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All Journal Jurnal Rekayasa Sipil dan Desain Jurnal Informatika dan Teknik Elektro Terapan Jurnal Darma Agung Jurnal Konstruksi Organisms: Journal of Biosciences Indonesian Journal of Environment and Sustainability Issues Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Nemui Nyimah
M Rizky Ismail
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences Veterinary Other

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Analisis Perhitungan Daya Dukung Pondasi Footplate dengan Menggunakan PHP script M Rizky Ismail; Setyanto Setyanto; Ahmad Zakaria
Jurnal Rekayasa Sipil dan Desain Vol 3, No 3 (2015): Edisi September 2015
Publisher : Jurnal Rekayasa Sipil dan Desain

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Foundation as we know is part of construction. A purpose of this construction is to continue astructure load to the ground which can endure the load without settlement effect. In order toguarantee the building is on stable condition concerning from structure load or outer force like awind pressure, earthquake, etc and settlement which is more than permission limit unallowed. Toavoid unfunctional foundation structure, foundation must placed on the solid ground which canendure sttructure load without causing excessive settlement. In this era computer technologydevelop quickly. Part of that is programming using PHP script. Programming using script canmake some application to help us in our analyzing dan calculating proccess with interestingdesign , so we can operate it easily. And this program is using PHP script method . Basicallyanalyzing and calculating footplate manually can used up our time. Because on calculating thiswe use a complex method, we need program to analyze and calculate footplate foundation. Tomake a calculation simpler and quicker. Some of manual test result which are found by us ishaving 1% difference with the program. So we consider this program is able to calculate thefootplate foundationKeywords : foundation, footplate, PHP
ANALISIS STRUKTUR KOLOM TAHAN GEMPA PADA BANGUNAN 4 LANTAI UNIVERSITAS GARUT Anugriansyah, Anggry; Ismail, M. Rizky; Zain, Alfath
JURNAL DARMA AGUNG Vol 32 No 4 (2024): AGUSTUS
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Darma Agung (LPPM_UDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46930/ojsuda.v32i4.4633

Abstract

Tujuan penelitian yang digunakan adalah mengidentifikasi struktur gedung tidak beraturan yang ditinjau berdasarkan displacement, drift ratio, dan base shear.Metode yang digunakan untuk perhitungan beban gempa adalah statik ekuivalen dan respon spektrum sni 1726:2019. Tinjauan dari analisa ini meliputi, simpangan antar tingkat struktur dan gaya dalam maksimum pada elemen elemen struktur. Metode yang digunakan pada analisa ini adalah analisa statik ekuivalen dan analisa dinamik respons spektrum. Hasil pada analisa ini menunjukkan bahwa nilai simpangan pada arah x dan arah y tidak berbeda jauh antara hasil pada analisa statik ekuivalen dan analisa respon spektrum. Dimana nilai simpangan antar tingkat dari hasil kedua analisa tersebut baik pada arah x dan y tidak ada yang melebihi nilai simpangan antar tingkat izin. Penelitian ini melakukan perbandingan analisis beban gempa statik dengan metode analisis linear dengan mengambaikan fase plastis gedung sehingga tidak diketahui pengaruh pembebanan pada gedung saat gempa melebihi fase plastis struktur. Untuk itu pada penelitian selanjutnya dapat dilakukan penenelitian serupa dengan menggunakan metode nonlinear analisis.
Analisis Struktur Balok Tahan Gempa pada Bangunan Gedung Asrama IAI An Nur Lampung Yudhatama, Aldi; Zain, Alfath; Ismail, M. Rizky
Jurnal Konstruksi Vol 23 No 1 (2025): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.23-1.2090

Abstract

Indonesia is one of the countries with a high earthquake risk, because it is located on the Pacific Ring of Fire, precisely at the intersection of three large tectonic plates. The object of this study is a three-story dormitory building that accommodates many students, so structural reinforcement is needed so that they can save themselves when a disaster occurs. The purpose of this study is to analyze earthquake-resistant beams according to the SNI 1726:2019 reference, so that the beam enlargement is obtained from the initial dimensions of 25 x 50 cm to 40 x 50 cm due to earthquake loads. The longitudinal reinforcement requirements for the supports are 3D19, 2D13, 3D19, while for the field it is 3D19, 2D13, 3D19. For stirrup reinforcement, 2D13 - 100 are needed at the supports and 2D13 - 150 in the field, all of which meet the requirements for flexural, shear, and torsion capacity according to SNI 1726:2019. However, this abstract does not highlight the uniqueness of the research, such as the specific approach taken to meet the requirements of SNI 1726:2019, as well as innovations in research methods or results. In addition, the details of the results are not specific, especially regarding the direct impact of changes in beam dimensions on building safety. The addition of quantitative information, such as structural efficiency or increased flexural and shear capacity, would provide a clearer picture of the contribution of this research to building safety.
Sustainability Analysis of Beneficiaries of the Latrine Program Assistance in Pekon Negeri Ratu Ngabur Ismail, M Rizky; Ardianti, Indah Marlina; Oktarina, Depi; Pawhestri, Suci Wulan
ORGANISMS: JOURNAL OF BIOSCIENCES Vol. 4 No. 2 (2024): Organisms: Journal of Biosciences
Publisher : Pusat HKI, Paten, dan Publikasi Ilmiah Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/organisms.v4i2.24493

Abstract

Sustainable Development Goals (SDGs) are a global long-term program aimed at optimizing all potentials and resources possessed by each country. The latrine program is a derivative of the 6th SDG, which focuses on clean water and proper sanitation. Sanitation remains a public and global issue that still requires government attention. This research aims to analyze the achievement of the latrine program indicators in Pekon Negeri Ratu Ngambur and to understand the changes in healthy living behaviors among the community after the latrine program. This research employs a descriptive qualitative method with a sampling technique called purposive sampling, consisting of 17 samples, including 7 supporting samples and 10 core samples. Data collection involved document studies, interviews, observations, and documentation, with data management steps including data collection, data reduction, data presentation, data verification, and conclusion drawing. The research results show that 12 indicators of the healthy latrine program were achieved 70% overall, while 30% were not achieved. After the program was implemented by the village government, the community experienced improved cleanliness and comfort in their lives. The latrine sustainability provided by the village government to underprivileged residents is still being used in daily life, where economic factors also directly drive the sustainability of latrine development in terms of facility additions and improvements. The changes in healthy living behaviors among the community post-latrine program include greater concern for health and environmental cleanliness to prevent diseases like diarrhea. The ownership of latrines has successfully changed the community's behavior from open defecation to using healthy latrines, resulting in improved community health levels.AbstrakTujuan Pembangunan Berkelanjutan (SDGs) adalah program jangka panjang global yang bertujuan untuk mengoptimalkan semua potensi dan sumber daya yang dimiliki oleh setiap negara. Program jamban adalah turunan dari SDG ke-6, yang berfokus pada air bersih dan sanitasi yang layak. Sanitasi tetap menjadi isu publik dan global yang masih memerlukan perhatian pemerintah. Penelitian ini bertujuan untuk menganalisis pencapaian indikator program jamban di Pekon Negeri Ratu Ngambur dan memahami perubahan perilaku hidup sehat di kalangan masyarakat setelah adanya program jamban. Penelitian ini menggunakan metode deskriptif kualitatif dengan teknik pengambilan sampel purposive sampling, yang terdiri dari 17 sampel, termasuk 7 sampel pendukung dan 10 sampel inti. Pengumpulan data melibatkan studi dokumen, wawancara, observasi, dan dokumentasi, dengan langkah-langkah pengelolaan data meliputi pengumpulan data, reduksi data, penyajian data, verifikasi data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa 12 indikator program jamban sehat tercapai sebesar 70% secara keseluruhan, sementara 30% belum tercapai. Setelah program ini diterapkan oleh pemerintah desa, masyarakat merasakan peningkatan kebersihan dan kenyamanan dalam hidup mereka. Keberlanjutan jamban yang disediakan oleh pemerintah desa kepada warga kurang mampu masih digunakan dalam kehidupan sehari-hari, di mana faktor ekonomi juga secara langsung mendorong keberlanjutan pembangunan jamban dalam hal penambahan dan perbaikan fasilitas. Perubahan perilaku hidup sehat di masyarakat pasca-program jamban mencakup kepedulian yang lebih besar terhadap kesehatan dan kebersihan lingkungan untuk mencegah penyakit seperti diare. Kepemilikan jamban berhasil mengubah perilaku masyarakat dari buang air besar sembarangan menjadi menggunakan jamban sehat, yang berdampak pada peningkatan tingkat kesehatan masyarakat.
OPTIMASI INJEKSI OKSIGEN TERHADAP PERFORMA SISTEM BIO-SCRUBBER PADA PEMBANGKIT LISTRIK TENAGA BIOGAS (PLTBG) MENGGUNAKAN LINEAR PROGRAMMING Fahrur Riza Priyana; Muhammad Fikri; M. Rizky Ismail; Ubaidah
Jurnal Informatika dan Teknik Elektro Terapan Vol. 13 No. 3 (2025)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v13i3.7535

Abstract

Konversi biogas menjadi energi listrik pada Pembangkit Listrik Tenaga Biogas (PLTBg) melalui beberapa tahap, salah satunya proses desulfurisasi biogas didalam Bio-Scrubber, yaitu mekanisme injeksi oksigen untuk mereduksi Hidrogen Sulfida (H2S) dengan menggunakan mikroorganisme pengoksidasi sulfur. Namun injeksi oksigen tanpa porsi yang tepat akan memicu campuran eksplosif yang membahayakan bagi operasional Pembangkit Listrik Tenaga Biogas (PLTBg). Risiko korosif juga akan memberikan dampak buruk bagi seluruh komponen mesin gas apabila proses desulfurisasi biogas tidak dilakukan secara tepat. Namun injeksi oksigen yang berlebih juga akan berdampak pada pengurangan ekstrem terhadap konsentrasi metana dalam biogas. Penelitian ini memodelkan optimasi pengaturan injeksi oksigen yang tepat dengan setiap kendala dan syarat yang berlaku pada operasional Pembangkit Listrik Tenaga Biogas (PLTBg) menggunakan Linear Programming. Simulasi optimasi diujicobakan dengan menggunakan data parameter operasional Pembangkit Listrik Tenaga Biogas (PLTBg) 1.5MW yang berlokasikan di Lampung Tengah. Hasil simulasi menunjukkan bahwa pengaturan injeksi oksigen sebsar 1.94% mampu mencapai reduksi Hidrogen Sulfida (H2S) sebesar 100ppmv dan memenuhi syarat operasional proses pengolahan biogas menjadi bahan bakar dalam Pembangkit Listrik Tenaga Biogas (PLTBg).
Development of Early Warning Systems and Structural-Non-Structural Strategies for Flood Management in Urban Industrial Area Ashruri; Tri Budi Wibowo; Ismail, M Rizky; Ahmad Zakaria; Muhammad Haviz
Indonesian Journal of Environment and Sustainability Issues Vol. 2 No. 1 (2025): June 2025 | Indonesian Journal of Environment and Sustainability Issues
Publisher : WISE Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70211/ijesi.v2i1.196

Abstract

This study aims to develop a holistic flood mitigation framework for the Jababeka Industrial Estate, a region increasingly affected by flooding due to accelerated land-use changes, diminished infiltration capacity, and insufficient drainage systems. The research integrates both structural and non-structural components, including the conceptualization of a real-time early warning system tailored for industrial urban environments. The methodology involved a detailed hydrological evaluation based on a decade of rainfall records collected from three meteorological stations. These data underwent consistency assessments using RAPS, trend analysis, and outlier detection, followed by the calculation of regional average rainfall through the Thiessen polygon method. Statistical distributions were applied to generate design rainfall values for return periods of 2 to 100 years, and flood discharges were estimated using four synthetic unit hydrograph (SUH) models: Snyder, Nakayasu, GAMA I, and ITB. Simulation of flood scenarios was conducted with the HEC-HMS platform, and field assessments were used to identify critical infrastructure deficiencies. The analysis revealed high-risk areas requiring structural upgrades such as river channel improvements, the addition of retention basins, and enhanced pumping systems. Additionally, the study proposes a sensor-integrated early warning mechanism capable of transmitting automatic alerts to stakeholders. The integrated strategy demonstrated here offers a scalable and transferable model for climate-resilient flood management, particularly relevant for rapidly urbanizing industrial zones facing intensifying hydrometeorological threats due to climate change and unregulated development.
Drought Assessment Using the Standardized Precipitation Index and Its Association with Climate Anomalies in Kotabumi, West Lampung Ismail, M Rizky; Bogireddy, Chandra; Ofrial, Siti Anugrah Mulya Putri; Tiara
Indonesian Journal of Environment and Sustainability Issues Vol. 2 No. 1 (2025): June 2025 | Indonesian Journal of Environment and Sustainability Issues
Publisher : WISE Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70211/ijesi.v2i1.215

Abstract

This study assesses drought patterns in Kotabumi, West Lampung, Indonesia, using the Standardized Precipitation Index (SPI) at 1-month, 3-month, and 12-month time scales to analyze meteorological, seasonal, and hydrological droughts from 1999 to 2017. The research also explores the relationship between drought severity and global climate anomalies, particularly El Niño and La Niña (ENSO) events. Results show that short-term droughts commonly occur during the dry season (July–October), with several months experiencing extreme drought (SPI < -2.0), such as March 2016 and May 2017. Seasonal droughts, captured through SPI-3, revealed more persistent dry periods primarily in the second half of the year. Long-term analysis suggests that years like 2002, 2006, 2015, and 2016 were marked by sustained rainfall deficits. A clear correlation was found between SPI values and ENSO phases: El Niño years were associated with negative SPI values indicating drought, while La Niña years generally exhibited positive SPI values indicating wetter conditions. These findings demonstrate the effectiveness of SPI in drought monitoring and its utility in developing early warning systems and climate adaptation strategies in drought-prone regions.
Membangun Masyarakat Tangguh Bencana Melalui Kegiatan Sosialisasi Sadar Bencana Dan Geowisata, Pekon Air Abang, Kec. Ulu Belu, Tanggamus Destawan, Ridho; Kurniawan, Andri; Hanif, Irfan; Ismail, Muhammad Rizky
Nemui Nyimah Vol. 4 No. 2 (2024): Nemui Nyimah Vol.4 No.2 2024
Publisher : FT Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/nm.v4i2.150

Abstract

The landslide disaster that occurred in Pekon Air Abang and Datarajan, Ulu Belu District, Tanggamus Regency on Friday 24 May 2024 evening has resulted in losses in the form of lives and material. The landslide resulted in a shack being buried under landslide material, causing one victim to be injured and another resident has not been found. Materially, the landslide disaster caused access to the main link from Talang Padang District - Ngarip District to be cut off so that the economy and logistics supplies were disrupted. Apart from that, landslides have caused residents' plantation land to be converted into unproductive land. This research aims to improve and optimize disaster mitigation and geotourism potential in the area through landslide disaster awareness outreach activities, replanting trees, and opening the Asmara Waterfall tourist access route. The result of service activities at Pekon Air Abang is high public awareness regarding disaster mitigation as seen in their participation and enthusiasm in tree planting activities and the opening of the Asmara Waterfall tourist route. Apart from that, Pekon Air Abang has become a target village for further service activities towards a disaster resilient community through education and literacy.
ANALISIS PENGARUH ANOMALI IKLIM TERHADAP CURAH HUJAN DI PROVINSI BENGKULU Ismail, Muhammad Rizky; Zakaria, Ahmad; Susilo, Gatot Eko
REKAYASA: Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol. 24 No. 1 (2020)
Publisher : Jurusan Teknik Sipil Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/rekrjits.v24i1.11

Abstract

Propinsi Bengkulu adalah salah satu daerah di Indonesia yang dipengaruhi oleh anomali iklim, diantaranya adalah bencana banjir dan kekeringan. Dengan demikian, diperlukan penelitian untuk mengetahui pengaruh  anomali iklim terhadap curah hujan di Propinsi Bengkulu. Tujuan penelitian ini adalah untuk mengetahui: daerah yang dominan terpengaruh oleh anomali iklim, perulangan anomali iklim dan kecendrungan pertum-buhan anomali iklim di Propinsi Bengkulu. Metode yang digunakan adalah metode fast fourier transform (FFT) dan lomb periodogram. Hasil penelitian  menunjukkan periode frekuensi dominan adalah perulangan 2,8 tahun untuk FFT, sedangkan lomb periodogram adalah 3,8 – 4,4 tahun. Hasil analisis FFT menunjukkan nilai amplitudo dari data BMKG adalah 1,2 mm2-3,4 mm2, sedangkan dari  data TRMM nilai amplitudo adalah 0,1 mm2 – 0,6 mm2. Dengan menggunakan metode lomb periodogram didapatkan nilai amplitudo 2,5 mm2 – 25 mm2 dari data BMKG dan dari data TRMM diperoleh amplitude sebesar 0,28 mm2- 0,37 mm2. Kesimpulan dari hasil penelitian ini adalah anomali iklim yang berpengaruh menurut hasil FFT  adalah IODM  dengan perulangan 2,8 tahun, sedangkan dari lomb periodogram yang berpengaruh adalah ENSO dengan perulangan 3,8 – 4,4 tahun. Disimpulkan pula bahwa daerah dominan terpengaruh oleh anomali iklim menurut data BMKG adalah Kepahiyang, sedangkan untuk TRMM adalah daerah Fatmawati dan Pulau Baai. Untuk kecenderungan pertumbuhan pengaruh anomali iklim, bahwa setiap stasiun kecuali Fatmawati BMKG, punya kecendrungan naik.
Co-Authors Ahmad Zakaria Ahmad Zakaria Alfath Zain ANDRI KURNIAWAN Anugriansyah, Anggry Ashruri Bogireddy, Chandra Destawan, Ridho Fahrur Riza Priyana Gatot Eko Susilo Hanif, Irfan indah marlina ardianti M. Haviz muhammad fikri Ofrial, Siti Anugrah Mulya Putri Oktarina, Depi Setyanto Setyanto Suci Wulan Pawhestri Tiara Tri Budi Wibowo Ubaidah Yudhatama, Aldi