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All Journal Jurnal Teknik FROPIL (Forum Profesional Teknik Sipil) Composite Journal Research Review: Jurnal Ilmiah Multidisiplin Jurnal Sains dan Teknologi Tadulako
Mirzan Gani
Universitas Negeri Gorontalo
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Analisis Pengaruh Faktor Modifikasi Respon SRPMK Struktur Gedung Beton Bertulang Pada Balok Kategori Desain Seismik D Budi Rahmad Tangahu; Kasmat Saleh Nur; Mirzan Gani
Jurnal Teknik Vol 17 No 1 (2019): Jurnal Teknik
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.627 KB) | DOI: 10.37031/jt.v17i1.21

Abstract

parameter kecepatan gelombang Kota Gorontalo masuk dalam kelas situs SD. Hal ini mengaruskan perencanaan bangunan bertingkat didesain sebagai Sistem Rangka Pemikul Momen Khusus (SRPMK). Sistem Rangka Pemikul Momen Khusus umumnya menggunakan faktor modifikasi respon (R) 8 (SNI 1726;2012), dimana struktur harus berperilaku daktail. Untuk struktur beton bertulang akan mengalami kesulitan dalam pendetailan tulangan. Oleh karenanya dilakukan variasi faktor modifiIkasi respon untuk mengetahui pengaruhnya terhadap simpangan struktur, kapasitas momen balok dan daktilitas balok. Struktur gedung 5 lantai dianalisis menggunakan faktor modifikasi respon 4, 5, 6, 7 dan 8. Untuk masing-masing faktor modifikasi respon diperoleh simpangan struktur, kapasitas momen dan daktilitas. Kapasitas momen dan daktilitas elemen balok dihitung berdasarkan tulangan yang diperoleh dari hasil desain. Hasil analisis diperoleh bahwa semakin kecil faktor modifikasi respon (R) akan menghasilkan simpangan struktur makin besar, kapasitas momen makin besar dan daktilitas makin kecil.
ANALISIS GAYA GESER DASAR DAN SIMPANGAN STRUKTUR GEDUNG UTAMA FAKULTAS TEKNIK UNIVERSITAS NEGERI GORONTALO BERDASARKAN SNI Yudistira Ekatama; Kasmat Saleh Nur; Mirzan Gani
Jurnal Sains dan Teknologi Tadulako Vol 9 No 1 (2023): April 2023
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jstt.v9i1.447

Abstract

Gedung utama Fakultas Teknik Universitas Negeri Gorontalo di Kabupaten Bone Bolango dibangun pada tahun 2017 berdasarkan SNI 1726:2012. Adanya perkembangan ilmu pengetahuan dan teknologi, pada tahun 2019 diterbitkan SNI 1726:2019 menggantikan SNI 1726:2012, maka dilakukan penelitian untuk melihat pengaruh perubahan SNI 1726:2012 menjadi SNI 1726:2019 terhadap nilai gaya geser dasar (V) dan simpangan antar lantai (Δ) gedung utama Fakultas Teknik Universitas Negeri Gorontalo. Penelitian ini menggunakan data yang diperoleh dari PIU IDB UNG (Project Implementation Unit Islamic Development Bank Universitas Negeri Gorontalo) berupa gambar perencanaan bangunan, data umum mutu bahan yang dipakai, dan data tanah. Prosedur analisis menggunakan bantuan program ETABS versi 17.0.1. Hasil analisis nilai gaya geser seismik statik (VStat) dan gaya geser seismik dinamik (VRS) yang terjadi mengalami penurunan, nilai gaya geser seismik statik (VStat) untuk arah X dan Y mengalami penurunan 18,8% dan untuk nilai gaya geser seismik dinamik (VRS) arah X mengalami penurunan 4,74% dan arah Y mengalami penurunan 5,35%. Adapun hasil analisis nilai simpangan antar lantai (Δ) di setiap tingkat tidak melewati batas simpangan izin yaitu 58,65 mm. Nilai rata-rata simpangan antar lantai (Δ) dari setiap tingkat untuk arah X mengalami penurunan 4,77% dan untuk arah Y mengalami penurunan 5,37%.
TINJAUAN KINERJA STRUKTUR YANG DIRANCANG BERDASARKAN SNI 1726-2002 TERHADAP SNI 1726-2012 (STUDI KASUS STRUKTUR SRPMK KDS D DI KOTA GORONTALO) Kelilaw, Muhammad Farhan Mahendra; Kadarningsih, Rahmani; Gani, Mirzan
Composite Journal Vol. 1 No. 1 (2021): Composite Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (819.102 KB) | DOI: 10.37905/cj.v1i1.10

Abstract

Indonesia mempunyai pedoman dalam perencanaan bangunan gedung tahan gempa yaitu SNI- 1726-2012. Sebelum diterbitkannya SNI-1726-2012, untuk gedung tahan gempa Indonesia pernah mengacu pada SNI-1726-2002, dimana untuk perencanaan gempa dibagi menjadi 6 wilayah gempa dan mengganggap semua daerah di setiap kota memiliki respons spektra yang sama. Dengan adanya perubahan pedoman tersebut gedung yang dibangun bedasarkan SNI-1726-2002 perlu dievaluasi terhadap perubahan-perubahan ketentuan dalam SNI-1726-2012. Prosedur analisis menggunakan bantuan Program ETABS (Extended Three Dimensional Analysis of Bulilding Systems) versi 9.7 untuk gedung dengan SNI 1726 2002 dan versi 17.0.1 untuk gedung dengan SNI 1726 2012 yang meliputi analisis pembebanan hingga pemeriksaan kinerja struktur. Gaya-gaya ultimit penampang akan dikontrol berdasarkan nilai kapasitas yang diperoleh melalui tahap desain awal pada gedung semula baik untuk kapasitas momen dan geser untuk penampang balok dan kolom. Berdasarkan hasil analisis, kinerja struktur Gedung 8 lantai berdasarkan SNI 1726:2002 di Kota Gorontalo, masih memiliki simpangan antar lantai yang aman berdasarkan ketentuan SNI 1726:2002, yakni sebesar 10,006 mm lebih kecil dari yang diijinkan yaitu sebesar 12,35 mm, akan tetapi jika dievaluasi dengan SNI 1726:2012 simpangan antar lantai yang terjadi sebesar 95,31 mm lebih besar dari yang dijinkan SNI 1726:2012 yakni sebesar 70 mm dan penambahan kolom sebagai perkuatan sktruktur Gedung 8 lantai di Kota Gorontalo pada bagian eksterior gedung mampu menambah kekakuan struktur dan meredam simpangan antar lantai yang terjadi dari 95,31 mm ke 69,53 mm sehingga memenuhi simpangan ijin berdasarkan SNI 1726:2012.
Pengaruh Degradasi Kekakuan Pada Batang Diagonal Tekan Terhadap Kinerja Jembatan Rangka Baja Bentang 60 m. Ismail Patawe, Mohammad Hamdani; Nur, Kasmat Saleh; Gani, Mirzan
FROPIL (Forum Profesional Teknik Sipil) Vol 11 No 1 (2023): FROPIL (Forum Profesional Teknik Sipil)
Publisher : Jurusan Teknik Sipil Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/fropil.v11i1.3253

Abstract

A bridge is an infrastructure built solidly and safely to serve community activities well. In the course of its development, some steel truss bridges suffer a problem which is often caused by a traffic accident, resulting in a degradation of a bridge element. The missing of member can change the structure that will lead to the instability of a bridge if the assumption of joint used is pinned. In contrast, the bridge structure will function as a frame even when an element is missing if the assumption of joint used fixed. This research aimed to find out the effect of stiffness degradation of compressive diagonal member on the performance of a steel truss bridge. To find out the effect , Class A steel truss bridge with a span of 60m constructed by PT. Wiratama GlobalIndo Jaya was selected. The bridge was designed using the SAP 2000 V.18 application with two treatments, namely the pinned the fixed joint. There were three compressive diagonal members that changed its stiffness degradation of 20%, 40%, 60%, and 80% including non-degradation as control. Findings reveal that member number 3 was the most crucial element that reached 4.307% of deflection and 8.65% of stress in the pinned joint. Furthermore, the results showed that the member obtained 4.230% of deflection and 17.87% of stress in the fixed joint. These results signified that the fixed joint provided a lower deflection than the pinned joint. Conversely, the stress on the fixed joint was greater than on the pinned joint
Pengaruh Penempatan Tangga Terhadap Eksentrisitas Bangunan Gedung 5 Lantai (Studi Kasus: Gedung Rawat Inap RSUD dr. Hasri Ainun Habibie) Sarwan Ahmad; Kasmat Saleh Nur; Mirzan Gani
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 2 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2025 - Januari 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i2.168

Abstract

One vital factor in designing earthquake-resistant structures is the torsional moment generated by eccentricity, or the distance between the center of mass and the center of rigidity. Thus, the eccentricity value needs to be minimized to reduce the resulting torsion. This study aimed to analyze the effect of variations in staircase placement on eccentricity, using the Inpatient Building at RSUD (Regional General Hospital) Dr. Hasri Ainun Habibie, Gorontalo, as a case study. Modeling was performed on seven variations of stair placement, with placement 1 representing the existing condition using shear walls. The shear walls were then removed to assess the structural effectiveness of the stair placement changes. The analysis results indicated that even without shear walls, eccentricity values were lower than those obtained for placement 1 (the existing), namely for placements 6 and 7. The smallest eccentricity value was discovered in placement 7 with a value of 0.76%, where the stairs were symmetrical about the X and Y axes. Conversely, the largest eccentricity value was discovered in placement 4 with a value of 10.55%, where the stairs were positioned close together. These differences confirmed that the staircase placement configuration significantly affected the building’s eccentricity.
Pengaruh Bentuk Geometri Horizontal Terhadap Perilaku Struktur Gedung Bertingkat 4 Lantai Siti Nurhayati Safi’i; Rahmani Kadarningsih; Mirzan Gani
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 1 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Februari 2025 - Juli 2025)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i1.185

Abstract

In the construction of multi-story buildings, improvisation is often carried out on the shape of the building due to land limitations and differences in space functions, and also to meet the needs of architects. Improvised building form means the building has an irregular geometric shape horizontally or vertically. This research analyzes the effect of horizontal geometry shape on the structural behavior of a 4-story high-rise building with 5 variations of T-shaped modeling based on the ratio of Lx and Ly. A comparison of structural behavior in this research was carried out on Model 3 based on base shear, displacement, and drift. The study's results discovered the effect of increasing the span length on the X-direction earthquake load and the Y-direction earthquake load, causing an increase in the base shear, displacement, story drift, and a decrease in stiffness for all modeling variations against Model 3 Meanwhile, the largest increase and decrease were in Model on the Y-direction earthquake load, with an increase in the base shear value of 113.548%, a displacement value of 112.615%, an average story drift value of 28 521%, and a decrease in stiffness of 30.723%.
Analisis Perbandingan Baja Profil Pipa dan Baja Profil Double Canal Terhadap Kinerja Struktur Atap Tribun Stadion Rahmatia Hastanty Kantu; Rifadli Bahsuan; Mirzan Gani
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 2 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2025 - Januari 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i2.286

Abstract

A stadium is a building designed to accommodate various sports activities such as football, athletics, and badminton, requiring a strong and stable structural system. Stadium structures generally use reinforced concrete for main structural elements and steel roof trusses to support spectator stands. In steel roof design, the selection of steel profiles is crucial because it affects structural performance, load capacity, and material efficiency. This study aims to analyze and compare the performance of pipe steel profiles (Hollow Structural Section/HSS) and double channel steel profiles used in stadium stand roof structures. The comparison is based on cross-sectional area, unit weight, nominal strength, and design strength under axial compression and tension loads. The results show that the HSS76.2×4.8 profile, with a cross-sectional area of 1078.16 mm² and a weight of 8.46 kg/m, provides compressive and tensile strengths of 294.08 kN and 329.92 kN, respectively, when used as a diagonal member. The HSS127×7.9 profile, with an area of 2959.95 mm² and a weight of 23.24 kg/m, achieves compressive and tensile strengths of 868.59 kN and 905.74 kN as top and bottom members. In comparison, the 2C75×5.2 double channel profile shows a compressive strength of 326.29 kN and is prone to flexural–torsional buckling, while the 2C150×12.2 profile reaches a compressive strength of 793.44 kN. Overall, pipe steel profiles demonstrate better efficiency under axial loads due to lower weight and smaller cross-sectional area for comparable strength.
Analisis Penempatan Tangga terhadap Simpangan akibat Beban Gempa dengan Metode Time History Analysis (Studi Kasus: Gedung Rawat Inap RSUD dr. Hasri Ainun Habibie) Fitri Kiayi; Kasmat Saleh Nur; Mirzan Gani
Research Review: Jurnal Ilmiah Multidisiplin Vol. 5 No. 1 (2026): Research Review: Jurnal Ilmiah Multidisiplin (Februari 2026 - Juli 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v5i1.305

Abstract

Indonesia has a high level of earthquake vulnerability due to its location within the Ring of Fire and at the convergence of three major tectonic plates. This condition necessitates the design of earthquake-resistant multistory buildings by considering stair elements that are integrated with the main structural system. Improper stair placement may affect structural stiffness and eccentricity and increase interstory drift, potentially leading to severe damage. This study analyzes the effect of stair position on the drift of reinforced concrete building structures using 3D modeling of three stair placement configurations from previous studies. Seismic load analysis employed the Time History Analysis method using three pairs of global earthquake records: Chi-Chi, Kobe, and El Centro. The analysis focused on evaluating interstory drift values to determine whether the stair placement configurations met safety standards. The findings indicate that stair placement significantly affects interstory drift. The Chi-Chi earthquake produced the largest interstory drift in Placement 3, particularly on the second and third floors, exceeding the allowable limit of 40 mm with values of 59.20 mm (X- direction) and 46.19 mm (Y-direction). This was followed by the El Centro earthquake, whereas the Kobe earthquake resulted in the smallest interstory drift for the same configuration, remaining below the allowable limit, with values of 27.54 mm (X-direction) and 24.15 mm (Y-direction).
Co-Authors Budi Rahmad Tangahu Fitri Kiayi Ismail Patawe, Mohammad Hamdani Kasmat Saleh Nur Kelilaw, Muhammad Farhan Mahendra Rahmani Kadarningsih Rahmatia Hastanty Kantu Rifadli Bahsuan Sarwan Ahmad Siti Nurhayati Safi’i Yudistira Ekatama