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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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ANALISIS EFEKTIVITAS KINERJA LALU LINTAS SESUDAH ADANYA FLYOVER AHMAD YANI (SEMARANG) Permadi, Dede Yusuf; Sutopo, Shafa Tasya; 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.v3i2.371

Abstract

Semarang City is the capital city of Central Java Province, Indonesia as well as the fifth largest metropolitan city in Indonesia after Jakarta, Surabaya, Medan and Bandung. As one of the most developed cities on the island of Java, Semarang City has a population of 1.68 million people. Semarang Ahmad Yani Airport is the most important airport in Central Java. The existence of the airport in the city of Semarang is quite strategic because it is supported by the high intensity of socio- economic activities. Ahmad Yani Airport itself is part of a series of activities in Central Java. As a service-based city, the city of Semarang certainly requires an airport that is able to connect not only national but also international points. The aim of this research is to analyze the conflict points of congestion at the study site after the construction of the Ahmad Yani Airport Flyover and compare the degree of saturation (S) before and after the construction of the Ahmad Yani Airport Flyover. This study is used the 1997 Indonesian Road Capacity Manual (MKJI) method. Results of the analysis concluse degree of saturation 0.16 < 0.19 for the Puri Anjasmoro road section, and 0.19 < 0.28 for the Anjasmoro Raya road section. Meanwhile, the degree of saturation for the Ahmad Yani Airport Flyover Road section, Semarang is 0.10.
EVALUASI KINERJA LALU LINTAS SEBELUM DAN SESUDAH ADANYA FLYOVER GANEFO MRANGGEN (DEMAK) Khoirunnisa, Novia
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.v3i1.360

Abstract

The flyover construction is an effort to break down traffic jams in Indonesia. One of them is the construction of the Ganefo Mranggen (Demak) flyover. The work on the construction of this flyover has been initiated by the Bina Marga Office of Central Java Province since 2015. When this research took place in 2021, the flyover was still in the process of being completed. So the purpose of this paper is to know the degree of saturation when the flyover is functioning. In this study using research methods in the form of data collection. Because this research is an investigative activity to obtain facts from known symptoms, seek factual information, collect data for evaluation. In this study, secondary data from the Office of Highways 2019 was used. Data collection was obtained from literature studies and direct surveys. Secondary data is data obtained directly from the Related Office. This data is in the form of traffic volume survey data and road geometry. The result of this research is that after construction of the flyover the degree of saturation is reduced which was originally for the direction of Semarang - Purwodadi of 0.45 with a service level of C to 0.17 with a service level of A. As for the opposite direction or the direction of Purwodadi - Semarang, the degree the initial saturation was 0.81 with service level D to 0.33 with service level B. So it can be seen that the flyover construction has a significant impact on the service level of road performance.Keywords: flyover, degree saturation, point of conflict
REDESIGN SHORE PROTECTION KAWASAN INDUSTRI KENDAL (KIK) Rizal, Fachri Fatkhur; Sulistriono, Endro; Apriyanto, Totok; Pujiastuti, Ratih
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.v5i1.546

Abstract

Abrasion incidents on the coastline in the KIK area continue to occur and cause the area boundaries to decline. so that appropriate coastal protection structures are needed. The aim of this research is to carry out re-planning in the Kendal Industrial Area (KIK) in the future area boundary plan. In carrying out this research, daily wind data for the period 2017 - 2023 is needed from a nearby location, namely the Tanjung Emas Maritime Meteorological Station, Semarang. The analysis carried out includes fetch, windrose, wave calculations, building design and force calculations in shore protection construction. From the results of the windrose analysis, the dominant wave direction is northwest. Analysis of waves in the deep sea obtained a height value of 2.45 m and a wave period of 8.32 sec. Based on the calculation results, breaking waves will occur at a depth of 2.02 m. Because the building location is at a depth of 2m, where breaking waves occur, the breaking wave height is used in building planning. The coastal protection building chosen is shore protection construction or a tetrapod sea wall. Peak elevation of 4.76 meters, peak width of 3.55 meters, building base length of 22.45 meters, back slope of 1:1, arm slope of 1:2, the first type of protective layer material uses tetrapods, second and third layer using split stone pairs with 2 size combinations.
PERENCANAAN STRUKTUR BANGUNAN GEDUNG ASRAMA HAJI SEMARANG Rizkiyawan, Fajar; Triyanto, Bambang; 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.v4i1.418

Abstract

Planning the Structure of the Semarang Hajj Dormitory Building is located on Jl. Abdul Rahman Saleh No. 285, Kalipancur, Kec. Ngaliyan, Semarang City, Central Java. This arama was built to improve the facilities and infrastructure of pilgrims in the Semarang area.The planning of this building is carried out with primary data such as data from soil sondir, and is equipped with other secondary data. This structural planning analysis is assisted by the SAP 2000 software application (Structure Analyst Program) for structural modeling and calculating internal forces. The analysis carried out includes: calculation of the structure of the Foundation, Columns, Beams, Plates and Roofs.From the results of the analysis obtained the type of foundation using piles with P1:1.00x1.75x0.70 m with 2 piles measuring 30x30 cm 9 m depth, P2:1.80x1.80x0.70 m with 4 piles measuring 35x35 cm depth 9 m, P3:1,90x1,90x0,70 m with 5 piles measuring 30x30 cm with a depth of 9 m. beam size 40x70 3-D22 principal reinforcement (support) 10-150 shear reinforcement, 3-D22 principal reinforcement (field) 10-150 shear reinforcement. beam size 30x50 2-D22 principal reinforcement (support) 10-150 shear reinforcement, 2-D22 main reinforcement (field) 10-150 shear reinforcement. beam size 15x30 main reinforcement 2-D19 (support) shear reinforcement 10-150, 2-D19 main reinforcement (field) shear reinforcement 10-150. Column 60x60 main reinforcement 8-D25, shear reinforcement 10-150. Column 70x70 main reinforcement 12-D25, shear reinforcement 10-150. Roof rafter beam WF 250.125.6.9, steel column WF 250.125.6.9, gording C. 125.50.20.2,3, roof covering: steel roof (span deck) distance between roof rafter beams 4 m, distance between steel columns 4 m, distance between gording 1 m, bolt diameter using 16 mm and steel anchor diameter 16 mm (length 50 cm). From the calculation results, each element of the building structure can be categorized as safe.
PERENCANAAN TEBAL PERKERASAN KAKU (RIGID PAVEMENT) DENGAN METODE BINA MARGA (STUDI KASUS PENINGKATAN JALAN DURIAN RAYA KOTA SEMARANG) Nugroho, Yuniar Anang; Wibowo, Untung
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.v3i1.365

Abstract

Semarang in the development of the next 20-50 years will experience many impacts of delays in traffic movement in it. To overcome the various impacts that arise, the development of a road network is an important option. The alternative choice of road network development solutions must be selective in choosing the location. One of the strategic choices at this time is the Outer Ring Road (outer ring road) Semarang. The Outer Ring Road is expected to divert the continuous flow not through the center of Semarang City, thereby reducing the possibility of delays in the center of Semarang City. This alternative is also expected to develop the Semarang City area. This alternative solution is expected to support the development of Semarang City into a Metropolitan City with smooth traffic movement. The development of Semarang City in the next 20-50 years is expected to be more friendly and provide a sense of security and comfort to its residents as expected in the vision of the City of Semarang (Nugroho, 2009). Physical facilities and infrastructure (infrastructure) in an area are very important and vital for the running of the economic wheels of the local community, the accumulation of increasing people's living standards will be driven automatically by the good or bad conditions and conditions of the existing facilities and infrastructure. One of these infrastructure facilities which quite main is the road. With good road infrastructure, it is easier to access from one place to another, so that economic growth in the area will be faster. Where on Jl. Durian Banyumanik Semarang city is an access road for entry and exit from the Banyumanik toll gate to the southern part of the city of Semarang, to be precise towards Jl. Setia Budi, Jalan Durian Banyumanik, is planned by the City Government to later become one of the supporting roads for the Semarang Outer Ring Road (SORR).Keywords: Semarang, SORR, facilities, infrastructure
PERENCANAAN SHOULDER PILE PENAHAN LONGSORAN DI LOKASI A1-P1 JEMBATAN PENGGARON (STUDI KASUS PROYEK PEMELIHARAAN JEMBATAN PENGGARON TAHUN 2019-2020) Idham Kholik
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

A bridge is one of the constructions that functions to connect two parts of the road that were cut off due to obstacles such as deep valleys, rivers, railroads, roads that cross not a level and others. So in the construction of a bridge, calculations and attention to other aspects such as nature and the surrounding environment are needed which can affect the stability of the bridge itself. One of the things that can disturb the balance of the bridge is landslides. Handling of landslide hazards is also carried out at the Penggaron bridge which is located on the Trans Jawajalur Semarang - Solo toll road Km 427 + 400 - 427 + 800 with a length of 400, one of which is by making a Shoulder Pile to withstand landslides as well as analyzing the environmental impacts (natural consequences) that occur by looking at and analyzing data from the bore log.Keywords: Bridge, Toll Road, Shoulder Pile, Landslide
Perencanaan Fondasi Pada Pembangunan Gedung 5 Lantai Rumah Sakit Puri Asih Salatiga Lestari, Andini Eka; Wahyuda, Rafly Nur; Apriyanto, Totok; Wibowo, Agung Hari
Jurnal Teknik Indonesia Vol 5, No 2 (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.v5i2.648

Abstract

A foundation is a part of a system of substructures that holds its own weight and the entire force load of the superstructure, then passes it on to the soil and rock layers located underneath. Foundation Planning must be done carefully to obtain the appropriate carrying capacity to support the load of the structure on it. Good Foundation Planning will avoid the collapse of the structure on top of it. Before planning the foundation, it is good to carry out a soil investigation to determine the type of foundation used, in addition to the results of the soil investigation can determine the treatment of the soil so that the carrying capacity can support the construction to be built. In the research on foundation planning for this five-storey building structure, it is known that the carrying capacity value generated from sondir data with a qc value of 150 kg/cm2 calculated using the Mayerhoff method is 28198.26 kN/m2. With a combination of serving loads, the bore pile foundation is planned with a diameter of 0.5 meters and a depth of 4 meters. For reinforcement design, a combination of ultimate loads is used. From the results of the calculation of the main reinforcement used 12 D19 and the spiral reinforcement used Ø10.
Identifikasi Geolistrik Pada Lokasi Amblasan Jalan Gombel Lama Semarang Wibowo, Agung Hari; Saptorini, Takdir Rochjati
Jurnal Teknik Indonesia Vol 5, No 2 (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.v5i2.615

Abstract

Amblasan yang terjadi pada konstruksi jalan seringkali disebabkan oleh adanya deformasi tanah. Selain akibat perubahan komposisi pembentuknya, deformasi tanah juga disebabkan oleh gravitasi dan bidang gelincirnya. Pada umumnya bidang gelincir ditandai oleh adanya lapisan kedap di bawah lapisan permeable. Disamping posisi bidang gelincir, penyelidikan tanah yang mengalami deformasi juga meliputi karakteristik litologi dari masing-masing lapisan. Salah satu upaya untuk melakukan penyelidikan mengenai litologi lapisan tanah dan bidang gelincir dapat dilakukan dengan geolistrik. Melalui geolistrik yang dilakukan pada 4 line pengujian, didapatkan data litologi di bawah amblasan Jalan Gombel lama diantaranya adalah tanah penutup tebal 1 sampai 2 meter, pasir kerikilan tebal 1 sampai 4,4 meter, lempung tufaan tebalan mencapai 8 meter, breksi vulkanik tebal 1 sampai 11 meter, batu lempung tebal 10 hingga > 20 meter, dan batu pasir yang memiliki ketebala 4 sampai dengan 18 meter. Bidang gelincir ditemukan di atas lapisan batu lempung tufaan pada kedalaman 2 meter dan batu lempung pada kedalaman 17 meter untuk titik GL-1 dan GL-2, sedangkan pada titik GL-3 bidang gelincir terletak pada kedalaman12 dan 20 meter.
DISTRIBUSI SEDIMEN PADA WADUK JATIBARANG, KOTA SEMARANG Lestari, Fitria Maya; Pujiastuti, Ratih; Afifah, Risdiana Cholifatul
Jurnal Teknik Indonesia Vol 5, No 2 (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.v5i2.662

Abstract

The main issue in the operation of reservoirs is sedimentation. This can lead to silting and affect the reservoir's storage capacity. The distribution of sediments needs to be understood in order to gain an overview of their spread, so that measures can be taken to address sediment-related issues in the Jatibarang Reservoir. The analysis was conducted using sediment data from previous studies, which reported a total sediment volume of 6.64 million m³ over a period of 50 years. Based on topographic data, it was found that the Jatibarang Reservoir is classified as Type III, with a "hill" classification. The analysis results showed that the dimensionless factor F is 0.22, with a relative depth p of 0.53. Based on the sediment distribution analysis of the Jatibarang Reservoir with Empirical Area Reduction Method, it was found that after 50 years of operation, the new zero elevation of the reservoir would be at an elevation of +126.82 m. In comparison with the low water surface elevation at the existing dead storage of the Jatibarang Reservoir, which is at +136 m, it can be concluded that the Jatibarang reservoir can operate according to the planned lifespan and can still function for more than 50 years
Perhitungan dan Desain Fondasi Telapak Berbasis Data Sondir Pada Rencana Pembangunan Gedung 2 Lantai Rektorat Undaris Abdullah, Abdullah; Wibowo, Agung Hari
Jurnal Teknik Indonesia Vol 5, No 2 (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.v5i2.596

Abstract

Perencanaan Fondasi dilakukan secara cermat untuk mendapatkan daya dukung yang sesuai untuk menopang beban struktur di atasnya. Perencanaan Fondasi yang baik akan menghindarkan keruntuhan struktur di atasnya. Fondasi dalam sebuah sistem struktur bertugas menyalurkan beban struktur ke tanah di bawahnya. Model fondasi telapak terpisah sangat bergantung pada luasannya dalam perhitungan tekanan sentuh di dasar fondasi. Semakin luas telapak fondasi, maka semakin kecil pula tekanan sentuh yang ditimbulkan. Besar kecilnya perancangan tekanan sentuh ini sangat dipengaruhi kemampuan tanah di bawahnya untuk mendukung struktur secara keseluruhan. Dalam penelitian tentang perancangan Fondasi untuk struktur bangunan dua lantai ini diketahui nilai daya dukung ijin dari data sondir dengan nilai qc 45 kg/cm2 menurut Schmertmann adalah 676,67 kN/m2. Nilai ini lebih kecil jika dibandingkan dengan Mayerhoff dan Herminier yang masing-masing meberikan qijin sebesar 975 dan 1000 kN/m2. Dengan kombinasi beban layan, telapak fondasi dirancang dengan dimensi 1,40 x 1,40 m sehingga menghasilkan qmax di dasar fondasi 439,297 kN/m2 yang masih di bawah qijin. Untuk perancangan tulangan, digunakan kombinasi beban ultimit. Analisa struktur yang dilakukan mendapatkan gaya reaksi tumpuan yang selanjutnya digunakan sebagai input perancangan. Dari hasil perhitungan didapatkan tulangan lentur pada arah x maupun y dengan D16-200. Tulangan susut arah x dan y dipasang D13-200, sementara untuk tulangan geser digunakan tulangan geser praktis D13-400/400.

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