there is a table determining the road maintenance program for asphalt/concrete-covered roads, indicating that roads in severe disrepair should undergo reconstruction or improvement. The Geneng – Maron road itself is a district road frequently traversed by various classes of vehicles. However, the Geneng – Maron Road should have its status changed due to frequent passage by heavy-duty vehicles, causing it to deteriorate more rapidly due to its design and function being inadequate. Therefore, routine maintenance cannot be applied this year because the damage is already severe enough to require road reconstruction.
An Experimental Study on Axial Stress-Strain Behaviour of FRP-Confined Square Lightweight Aggregate Concrete Columns Louk Fanggi, Butje Alfonsius; 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.
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.
Interactive Effects of Span Length and Rafter Angle on The Ductility and Stability of Steel Warehouse Structures Kevin C. Darmawan; Budi Suswanto; Aniendhita R. Amalia
Journal of Civil Engineering Vol. 40 No. 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i2.7257

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.
Effect of the Increase in Vertical Web Member Stiffness on Lateral Buckling Strength of the Pony Steel Bridge Hidajat Sugihardjo; Moh F. Rosyidi; Budi Suswanto
Journal of Civil Engineering Vol. 40 No. 1 (2025)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v40i1.7278

Abstract

In half-through bridge or pony steel bridge, that is a bridge without upper windbracing, strength of the bridge is determined mainly by the lateral bucklingstrength of its upper chord. Buckling strength of this chord is provided by theflexural stiffness of vertical web member, cross beam, and diagonal beam. In orderto improve the stiffness of vertical web member, triangular steel profile that wasquite high was added to the inner side of bridge for reducing the clearance widthin bridge and disturbing traffic or pedestrian. In this research, stiffness of thevertical web member was improved by using the non-prismatic cross section andadding the triangular stiffener as high as the concrete deck. Finite ElementAnalysis for the lateral stiffness of bridge cross section used a 3D element modelwhich has been validated by previous study. This numerical study was conductedto validate the Engesser theory for determining the lateral elastic stiffness fromupper chord. Study shows the result that accuracy of 3D element model isextremely high, compared with analytic method. Lateral elastic stiffness of bridgein general increased along with the stiffness of vertical web member. However, itcan be concluded that effect on the capability of lateral buckling in upper chordwas not too significant, as a consequence of the increase in stiffness of verticalweb member. Critical lateral buckling occurred in an inelastic range, in which thecritical inelastic buckling stress was determined using small tangent modulus asalternative of modulus of elasticity.
CONNECTION MODEL OF CONCRETE FILLED STEEL TUBE (CFT) COLUMN TO STEEL BEAM UNDER CYCLIC Agustina D. Atmaji; Budi Suswanto; Endah Wahyuni
Journal of Civil Engineering Vol. 34 No. 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i1.7463

Abstract

Various types of structural technology began to develop rapidly, one of which was composite steel. Composite steel (Concrete Filled Steel Tube) is a structure consisting of two or more materials with different material properties and form one unit so as to produce better combined properties. Compared to conventional steel, this column has many advantages such as convenient formwork for concrete cores provided by steel tubes, increased strength and good ductility. This study uses the CFT column as the main variable by considering variations in the CFT column on the connection using ABAQUS. Modeling was carried out with a test object of 203 × 133 × 7.8 × 5.8 mm and the CFT column dimensions of rectangular 220 × 220 × 6 mm, and circular Ø 220 mm t = 8 mm. The research method uses two steps static-general method with static-risk. The results of these two research methods have the results of approaching and having the same behavior. Modeling has fulfilled the requirements of modeling the column-beam joints that can be used in a system of earthquake-resistant reinforced steel composite concrete frame structures. Based on the modeling results that have been done, modeling has fulfilled the connection that has sufficient ductility capability.
STUDI PERILAKU PADA SAMBUNGAN RECTANGULAR CONCRETE FILLED TUBES (RCFT) DENGAN METODE FINITE ELEMENT Cintantya Budi Casita; Budi Suswanto
Journal of Civil Engineering Vol. 32 No. 1 (2017)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v32i1.7510

Abstract

This research presents the result of two rectangular filled tube column-to-beam connections under cyclic loadingusing finite element analysis. Connections of all two models were using weld connection and shear tab attached to beamwebs. In this study, 2 models were made: RR-1 and RB-2, which are RCFT connection with RBS and RCFT connectionwithout RBS. This study is conducted to learn, the advantages of RCFT connection with RBS against RCFT connectionwithout RBS. The analysis results observed that cyclic performance of the RBS moment connection was much superior to theconnection without RBS. The highest regions of stress occur in vicinity of beam bottom flange near column face forconnection without RBS. For connection with RBS, the highest regions of stress occur in reduced beam section of the beam.
STUDI PERILAKU LINK PENDEK, LINK MENENGAH DAN LINK PANJANG PADA STRUKTUR BAJA SISTEM EBF Jusuf Wilson Meynerd Rafael; Budi Suswanto
Journal of Civil Engineering Vol. 32 No. 1 (2017)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v32i1.7511

Abstract

The paper disccuses an analysis study on the design of Eccentrically Braced Frame (EBF) i.e. short link,intermediate link and long link) with K-Braces-type Split 1 floor. The analysis is performed by using ABAQUS with staticmonotonic loading in a single structure (frame). Each element of the frame is modeled as sholid 3D with connections to everyelement in the form of tie constraints and given fixed on each base of the column as a boundary condition. All three models ofthe frame has been analyzed in accordance with the AISC 2010 provisions and then compared the behavior of each of thesemodels. The results indicate that the short link model considered in this study have on a higher over strength value and usedas a proposed model when compared to intermediate link and long link model. It is stated by the failure mechanism as well,the failure is well-occurred in the short link condition than the other models.
EVALUASI STRUKTUR EKSISTING GEDUNG GRAHA PT PETROKIMIA GRESIK Muhammad Wahyu Firdani; Muhammad Sigit Darmawan; Budi Suswanto; Gentur Prihantono
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 01 (2026): Volume 12 No. 01, Maret 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v11i04.10974

Abstract

This paper discusses the Evaluation of the Existing Structure of the Graha Building of PT Petrokimia Gresik. The building was constructed on December 6, 2021, and handed over on June 28, 2023. However, in August 2025, cracks were discovered in the rear section of the building. These cracks were found in areas such as the staircase access from the 1st to the 2nd floor, the head office's room, and on beams across several floors. Consequently, a special identification of this damage is required, encompassing visual inspection, concrete surface hardness testing, concrete core sampling, and analysis using SAP2000. Therefore, a technical study is necessary to analyze the structural strength of the existing building. Based on the structural system analysis, the selected strengthening methods are: Adding new post columns using IWF 250 x 250 sections, Injecting the concrete cracks, Strengthening the cantilever beams using Carbon Fiber Reinforced Polymer (CFRP). Furthermore, risk mitigation for these work methods is required to ensure the project implementation can be completed safely.
Co-Authors Agustina D. Atmaji Ahmad Basshofi Habieb Aniendhita R. Amalia Arina Desye Hariyanti Axel Ricardo Santoso Basshofi Habieb Endah Wahyuni Gentur Prihantono Gentur Prihartono Haykal Wildan Tamimi El Jauhari Hidajat Sugihardjo Ida Ayu Putu Eka Chandra Saraswati Ifarrel Rachmanda Hariyanto Jonatan Lassa Jusuf Wilson Meynerd Rafael Kevin C. Darmawan Louk Fanggi, Butje Alfonsius M. Sigit Darmawan Merisa Ayu Pramesti Moh F. Rosyidi Muhammad Sigit Darmawan Muhammad Wahyu Firdani Nufrizal Faried Hanafi Nur Ahmad Husin Rahmanita Nuzula Ridho Bayu Aji RPX Rooswan Happmono Tatas Tatas Titan Adya Safara TRISNAWATI KUSUMAWARDHANI Yafie Abdillah Akbar Yudhi Arnandha Yuyun Tajunnisa