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Ishak Ishak
Fakultas Teknik, Universitas Muhammadiyah Sumatera Barat
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering Social Sciences Other

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EVALUASI KINERJA STRUKTUR BANGUNAN DENGAN METODE PUSHOVER ANALYSIS PADA GEDUNG RUMAH SAKIT STROKE NASIONAL BUKITTINGGI Elvi Reyani; Ishak Ishak; Surya Eka Priana
Ensiklopedia Research and Community Service Review Vol 1, No 1 (2021): Vol. 1 No. 1 Oktober 2021
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

Earthquake phenomena are natural phenomena that greatly affect buildings, especially high-rise buildings. Planning of earthquake-resistant building structures is very important in Indonesia, considering that most of the area is located in earthquake areas with moderate to high intensity. Buildings in earthquake-prone areas must be designed to be able to withstand earthquakes. The latest planning trend is performance based seismic design, which utilizes computer-based non- linear analysis techniques to analyze the inelastic behavior of structures from various ground motion intensities (earthquakes), so that their performance can be known in critical conditions. Further action can be taken if it does not meet the required requirements. The purpose of this study was to determine the pushover analysis procedure to evaluate the performance of the building structure and to determine the pattern of the collapse of the building structure after being analyzed by pushover. This study uses the Static Pushover Analysis method with reference to the displacement coefficient method (FEMA 356, 2000). The lateral load used is the result of an equivalent static analysis which is carried out monotonically in one direction. Research shows that there are several conclusions. First, the displacement of the maximum pushover result (δmax) in the XZ direction, which is in step-7, is greater than the displacement target (δt), with a figure of 61541.4681 mm > 58.212 mm. Second, the displacement of the maximum pushover result (δmax) in the YZ direction, namely in step-5, is greater than the displacement target (δt), with a figure of 10450.54 mm > 58.212 mm. Third, the evaluation in the XZ direction is still safe even though max > t, because all beam elements in the portal appear plastic hinges with levels A-B which are still elastic, all marked in pink. The distribution of plastic hinges that occur at all steps shows that no structural member exceeds the performance limit so that it can be said that the performance of the structural component is in a safe condition. Fourth, the structural members in the YZ direction are also safe because max > t and the plastic hinge distribution scheme shows the structural members marked in pink with levels A-B. Keywords: pushover, non-linear, plastic hinge
EVALUASI SALURAN PRIMER D.I KOTO RAJO KABUPATEN PASAMAN Novia Hendra; Masril Masril; Ishak Ishak
Ensiklopedia Research and Community Service Review Vol 1, No 3 (2022): Vol. 1 No. 3 Jilid 2 Juni 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

Sungai mempunyai peranan yang sangat penting bagi kehidupan manusia. Salah satunya adalah seebagai sumber air yang dapat dimanfaatkan untuk memenuhi kebutuhan irigasi, penyediaan air minum, kebutuhan industri dan lain-lain. Kehidupan air bagi masyarakat semakin meningkat sehingga perlu dilakukan penelitian atau penyelidikan masalah pada Daerah Irigasi (D.I) Koto Rajo, Kecamatan Rao Utara, Kabupaten Pasaman, agar pemanfaatan dapat digunakan secara efektif dan efisien. Tipe saluran yang ditinjau adalah saluran primer, berdasarkan pengamatan lapangan ukuran saluran tersebut yaitu b1 100 cm, b2 1,05 cm dan h 105 cm untuk saluran yang direncanakan yaitu b1 90cm, b2 210 cm, dan h 90cm. Data topografi, data curah hujan, dan data lainnya dibutuhkan dalam perhitungan sehaingga didapatkan hasil perhitungan luas Chetment Area 375 Ha. Berdasarkan luas area persawahan yang dialiri D.I Koto Rajo, Kecamatan Rao Utara, Kabupaten Pasanan ± 113,5 Ha. Telah dilakukan perhitungan hujan rencana dengan tiga metode, Haspers, Gumbel, dan Logaritma, dengan hasil perhitungan untuk R5 tahun 2472 mm dan R10 tahun 3855 mm. Berdasarkan dimensi existing karena saluran yang ada dilapangan tidak memenuhi syarat karena nilai Q max m³/dtk lebih besar dari Q rencana m³/dtk, sehingga ketika terjadi banjir saluran tidak dapat menampung air dan meluap. Berdasarkan hasil perhitungan nilai Q rencana 54,55 m³/dtk lebih besar dari nilai Qmax 48,29 m³/dtk. Jadi dimensi saluran yang direncanakan dapat menampung debit curah hujan maksimal.Kata Kunci : Daerah Irigai, saluran,  curah hujan, Gumbel, Haspers, Logaritma.
ANALISIS PERENCANAAN STRUKTUR ATAS GEDUNG SOSIAL BUDAYA PADA KAWASAN ISLAMIC CENTRE KOTA PADANG PANJANG Alfa Hendra; Ishak Ishak; Elfania Bastian
Ensiklopedia Research and Community Service Review Vol 1, No 1 (2021): Vol. 1 No. 1 Oktober 2021
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

The City of Veranda of Mecca is the nickname for the City of Padang Panjang which can be interpreted as a road or gate to the City of Mecca. Along with the times, the nickname began to fade and experience a shift and even a decline in the understanding of Islam itself. Efforts to anticipate this, there is a desire to increase the religious values of the community by building an Islamic Center Area that is adequate and representative for a city scale with various supporting facilities needed, one of which is the Socio-Cultural Building in the Islamic Center Area of Padang Panjang City. The purpose of this research is to study and apply the planning aspects of high-rise buildings with reinforced concrete structures to be applied in a high-rise building construction design and to compare the dimensions and reinforcement in the planning with the results obtained from the author's analysis. At the time of doing the research the writer got some data such as column data, beams, floor slabs and other data from planners and data obtained directly by the author. In the data analysis method, the writer conducted a planning analysis and comparative evaluation of the structure of the Socio-Cultural Building in the Islamic Center area of Padang Panjang City using ETABS version 18 software. In terms of beam reinforcement, there are several significant differences. In the analysis of column calculations, in column K1 the dimensions and reinforcement become larger, column K2 has the same dimensions as the planner but the reinforcement is larger, columns K3 and K4 produce the same dimensions and reinforcement as the planning data. The calculation of the floor slab does not change, but in the calculation of the roof slab there is a difference between the thickness of the slab and the planning data. Keywords: Reinforced concrete structures, ETABS software, loading, reinforcement.
ANALISIS KAPASITAS RUANG PARKIR DI KANTOR BALAIKOTA PADANG PANJANG Fardilla Aini; Ishak Ishak; Yorizal Putra
Ensiklopedia Research and Community Service Review Vol 2, No 1 (2022): Vol. 2 No. 1 Jilid 1 Oktober 2022
Publisher : Lembaga Penelitian dan Penerbitan Hasil Penelitian Ensiklopedia

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Abstract

Masalah yang biasa terjadi di kota besar, daerah wisata atau suatu pusat kegiatan adalah kebutuhan ruang parkir. Kekurangan area parkir akan berdampak kepada terganggunya sistem jaringan transportasi terlebih lagi parkir merupakan bagian dari sistem transportasi itu sendiri. Tujuan dari penelitian ini adalah mengidentifikasi  permasalahan perparkiran di Kantor Balaikota Padang Panjang, mengetahui karakteristik parkir di Kantor Balaikota Padang Panjang, dan mengetahui besar kapasitas statis dan kapasitas dinamis ruang parkir Kantor Balaikota Padang Panjang.  Sehingga dapat mengetahui berapa besar kekurangan dari lahan parkir pada Balaikota Padang Panjang. Setelah dilakukan perhitungan dengan pendekatan Rumus Z Ruang parkir yang dibutuhkan yaitu sebesar 642 SRP, maka ruang parkir sepeda motor tidak memenuhi kebutuhan karena ruang Parkir yang tersedia hanya 213 SRP. Begitu juga dengan ruang parkir untuk mobil diperoleh sebesar 168 SRP, maka ruang parkir Mobil tidak memenuhi kebutuhan karena ruang Parkir yang tersedia hanya 33 SRP.Kata kunci: Ruang Parkir, Balaikota 
Co-Authors Alfa Hendra Elfania Bastian Elvi Reyani Fardilla Aini Novia Hendra S.T., M.T., Masril, Surya Eka Priana Yorizal Putra