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All Journal Jurnal Pendidikan Teknologi dan Kejuruan JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Jurnal Teknik Sipil dan Perencanaan Scaffolding
Eko Nugroho Julianto
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Semarang (UNNES) Gedung E4, Kampus Sekaran Gunungpati Semarang 50229, Telp. (024) 8508102
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Mechanical Engineering

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Accuracy Comparison between GPS Real Time Kinematic (RTK) Method and Total Station to Determine The Coordinate of An Area Safrel, Ispen; Julianto, Eko Nugroho; Usman, Nur Qudus
Jurnal Teknik Sipil dan Perencanaan Vol 20, No 2 (2018)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v20i2.16284

Abstract

Abstract. Survey with GPS Real Time Kinematic (RTK) has the advantage of being faster and easier than the total station, but on the other hand the accuracy of GPS Real Time Kinematic (RTK) is considered lacking. This study was to determine the comparison of accuracy and efficiency of measuring land parcels using a total station and GPS Real Time Kinematic (RTK) method. The research location is at the Universitas Negeri Semarang campus by selecting areas that are open or unobstructed to satellites and congested areas or which have many obstacles to satellites. The results of this study indicate that for open areas, measurement with GPS Real Time Kinematic (RTK) method reaches a horizontal accuracy of 0.040 m with a time of 16 minutes 16 seconds. While the measurement using a horizontal accuracy of 0.00 Total Station with a length of time of 26 minutes 47 seconds. For areas that are densely measured, GPS Real Time Kinematic (RTK) achieves horizontal accuracy of 10.053 m with a length of time of 39 minutes 27 seconds. While the measurement using a precision horizontal Total Station 0.00 with the length of time 25 minutes 41 seconds.
KEBUTUHAN BAHAN BAKAR MINYAK DARI SIMPANG BANGKONG MENUJU JEMBATAN BANJIR KANAL TIMUR PADA WAKTU PUNCAK PAGI Julianto, Eko Nugroho
Jurnal Teknik Sipil dan Perencanaan Vol 13, No 2 (2011): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v13i2.7064

Abstract

The number of private vehicles more at certain times, especially at peak hours often results in congestion on some streets in the city of Semarang, congestion causes vehicle operating costs (BOK) and increased travel time for which the value of travel time for each applicable different person or different person. Operational costs consist of the use of road vehicle operating costs (vehicle operating cost) and cost of time (Time value). Both factors were highly correlated with the cost of vehicle speed. Needs fuel to travel the route between the road MT. Haryono to bridge east flood canal on the initial conditions require fuel oil as much as 0.103 liters / smp with a total delay of 65.92 sec / smp for a distance as far as 802 meters and the waking condition requiring fuel oil as much as 0.180 liters / smp with a total delay of 49.76 sec / smp for a distance as far as 2137 meters. Needs fuel to travel the route between Ahmad Yani street to the bridge east flood canal on the initial conditions require fuel oil as much as 0.110 liters / smp with a total delay of 65.83 sec / smp with memempuh distance of 809 meters and the waking condition require materials fuel oil as much as 0.156 liters / smp for a distance of 2101 meters and as far as having no delay.Jumlah kendaraan pribadi yang lebih banyak pada saat‑saat tertentu khususnya pada jam puncak sering mengakibatkan kemacetan di beberapa ruas jalan di kota Semarang, kemacetan ini menyebabkan biaya operasi kendaraan (BOK) dan waktu perjalanan bertambah dimana nilai untuk waktu perjalanan yang berlaku bagi masing‑masing orang atau pribadi berbeda‑beda. Biaya operasional penggunaan jalan terdiri atas biaya operasi kendaraan (vehicle operating cost) dan biaya waktu (Time value). Kedua faktor biaya tersebut sangat terkait dengan kecepatan kendaraan. Kebutuhan bahan bakar minyak untuk menempuh rute antara jalan MT. Haryono sampai jembatan banjir kanal timur pada kondisi awal memerlukan bahan bakar minyak sebanyak 0,103 liter/smp dengan tundaan total sebesar 65,92 detik/smp untuk menempuh jarak sejauh 802 meter dan pada kondisi terbangun memerlukan bahan bakar minyak sebanyak 0,180 liter/smp dengan tundaan total sebesar 49,76 detik/smp untuk menempuh jarak sejauh 2.137 meter. Kebutuhan bahan bakar minyak untuk menempuh rute antara jalan Ahmad Yani sampai jembatan banjir kanal timur pada kondisi awal memerlukan bahan bakar minyak sebanyak 0,110 liter/smp dengan tundaan total sebesar 65,83 detik/smp dengan memempuh jarak sejauh 809 meter dan pada kondisi terbangun memerlukan bahan bakar minyak sebanyak 0,156 liter/smp untuk menempuh jarak sejauh 2.101 meter dan tidak mengalami tundaan.
HUBUNGAN ANTARA KECEPATAN, VOLUME DAN KEPADATAN LALU LINTAS RUAS JALAN SILIWANGI SEMARANG Nugroho Julianto, Eko
Jurnal Teknik Sipil dan Perencanaan Vol 12, No 2 (2010): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v12i2.1348

Abstract

Abstract: The volume of traffic traveling on roads Siliwangi have increased from year to year. Thisis  due  to  the  development  of  this  area. To overcome  the problem  of  traffic  congestion on  these roads  is  required  prior  knowledge  about  traffic  characteristics  and  model  of  the  relationship between these characteristics. This study aims to analyze the model of the relationship between the characteristic volume (V), speed (S) and density (D)  traffic, in accordance with existing conditions. Survey data  includes  traffic volumes and speeds with  the manual count method, being analytical models  include  models  Greenshield,  Greenberg,  and  Underwood.  The  results  showed  that  the relationship model that is suitable for VSD Siliwangi road is to follow the model of Underwood with r = 0859, with the model of Us = 68.20 x exp(-D/-15.05). Keywords: relationship model, Greenshield, Greenberg, Underwood   Abstrak: Volume perjalanan lalu lintas pada ruas jalan Siliwangi mengalami peningkatan dari tahun ke  tahun.  Hal  ini  disebabkan  perkembangan  daerah  ini.  Untuk  mengatasi  masalah  kemacetan lalulintas  pada  ruas  jalan  ini  terlebih  dahulu  diperlukan  pengetahuan mengenai  karakteristik  lalu lintas  dan model  hubungan  antar  karakteristik  tersebut. Kajian  ini  bertujuan menganalisis model hubungan  antar  karakteristik  volume  (V),  kecepatan  (S)  dan  kepadatan  (D)  lalu  lintas,  sesuai dengan kondisi yang ada. Survai data meliputi volume dan kecepatan  lalu  lintas dengan metode manual  count,  sedang  analisis model meliputi model  Greenshield,  Greenberg,  dan  Underwood. Hasil analisis menunjukkan bahwa model hubungan V-S-D yang sesuai untuk ruas  jalan Siliwangi adalah mengikuti model Greenberg dengan nilai  r = 0.773, dengan model Us = 68.20 x exp(-D/-15.05). Kata kunci: model hubungan, greenshield, greenberg, underwood
High Accuracy Geodetic Control Point Measurement Using GPS Geodetic With Static Methods Julianto, Eko Nugroho; Safrel, Ispen; Taveriyanto, Arie
Jurnal Teknik Sipil dan Perencanaan Vol 20, No 2 (2018)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v20i2.16300

Abstract

Abstract. The quality of the coordinates of the points in a generally horizontal control network will be influenced by many factors, such as the system equipment used for measuring / observation, the network geometry, measurement strategies / observation, as well as data processing strategy implemented. Using development of the GPS satellite system, since 1989, the network provision of horizontal control points in Indonesia generally relies on the GPS satellite observations. One way of measuring geodetic control points with high accuracy is using geodetic GPS. Measurement of geodetic control points required as a control in the execution of the work and as a correction coordinate measurement of the position of a measurement object with a high degree of accuracy (± 1 cm). How many measurement methods that can be done. This research conducted measurement using static method. Static surveys are used to determine the coordinates of the control points are relatively distant from each other as well as order accuracy requires relatively higher. The measurement results obtained coordinate data for point 1 is 6 ° 57 '31.92207 "LS; 109 ° 38 '32.25194 "BT; high (ellipsoid) 34 320 m and point 2 is 6 ° 57 '33.59086 "LS; 109 ° 38 '37.87710 "BT; high (ellipsoid) 36 235 m.
PENGARUH CAMPURAN PASIR SUNGAI PENGGARON TERHADAP KUALITAS HASIL PEMBUATAN BATA MERAH DI SEPANJANG SUNGAI PENGGARON PEDURUNGAN KIDUL, KECAMATAN PEDURUNGAN KOTA SEMARANG Julianto, Eko Nugroho
Jurnal Teknik Sipil dan Perencanaan Vol 11, No 2 (2009): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v11i2.1726

Abstract

Influence sand mixture of Penggaron River to quality of brick which yielded from as longas Penggaron River require to conducted research by giving addition raw material with differentsand mixture at each treatment of research covering; group without sand mixture, group with sandmixture 5 %, group with sand mixture 10 % and group with sand mixture 15 % so that from thetreatment each group can know the difference of its quality. With existence of sand mixture [at] clayraw material have positive and negative influence. When make-up the quality seen form physicallysand mixture will be more profit. But from strength, sand mixture will be more harm becauseexistence of sand mixture result degradation of strength depress. The result from analysis of sandmixture and clay raw material that taken from riverbank of Penggaron, hence mixing bestcomposition is 95% sand and 5% clay to be got quality in good shape, because having smalldecrease and transformation and reduction of its strength not too much. Beside
Development of interactive e-module based on video and augmented reality for earthquake technology course Budi, Listiyono; Widodo, Aris; Julianto, Eko Nugroho; Dermawan, Moch Husni; Mayasari, Retno; Chonora, Angelique; Soraya, Angelia Nilam; Ardiansah, Ridwan
Jurnal Pendidikan Teknologi Kejuruan Vol 6 No 3 (2023): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptk.v6i3.33623

Abstract

The implementation of augmented reality and video in instructional media is highly suitable for courses in the field of civil engineering, one of them is the Earthquake Technology. This research employed the Research and Development (R&D) method using the ADDIE model in developing the e-module. The result of this research is an e-module specifically designed for the Earthquake Technology courses. The e-module was validated by media experts, subject matter experts, and students as part of the evaluation process. The average scores from the two media experts were 93.33 and 91.33 for graphic feasibility, and 96.67 and 93.33 for language feasibility. As for the two subject matter experts, the average scores for content feasibility were 89.41 and 88.24, for presentation feasibility were 87.50 and 90.00, and for contextual feasibility were 90.00 and 90.00. Meanwhile, the average score from the students during the pilot study was 89.06. The results of this research indicate that the development of the Earthquake Technology e-module using the ADDIE method has resulted in an e-module with "very good" category in terms of media and "good" category in terms of content. The assessment results from students also indicate that the Earthquake Technology e-module falls into the "good" category. So, it can be concluded that the Earthquake Technology e-module based on video and augmented reality can be totally implemented in the learning process of Earthquake Technology course at higher education institution.
Pengaruh Prestasi Belajar terhadap Employability Skills Siswa Fase F Program Keahlian DPIB SMKN 3 Semarang Fuad, Muhammad Nur; Julianto, Eko Nugroho; Sucipto, Sucipto; Budi, Listiyono
JIPTEK: Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Vol 18, No 2 (2025): July
Publisher : Faculty of Teacher Training and Education Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jiptek.v18i2.86496

Abstract

Data BPS Februari 2023 menunjukkan bahwa lulusan SMK menjadi penyumbang pengangguran tertinggi, yaitu 9,60%. Salah satu penyebabnya adalah kurangnya pemahaman materi, kecerdasan, dan employability skills, yaitu keterampilan dasar untuk masuk dan bertahan di dunia kerja. Penelitian ini bertujuan menganalisis pengaruh prestasi belajar siswa Fase F terhadap employability skills. Populasi penelitian adalah 72 siswa Fase F Program Keahlian DPIB SMK Negeri 3 Semarang dengan teknik total sampling. Pendekatan kuantitatif digunakan untuk mengukur variabel prestasi belajar dan employability skills menggunakan kuesioner. Data dianalisis melalui beberapa uji, yaitu (1) Uji Normalitas, (2) Uji Homogenitas, (3) Uji Linearitas, (4) Uji Korelasi, dan analisis Regresi Linear Sederhana. Hasil menunjukkan prestasi belajar memiliki pengaruh signifikan sebesar 36,4% terhadap employability skills, dengan korelasi 0,603 (kategori kuat). Koefisien regresi 1,086 menunjukkan bahwa setiap peningkatan 1% prestasi belajar meningkatkan employability skills. Indikator dengan pengaruh tertinggi adalah "menyelesaikan masalah" (nilai 218), sedangkan terendah adalah "prakarsa dan usaha" (nilai 188). Aktivitas siswa menunjukkan variasi, tidak seragam di semua aspek.
Pengaruh Persepsi Siswa Tentang Variasi Mengajar Guru Terhadap Minat Belajar Siswa pada Elemen Rencana Biaya dan Penjadwalan Konstruksi Bangunan Kelas XI DPIBSMK Negeri 2 Kendal Chonora, Angelique; Handayani, Sri; Julianto, Eko Nugroho; Yuhanafia, Nurul
Scaffolding Vol. 13 No. 1 (2024): Scaffolding
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/scaffolding.v13i1.5991

Abstract

Penelitian ini bertujuan untuk mengetahui dan menganalisis persepsi siswa tentang variasi mengajar guru terhadap minat belajar siswa pada elemen rencana biaya dan penjadwalan konstruksi bangunan kelas XI DPIB SMK Negeri 2 Kendal, serta untuk mengetahui pengaruh persepsi siswa tentang variasi mengajar guru terhadap minat belajar siswa pada elemen rencana biaya dan penjadwalan konstruksi bangunan kelas XI DPIB.Penelitian ini menggunakan pendekatan kuantitatif serta metode penelitian survey, dengan menggunakan analisis deskriptif dan uji hipotesis menggunakan analisis regresi linier sederhana dengan software SPSS 25.0. Populasi dalam penelitian ini yaitu siswa kelas XI DPIB SMK Negeri 2 Kendal tahun pelajaran 2023/2024. Pada penelitian ini menggunakan teknik pengumpulan data angket. Pada penelitian ini memiliki sumbangan pengaruh sebesar 48% dan memiliki persamaan regresi linier sederhana yakni Y = 5,359 + 0,987X yang memiliki arti bahwa jika persepsi siswa tentang variasi mengajar guru berada pada nilai 0, maka minat belajar siswa memiliki nilai sebesar 5,359, sedangkan koefisien regresi sederhana berada pada nilai 0,987, yang memiliki arti bahwa setiap peningkatan persepsi siswa tentang variasi mengajar guru maka akan menyebabkan peningkatan sejumlah 0,987 terhadap minat belajar siswa. Hasil dari penelitian ini menunjukkan bahwa, 1) Persepsi siswa tentang variasi mengajar guru pada elemen rencana biaya dan penjadwalan konstruksi bangunan di kelas XI DPIB SMK Negeri 2 Kendal menunjukkan hasil yakni pada kategori sedang, 2) Minat belajar siswa pada elemen rencana biaya dan penjadwalan konstruksi bangunan di kelas XI DPIB SMK Negeri 2 Kendal menunjukan hasil tingkat pencapaian yang termasuk dalam kategori sedang, 3) Persepsi siswa tentang variasi mengajar guru berpengaruh terhadap minat belajar siswa. Hal ini menunjukkan bahwa jika siswa memberikan persepsi yang baik tentang variasi mengajar guru, maka akan mendukung siswa untuk memiliki minat belajar yang baik.
Co-Authors Ardiansah, Ridwan Arie Taveriyanto, Arie Aris Widodo Chonora, Angelique Dermawan, Moch Husni Fuad, Muhammad Nur Handayani, Sri Ispen Safrel Listiyono Budi Mayasari, Retno Nur Qudus NURUL YUHANAFIA Soraya, Angelia Nilam Sucipto Sucipto