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INDONESIA
Jurnal Teknik Indonesia
Published by Universitas Darul Ulum Islamic Centre Sudirman
ISSN : 29872723     EISSN : 29870933     DOI : https://doi.org/10.61689/jti
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Transportation
Jurnal Teknik Indonesia diterbitkan sejak tahun 2018 oleh segenap civitas akademika Fakultas Teknik, Universitas Darul Ulum Islamic Center Sudirman GUPPI. Jurnal Teknik Indonesia terbit 2 (dua) kali dalam setahun yaitu pada bulan April dan Oktober. Ruang lingkup dari Jurnal Teknik Indonesia berupa hasil penelitian, kajian dan aplikasi di dalam bidang Teknik Sipil seperti: (1) Manajemen konstruksi; (2) Rekayasa struktur; (3) Rekayasa sumber daya air; (4) Rekayasa geoteknik; (5) Rekayasa transportasi.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 55 Documents
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DESAIN KOLAM PEREDAM ENERGI BENDUNG PLAOSAN KABUPATEN SEMARANG Afrida, Eric; Apriyanto, Totok; Pujiastuti, Ratih
Jurnal Teknik Indonesia Vol 4, No 1 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i1.414

Abstract

Hydraulic aspect of the weir is important factors in planning a stilling basin. Remaining energy on the stilling basin is expected to be as minimal as possible so that scour does not occur on the river bed. Plaosan Weir does not yet have a stiiling basin structure. Therefore it is necessary to recommend the design of stiliing basin.The analysis carried out hydrological analysis, including calculating return period rainfall, flood discharge (Q) using the Haspers method, and calculating Froude number (Fr) to determine pond type. Based on the recommendations for the type of stilling basin, a building design is carried out and also stability of design..From the results of calculation it is obtained that 50-year return period rainfall is 108.68 mm. Planned discharge for 50 years is 186.06 m3/s, and froude number : 4. The appropriate type of stilling basin is USBR Type IV. The pond is planned to have a length of L = 17 m, with a block face width of 0.68 m, height of 1.36 m, distance between front blocks of 1.69 m and total of 13 pieces. The results of stability control analysis during normal water conditions and flood water conditions produce values above the safety factor so that it can be concluded that the design is planned qualify.
NORMALISASI SUNGAI BLORONG GUNA MENANGGULANGI BANJIR DI KABUPATEN KENDAL Karim, Dwiyono Abdul; Arsadani, Robi
Jurnal Teknik Indonesia Vol 3, No 1 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i1.361

Abstract

Management of water resources in river areas includes 5 aspects, namely conservation of water resources, utilization of water resources, and control of water damage, supported by water resources information systems and community empowerment. The Blorong River area is the area of authority of the PSDA of Central Java Province which is in the administrative area of Kendal Regency. This river often overflows, causing losses to the surrounding area.This research was conducted to analyze the flood inundation caused by the overflow of the Blorong river using the design flood hydrograph used in this study is the Nakayasu synthetic unit hydrograph. Hydraulics analysis using the HEC-RAS 4.1.0 application system (Hydrologic Engineering Center). The cross-sectional data of the river was obtained from PUSDATARU, Central Java Province. The results of the analysis on the Blorong River obtained a high inundation water level profile using the HEC – RAS program.Based on the existing conditions, it is planned to normalize the Blorong River and add embankments to the overflowing river section. The embankment design is an earth embankment with a height of 5.14 calculated from the MAB plus a guard of 0.8 m, the width of the embankment is 3 m. From the calculation results it is known that the embankment is safe against overturning and sliding.Keywords: Blorong River, Flood, River Improvement
STUDI EVALUASI TITIK KEMACETAN SIMPANG EMPAT DI JALAN KEBANGKITAN NASIONAL - JALAN BHAYANGKARA KOTA SURAKARTA Alfian Restuyudha Adji Praditya
JTI (Jurnal Teknik Indonesia) Vol 1, No 2 (2020): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

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

Abstract

The city of Surakarta is a big city that has a function as a center for trade, tourism, culture, education, and sports which always experiences an increase in population and number of vehicles every year. The increasing number of facilities and infrastructure needs in the transportation sector must of course be balanced with the existence of supporters that make these transportation facilities more useful, namely the existence of roads and their management and performance of intersections. The intersection area with a signaling the National Awakening Road - Jalan Bayangkara is in a commercial area because there are many shops and settlements, so it has heavy traffic and a fast growth rate of traffic. This study aims to provide an overview of traffic congestion conditions that occur at the intersection of the four-lane National Awakening Street - Bhayangkara Street, Surakarta city and analyze the right solution to be applied in order to overcome congestion that occurs at the four-way intersection of Jalan Kebangkitan Nasional - Jalan Bhayangkara, Surakarta. From the results of existing calculations for the intersection without Signal Jl. National Awakening - Jl. Bhayangkara Kota Surakarta with the MKJI 1997 method, the value of the degree of saturation (DS) is obtained, namely = 1.12 or more than 0.85. So that we need several alternatives to describe congestion at the intersection. For the first alternative using the method of switching the road into one direction. The results of the degree of saturation (DS) = 0.32 for the Western approach, DS = 0.71 for the South approach. Then we also try to make a second alternative, which is to make the intersection a signaled intersection. So the value of the degree of saturation (DS) is = 0.47 for the north approach, DS = 0.73 for the south approach, DS = 0.63 for the eastern approach and DS = 0.73 for the western approach. Keywords: Intersection, intersection with signal, one direction, degree of saturationThe city of Surakarta is a big city that has a function as a center for trade, tourism, culture, education, and sports which always experiences an increase in population and number of vehicles every year. The increasing number of facilities and infrastructure needs in the transportation sector must of course be balanced with the existence of supporters that make these transportation facilities more useful, namely the existence of roads and their management and performance of intersections. The intersection area with a signaling the National Awakening Road - Jalan Bayangkara is in a commercial area because there are many shops and settlements, so it has heavy traffic and a fast growth rate of traffic. This study aims to provide an overview of traffic congestion conditions that occur at the intersection of the four-lane National Awakening Street - Bhayangkara Street, Surakarta city and analyze the right solution to be applied in order to overcome congestion that occurs at the four-way intersection of Jalan Kebangkitan Nasional - Jalan Bhayangkara, Surakarta. From the results of existing calculations for the intersection without Signal Jl. National Awakening - Jl. Bhayangkara Kota Surakarta with the MKJI 1997 method, the value of the degree of saturation (DS) is obtained, namely = 1.12 or more than 0.85. So that we need several alternatives to describe congestion at the intersection. For the first alternative using the method of switching the road into one direction. The results of the degree of saturation (DS) = 0.32 for the Western approach, DS = 0.71 for the South approach. Then we also try to make a second alternative, which is to make the intersection a signaled intersection. So the value of the degree of saturation (DS) is = 0.47 for the north approach, DS = 0.73 for the south approach, DS = 0.63 for the eastern approach and DS = 0.73 for the western approach. Keywords: Intersection, intersection with signal, one direction, degree of saturation
ANALISA PENGUATAN STRUKTUR PENAMBAHAN LANTAI BANGUNAN GEDUNG (STUDI KASUS DI DPMPTSP KAB. KUDUS) Muhroni, Alim
Jurnal Teknik Indonesia Vol 5, No 1 (2024): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v5i1.547

Abstract

The research was conducted in the Kudus Regency Public Services building which originally had a floor area of 1172 m2. In 2022 there will be development, so a new floor will need to be added. Where the land area cannot be used to build horizontally, add vertical floors to a 2-story building to become 3 floors. The research was carried out by testing the quality of concrete using the Hammer Test, obtaining a result of 20.75 MPa, then modeling analysis was carried out using SAP 2000 v14 software and manual calculations based on SNI 03-2847-2002, SNI 031726-2012, and SNI 1729-2015. This analysis was carried out in 3 stages, the first was an analysis of the initial conditions of the existing building, the second was an analysis of the existing structure with the additional load of the new floor, and the third analysis was with the additional load and structural strengthening. The results of the structural analysis stages 1 and 2 stated that the beam structural elements experienced overstrength (O/S) or could not withstand the additional load of the 3rd floor. With this data, structural reinforcement calculations were carried out using the concrete jacketing method with a number of longitudinal reinforcement 7D16 stirrups Ø10-100 for beams and the amount of longitudinal reinforcement 8D19 stirrups Ø10-100 and the method of strengthening with steel profile IWF 200.200.8.12.
ANALISA PERBANDINGAN KEKERASAN PAVING DENGAN CAMPURAN ABU BATU DAN PASIR Susanto, Ahmad; Romadhon, Achmad Akbar; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 4, No 1 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i1.419

Abstract

Paving block is an environmentally friendly construction where paving blocks are very good at helping groundwater conservation, implementation is faster, easy to install and maintain, has a variety of forms that add aesthetic value, and the price is easy to reach. Therefore, paving blocks are an important building material in the construction of public facilities, especially for road construction in residential areas. The use of paving blocks in the field is still limited to parking lot pavements, sidewalks, parks and connecting buildings. Even though the application of paving block materials is very wide. However, of course, local experience and the successful use of paving blocks will play more and more influence in terms of the application of these materials. Stone ash in this study was used as a substitute for natural fine aggregate (natural sand) with the proportions of 0%, 15%, 30%, 45%, and 60%. To get the optimal compressive strength value, the researcher has the opinion of a combination of fine aggregate of natural sand and rock ash waste with the appropriate percentage. And tested with mortar age of 14 days and 28 days. In the study, the volume weight test of paving blocks with the addition of stone ash waste obtained the highest compressive strength at a variation of 45% for the test at the age of 14 days and 28 days, with the compression test for 14 days reaching a compressive strength of 100.92 kg/cm2 and for the compressive test 28 day reached a compressive strength of 160.28 kg/cm2.
ANALISIS KEBUTUHAN PARKIR UNTUK INDUSTRI PAKAIAN JADI PT. MOD INDO - PRINGAPUS Wibowo, Wibowo; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 3, No 2 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i2.368

Abstract

PT. MOD Indo Pringapus is one of the garment industry players located in Pringapus District, their business activity is the manufacture of apparel with a market share of 100% exports to America. PT. MOD Indo is located on Jalan Raya Pringapus Candirejo in the Bumi Wahyu Warehousing Complex, Kali Kuning neighborhood, Pringapus Village, Pringapus District, Semarang Regency. PT. MOD Indo has an area of 21,117 m2, a total building area of 15,296 m2, and a total area of 5,821, m2 of open land. With number of employees reaching 1250 employees, the need for parking spaces for employees, raw material vehicles, and production transportation vehicles needs to be provided with a suitable place & adequate. The current condition based on the author's observations, there are still many parking arrangements that are not in place due to the very limited condition of the land and parking buildings. Seeing these conditions, it is necessary to plan for the provision of parking facilities. From the results of the survey on the availability of parking at the location, the parking capacity that is owned can accommodate 25 car parking lots and 800 motorbike parking lots. The parking area used is approximately 1500 m2. The parking requirements that need to be provided are 50 SRP for Cars, 192 SRP for Motorcycles and 10 SRP for Trucks, while the required land area includes circulation of 1,674.4 m2. Based on the results of the analysis above and the description of the next few years where the rate of vehicle development is estimated at around 10% per year, the authors can conclude that the performance of parking spaces for current conditions does not meet the needs of existing users so that there needs to be improvements in parking space arrangements including the addition of new parking spaces.
STUDI KOMPARASI KAPASITAS DAYA DUKUNG TIANG PANCANG SECARA ANALITIS TERHADAP HASIL UJI KALENDERING DAN PILE DRIVING ANALYZER (STUDI KASUS STRUKTUR SLAB ON PILE) PADA PROYEK PEMBANGUNAN JALAN TOL SEMARANG – DEMAK PAKET 2 Merytsa, Aldila Winda; Istiari, Imas; Hartopo, Hartopo; Apriyanto, Totok
Jurnal Teknik Indonesia Vol 3, No 2 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i2.367

Abstract

Semarang–Demak Toll Road Construction with length ± 27 km, built for reduce traffic jam in Semarang. Due to road construction must pass area with very soft soil conditions/swamp land. Where type soil this is known have power support very low. For resolve problem the so structure Street use structure Slab on Pile. Structure Slab on Pile consist from slab, pile head and Pile Foundation               In analyzing the carrying capacity of piles analytically in this study, we used several methods such as the Meyerhof method, the Luciano Decourt method and the Schmertman method. Meanwhile, in our calendaring test, we used the Hilley method.On the Semarang–Demak Toll Road Development Project searching for comparison score power support ultimate Pile Foundation single by analytical with Calendaring data and PDA. Based on results calculation of value SPT data power support ultimate pile single on 44 m depth with method Mayerhof obtained 149.72 tons, for Luciano Decourt's method 210.0451 tons, Schmertman method 185,888 tons based on calculation Calendaring method Hilley 145,0251 tons and PDA obtained 148.73 tons.
ANALISA GEOTEKNIK PADA TANAH LUNAK PADA LONGSORAN TANGGUL SUNGAI TUNTANG Mukarom, Su’udi Al; Astuti, Meilinda Dewi
Jurnal Teknik Indonesia Vol 4, No 2 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i2.492

Abstract

Soil is a structure that chan be used as an embankment to prevent flooding in rivers and also sea eater tidal waves. Rivers are surface flows that are formed naturally or artificially and flow continuously to the sea. The condition of the soil on the river embankment is very unstable, which is directly adjacent to the irrigation canal, and the condition of the soil is very weak, causing the slope or embankment to collapse. The aim of this research is to determine soil stability analysis using the Plaxis Program Version 8.2, a geotechnical analysis program that can analyze soil stability using the finite element method which is capable of carrying out analyzes that can approximate actual behavior. Plaxis Version 8.2 provides various analyzes of displacement, stresses that occur in the soil, slope safety factors and others.The results of the analysis using the plaxis program Version 8.2 obtained maximum results. From the analysis of the Plaxis program on the construction of the Tuntang River Embankment landslide, it was found that in conditions where the soil was not repaired, it had a safety factor of 1.237 <1.5, which was smaller than the required safety factor, namely 1.5, so that the soil condition was unstable or a landslide. The condition of the soil in the channel was excavated and piled on top of the embankment, safety factor 1.105 < 1.5, this condition became worse due to the load on the embankment, the soil was strengthened by handling bamboo cerucuks to ensure that the soil did not experience movement at a distance of 0.5 m zig-zak. If a safety factor of 1.501 > 1.5, then with bamboo reinforcement the embankment can be overcome and not experience landslides.
PERENCANAAN ULANG VOLUME EMBUNG PUSPORENGGO KECAMATAN MUSUK KABUPATEN BOYOLALI Susilo, Joko; Kurniawan, Didik; Apriyanto, Totok; Pujiastuti, Ratih
Jurnal Teknik Indonesia Vol 4, No 1 (2023): JTI (Jurnal Teknik Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v4i1.415

Abstract

Pusporenggo Smalldam was built in Pusporenggo Village, Musuk District, Boyolali Regency. This reservoir was built to meet the needs of raw water Pusporenggo Village.The analyzes carried out include: analysis of watershed area, analysis of raw water needs and calculation of reservoir volume. From the analysis, watershed area of Pusporenggo Smalldam  is 0.339 km² with a river length of 1,281 km. Sediment volume: 15,083.61m³, infiltration volume: 26,101.97m³, evaporation volume: 1,436.55m, volume of raw water requirement: 104,407.88m³. From the volume calculation, it is known that the Pusporenggo Reservoir requires a reservoir volume of: 147.030.00m³. As for the initial design, the Pusporenggo Embung is planned with a spillway elevation of +501.50 and a volume of 234.532.60m³. It can be concluded that this reservoir can be used to fulfill water requirement for other areas.e
STATISTIKA DESKRIPTIF T-TEST UNTUK MEMPERMUDAH PEMILIHAN DATA DARI HASIL PENGUJIAN BETON MENGGUNAKAN SPSS 16.0 Dyah Kumala, Nevy Risna; Pujiastuti, Ratih
Jurnal Teknik Indonesia Vol 3, No 1 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i1.362

Abstract

This study discusses the application of descriptive statistics in the world of construction projects to analyze and interpret the data under study. Considering that time is a crucial thing in the project, it is necessary to have auxiliary tools to increase the time usage effectively for all important elements in the construction project. One of them is to shorten the time to analyze research results from testing concrete or concrete mixtures with case studies. To achieve maximum results, it takes a lot of samples that produce a lot of data. Hence, this study tries to use T-Test analysis of descriptive statistics which can help compare related groups to find out whether there are differences between groups. The results of the case study showed that there was no significant difference between concrete with normal mixture and other mixtures. Thus, the results of the study analysis can be concluded immediately whether the quality of the concrete according to the design criteriaKeywords: Descriptive Statistic, T-Test, The Quality of concrete

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