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All Journal J-Sil (Jurnal Teknik Sipil dan Lingkungan) MEDIA KONSERVASI Jurnal Hidrolitan Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Teknotan: Jurnal Industri Teknologi Pertanian Teknik Mesin "TEKNOLOGI" Jurnal Keteknikan Pertanian Journal of Degraded and Mining Lands Management Rekayasa Sipil Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Aplikasi Bisnis dan Manajemen (JABM) E-Journal Jurnal Rekayasa Sipil Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Civil Engineering Dimension Jurnal Irigasi Jurnal Manajemen Aset Infrastruktur dan Fasilitas Jurnal Edukes: Jurnal Penelitian Edukasi Kesehatan Jurnal Teknik Mesin, Industri, Elektro dan Informatika International Journal of Economics and Management Sciences J-Sil (Jurnal Teknik Sipil dan Lingkungan)

Erizal ,

Departemen Teknik Sipil Dan Lingkungan IPB

Author-ID : 564736

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Analisis Kinerja Struktur pada Bangunan Bertingkat dengan Metode Analisis Respon Spektrum Berdasarkan SNI 1726:2019: Analysis of Structure Performance in Multistory Buildings with Response Spectrum Analysis Method Based on SNI 1726:2019 Muhammad Hilmi; Erizal; Joana Febrita
Jurnal Teknik Sipil dan Lingkungan Vol. 6 No. 3: Desember 2021
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.6.3.143-158

The issuance of SNI 1726:2019 indicates that the planning has passed a certain transition period so that the existing regulations will no longer apply. The planning that has been made for the Collaborative Research Center (CRC) buildings still uses the standards that were previously in place. This study aims to analyze the performance of structures in CRC buildings with spectrum response analysis methods based on SNI 1726:2019. The research method is carried out in several stages, starting from data collection, structure modeling, loading analysis, structure conformity analysis, and structure performance check. Modeling of CRC building structures is done based on the image of as built drawing contractors. Calculation of loading on building structures includes gravitational and lateral loads. The amount of mass participation obtained has been more than 90%, while the value of the period of structure and dynamic basic shear force has been controlled so that it meets the requirements in accordance with SNI 1726:2019. Based on the drift ratio value, the performance level of the CRC buildings is Immediate Occupancy (IO). The result of checking the influence of P-Delta obtained θ value does not exceed θmaks so that it can be categorized as safe.

Rekayasa Mesin Pengering Metoda Vakum dengan Suhu dan Tekanan Terkendali (Design of Vacuum Dryer with Controlled Temperature and Pressure) Muh. Sakti Muhammadiah; Budi Indra Setiawan; . Erizal; Leopold O. Nelwan; Naresworo Nugroho
Teknik Mesin "TEKNOLOGI" Vol 15, No 1 Apr (2012)
Publisher : Universitas Negeri Makassar

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The objective of this research was to design and construct a model of vacuum dryer under an environmental air pressure of less than 1 atm and test its performance. Drying is a method of reducing water content containing in a material from initial condition until desired final level. Vacuum drying is a method of drying that is still rarely used. This drying method has the advantage of reducing drying time using lower temperature and pressure compared to that of the conventional one commonly used. This research has resulted in such vacuum drying machine model with air temperature and pressure that can be controlled. Key words: dryer, vacuum, design, construction, control

PERENCANAAN GOLONGAN PEMBERIAN AIR UNTUK OPTIMASI PENYALURAN AIR MENGGUNAKAN ALGORITMA GENETIK Gani Soehadi; Bambang Pramudya; Setyo Pertiwi; Erizal .
Jurnal Keteknikan Pertanian Vol. 20 No. 2 (2006): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.020.2.%p

ABSTRACT This paper presents the improvement of block system planning of irrigation water in cikarang area for optimization of the irrigation water distribution by using Genetic Algorithm. A genotype representation of spatial allocation was proposed: a fixed-length genotype composed of four genes that represent spatial allocation determined by greedy algorithm. The process of optimizing genotype includes evaluation, selection, crossover, and mutation,. Evaluation process determined the fitness of the genotype based on the distance of water sources, availability of irrigation water, labor, mechines and delay of harvesting opertion of last-season crop. Several types of selection, crossover and mutation were tested to obtain the best processing sequence for optimizing the genotype. This approach was comared to a real block system problem determined by Perum Jasa Tirta II and the adventages of the approach were identified. Keyword: representasi, Algoritma Genetik, Irigasi

Rancang Bangun Sistem Scada (Supervisory Control And Data Acquisition) pada Instalasi Pengolahan Air Sungai Cihideung Institut Pertanian Bogor Agus Eko Handoko; Erizal .; Yudi Chadirin
Jurnal Keteknikan Pertanian Vol. 5 No. 2 (2017): JURNAL KETEKNIKAN PERTANIAN
Publisher : PERTETA

Abstract SCADA is a combination of telemetry and data acquisition. SCADA proceeding by means of accumulating some information and return back to center controlling, it is also implementing every analysis and necessary control through PID control system as a control parameter to SCADA input data system in this research. In designing PID control system it is needed the arrangement of P, I and D parameter in order to acquire output signal system to particular input system which has adjusted to necessity. The research was implemented on Water Treatment Plant in Bogor Agricultural University at Cihideung's area region. The NTU score as a starting operational data is necessary as a bench mark in PAC dose application which is obtained from the samples of morning and afternoon raw water and dose proportion is 75% for 14kgs PAC mixed with 200 Litre water within 30 NTU as the maximal treatment. 75% dose application can be imposed for 7 hours PAC usage. The result of research indicated that the variety of percentages value in PAC dose application delivered the advantage in operating of clean water processing installation particularly for PAC needed. Design Of SCADA System SCADA indicated the outcome of unit data acquirement on certain period to determine the PAC necessity in operating Water Treatment Plant. Abstrak SCADA merupakan kombinasi telemetri dan akuisisi data. SCADA mengumpulkan informasi dan mentransfer kembali ke pusat kendali serta melaksanakan setiap analisis dan kontrol yang diperlukan, melalui sistem kontrol PID sebagai parameter kontrol terhadap sistem masukan data unit SCADA pada penelitian ini. Dalam perancangan sistem kontrol PID yang perlu dilakukan adalah mengatur parameter P, I atau D agar tanggapan sinyal keluaran sistem terhadap masukan tertentu sesuai yang diperlukan. Penelitian dilakukan di instalasi pengolahan air bersih Institut Pertanian Bogor pada wilayah sungai Cihideung. Data awal operasional menunjukan untuk memberikan dosis PAC digunakan data acuan nilai NTU yang dilakukan dengan pengambilan sampel air baku pada pagi dan sore hari dengan nilai pemberian dosis 75% untuk 14kg PAC yang dicampur air 200 liter untuk perlakuan maksimal nilai 30 NTU. Pemberian dosis 75% tersebut berlaku untuk pengunaan PAC selama 7 jam. Hasil penelitian menunjukan bahwa variasi dalam nilai persentase pengunaan dosis PAC memberikan keuntungan dalam operasional instalasi pengolahan air bersih terutama untuk kebutuhan PAC. Rancang bangun sistem SCADA memberikan hasil dalam memperoleh data pada satuan waktu tertentu untuk menentukan kebutuhan PAC pada operasional instalasi pengolahan air.

EVALUASI STRUKTUR GEDUNG X DI JAKARTA BERDASARKAN SNI 03-1726-2012 KETAHANAN GEMPA UNTUK STRUKTUR GEDUNG Sayed Ahmad Fauzan; Erizal Erizal; Asep Sapei
Rekayasa Sipil Vol 4, No 2 (2015)
Publisher : Universitas Mercu Buana

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Wilayah Jakarta berada pada zonasi gempa menengah berdasarkan peta zonasi gempa 2010 yang dipublikasikan oleh Pusat Penelitian dan Pengembangan Pemukiman (PUSKIM), Kementrian Pekerjaan Umum. Tujuan penelitian ini adalah merekomendasikan perkuatan struktur pada eksisting gedung X di Jakarta, agar ketika gempa datang, struktur gedung tersebut tetap mampu memikul beban ultimit. Objek penelitian merupakan gedung kategori high rise building, memiliki jumlah lantai lebih dari 10, dibangun sebelum tahun 2010, berlokasi pada kelas situs tanah lunak dan secara visual terindikasi adanya kerusakan pada elemen struktur. Pemodelan struktur gedung X didesain dan dianalisis menggunakan program ETABS. Pembebanan gempa diberikan secara dinamik menggunakan prosedur analisis spektrum respons ragam. Hasil analisis story drift menunjukan bahwa gedung X dinyatakan aman terhadap kinerja batas ultimit yang telah dihitung berdasarkan pedoman gempa SNI 03-1726-2012. Nilai maksimum simpangan antar lantai pada gedung X untuk arah-x sebesar 68,60 mm dan arah-y sebesar 101,2 mm. Bagaimanapun, hasil analisis struktur pemodelan gedung X pada ETABS menunjukkan bahwa terdapat beberapa elemen balok dan kolom yang membutuhkan perkuatan struktur. Perkuatan elemen balok direncanakan menggunakan CFRP yang dihitung keamanannya berdasarkan pedoman ACI 440.2R-8 Perkuatan elemen kolom direncanakan menggunakan Concrete Jacketing yang dianalisis melalui section designer pada program ETABS dan dihitung keamanannya berdasarkan pedoman SNI 03-2847-2013.

EVALUASI KEAMANAN DAM JATILUHUR BERBASIS INDEKS RESIKO Avazbek Ishbaev; Nora H. Pandjaitan; - Erizal
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 4 No. 2 (2014): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.4.2.111

The dams have very important roles to agricultural activities. Especially, West Java with 240,000 hectares of agricultural land, needs a good dam structure that can be used sustainably. Jatiluhur dam in Purwakarta, West Java is one of big dams in Indonesia which has important rules not only for Purwakarta but also for Jakarta, Karawang and Bekasi residents. A study and observation about safety and dam stability is needed to prevent any damage. The purpose of this research were to identify parameters that influenced dam safety and to evaluate dam reliability based on index tools. Analysis was done using risk index tools. The result showed that the condition of the dam of Jatiluhur is still satisfied with indicators, "Idam"-750. The total index risk was 127.22 and the safety factor was 83.04 out of 100. Therefore, Jatiluhur dam could be classified as safe and no need for particular treatments. Jatiluhur dam can be operated in normal condition or abnormal condition with periodic monitoring. Keywords: dam safety, evaluation, Jatiluhur Dam, risk index tools

Evaluasi Aspek Green Building Pada Gedung Andi Hakim Nasoetion Rektorat IPB Erizal .; Yudi Chadirin; Iriani Mustika Furi
Jurnal Manajemen Aset Infrastruktur & Fasilitas Vol 3, No 2 (2019): Jurnal Manajemen Aset Infrastruktur & Fasilitas
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Saat awal pembangunan Gedung AHN Rektorat IPB pada tahun 1995, lembaga untuk menyelenggarakan kegiatan sertifikasi atau penilaian bangunan hijau belum ada. Green Building Council Indonesia baru didirikan tahun 2009. Hal tersebut menjadi dasar dalam penelitian ini untuk mengevaluasi gedung AHN berdasarkan GREENSHIP yang merupakan program dari GBCI untuk kegiatan sertifikasi bangunan hijau. Tujuan dari penelitian ini adalah untuk mengevaluasi penerapan green building di gedung AHN dengan melakukan assessment atau penilaian aspek green building berdasaarkan GREENSHIP GBCI untuk gedung terbangun versi 1.0, kemudian memberikan suatu rekomendasi perbaikan pada aspek green building yang belum tercapai dan terpenuhi, tanpa merubah struktural dan arsitektural gedung. Metode penelitian yang digunakan adalah metode assesment dengan melakukan pengukuran penilaian berdasarkan kriteria green building yang mengacu pada standar nasional GREENSHIP GBCI dengan sistem rating untuk gedung terbangun ver. 1.0. Hasil assessment terhadap enam aspek pada kriteria green building berdasarkan GREENSHIP GBCI untuk gedung terbangun ver. 1.0, gedung AHN berhasil mendapatkan total 55 poin nilai atau 47% dari maksimal 117 poin nilai. Sesuai dengan peringkat GREENSHIP GBCI, gedung AHN Rektorat IPB mendapatkan peringkat Perak.

An Original Testing Apparatus for Rapid Pull-Out Test Aprialdi, D.; Lambert, S.; Jenck, O.; , Erizal; Widyarti, M.
Civil Engineering Dimension Vol. 16 No. 2 (2014): SEPTEMBER 2014
Publisher : Institute of Research and Community Outreach - Petra Christian University

Pull-out test is commonly used to investigate the pull-out behavior of geotextile reinforcement embedded in soil. It is also used by different authors to propose interface friction angles values. Unfortunately these works mainly deal with cyclic loadings with reference to seismic action, which are believed to be different to the load exposed to reinforced earthworks due to lateral impacts. Therefore an original rapid pull-out test apparatus is proposed in this study. This article assess the proposed test method in addressing the rapid pull-out response of a geotextile embedded in soil. The testing apparatus allows investigating shear velocities within the range of 0.1 to 1.2 m/s. This test method seems promising in addressing the response of soil-geotextile interfaces under dynamic loadings. Nevertheless, improvements concerning the testing apparatus are still required. The loading system could be modified to avoid oscillations and specific equipment should be added to increase the normal stress.

Peningkatan Efisiensi dan Produksi Pangan dengan Pembangunan Sistem Irigasi Pipa di Tingkat Tersier M Yanuar J Purwanto; Erizal Erizal; Nova Anika
Jurnal Irigasi Vol 7, No 2 (2012): Jurnal Irigasi
Publisher : Balai Teknik Irigasi

Pipe Irrigation system can be one solution in improving irrigation efficiency. It will has impact on food production due to more planted areas. In addition, pipe irrigation can control distribution water effectively by installing measurement devices. Another advantage is the integration structure between pipe and farm road by setting pipe network system under the farm road, can be used for farm equipment and agricultural machinery operation. The purpose of this study were 1) To see the urgency of pipe irrigation in irrigated paddy field, 2) Find the benefit of integrated infrastructure development in the irrigated paddy field. This study located in the Cihea Irrigation System, Cianjur, West Java with total area 5484 ha. Adoption of integrated package infrastructure was evaluated and pipe irrigation was Constructed in Tertiery level. The stufy was conducted using a dynamic model. An dynamic simulation was done to evaluate rice production conditions (existing) and conditions with the construction of irrigation pipe. The results showed that if maintaining the existing infrastructures condition, food production will continue to decline from year to year due to lack of irrigation efficiency improvements and Cropping Intencity will also decrease due to conversion of productive land. However, the construction of irrigation pipe will increase rice production. Under the current model, Adoption of integrated infrastructure development in the Cihea Irrigation with pipe density about 50 m/ha will increase production by 22.19% by 2020.

Characteristics and factors affecting surface and shallow landslides in West Java, Indonesia Yulia Amirul Fata; Hendrayanto Hendrayanto; Budi Kuncahyo; Erizal Erizal; Suria Darma Tarigan
Journal of Degraded and Mining Lands Management Vol 10, No 1 (2022)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2022.101.3849

Bogor, Cianjur, and Sukabumi areas of West Java Province, Indonesia, are vulnerable landslide areas. This study analyzes the landslide characteristic and the factors affecting landslides. The analysis was carried out on 148 landslides from 415 of 2018-2020 landslides, which were selected purposively by considering the heterogeneity of soil, geology, slope classes, land use type, and accessibility of landslide locations. Landslide characteristics and factors affecting landslides were analyzed using frequency analysis and binary logistic regression. The results showed that the most dominant characteristics of surface and shallow landslides were the landslides characterized by slopes >45%, Quaternary geological period, Andisol soil type, agriculture land use type, the occurrence of rain, and absence of earthquake. The dominant factors affecting surface and shallow landslides are human activities in land use, soil properties, steep-very steep slopes, Inceptisol and Entisol soil orders, young rocks (Quaternary geological period), rainfall events, and high earthquake magnitude.

Co-Authors , Elfitra Desy Surya A. Sapei, Adan Kamarudin Agus Eko Handoko Ahmad Rifqi Asrib Ahmad Ulil Albab Allen Kurniawan Aprialdi, D. Arief Budiman Asep Sapei Avazbek Ishbaev Bambang Pramudya Budi Indra Setiawan Budi Kuncahyo Chusnul Arif E. N. Sembiring, Fata, Yulia Amirul Fazrina Andriani Sakinah Lubis Fikali Maklas Gani Soehadi Hadi Nasbey Hasan Firdaus Hendrayanto . Herry Suhardiyanto IBNUL QAYIM Irman Hermadi Jenck, O. Joana Febrita Kevin Philips Barakati Kudong Boro Seminar Lambert, S. Leopold O. Nelwan M Yanuar J Purwanto M. H.B. Djoefrie. Mark L. Sibag Muh. Sakti Muhammadiah Muhammad Fauzan Muhammad Halil Muhammad Hilmi Naresworo Nugroho Nora H. Pandjaitan Nova Anika Purwo Mahardi Putra, Heriansyah Rahmat Hidayat Rustam, Aswar Satyanto Krido Saptomo Sayed Ahmad Fauzan Sayed Ahmad Fauzan Sayed Ahmad Fauzan, Sayed Ahmad Sefta Mega Nurasih Setyo Pertiwi Sukandi S Sultono Sultono Suria Darma Tarigan Takeshi Katsumi Tri Sudibyo Widyarti, M. WINDU NUR AZZUKHRUF SIADARI Y. I. Intara, Yanuar Chandra Wirasembada Yayu Romdhonah Yudi Chadirin Yulia Amirul Fata

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