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All Journal Jurnal Akademik Pengabdian Masyarakat Venus: Jurnal Publikasi Rumpun Ilmu Teknik Jurnal Rekayasa Teknologi Nusa Putra Darma Abdi Karya: Jurnal Pengabdian Kepada Masyarakat
Rita Mulyandari
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Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Social Sciences Other

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Journal : Jurnal Rekayasa Teknologi Nusa Putra

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Kurva Kerapuhan Seismik Pada Struktur Rangka Baja Berbasis Pushover Pramesta Praba Sumedi; Rita Mulyandari
Jurnal Rekayasa Teknologi Nusa Putra Vol 11 No 2 (2025): Agustus 2025
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/rekayasa.v11i2.654

Abstract

The potential for major earthquakes in Indonesia requires further analysis of multi-story buildings. This is so that when an earthquake occurs, the building structure is expected to be able to withstand it. One method of analyzing building structures is the pushover method. This method is often used in the analysis of multi-story buildings with less than 10 floors because the rigidity of the structure is still sufficient to support seismic loads. This study will evaluate the performance of steel frame building structures using the pushover method, which will then be converted into seismic fragility curves. The results of the pushover analysis on the building structure along the Y-axis axis can withstand a base shear force of 4400 kN, while along the Y-axis axis, it can withstand 3100 kN. The capacity curve output from the pushover will be converted into a capacity spectrum curve using the formula from ATC-40. The capacity spectrum curve will then be converted into a fragility curve.
Analisis Kualitas Air Sungai Code Menggunakan Metode Indeks Pencemaran sebagai Dasar Mitigasi Lingkungan yang Berkelanjutan di Yogyakarta Fithart Salman Fathrizky; Rita Mulyandari; Azri Novadli
Jurnal Rekayasa Teknologi Nusa Putra Vol 11 No 2 (2025): Agustus 2025
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/rekayasa.v11i2.657

Abstract

Sungai Code merupakan salah satu sungai strategis di Daerah Istimewa Yogyakarta yang memiliki peranan penting bagi masyarakat, namun menghadapi permasalahan serius akibat pencemaran air. Aktivitas domestik, pertanian, dan industri di sepanjang aliran sungai menyebabkan menurunnya kualitas air, yang semakin memburuk pada musim kemarau ketika debit sungai menurun. Penelitian ini bertujuan untuk menganalisis tingkat pencemaran Sungai Code dengan menggunakan metode Indeks Pencemaran berdasarkan data primer dan sekunder dari BLH DIY. Hasil perhitungan menunjukkan bahwa sebagian besar titik pengamatan berada dalam kategori cemar ringan hingga cemar sedang, dan beberapa titik sudah mencapai kategori cemar berat. Kondisi ini diperkuat dengan pengamatan visual yang menemukan banyak sampah, perubahan warna air, serta bau menyengat pada beberapa lokasi. Penelitian ini menekankan pentingnya pengendalian limbah, kebijakan pengelolaan terpadu, serta peningkatan kesadaran masyarakat untuk menjaga kualitas Sungai Code secara berkelanjutan.
Co-Authors Al Hakim, Hanif Izza Azri Novadli Dwi Suranto Fithart Salman Fathrizky Iksan Mahendra Novadli, Azri Pramesta Praba Sumedi Rochmadi, Tri Setiawan, M.Indra Yasin Qhadafi