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All Journal Jurnal Konstruksia International Journal of Civil Engineering and Infrastructure (IJCEI)
Basit Al Hanif
Universitas Muhammadiyah Jakarta
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Engineering Environmental Science Transportation

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ANALISIS PENGARUH SHEAR WALL TERHADAP SIMPANGAN STRUKTUR GEDUNG AKIBAT GEMPA DINAMIS Al Hanif, Basit; Buwono, Haryo Koco
Konstruksia Vol 5, No 2 (2014): Jurnal Konstruksia Vol. 5 No. 2 Tahun 2014
Publisher : Konstruksia

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Abstract

Suatu bangunan tinggi sangatlah rentan terhadap gaya lateral. Gaya lateral yang terjadi pada bagunan, salah satunya adalah beban yang ditimbulkan akibat gempa. Beban gempa dihitung menggunakan perhitungan gempa statis atau gempa dinamis. Untuk kategori struktur tidak berarturan, gempa harus ditinjau menggunakan gempa dinamis.Dalam merencanakan suatu gedung yang sama fungsi dan lokasi, namun tidak menggunakan dan menggunakan shear wall, secara sistem gedung tersebut sudah berbeda. Dan gedung harus direncanakan dengan faktor reduksi gempa yang berbeda. Dan gerak ragam pertama haruslah dominan translasi.Salah satu struktur yang digunakan untuk menahan gaya lateral akibat gempa adalah struktur shear wall. Dengan adanya shear wall akan mempengaruhi kekakuan bangunan, sehingga gaya lateral tidak sepenuhnya dipikul oleh struktur rangka.Dengan adanya shear wall, gedung memliki kekakuan yang lebih dibanding gedung yang tidak direncanakan menggunakan shear wall. Kekauan lebih yang dimiliki gedung berdampak  pada simpangan struktur. Simpangan layan dapat tereduksi, arah X 41,52% dan arah Y berkurang 10,36%. Untuk simpangan ultimit, simpangan arah X tereduksi sebesar 30,89%, sedangkan untuk arah Y bertambah 5,94%. Kata kunci : Shear wall, kinerja layan, kinerja ultimiit
STUDI KEBUTUHAN PELABUHAN DAN TINJAUAN TEKNIS TERHADAP KONDISI PERAIRAN DAERAH KEPULAUAN ARU Kartohardjono, Aripurnomo; Buwono, Haryo Koco; Al Hanif, Basit
Konstruksia Vol 7, No 1 (2015): Jurnal Konstruksia Vol 7. No. 1 Tahun 2015
Publisher : Konstruksia

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Kabupaten Kepulauan Aru merupakan hasil pemekaran dari Kabupaten Maluku Tenggara pada tahun 2003 berdasarkan Undang-undang No 40 Tahun 2003 tentang Pembentukan Kabupaten Seram Bagian Timur, Kabupaten Seram Bagian Barat, Dan Kabupaten Kepulauan Aru Di Provinsi Maluku. Pada saat pembentukan kabupaten baru, wilayah ini terdiri dari 3 kecamatan, Kecamatan Pulau-pulau Aru, Kecamatan Aru Tengah dan Kecamatan Aru Selatan. Sarana dan prasarana angkutan penyeberangan yang beroperasi secara rutin seperti LCT/kapal fery dan dermaganya masih sangat terbatas. Sampai dengan saat ini Pemerintah Dearah telah memiliki 1 unit LCT dan 1 buah dermaga penyeberangan yang masih dalam tahap pembangunan. Saat ini, pergerakan melalui laut, baik untuk transportasi regional maupun lokal, dilayani oleh pelabuhan Dobo dan pelabuhan Benjina. Jumlah penumpang yang naik turun di pelabuhan Dobo pada tahun 2006 mencapai 19.947 orang, sedangkan jumlah barang yang dibongkar muat mencapai 1.469 ton. Secara lebih rinci mengenai angkutan penumpang dan barang pada lintas penyeberangan Dobo – Tual. Hasil pemilihan alternatif diperoleh alternatif 1 sebagai lokasi yang paling tepat sebagai lokasi rencana pelabuhan Batu Goyang namun dari evaluasi kelayakan didapati bahwa lokasi ini dikategorikan kurang layak dibangun mengingat tinggi gelombang, arus dan akses enunjang hinterland tidak terpenuhi. Kata Kunci: kelayakan, pelabuhan, kondisi perairan, Indonesia Timur
THE STRUCTURAL BEHAVIOR OF COLD-FORMED STEEL HOLLOW STRUCTURAL SECTIONS UNDER UNIAXIAL BENDING Budiman, Budiman; Al Hanif, Basit; Yuliansyah, Raka Mirza
International Journal of Civil Engineering and Infrastructure Vol 4, No 2 (2024): IJCEI Volume 4 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.2.67-76

Abstract

This study investigates the structural behavior of Cold-Formed Steel (CFS) Hollow Structural Sections (HSS) under uniaxial bending. Cold-formed steel is increasingly used in modern structural applications due to its material efficiency and ease of fabrication, though its bending response is not fully understood. The research combines numerical and experimental analyses to evaluate the bending performance of CFS HSS under uniaxial loading, considering various section sizes, wall thicknesses, and material properties such as yield strength and tensile strength. A finite element model was developed to simulate the bending behavior, focusing on the effects of section geometry and material characteristics. Experimental tests were conducted to validate the numerical model and provide empirical data on the bending capacity and failure modes. The results show that wall thickness and section geometry significantly influence the bending behavior, with thinner-walled sections being more susceptible to local buckling. Additionally, material strength plays a critical role in enhancing the bending capacity, with stronger materials resulting in higher load-carrying capacities. The findings of this study provide valuable insights into the design and application of CFS HSS, contributing to more accurate and reliable design codes for cold-formed steel structures.
BACK ANALYSIS INVESTIGATION OF THE FACTORS CONTRIBUTING TO SETTLEMENT IN EMBANKMENTS ON SOFT SOIL Pratama, Andreas Raya; Al Hanif, Basit; Soerjatmodjo, Irnanda Satya
International Journal of Civil Engineering and Infrastructure Vol 4, No 2 (2024): IJCEI Volume 4 No. 2
Publisher : University Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/ijcei.4.2.57-66

Abstract

The economic growth of a region is intricately linked to infrastructure development, especially toll highways, which augment the efficiency of products and services distribution, diminish logistical expenses, and promote access to economic hubs. The construction of toll roads, particularly embankments on soft soil foundations, encounters considerable obstacles due to the limited bearing capacity and high compressibility of soft soil, resulting in settlement issues that may threaten structural integrity and functionality. This research examines settlement behavior in embankments on soft soil by a "Back Analysis" methodology, comparing actual field settlement data with predictive modeling outcomes derived from the finite element method (FEM). Field data and FEM simulations were evaluated to determine the precision of predictive models and their capacity to represent the intricate stress-strain behavior of soft soil. The findings underscore the necessity of combining field validation with sophisticated modeling tools to enhance predictive accuracy and guide effective construction and ground improvement methodologies. This study offers significant insights for engineers and politicians to guarantee the enduring performance and sustainability of toll road infrastructure.
THE EFFECT OF BOREHOLE COLLAPSE ON THE STABILITY OF GROUP PILE FOUNDATIONS Farahdiba, Farahdiba; Al Hanif, Basit; Setiawan, Andika; Nusyura Al Islami, Aulia
International Journal of Civil Engineering and Infrastructure Vol. 5 No. 1 (2025): IJCEI Volume 5 No. 1
Publisher : University Muhammadiyah Jakarta

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Abstract

The stability and load-bearing performance of pile group foundations are critical in infrastructure development, particularly in deep foundations such as bored piles. This study investigates the impact of borehole wall collapse on the load-bearing capacity and overall performance of a pile group foundation in North Jakarta, Indonesia. The borehole collapse occurred between depths of 25.2 m and 31.8 m, resulting in shortened pile lengths and reduced axial capacity. Subsurface investigations identified poorly graded sand (SP) within the collapsed zone, which contributed to borehole instability. Finite Element Method (FEM) analysis was performed to compare three scenarios: the original 48-meter design, the existing 22-meter condition post-collapse, and a redesigned pile group with additional piles. The 22meter design failed to meet the serviceability safety factor of 2.5, and several piles exceeded allowable limits. In contrast, the redesigned group fulfilled both bearing and displacement criteria, demonstrating improved structural performance. The findings emphasize the importance of design adaptation in response to construction anomalies to ensure the longterm safety and efficiency of deep foundations. keywords : Borehole Collapse, Pile Group Foundations, Bearing Capacity, FEM Analysis
Co-Authors Andika Setiawan, Andika Aripurnomo Kartohardjono Budiman Budiman Farahdiba Farahdiba Haryo Koco Buwono Nusyura Al Islami, Aulia Pratama, Andreas Raya Soerjatmodjo, Irnanda Satya Yuliansyah, Raka Mirza