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Jurnal Rekayasa Teknik Sipil dan Lingkungan
Published by Universitas Kristen Indonesia
ISSN : 27223442     EISSN : 27220230     DOI : DOI: https://doi.org/10.33541/cen
Core Subject : Science, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Environmental Science Materials Science & Nanotechnology Transportation
Jurnal CENTECH pertama kali diterbitkan pada bulan April 2020 melalui penerbit UKI Press dengan nama Jurnal Rekayasa Teknik Sipil dan Lingkungan CENTECH. Jurnal ini dikelola oleh Program Studi Teknik Sipil UKI yang dimaksudkan untuk mempublikasikan karya-karya penelitian dosen, alumni, dan praktisi serta peneliti di luar UKI. Jurnal ini memuat artikel-artikel penelitian yang berfokus pada bidang Manajemen Konstruksi, Geoteknik, Rekayasa Struktur, Rekayasa Transportasi, Manajemen Sumber Daya Air serta Rekayasa Lingkungan. Jurnal CENTECH diterbitkan secara berkala dua kali dalam setahun, yaitu April dan Oktober, dimana terbitan perdana adalah pada bulan April 2020. Untuk peningkatan kualitas jurnal maka Prodi Teknik Sipil UKI menerbitkan jurnal ini secara online sehingga dapat mengajukan akreditasi jurnal dalam waktu dekat.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 67 Documents
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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.
TEKNOLOGI GNSS DALAM MANAJEMEN GEMPA BUMI DI INDONESIA Agnes Sri Mulyani
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.v4i1.4820

Abstract

The high risk of recurring tectonic earthquakes in Indonesia requires regular monitoring. One method that can be used in monitoring earthquakes due to tectonic activity is to observe the position of a monitoring point with GPS. It can provide an overview of the movement of point continuously. GPS is one of the references in geodynamic studies to observe patterns and changes in the direction of movement of blocks of the earth's crust in analyzing active faults in the earth. The position observation method can describe the condition of the monitoring points during one tectonic earthquake phase (earthquake cycle), namely inter-seismic, pre-seismic, co-seismic, and post-seismic. It is necessary to study as early as possible the deformation of tectonic plates so that in the future the risk of damage and loss to the environment due to earthquakes can be minimized. This paper aims to examine GPS technology in monitoring earth dynamics using the literature study method. By inputting GPS data and the output is the fault activity model, it is possible to determine the potential earthquake disaster model in the area studied. It is important to have good and responsive disaster management to minimize the damage caused by a disaster. Areas with a potential for earthquakes must have technology to know if there is an earthquake and where a tsunami will occur, have the infrastructure to transmit this information to residents, and residents must be prepared to know what to do.
TINJAUAN GEOLOGIS GEMPA CIANJUR NOVEMBER 2022 Lolom Evalita Hutabarat
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.v4i1.4836

Abstract

The earthquake that struck Cianjur Regency, West Java Province, on Monday, November 21, 2022, at 1.21 pm, killed 268 people and damaged or destroyed over 2,000 buildings (BMKG, 2022). The soil movement is generally in rock layers class C (hard soil) to layer D (medium soil), according to the geological map of building damage below. The Cugenang fault, which runs north 347°E and tilts 82.8° to the right perpendicular from Nagrak village to Ciherang village to the northeast in the Cianjur region, is the cause of severe building damage. Ground movements generally occur in rock layers C (hard soil) to D (medium soil). Because the earthquake's magnitude was not too large, the faults did not continue to the surface (surface rupture). However, they caused many aftershocks of lower intensity in the direction of Warungkondang to Karang Tengah for 12 km and a width of 8 km. The Rupture Area was the worst location for building damage. Even though the earthquake movement begins at the epicenter, the epicenter is not always the location of the most severe damage. The fault line of the earthquake source points to the West-South-West (WSW)-East Northeast (ENE) with the fault slope (dip) to the south and the fault direction to the left, according to data on the distribution of the epicenter of the earthquake. As a preventative measure, a technical review of the geological aspects of the Cianjur earthquake is required to ensure no casualties or material loss at the exact location if repeated earthquakes occur
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
ALTERNATIF PERENCANAAN STRUKTUR GEDUNG HOTEL ASHER BALI TRANSIT KUTA MENGGUNAKAN DINDING GESER Krisna Dwipa Yana; Ni Komang Ayu Agustini; Putu Aryastana
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.v4i2.5060

Abstract

Perencanaan suatu struktur gedung tinggi, simpangan akibat gaya lateral sangat penting untuk diperhitungkan dalam perencanaan struktur bangunan tinggi, semakin tinggi bangunan maka semakin besar pula gaya lateral yang memungkinkan terjadinya keruntuhan pada struktur gedung. Untuk menekan besarnya simpangan pada struktur dapat dilakukan dengan menambahkan elemen struktur khusus, seperti dinding geser. Dengan adanya dinding geser, kekakuan pada struktur gedung akan bertambah dan gaya lateran pada struktur tidak sepenuhnya akan diterima oleh struktur rangka yang akan mengakibatkan terjadinya penurunan simpangan. Gedung Hotel Asher Bali Transit yang bertempat di Jalan Raya Kampus Unud, No. 9, Linkungan Perarudan, Kecamatan Kuta Selatan, Badung, Bali, bangunan ini memiliki tinggi sebesar 15 m yang terdiri dari 4 lantai. Perencanaan dilakukan dengan 2 model yaitu : a) Model eksisting, b) Model Sistem Ganda. Semua input beban, spesifikasi material dan dimensi struktur adalah sama dan hanya berbeda pada penambahan dinding geser pada bangunan. Berdasarkan hasil analisa kedua model didapat nilai simpangan lantai terbesar pada model 1 (model eksisting) adalah X=38,968 mm; Y=32,808 mm dan untuk model 2 (model sistem ganda) adalah X=11,534 mm; Y=24,717. Berdasarkan hasil analisis ini dapat di lihat bahwa dengan penambahan dinding geser terjadi penurnan simpangan sebesar 81,24% untuk arah X dan 15,54% untuk arah Y. Pada hasil analisis penulangan struktur dapat disimpukan bahwa terjadi penurunan penggunaan tulangan akibat penambahan dinding geser pada arah x. Penurunan paling signifikan terjadi pada tulangan kolom K1 dari 12 D19 menjadi 12 D16, balok B1 untuk daerah tumpuan dari 5 D19 menjadi 6 D16 dan untuk daerah lapangan dari 4 D19 menjadi 4 D16. Dari hasil perencanaan ini dapat dijadikan sebagai pertimbangan dalam pembangunan gedung selanjutnya untuk penggunaan dinding geser pada struktur.
ANALISIS SISTEM JARINGAN AIR BERSIH PERUMDAM TIRTA SENENTANG PADA UNIT TANJUNG PURI KABUPATEN SINTANG Apri Ananda Putra; Stefanus Barlian Soeryamassoeka; Henny Herawati
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.v4i2.5222

Abstract

The requirement for clean water in Sintang Regime, particularly served by Perumdam Tirta Senentang Tanjung Puri unit, is expanding step by step alongside the rising populace. The motivation behind this study is to get the aggregate sum of water request served and get the consequences of the dispersion network condition examination until 2037. To decide the accessibility of Kapuas Stream water, the False technique and dissemination network reenactment investigation utilizing the Epanet 2.2 program were utilized. How much pinnacle hour water interest in 2022 is 29,31 liters/second and in 2037 is 56,09 liters/second. Examination of the circulated water request network in existing circumstances in 2022 there is a speed that has not met the prerequisites with the least worth of 0,06 m/second and the most elevated worth of 0,88 m/second. Besides, an extra release was completed in 2037 circumstances, it was found that few lines didn't meet the prerequisites, in particular the least headloss unit worth of 0,21 m/km and the most noteworthy of 15,44 m/km, while the least speed esteem was 0,11 m/second and the most elevated was 1,69 m/second. In the wake of supplanting the line distance across in 2037, pressure results and headloss units that meet the prerequisites are acquired. Nonetheless, there are a few lines with speed esteems that don't meet the prerequisites, the least worth is 0,11 m/second and the most noteworthy worth is 0,95 m/second. This shows that the state of the spotless water circulation organization can in any case be grown so that administrations can be more ideal. Keywords: Clean Water Network Distribution; Epanet 2.2; the need for clean water; mock method; Perumdam Tirta Senentang; Kapuas River
RUMUSAN STRATEGI PENGEMBANGAN PERUMDA AIR MINUM TIRTA SENENTANG BERDASARKAN HASIL EVALUASI KINERJA Elsy Ivana Clara Ivana; Stefanus Barlian Soeryamassoeka; Herawati Henny
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.v4i2.5224

Abstract

Water is part of our daily life needs. To meet the need for clean water in Sintang Regency, PERUMDA Tirta Senentang Drinking Water uses 4 water sources, namely from the Kapuas River, Melawi River, Ketungau River, Kayan River with a total capacity of 295 lt/sec. This research aims to find and formulate strategies in efforts to develop the performance of PERUMDA Air Minum Tirta Senentang as a clean water supply agency based on the results of performance evaluations. The analytical method used in this research is performance evaluation analysis using the Balanced Scorecard method by paying attention to four aspects, namely financial aspects, service aspects, operational aspects and human resource aspects. And for analysis of the formulation of strategies in efforts to develop performance using SWOT analysis. Based on the performance evaluation, the results obtained from a series of SWOT analyzes are the strategy formulation that best suits the performance development efforts of PERUMDA Air Minum Tirta Senentang, namely by optimizing Strengths so that existing opportunities can be maximized so that six strategy formulations are obtained for strengthening and implementing regulations in the development of PERUMDA Water Drink Tirta Senentang. From the results of the QSPM analysis, an alternative strategy with the best policy was obtained, accompanied by determining the time period, a short-term strategy was obtained, namely increasing service coverage, production capacity and service blocks. The medium term strategy is to optimize the home connection network and idle capacity. And the long-term strategy is to collaborate with competent parties.Keywords: SWOT analysis ; Performance evaluation ; Tirta Senentang Drinking Water Municipal Corporation.
STRATEGI PENGENDALIAN BANJIR TERPADU DI SUB DAS MELAWI KALIMANTAN BARAT Stefanus Barlian Soeryamassoeka; Danang Gunarto; Umar; Fiqih Rahmanto; Riyanda Nurcahyo
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.v4i2.5233

Abstract

As in Indonesia in general, the Melawi Sub-watershed, part of the Kapuas River Basin, is also experiencing an increasing frequency of flooding. Currently, flooding in the Melawi Sub-watershed occurs not only in urban areas but also in rural areas in the middle and upper reaches of the Melawi Sub-watershed. To reduce the impact of floods in the Melawi Sub-watershed, a comprehensive and integrated flood control and management effort is needed. Whole means taking an approach that sees the Melawi Sub-watershed as an inseparable unit, including the upstream, middle, and downstream parts. Integrated means that flood control and management are carried out by considering technical, environmental, social, economic, legal, and institutional aspects in and around the Melawi Sub Watershed. This research aims to create a concept that can be used and applied in minimizing flooding in the Melawi Sub Watershed to prevent the frequency of flooding in the Melawi Sub Watershed from increasing by creating an integrated flood control strategy from various sectors. The results of this study can be helpful for policymakers in West Kalimantan, especially Sintang Regency and Melawi Regency, in overcoming flood problems in the Melawi Subwatershed. This research used secondary data (rainfall data, maps, and information from previous studies) and primary data (soil sample data, Focus Group Discussion results) with geographic information system software and MS Excel for analysis. The spatial analysis shows that flooding in Melawi Sub Watershed mainly occurs due to land conversion for settlements, plantations, and mining.
STUDI KASUS PERENCANAAN KOMBINASI SISTEM PRACETAK DENGAN ISOLASI DASAR PADA APARTEMEN PANCORAN RIVERSIDE II Martinus Nifotuho Fau; Hari Nugraha Nurjaman
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.v4i2.5235

Abstract

The development and application of high-performance precast systems with prescriptive planning concepts and regimes, it is fully produced locally in Indonesia. However, precast systems that use base isolation, especially in high-rise buildings, need a deeper study to determine the overall behavior and performance of the building. The purpose of this study is to plan a structure that uses a combination of precast and base isolation systems with a case study of a high-rise building, namely the Pancoran Riverside II Apartment, which is located in Jakarta and consists of a tower area of 32 floors and a podium area of 6 floors. The use of base isolation can also shift the period of the structure to be larger, so that a smaller base shear can be obtained, but because the tower area of this building is quite high (121.6 m), the period of the structure is large enough so that the effect of shifting the period of the structure is not very effective in the area. tower, while the podium area (19.2 m) can still take advantage of this decrease in base shear.
ANALISIS GEOTEKNIK DITINJAU DARI KARAKTERISTIK KUAT GESER MATERIAL LONGSORAN PADA BATAS KOTA JAYAPURA KABUPATEN KEEROM-ARSO STA. 66+327) Edoward JP Pardede; Duha Awaluddin; T Bernathius
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.v4i2.5237

Abstract

Landslides Geotechnical analysis of the shear strength characteristics of landslide material on the Trans Papua national road, Arso-waris Yetti KM.66+327 segment, soil physical properties test based on laboratory test results on landslide material obtained at a depth of 1.00 m to 1.50 m is the water content. Original average: 21.25, specific gravity: 2.68, liquid limit (LL): 38.3, plastic limit (PL): 26.41, plastic index (PI): 11.89, soil type: clay sand silt, test The following laboratory mechanical properties were obtained: friction angle (): 14.00°, cohesion (c): 0.018 kg/cm, and wet bulk weight (s): 1.97 gr/cc. For unconfined compression tests, shear strength (qu) is 0.009 kg/cm2, depth 5.00 m to 6.0 m is the average original water content of 24.0, specific gravity 2.62, Limit liquid (LL) 36.6, plastic limit (PL) 18.10, plastic index (PI) 18.50. The type of soil detected is clay sand silt, laboratory mechanical properties tests were achieved for shear angle (Ø): 12.12°, cohesion (c) is 0.014 kg/cm, and wet bulk weight (s) is 1.88 gr/cc. The dry bulk weight (d) is 1.52gr/cc, the unconfined compression test shear strength (qu) is 0.0071 kg/cm2, the depth is 13 m to 14 m, the original water content is an average of 27.05, the specific gravity is 2.71, the liquid limit (LL) is 29.0, the plastic limit (PL) is 12.80, and the plastic index (PI) is 16.20. The soil type detected was shale, clay sand, and laboratory mechanical properties tests revealed shear angle (): 21.59°, cohesiveness (c): 0.025 kg/cm, and wet bulk weight (s): 2.09 gr/cc. The dry weight (d) is 1.64 gr/cc, and the shear strength of the free compression test (qu) is 0.0127 kg/cm2.

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