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Analisis Perilaku Concrete Filled Double Skin Steel Tubes (CFDSTs) Akibat Beban Siklik dengan Metode Elemen Hingga Al Anshori, Moh. Irfan; Suswanto, Budi
Jurnal Aplikasi Teknik Sipil Vol 22, No 1 (2024)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2579-891X.v22i1.19483

Abstract

Concrete Filled Double Skin Steel Tubes (CFDSTs) merupakan struktur komposit yang memanfaatkan penampang baja ganda yang diisi beton. CFDSTs banyak digunakan dalam konstruksi bangunan modern karena memiliki kinerja struktural yang baik dikarenakan bagian berongga penampang baja berfungsi sebagai tulangan dan bekisting untuk beton, sedangkan beton sendiri berfungsi untuk menghilangkan atau menunda tekuk lokal pada bagian berongga penampang baja serta meningkatkan daktilitas penampang secara signifikan. CFDST sendiri mempunyai keuntungan dibandingkan dengan struktur komposit tabung baja yang terisi penuh beton yaitu peningkatan modulus penampang, peningkatan stabilitas, bobot yang lebih ringan, karakteristik redaman yang lebih baik dan kinerja siklik yang lebih baik. Penelitian ini menganalisis struktur komposit CFDSTs tipe Circular Hollow Section (CHS) dan Square Hollow Section (SHS) dengan beberapa variasi. Proses analisis dilakukan dengan melakukan permodelan dengan finite element method menggunakan software Abaqus CAE dengan serangkaian test siklik pada struktur kolom. Hasil analisis yang di peroleh menunjukan bahwa model SHS lebih unggul dari pada model CHS dalam segi nilai kapasitas geser, mendisipasi energi dan kemampuan daktilitasnya
Studi Desain Berbasis Kinerja Seismik Dengan Pendekatan Perpindahan Metode MDOF Equivalent System Menggunakan Verifikasi Analisis Nonlinear Modal Time History Pada Rangka Baja Terbreis Eksentris Dinar, Bala Arizalu Putra; Suswanto, Budi; Tajunnisa, Yuyun
Jurnal Aplikasi Teknik Sipil Vol 22, No 1 (2024)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2579-891X.v22i1.19714

Abstract

Studi desain berbasis kinerja seismik dengan menggunakan pendekatan Direct-Displace­ment Based Design (DBD) metode Single-Degree-of-Freedom (SDOF) equivalent system yang berdasarkan ragam getar pertamanya, telah banyak dilakukan di Indonesia, namun studi pengujian DBD metode Multiple-Degree-of-Freedom (MDOF) equivalent system yang dapat menangkap pengaruh empat ragam getar, masih minim dilakukan. Penelitian ini melakukan pengujian desain berbasis kinerja seismik menggunakan pendekatan DBD metode MDOF equivalent system dengan tiga buah subjek studi berupa struktur rangka baja terbreis eksentris tiga dimensi, dan sebagai verifikasinya menggunakan analisis non­linear modal time history. Hasil uji menunjukkan bila DBD metode MDOF equivalent sys­tem memberikan akurasi yang kurang baik, juga pada studi ini menunjukkan analisis non­linear modal time history memberikan efisiensi waktu yang sangat baik dengan rata-rata galat yang masih dapat diterima.
Studi Numerik Pengaruh Variasi Coupling Beam Pada Sistem Coupled Steel Plate Shear Wall (CSPSW) Moneta, Rendy -; Suswanto, Budi -
Jurnal Aplikasi Teknik Sipil Vol 22, No 1 (2024)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j2579-891X.v22i1.19817

Abstract

Coupled Steel Plate Shear Wall (CSPSW) adalah sistem penahan beban lateral yang efisien yang terdiri dari dua atau beberapa Steel Plate Shear Wall (SPSW) yang saling terhubung pada setiap lantai, CSPSW memiliki kemampuan deformasi kekakuan awal yang tinggi, berperilaku daktail, dan mendisipasi energi yang besar, sehingga cocok menjadi sistem penahan gempa besar. Pada penelitian ini dilakukan validasi numerik dan eksperimental dari Daniel & Larry (2017), serta pemodelan gedung 15 lantai dengan menggunakan sistem Coupled Steel Plate Shear Wall (CSPSW), selain itu membuat 4 model 3 lantai yang dibedakan berdasarkan panjang dan section coupling beam  dan dianalisa dengan Finite Element Method (FEM) dengan menggunakan program bantu Abaqus CAE. Hasil analisa sistem CSPSW yaitu berupa kurva histeresis, pola deformasi, kapasitas disipasi energi dan kapasitas gaya geser. Kesimpulan hasil analisa yaitu intermediate coupling beam (CSPSW1-I dan CSPSW2-I) lebih efektif dibandingkan dengan long coupling beam (CSPSW1-L dan CSPSW2-L).
Development and Analysis of an Innovative Precast Concrete U-Shell Beam Suswanto, Budi; Iranata, Data; Septiarsilia, Yanisfa; Raka, I Gusti Putu
IPTEK The Journal of Engineering Vol 10, No 1 (2024)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v10i1.a20049

Abstract

Precast concrete offers several advantages compared to conventional systems; precast concrete structure technology has become a strategy to enhance standardization, quality control, labor efficiency, and reduce environmental impact and construction pollution. The U-Shell precast beam is a reinforced concrete beam with a 'U' shape designed to enhance practicality and expedite the construction process as it does not require additional formwork and shoring during implementation. The U-Shell beam functions as a permanent formwork, and its design follows either monolithic or conventional methods. In multi-story buildings, using U-Shell beam can increase practical value, reduce costs, and improve time efficiency because they do not require additional formwork and scaffolding in the implementation application. This research involves the development of U-Shell precast beams, structure loading considering various loads, modeling using computer program to determine the structural reactions on each element, reinforcement design for the U-Shell beam structure, and analysis of the lifting and assembly of U-Shell precast beam. The building selected for reviewing U-Shell beams is the Building with a Special Moment Resisting Frame System. From the results of the analysis, the researcher drew several conclusions regarding the reinforcement design for the U-Shell beam under both conditions. In the condition before composite, the number of installed main reinforcements is 6 with a diameter of 13 mm, while in the condition after composite, the number increases to 8 with a diameter of 16 mm. Lifting reinforcement requires a diameter of 10 mm. The difference in reinforcement between before composite and after composite conditions is because before the composite the beam is still receiving self-load, whereas for the after composite condition the change in moment occurs. After all, the beam has received self-load and other loads. The development and analysis of an innovative precast concrete U-Sheel beam has complied with strength and serviceability.
Penerapan Profesionalisme, Etika Profesi, dan Keselamatan dan Kesehatan kerja (K3) pada Pembangunan Jalan Tol di Pulau Jawa dengan Metode Span-by-Span dan Sistem External Post-Tension pada Struktur Box Girder Njoko, Fillbert; Husin, Nur Ahmad; Prihantono, Gentur; Bayuaji, Ridho; Suswanto, Budi
Jurnal Profesi Insinyur Universitas Lampung Vol. 6 No. 1 (2025)
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpi.v6n1.144

Abstract

Pembangunan infrastruktur memegang peranan yang sangat penting dalam mendorong pertumbuhan ekonomi pada suatu negara, tidak terlepas dari Indonesia. Salah satu bentuk infrastruktur adalah jalan tol. Pulau Jawa sebagai pulau dengan penduduk terpadat dan menjadi pusat perekonomian sangat membutuhkan pembangunan jalan tol. Dalam menghadapi tantangan kemacetan yang menghambat mobilitas, pembangunan jalan tol menjadi solusi strategis untuk memperlancar arus transportasi dan mendukung pertumbuhan ekonomi. Pada studi ini meninjau penerapan profesionalisme, etika profesi, dan Keselamatan dan Kesehatan Kerja (K3) pada sebuah proyek pembangunan jalan tol dengan metode span-by-span dengan sistem external post-tension pada struktur box girder di Pulau Jawa. Pada sisi profesionalisme dibagi menjadi beberapa tinjauan yaitu manajemen organisasi, quality control, dan metode pelaksanaan. Sisi etika profesi membahas mengenai penyelesaian dari masalah yang timbul akibat proses konstruksi. Sisi K3 membahas mengenai implementasi K3 di kantor dan di lokasi proyek. Studi ini disusun melalui pengumpulan data-data, wawancara, dan juga pengamatan visual di lokasi pembangunan jalan tol. Hasil pengamatan dan pengawasan di lapangan menunjukkan bahwa penerapan profesionalisme, etika profesi, dan keselamatan serta kesehatan kerja (K3) telah dilaksanakan dengan baik. Penerapan ini sangat penting karena berperan dalam mendukung kelancaran pelaksanaan proyek, terutama pada proyek konstruksi yang memiliki tingkat kompleksitas yang tinggi.
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.
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