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Comparative seismic performance of flat slabs using four design codes Samsul Abdul Rahman Sidik Hasibuan; Hakas Prayuda; Suraya Hani Adnan; Tengku Anita Raja Hussin; Fredy Kurniawan; Tika Ermita Wulandari
SINERGI Vol. 30 No. 2 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2026.2.010

Abstract

This study evaluated the seismic performance of flat slab structures designed according to four international standards: SNI 2847-2019 (Indonesia), NZS 3101:2006 (New Zealand), IS 456-2000 (India), and JSCE 15-2007 (Japan). A five-story reinforced concrete building was modeled using ETABS for nonlinear pushover analysis, while MATLAB was utilized for calculating slab thickness, moment distribution, reinforcement design, and punching shear strength. Results unveiled that the JSCE 15-2007 code provided the stiffest system with minimal lateral displacement and the highest base shear capacity, whereas IS 456-2000 exhibited superior ductility and flexibility. SNI 2847-2019 and NZS 3101:2006 delivered balanced performance in terms of stiffness and material efficiency. The variation in slab thickness, reinforcement area, and natural period highlighted each code’s design philosophy regarding seismic safety. These findings suggest that code selection should consider regional seismic risk, structural demands, and construction priorities to ensure optimal safety and efficiency. The study contributes to the harmonization of global flat slab design practices and offers practical recommendations for improving the seismic resilience of buildings.
Analisis Pilecap Proyek Pabrik Kertas Tanjung Morawa dengan Metode Strut-and-Tie Berbasis CAST Raja Akibarung Banurea; Samsul Abdul Rahman Sidik Hasibuan; Jaka Suranto
Momentum Jurnal Inovasi dan Rekayasa Teknik Sipil (MJIRTS) Vol. 2 No. 2 (2026): Juli
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mjirts.v2.i2.5

Abstract

Pilecap merupakan elemen pondasi yang tergolong daerah diskontinuitas (D-Region) sehingga distribusi tegangannya tidak dapat dianalisis secara akurat menggunakan teori lentur konvensional. Penelitian ini bertujuan menganalisis perilaku aliran gaya, mengevaluasi kapasitas pilecap beton bertulang menggunakan Strut-and-Tie Model (STM), serta mengkaji pengaruh penerapan lebar efektif terhadap efisiensi desain pada Proyek Pembangunan Pabrik Kertas Tanjung Morawa. Metode penelitian meliputi analisis elemen hingga menggunakan SAP2000 untuk memperoleh lintasan tegangan utama, penyusunan model STM, perhitungan kapasitas strut, tie, dan zona nodal berdasarkan SNI 2847:2019, serta verifikasi menggunakan perangkat lunak Computer Aided Strut and Tie (CAST). Hasil penelitian menunjukkan bahwa aliran gaya tekan utama membentuk jalur diagonal dari kolom menuju kelompok tiang, sedangkan gaya tarik terkonsentrasi pada serat bawah pilecap. Verifikasi menunjukkan rata-rata force ratio hasil perhitungan manual sebesar 0,64 dan hasil CAST sebesar 0,63 sehingga model yang dikembangkan dinilai konsisten dan andal. Penerapan lebar efektif dengan mengurangi lebar kerja pilecap dari 2600 mm menjadi 1800 mm meningkatkan rata-rata force ratio dari 0,63 menjadi 0,82 tanpa melampaui batas kapasitas struktur. Disimpulkan bahwa integrasi STM, analisis lintasan tegangan, dan verifikasi CAST mampu menghasilkan desain pilecap yang lebih rasional dan efisien. Pendekatan ini direkomendasikan sebagai alternatif perancangan pilecap beton bertulang pada D-Region sesuai ketentuan SNI 2847:2019.
PREDIKSI KAPASITAS PENAMPANG KOLOM BETON BERTULANG DENGAN VARIASI DIAMETER TULANGAN Samsul A Rahman Sidik Hasibuan; Baskoro Abdi Praja; Iin Irawati
Racic : Rab Construction Research Vol. 7 No. 1 (2022): RACIC (RAB CONSTRUCTION RESEARCH)
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v7i1.2401

Abstract

Reinforced concrete column design is the process of determining the dimensions of the columns and reinforcement required with the appropriate quality of concrete and steel so that they can withstand the planned load to work on the column. Unlike the beam design, which was based on the applied load, it is possible to determine the cross-sectional dimensions and reinforcement requirements directly from the design equation, and the column design process is iterative. A column generally experiences axial forces, shear forces, bending moments, and torsional moments. In this paper, cross-sections of reinforced concrete columns are modelled and analyzed using an android application that can be installed via the play store. The application offered by eigenplus named RCC Column Design version 2.1.12 was released on 17 September 2017. The last updated RCC Column Design application was on 25 March 2018. This paper aims to predict the cross-sectional capacity of reinforced concrete columns with variations in reinforcement diameter. The cross-sectional capacity of the column referred to in this paper is the axial capacity, moment capacity, and shear capacity. Furthermore, the value of the cross-sectional capacity of reinforced concrete columns with variations in the diameter of the reinforcement has been obtained. The values ​​obtained are proposed as predictions in this paper.
Probabilitas Kerusakan Gedung Bertingkat Rendah Akibat Beban Seismik Menggunakan Kurva Kerapuhan Hakas Prayuda; Taufiq Ilham Maulana; Samsul Abdul Rahman Sidik Hasibuan; Darda Bari Farizqi; Faiik Ilmi; Renita Husna
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 9 No. 2 (2025): JCEBT SEPTEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v9i2.17666

Abstract

Indonesia merupakan wilayah dengan tingkat aktivitas seismik yang tinggi karena berada pada zona cincin api dunia, sehingga banyak bangunan, khususnya bangunan bertingkat rendah, rentan mengalami kerusakan saat terjadi gempa bumi. Bangunan masjid sebagai salah satu fasilitas publik yang umum dijumpai juga tidak terlepas dari risiko tersebut, terutama apabila didesain tanpa perencanaan teknis yang memadai. Oleh karena itu, diperlukan suatu metode yang mampu memprediksi tingkat kerusakan bangunan secara kuantitatif. Penelitian ini bertujuan untuk memprediksi probabilitas kerusakan bangunan beton bertulang bertingkat rendah menggunakan metode kurva kerapuhan. Objek penelitian berupa dua tipe bangunan masjid 2 lantai dengan bentuk tidak beraturan. Analisis dilakukan secara numerik menggunakan aplikasi STERA 3D dengan beban gempa riwayat waktu (time-history) dari beberapa kejadian gempa (Parkfield, Kobe, Chichi, Tabas, dan Chuetsu-oki). Kurva kerapuhan dikembangkan menggunakan metode HAZUS untuk menentukan probabilitas kerusakan pada berbagai tingkat (slight, moderate, extensive, dan complete). Hasil penelitian menunjukkan bahwa bentuk bangunan dan karakteristik gempa sangat mempengaruhi respons seismik dan tingkat kerusakan. Bangunan berbentuk L cenderung memiliki nilai perpindahan dan probabilitas kerusakan yang lebih tinggi dibandingkan bangunan berbentuk H. Selain itu, sebagian besar kondisi menunjukkan bangunan berada pada fase plastis, kecuali pada gempa Chichi yang masih dalam kondisi elastis. Dapat disimpulkan bahwa ketidakberaturan bentuk bangunan meningkatkan kerentanan terhadap kerusakan akibat gempa. Oleh karena itu, direkomendasikan agar perencanaan bangunan masjid mempertimbangkan aspek regularitas struktur serta dilakukan evaluasi kinerja berbasis analisis kerapuhan untuk meminimalkan risiko kerusakan di wilayah rawan gempa.
Literasi Pengomposan Berbasis Partisipatif sebagai Strategi Reduksi Sampah Organik di Desa Kedai Durian Marwan Lubis; Darlina Tanjung; Hermansyah Alam; Jupriah Sarifah; Luthfi Parinduri; Samsul Abdul Rahman Sidik Hasibuan; Alirahman Mukhtiar Tanjung; Muhammad Iqbal; Cut Najla Seirin; ARofif D. Adly; Ali Franata; Fitria
Mitra Jurnal Pengabdian Masyarakat Multidisiplin (MJPMM) Vol. 2 No. 1 (2026): Maret
Publisher : Marasofi International Media and Publishing (MIMP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64123/mjpmm.v2.i1.4

Abstract

Permasalahan sampah organik di wilayah perdesaan kerap terabaikan akibat rendahnya literasi pengelolaan limbah domestik, termasuk di Desa Kedai Durian. Kegiatan pengabdian ini bertujuan meningkatkan literasi pengomposan masyarakat melalui pendekatan Participatory Action Research (PAR) untuk mendorong reduksi sampah di sumbernya. Metode pelaksanaan melibatkan 40 partisipan melalui tahapan diagnosis masalah, perencanaan aksi, intervensi teknis pengomposan aerob, serta observasi dan evaluasi. Pengumpulan data dilakukan menggunakan pre-test, post-test, dan observasi partisipatif untuk menilai perubahan pengetahuan, sikap, dan keterampilan. Hasil menunjukkan peningkatan signifikan skor literasi lingkungan sebesar 65%, dari dominan pemahaman konseptual menjadi penguasaan keterampilan teknis produksi kompos. Secara kuantitatif, program mampu mereduksi rata-rata 120 kg sampah organik rumah tangga per minggu yang diolah menjadi kompos layak guna. Keterlibatan aktif warga dalam seluruh siklus kegiatan memperkuat rasa kepemilikan dan konsistensi praktik pengelolaan sampah. Disimpulkan bahwa literasi pengomposan berbasis partisipatif efektif mengubah paradigma masyarakat dari membuang limbah menjadi mengelola sumber daya. Untuk keberlanjutan, direkomendasikan integrasi unit pengomposan dengan Badan Usaha Milik Desa (BUMDes) agar manfaat ekologis dan ekonomi dapat dipertahankan.
Seismic Fragility Assessment of Flat Slab Structures with and without Drop Panels Samsul Abdul Rahman Sidik Hasibuan
Nucleus Journal Vol. 5 No. 2 (2026)
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v5i2.5203A

Abstract

Flat slab reinforced concrete systems are widely used in building construction due to their architectural efficiency and construction simplicity, but their reduced lateral stiffness and lack of beam elements increase seismic vulnerability, particularly in high seismic regions such as Indonesia. This study evaluates the seismic fragility performance of flat slab structures with and without drop panels subjected to multiple Indonesian seismic hazard regions, including Medan, Bandar Lampung, Yogyakarta, and Nusa Tenggara Timur (NTT), with seismic demand defined based on the Indonesian Seismic Hazard Map developed by the National Center for Earthquake Studies (PUSGEN). A nonlinear static pushover analysis is employed to simulate inelastic structural response, including capacity curves, stiffness degradation, plastic hinge progression, and inter-story drift demand, followed by probabilistic fragility assessment using a lognormal distribution to estimate the probability of exceeding damage states (Slight, Moderate, Extensive, and Collapse). The results indicate that the incorporation of drop panels significantly enhances seismic performance by increasing lateral stiffness, delaying stiffness degradation, and reducing deformation concentration at slab-column connections, resulting in lower inter-story drift ratios and improved ductility compared to systems without drop panels. Fragility curves show a consistent shift toward higher spectral displacement capacity, indicating reduced probability of damage exceedance, while structures without drop panels exhibit earlier nonlinear deterioration and higher collapse vulnerability, particularly in high seismic regions such as Yogyakarta and NTT. The study concludes that drop panels are an effective structural enhancement to improve seismic resilience and reduce collapse risk in flat slab buildings in Indonesian earthquake-prone regions.
Optimalisasi Penempatan Dinding Geser untuk Meningkatkan Kinerja Seismik Bangunan Bertingkat Tinggi Menggunakan Analisis Pushover Samsul Abdul Rahman Sidik Hasibuan; Hakas Prayuda; Anizahyati Alisibramulisi; Suraya Hani Adnan; Tengku Anita Raja Hussin
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 32, Nomor 1 (2026)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v32i1.74056

Abstract

High-rise reinforced concrete buildings are susceptible to seismic forces due to their slenderness and flexibility, necessitating effective lateral load-resisting systems. This study investigates the optimal placement of shear walls to enhance seismic performance. A seven-story symmetrical building model was developed in ETABS v.9.7.4, following ASCE/SEI 7-16 and ACI 318-19 standards. Five configurations were analyzed: one control model without shear walls and four others with different wall arrangements. Nonlinear static pushover analysis was employed to evaluate structural response under lateral loading. Performance metrics such as natural period, story displacement, drift ratio, base shear capacity, and pushover behavior were examined. Results indicate that shear wall presence and positioning significantly impact seismic response. The model with symmetrically placed shear walls (Model 3) achieved the best performance, showing a 44.7% reduction in fundamental period, a 40% increase in base shear capacity, and a 47.5% decrease in story drift. These findings highlight the effectiveness of symmetric shear wall layouts in improving seismic resilience. This research offers practical guidance for structural engineers in optimizing lateral systems for earthquake-resistant high-rise buildings.