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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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DAMPAK LONGSORAN KALDERA TERHADAP TINGKAT SEDIMENTASI DI WADUK BILI-BILI PROVINSI SULAWESI SELATAN Asrib, Ahmad Rifqi; J Purwanto, Yanuar; S, Sukandi; ,, Erizal
Jurnal Hidrolitan Volume 2 No. 3 Tahun 2011
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.99 KB)

ABSTRACTThis research aimed to study impact of caldera landslide at Jeneberang sub watershed to sedimentation rates in the Bili-Bili dam. The research was conducted based on field survey, caldera landslide at upstream and sedimentation rate in the Bili-Bili dam. The Result Showed that Jeneberang sub watershed dominated by steep areas topography is 10.080 ha (26.22%) and the closure of forested land is 12.250 ha (31.87%). Caldera landslide in 2004 caused sediment flow from upstream of Jeneberang watershed was 45,027,954 m3. Sabo dam as a sediment control along the Jeneberang upstream has function effectively. It was seen from the volume flow of sediment that can be controlled up to the year 2008 is 1,915,671 m3. Sedimentation rate before the event of landslide caldera, sediment deposited in Bili-Bili dam cumulatively is 8.376 million m3 (April 2001). Five years after the landslide sediment volume has reached 60.959 million m3 in 2008. Based on Trap efficiency showed that efficiency of Bili-Bili dam was decrease from 90.81% in 1997 to 73.34% in 2005, and then increased in 2007 (92.57%) and in 2008 decrease become 89.79%.

PERGERAKAN AIR IRIGASI BAWAH PERMUKAAN PADA TANAH LIAT YANG DIOLAH SECARA STRIP Y. I. Intara,; A. Sapei,; Erizal ,; E. N. Sembiring,; M. H.B. Djoefrie.
Teknotan: Jurnal Industri Teknologi Pertanian Vol 7, No 1 (2013)
Publisher : Fakultas Teknologi Industri Pertanian

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Karakteristik pergerakan air bawah permukaan penting diketahui untuk menjelaskan efektivitas pemberian air melalui irigasi bawah permukaan untuk memenuhi kebutuhan air tanaman di atasnya. Kajian dilakukan pada tanah liat yang telah diolah secara strip untuk menganalisis pergerakan air dan memformulasikan model mathematiknya. Metode analisis deskriptif digunakan untuk, pertama, menentukan karakteristik air tanah dan kedua, untuk mengetahui pengaruh penambahan bahan organik terhadap pergerakan air. Untuk itu digunakan sebuah pengontrol mikro sebagai penghubung jejaring elektronik (AT89852). Hasil Kinerja irigasi menunjukkan pembasahan efektif hanya dapat dikembangkan dengan lintasan pengairan irigasi yang pendek < 5 m, yang cocok untuk diterapkan pada pengelolaan lahan subsistem atau perbaikan bentuk tradisional. Analisis statistik menunjukkan bahwa tidak terdapat interaksi antara perlakuan bahan organik dan pemberian air, namun bahan organik berpengaruh nyata terhadap pertumbuhan tanaman cabai dan pemberian air tidak berpengaruh nyata terhadap pertumbuhan tanaman cabai. Pola sebaran kadar air pada pengukuran menggunakan aparatus uji menunjukkan pola model kontur dari program simulasi sebaran kadar air pada strip olah tanah minimal. Kata kunci: irigasi bawah permukaan, pergerakan air, model matematik, penghubung elektronik AT89852

Tingkat Tingkat Kematangan Sistem Informasi Manajemen Aset (SIMA) Institut Pertanian Bogor Versi Beta Menggunakan Cobit 4.1: Maturity Level Asset Management Information System (SIMA) IPB University Beta Version Using Cobit 4.1 Hasan Firdaus; Erizal Erizal; Irman Hermadi
Jurnal Aplikasi Bisnis dan Manajemen (JABM) Vol. 6 No. 2 (2020): JABM Vol. 6 No. 2, Mei 2020
Publisher : School of Business, Bogor Agricultural University (SB-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17358/jabm.6.2.416

Inadequate asset management in non-profit organizations, in this case, Higher Education (PT), will harm the value of the potential benefits that can be obtained from those assets. SIMA IPB is the application of Information Technology (IT) which is expected to be able to support the achievement of accountability in the environment of IPB. In this research, the maturity level analysis of SIMA IPB uses the Framework of Control for Information and Related Technology 4.1 (COBIT 4.1), which is one of the tools used to see existing IT governance. COBIT has four domains, namely Plan and Organization (PO), Acquisition and Implementation (AI), Delivery and Support (DS), and Monitoring and Evaluation (ME). The results of this study were carried out in the PO, AI, DS and ME framework domain based on the maturity level of the COBIT 4.1 framework illustrated in the spider chart. The results found that the level of IT maturity in SIMA IPB Beta Version at Level 4 (managed) with an average maturity index (PO, 3.66), (AI, 3.39), (DS, 3.59), (ME, 3.54), and the gap value (gap) with an average value of 0.84, for the PO domain at level 4 (managed), AI domain level 3 (defined), DS level 4 (managed) domain and ME level 4 (managed) domain. Keywords: COBIT, maturity level, SIMA, information technology

Evaluasi Struktur Gedung X di Jakarta Berdasarkan SNI 03-1726-2012 Ketahanan Gempa untuk Struktur Gedung Sayed Ahmad Fauzan; , Erizal; Asep Sapei
Jurnal Teknik Sipil dan Lingkungan Vol. 3 No. 1: April 2018
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Earthquake risk in Jakarta is one of intermediate category in Indonesia based on the 2010 seismic hazard map published by the Ministry of Public Works of Republic Indonesia. The purpose of this research was to know the ultimate performance limit of the existing X building in Jakarta. Evaluation of these building was based on guidelines SNI 03-1726-2012, SNI 03-2847-2013 and PPPURG 1987. The structure model of X building was designed and analyzed using ETABS Version 9.7.2. The result showed value of story drift was affected by dynamic response spectrum load, the maximum drift in x–direction is 68.60 mm and y–direction is 101.2 mm. The X building was declared unsafe in performance condition of the ultimate limits. It was important to know the condition of the building that would be affected by earthquake load and to prevent collapse of the building structures that could cause loss of live people in the building and the collisions between buildings. Keywords : building, earthquake, respon spectrum analysis, story drift.

Analisis Perencanaan Tebal Perkerasan Jalan Pada Proyek Pembangunan Jalan Tol Bogor - Ciawi – Sukabumi Fikali Maklas; Erizal Erizal
Jurnal Teknik Sipil dan Lingkungan Vol. 4 No. 2: Agustus 2019
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Kegiatan sehari - hari manusia saat ini tidak dapat terlepas dari mobilisasi. Jalan adalah sarana transportasi darat yang paling banyak digunakan oleh masyarakat untuk melakukan mobilitas keseharian, sehingga volume kendaraan yang melewati ruas jalan ini harus bisa didukung oleh perkerasan jalan pada ruas jalan yang dilewatinya. Perkerasan jalan dalam kondisi baik akan membuat arus lalu - lintas lancar. Berdasarkan hal tersebut maka perlu adanya penelitian tentang kekuatan dari perkerasan jalan. Penelitian ini bertujuan untuk menghitung kekuatan dari jalan tol Bogor - Ciawi - Sukabumi dan membandingkannya dengan jalan lain. Analisis dilakukan dengan mengacu pada peraturan AASHTO 1993 dan SNI Pd T-14-2003 tentang perencanaan perkerasan jalan beton semen. Berdasarkan perhitungan, didapat kekuatan Jalan Tol Bogor - Ciawi - Sukabumi sebesar 62.525.083 ESAL. Dengan demikian Jalan tol Bogor - Ciawi - Sukabumi direncanakan untuk menahan beban gandar kumulatif 510.204.680 ton selama 20 tahun umur rencana. Mengacu pada SNI Pd T-14-2003 Jalan Tol Bogor - Ciawi - Sukabumi sudah sesuai untuk dibuat dengan perkerasan kaku. Kekuatan Jalan Tol Bogor - Ciawi – Sukabumi lebih besar jika dibandingkan dengan Jalan Tol Jakarta – Cikampek.Kata kunci: AASHTO 1993, jalan tol, perkerasan kaku, tebal perkerasan

Analisis Kinerja Rencana Bundaran dengan Pendekatan Simulasi Mikro Tri Sudibyo; Erizal Erizal; Purwo Mahardi; Muhammad Fauzan; Heriansyah Putra
Jurnal Teknik Sipil dan Lingkungan Vol. 4 No. 3: Desember 2019
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Urban road network typically consists of many intersections which commonly lead to traffic problems. In relatively low traffic, a simple priority intersection will be sufficient and lead no traffic problem without necessarily implement traffic lights, roundabout or others. In an urban area where traffic demands are high, intersections need to be treated with an accurate traffic engineering approach. There are many different approaches to reduce the traffic problem in intersection including traffic light, roundabout, or interchange. Cimahpar Raya street and Indobaso intersections are urban areas in Bogor city with the high demand for transportation and often having a congestion problem in peak hour. The Office of Public Works and Spatial Planning (PUPR) of Bogor city plans to develop and change the Indobaso intersection to be a roundabout, while also increasing the lane width of the approaching roads. This study was conducted to assess the performance changes of the Indobaso intersection improvement by developing a traffic model of the intersection. The planned roundabout and lane width improvement significantly reduce the traffic delays by 90,07%, reduce travel time by 51,76%, improve average speed by 83,77%, and reduce the traffic density by 88,54% compared to the current condition of the intersection which lacks required lane road width and maneuver area.Key words: urban road, intersection, traffic model

Analisis Kinerja Waktu dan Penerapan Building Information Modeling pada Proyek Pembangunan Jasmine Park Apartment Bogor: Time Schedule Analysis and Building Information Modeling Application on Jasmine Park Apartment Bogor Ahmad Ulil Albab; Erizal
Jurnal Teknik Sipil dan Lingkungan Vol. 6 No. 1: April 2021
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.6.1.11-22

Increasing of certainly development requires jobs with high productivity, effectiveness and efficiency. The application of BIM up to four-dimensional modeling (4D) using Tekla Structure software is a solution because it can analyze time performance, determine the causative factors in the event of delays and actions to overcome them. 3D modeling included modeling of foundations, columns, beams, slabs, stairs, and roofs. 4D modeling is conducted by adding work schedule to the 3D modeling that had been made. Time performance analysis was performed using the S-curve method for all buildings in Tower Green Jasmine Park Apartment Bogor construction project. Time performance analysis using the S curve found that this project experienced delays with the highest negative deviation value happened in June 2020 by -13.67%. The main delays in the project occured in procurement of MEP logistics and weather conditions. Work acceleration is carried out by increasing working hours and increasing the number of workers.

Analisis Kekuatan Struktur Bangunan Dermaga Kayu di Babo Teluk Bintuni, Papua Barat: Analysis of the Structural Strength of a Wooden Pier in Babo Teluk Bintuni, West Papua Adan Kamarudin; Erizal
Jurnal Teknik Sipil dan Lingkungan Vol. 6 No. 2: Agustus 2021
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.6.2.81-96

Analysis of structural strength to the conditions of the jetty Port Babo of Teluk Bintuni, West Papua is important to ensure the stability of the against external loads and forces. The purpose of this research is to analyse and evaluate the strength of structures, as well as assess the durability of jetty structures. Modeling using the SAP2000 program corresponds to as built drawing. The results of the calculation of the working load include dead loads, live loads, ship berth, ship mooring force, current force, wave force, and earthquake force. Energy due to ship collision loads and vessel berthing force can be reduced using a fender designed using rubber fenders seibu V300H. The results of the structural analysis show that the number of combined variants is sufficient up to the shape mode 12. The dynamic earthquake shear forces in the x and y directions are still smaller than the static shear forces, so it needs to be multiplied by a scale factor of 2,9. The deviation that occurs in the structure is still smaller than the allowable deviation of 350 mm. Beams are designed using reinforcement with diameter 22 mm and 25 mm. The stress ratio value at the pile meets the pile capacity. It can be said that overall the Babo Teluk Bintuni wharf is safe from the working load.

Ecobrick Sebagai Solusi Dinding Nonstruktural Ramah Lingkungan: Ecobrick As an Eco-friendly Nonstructural Wall Solution Fazrina Andriani Sakinah Lubis; Erizal
Jurnal Teknik Sipil dan Lingkungan Vol. 6 No. 2: Agustus 2021
Publisher : Departemen Teknik Sipil dan Lingkungan, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.6.2.97-106

Population growth increased in the need for dwelling which impacted to high demand for bricks. However, bricks have a negative impact on the environment due to the materials and the production prosses. Population growth also effected an increase amount of plastic waste that has a risk to the health and environment. This research aimed to analyze the compressive and flexural strength of brick and ecobrick (PET bottle filled with plastic waste) wall, to know degree of difference in strength between both wall, and to compare the cost of making the wall. This research was started from preparation, manufactured, cured, and tested the specimens. The cost analysis refers to the Bogor district in 2019. The result was obtained compressive strength of brick is higher than ecobrick, which is brick 2,38 MPa and ecobrick 1,31 MPa. Flexural strength of ecobrick is higher than brick, which is ecobrick 1,23 MPa and brick 1,18 MPa. T-test show that compressive strength both wall is significantly different, while the flexural strength both wall is not significantly different. The cost of making ecobrick walls is 20% cheaper than brick walls.

Pengaruh Pola Anyaman terhadap Perilaku Lentur Textile Reinforced Concrete (TRC) dengan Perkuatan Serat Rami: The Effect of Woven Patterns on Flexural Behaviour of Textile Reinforced Concrete (TRC) with Ramie Fiber Reinforcement Arief Budiman; Erizal
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.6.3.205-220

The demand of concrete has increased in Indonesia. A reinforced concrete innovation being developed is Textile Reinforced Concrete (TRC). Ramie fiber has great potential to be used as a construction material because it has advantages over other natural fibers, such as tensile strength properties. The research aims to analyzed flexural behaviour of Ramie fiber TRC. This research was conducted from February until June 2021 at IPB University. The research was carried out through several stages, that are testing of TRC materials, mix design, weaving and coating ramie fiber, manufacturing and curing test objects, and testing. The flexural behavior analyzed flexural strength, stiffness, ductility, and crack behavior. Ramie fiber reinforcement can improve the elasticity and ductility of mortar plates. However, woven ramie fiber with a certain woven pattern can reduce flexural strength. Coating ramie fiber with Unsaturated Polyester Resin (UPR) provides an increase in flexural strength, elastic properties, and ductility. Phases of crack behaviour of UPR-coated are uncracked, crack formation, crack stabilization, and failure. The woven pattern that produces the highest flexural strength is the two-axis woven pattern for UPR-coated ramie, which is 7.84 MPa.

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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