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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Abdimas Dewantara Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring Jurnal Rekayasa Konstruksi Mekanika Sipil Jurnal Pensil : Pendidikan Teknik Sipil Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Jurnal Abdi Insani Jurnal ComunitA Servizio Jurnal Rekayasa Teknik Sipil dan Lingkungan Asian Journal of Community Services (AJCS) Journal of Infrastructure Planning and Engineering Jurnal Abdimas Maduma
Sudarno P Tampubolon
Teknik Sipil, Universitas Kristen Indonesia (UKI), Jakarta
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Public Health Social Sciences Transportation Other

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Analisis Kerusakan Struktur Bangunan dan Manajemen Bencana Akibat Gempa Bumi, Tsunami, dan Likuifaksi di Palu Sudarno P Tampubolon; I Putu Ellsa Sarassantika; I Wayan Gede Suarjana
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 10 No 2 (2022): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Juli 2022)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v10i2.3263

Abstract

The strong column-weak beam is a design concept that needs to be implemented and considered in the planning of building structures (high-rise and low-rise buildings). Generally, structural failure occurs at beam-column joints. Such failure occurred due to the lack of attention to good and correct design concepts. The detailing of reinforcement for columns, beams, and beam-column connections has not yet fully implemented the SNI-2847-2019 standard which results in the reinforcement cannot withstand the combination of tensile, compressive, and shear forces that occur during an earthquake. In addition, the incomplete design of strong column-weak beam in building planning causes the building to fail in the column structure when receiving axial forces. The purpose of this study was to analyze the structural damage and the disaster management system applied during the earthquake in Palu. The research is carried out by investigation/survey methods on the study area as well as checking and recording the data about damage condition of buildings and conducting a hammer test (non-destructive test) to get the strength value of the concrete. Testing result showed the compressive strength value of the f’c concrete used is 20 to 48 MPa. In addition, the details of stirrups reinforcement are also not fully understood about their function on beams and columns, which results in the installation of stirrup reinforcement does not meet the criteria for bending angles of 90˚, 135˚, 180˚ and the addition of tensile and compressive reinforcement lengths. The high potential for earthquake hazard causes Palu and its surroundings tend to have an earthquake risk. For this reason, it is necessary to implement disaster mitigation for Palu region, which aims to reduce the number of casualties when natural disasters occur, both human and property loses.
Perbandingan Hasil Analisa Perhitungan Rangka Kuda-Kuda Kayu Dengan Menggunakan SAP-2000 dan Metode Titik Buhul Sudarno P Tampubolon
Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring Vol 5, No 1: September 2022
Publisher : Soegijapranata Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24167/praxis.v5i1.4443

Abstract

This research is a study that discusses the comparison of the results of the analysis of the calculation of the forces on the wooden framework using the Structure Analysis Program-2000 (SAP-2000) and method of joint. The value of each force of vertical bars, horizontal bars, tensile bars, and compression members at each point of the wooden framework will be calculated on three wooden framework spans with spans of 7m, 9m, and 11m. Comparison of the results of the calculation of the value of the rod force from the two methods will be compared to see the efficiency of the calculation analysis of the two methods. From the results of the calculation of the method of joint and the Analysis of Structure Analysis Program-2000 (SAP-2000) in calculating and analyzing the value of each vertical bar force, horizontal bar, tension member, and compression member, the difference between each rod force is at (0- 0.51) kg. This shows that the calculation analysis using the Structure Analysis Program-2000 (SAP-2000) is faster and more efficient in calculating each bar force.
ANALISA PERFORMA SEISMIC MERU (STRUKTUR BERTINGKAT PAGODA KHAS BALI): PRELIMINARY STUDY I Putu Ellsa Sarassantika; Ida Bagus Gede Parama Putra; Sudarno P Tampubolon; I Gede Dhana Putra Sanjaya
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 4 No. 1 (2023): Jurnal Rekayasa Teknik Sipil dan Lingkungan, APRIL ISSN 2722-0230 (Online)
Publisher : UKI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cen.v4i1.4817

Abstract

The Meru, a multi-tiered Balinese pagoda in Bali, Indonesia, is investigated for its earthquake-resistant properties in this study. Despite the fact that its upper tier is made of timber frames and panels, and its lower tier is made of masonry walls, the Meru has not suffered significant earthquake damage since its construction in 1968. This paper investigates the Meru's architectural form, structural system, building materials, and dynamic responses to seismic activity. The study focuses on an eleven-tier Meru in the Ulun Danu Batur Temple Kintamani Region, Bali Province, and investigates earthquake resistance using a 2-D Finite Element model and Nonlinear time history dynamic analysis method. The results show that the Meru can withstand the maximum credible earthquake for 2500 years, and the Meru's natural periods and modes have been determined. This study is a preliminary investigation into predicting and monitoring the Meru structure's behavior during earthquakes. To further validate the analysis model, future research could include experimental analysis of both individual components and the overall structure.
TINJAUAN PRODUKTIVITAS PEKERJA PADA DUA PROYEK SERTA FAKTOR YANG MEMPENGARUHINYA Fuk Jin Oei; Sudarno P Tampubolon; Chatarina Finella
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 4 No. 1 (2023): Jurnal Rekayasa Teknik Sipil dan Lingkungan, APRIL ISSN 2722-0230 (Online)
Publisher : UKI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cen.v4i1.4837

Abstract

Labor productivity is one of the critical success factors in a development project of construction services. This research to analyze the worker’s productivity on two projects undertaken by two contractors with different background. Labor Utilization Rate Value (LUR Value) is used in this study to determine the level of productivity of each worker. Meanwhile, to determine the factors which affect the labor’s productivity, factor analysis is used in this study supported the spread of questionnaire to the supervisors. It can be seen that the average level of worker productivity on rebar work in project A which has been undertaken by one of the foreign contractor was 71,4881% and LUR value for formwork workwas 74,3086%, while the project B which has been done by one of the BUMN contactors, LUR value on rebar work was 66,1528 % and on the formwork work was 72,5055 %. Of the same type of work, LUR value comparison shows that productivity of workers on the project A is higher. Meanwhile, factor analysis on the questionnaire shows that some factors which affect on project A are work method, work instructions, tools quality, group labor composition, working drawings, remunerations, area density of labor, labor skills, experience and teamwork. While, factors that affect labor productivity on the project B are expertise of labor, area density of labor, experience, group labor composition, work method, management and leadership skill, team work and tools quality. Keywords: productivity, labor utilization rate, productivity factor, labor, factor analysis
ANALISIS KINERJA BANGUNAN KETIDAKBERATURAN HORIZONTAL BERDASARKAN METODE RESPONS SPEKTRUM DAN TIME HISTORY (STUDI KASUS: GEDUNG SIMPANG TEMU MRT DUKUH ATAS JAKARTA) Steffy Catharina Rebeccha Simbolon; Sudarno P. Tampubolon; Agnes Sri Mulyani
Jurnal Pensil : Pendidikan Teknik Sipil Vol 12 No 3 (2023): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v12i3.37850

Abstract

Indonesia is geographically located in the Pacific Ring of Fire, Especially on Java Island, which has the densest infrastructure and population and is located between the Indo-Australian plate and the Eurasian plate, causing this area to have many active volcanoes and has a high potential for earthquakes. Therefore, it is necessary to pay the planned earthquake load in planning the building structure design to minimize losses due to the earthquake. This study aims to determine the structure's performance against safeguards, deviations between levels, and structural stability limits against earthquake loads and to review horizontal structural irregularities based on SNI 1726: 2019 regulations in existing buildings at the Simpang Temu MRT Dukuh Atas Jakarta Building. The analysis process was carried out by 3D building modeling using the ETABS software program, analysis based on time history and spectrum response. Time History analysis uses recorded earthquakes of Kobe Japan, ChiChi Taiwan, and El Centro which match the earthquake response spectrum, the results of the analysis based on the program were carried out to compare the two methods used. Based on the results of the analysis, the building is classified into horizontal irregularities with excessive torque ratio > 1.4, average displacement value from the 2nd to 12th floor in the horizontal direction X exceeds the drift value limit. The results of the instability limit for structural stability against displacement based on the P-Delta effect still meet the structural stability limits so it can be stated that the structure is stable and safe.
FAKTOR-FAKTOR PEMILIHAN PEMASOK MATERIAL BANGUNAN Fuk Jin Oei; Sudarno P Tampubolon; Dady Supriadi; Iwan B. Santoso
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 4 No. 2 (2023): Jurnal Rekayasa Teknik Sipil dan Lingkungan, Oktober 2023 ISSN 2722-0230 (Onlin
Publisher : UKI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cen.v4i2.5239

Abstract

Selection materials suppliers selectively are important things to be done by the contractor because it can save the cost of the project given the fact that more than half of project expenditure is for the material so we need the right management in the procurement of materials. In this study explains the factors to be considered contractor in choosing the material supplier. There are four main factors to be considered in the selection of contractors, namely material supplier quality, delivery, service, and cost which is then translated into 19 sub-variables. By using multiple linear regression obtained 3 factors that influence the decision of the contractor to buy material that is the amount of material being sent, delayed payment, and the accuracy of the information given price.
Sosialisasi dan Lomba Kreativitas Daur Ulang Sampah di SMP Advent Tompaso Kabupaten Minahasa, Sulawesi Utara Deviana Munthe; Sudarno P Tampubolon
JURNAL Comunità Servizio : Jurnal Terkait Kegiatan Pengabdian kepada Masyarakat, terkhusus bidang Teknologi, Kewirausahaan dan Sosial Kemasyarakatan Vol. 6 No. 1 (2024): APRIL
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Univesitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cs.v6i1.5629

Abstract

Abstract The concept of waste reduction (reduce), recycling or reusing (reuse/recycle), and safe disposal (dispose) is highly crucial in mitigating waste pollution today. The Community Service activity carried out at SMP Advent Tompaso through socialization and a creative waste recycling competition themed "Reduce Wasted and Save The Earth" underscores the importance of these principles. The enthusiasm of the students to learn about waste recycling methods in their environment, which can hold significant economic and market value, is evident. Furthermore, the participation of each class, sending their teams to compete in every contest, demonstrates their active involvement. From the two contests, namely the fashion show and waste recycling craft competition, it is apparent that each student possesses high levels of creativity. Plastic and paper waste transformed into clothing showcased in the fashion show highlight the variety of designs created. Meanwhile, the crafting of plastic waste into flower-shaped handicrafts demonstrates both economic and market value. Through the dissemination of information and the competitions, the hope is that students will not only become more environmentally conscious but also actively contribute to mitigating the impacts of global warming. They are encouraged not to dispose of waste recklessly but instead to start sorting waste in their surroundings, thus contributing to the preservation of the world and their immediate environment. Keywords: Socialization; creativity; trash, recycling, competition
ANALISIS LENDUTAN DAN KUAT TEKAN PADA PENGUJIAN BALOK BETON BERTULANG DENGAN VARIASI JARAK SENGKANG MIRING SUDUT TEKUK 135° Simanjuntak, Irene Vista; Tampubolon, Sudarno P; Priska Marlen Duakaju; SOPHIAN TALENTA MENDROFA
Jurnal Rekayasa Teknik Sipil dan Lingkungan - CENTECH Vol. 5 No. 2 (2024): Jurnal Rekayasa Teknik Sipil dan Lingkungan, Oktober 2024, ISSN 2722-0230 (Onli
Publisher : UKI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cen.v5i2.6406

Abstract

ABSTRACT The Failure of reinforced concrte beam structures can occur due to the function of tensile reinforcement, compression reinforcement, and stirrups not functioning properly so that the beam is unable to withstand/ support the working load. This study aims to analyze the strength of reinforced concrete beams using inclined stirrups at an angle of 135° with a variation of 100 mm and 150 mm. Reinforced concrete is chosen as a combination of concrete and steel to increase the tensile strength that concrete does not have. The Ultimate Stress Design (USD) method is used to design reinforced concrete element structures. The test involved two samples of reinforced concrete beams measuring 15x15x80 cm. Based on the test, the average compressive strength of 100 mm concrete beams was 28 MPa and 150 mm was 29 MPa. The tensile test of D-13 threaded steel reinforcement produced an fy of 354 MPa and D-8 plain fy value of 369 MPa. The flexural strength of concrete beams at stirrup distances of 100 mm and 150 mm was recorded at 23.67 Mpa with a maximum deflection occurring in beam B-1 of 46.4 mm and a maximum deflection in beam B-2 of 47 mm. The results of this study provide important information about the effect of variations in inclined stirrups on the structural performance of reinforced concrete in increasing the flexural and shear strengths that occur in beams. Keywords: Reinforced Concrete, Diagonal Stirrup Reinforcement, Compressive Strength, Ultimate Stress Design (USD), Ultimate Moment Capacity, Tensile Test, Bending Strength.
Peninjauan dan Pengukuran Eksisting Bangunan Gereja HKBP Ressort Perumnas Klender Sudarno P Tampubolon; Grace Putri Dianty; Candra Christianti Purnomo; Sally Septania Napitupulu
JURNAL Comunità Servizio : Jurnal Terkait Kegiatan Pengabdian kepada Masyarakat, terkhusus bidang Teknologi, Kewirausahaan dan Sosial Kemasyarakatan Vol. 4 No. 1 (2022): APRIL
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Univesitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cs.v4i1.3804

Abstract

Planning/ design of a mature structure is very important in constructing a building. This is one of the goals of the Faculty of Engineering Community Service (PKM) held at the HKBP Resort Church of Perumnas Klender. The activities carried out are measuring and depicting existing church buildings that have stood, where these images can be used by the Church for the development and improvement of the Church in the future. The method used in this PKM is to conduct a field survey to be able to prepare measurements of the church building, then take measurements and draw the initial sketch of the church building on the first and second floors as a whole, until at the end of the activity a 2-dimensional drawing of the church building is carried out according to the measurements that have been made. in the field. This PKM activity produces two-floor dimensional plan builds analyzed by architectural and civil perspectives. Keywords: measurement and drawing; church building, Klender housing estate.
Sosialisasi Program Biopori dan Pemanenan Air Hujan di Kelurahan Kramat Jati Jakarta Timur Sudarno P Tampubolon; Risma M Simanjuntak; Agnes Sri Mulyani; Setyadi; Deviana Pratiwi Munthe; Michel Tambunan
JURNAL Comunità Servizio : Jurnal Terkait Kegiatan Pengabdian kepada Masyarakat, terkhusus bidang Teknologi, Kewirausahaan dan Sosial Kemasyarakatan Vol. 6 No. 2 (2024): OKTOBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM), Univesitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/cs.v6i2.6138

Abstract

Abstract Water is an essential and vital resource for all living organisms; without it, life on Earth would be unsustainable. Although the Earth has abundant water, the available supply of clean water is insufficient to meet demand, causing many people to suffer from water scarcity. Water shortages can be triggered by rising demand due to population growth, uneven water distribution, increasing water pollution, and inefficient water use. The misuse of water, especially in large cities, is alarming, as water exploitation can reduce water sources and disrupt water sustainability. Groundwater has various benefits, particularly as a primary source of clean water for communities, compared to surface water sources. Additionally, groundwater supports environmental stability by preventing land subsidence, sea water intrusion, and worsening groundwater pollution. To anticipate water shortages, alongside wise and controlled water usage, rainwater harvesting can be employed as an alternative water source. One method of water conservation in every household is rainwater harvesting, which involves collecting, storing, and conserving rainwater. Rainwater harvesting has been practiced for centuries in various countries experiencing water shortages. Harvested rainwater can be used for multiple purposes, such as watering plants, washing, bathing, and even cooking if the water quality meets health standards. The creation of biopores is another alternative in groundwater conservation, as this method returns surface water back into the ground. Given the above points, a team of lecturers and students from the Civil Engineering Study Program is attempting to provide training to the Kramatjati community on how to independently conserve water in each household. Keywords: Socialization; rain water harvesting; biopores
Co-Authors Candra Christianti Purnomo Chatarina Finella Cintantya Budi Casita Dady Supriadi Dang Thanh Trung Daniel David , Charly Deviana Pratiwi Munthe Dianty, Grace Putri Doroti, Doroti Efendy Tambunan Elferida Sormin Fau , Martinus Nifotuho Formas Juitan Lase Fuk Jin Oei Fuk Jin Oei Grace Putri Dianty Gracela P. Tarapandjang Haposan Sahala Raja Sinaga Hutabarat, Lolom Hutagalung, Charly David I Gede Dhana Putra Sanjaya I Nengah Sinarta I Putu Ellsa Sarassantika I Wayan Gede Suarjana I Wayan Maesa Andreasnata Ida Bagus Gede Parama Putra Indry, Jessica Miracella Irene Vista Simanjuntak Iwan B. Santoso John fernando silalahi Kafolapada, Yohan K. Kristofel, Andreas Samuel Lolom Evalita Hutabarat Louisa , Agnes Michel Tambunan Mulyani, Agnes Sri Naibaho, Lamhot Nataldo , Benny Tri Nelius Harefa Ni Komang Armaeni Oei, Fuk Jin Pane , Medyawanti Pane, Medyawanti Paskalis Halawa Pinondang Simanjuntak Pinondang Simanjuntak Priska Marlen Duakaju Purnomo, Candra Christianti Risma M Simanjuntak Roro Sulaksitaningrum Sally Septania Napitupulu Sally Septania Napitupulu Sari , Desma Setiyadi Setiyadi Setiyadi, Setiyadi Setyadi Setyadi Setyadi Simanjuntak P Simanjuntak, Irene Vista Simanjuntak, Risma M SOPHIAN TALENTA MENDROFA Srimulyani, Agnes Steffy Catharina Rebeccha Simbolon Sudarwani , Margareta Maria Tafonao, Ismael Tomaluweng, Zefanya Ulinata Ulinata Ulinata Yonathan, Yonathan Zebua, Felix Zebua, Prestasi Aswinda