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All Journal Jurnal Teknik Sipil dan Perencanaan Sainteknol : Jurnal Sains dan Teknologi Jurnal Transportasi Prosiding Forum Studi Transportasi Antar Perguruan Tinggi SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Journal of Community Development Journal of Artificial Intelligence and Digital Business Journal of Civil Engineering and Vocational Education Sainteknol : Jurnal Sains dan Teknologi
Agung Budiwirawan
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Semarang (UNNES) Kampus Unnes Gd E4, Sekaran, Gunungpati, Semarang 50229
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PENGARUH ANGKUTAN UMUM PADA LALU LINTAS DI PERSIMPANGAN DENGAN LAMPU PENGATUR LALU LINTAS Budiwirawan, Agung
Jurnal Teknik Sipil dan Perencanaan Vol 12, No 1 (2010): Jurnal Teknik Sipil & Perencanaan
Publisher : Semarang State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v12i1.25480

Abstract

Abstract:  This research was conducted to know the maneuver of public passenger car (PPC) on an intersection, to determine the passenger car equivalent (pce) of the public passenger car and to analyze whether the stopping near intersection, PPC reduces the actual saturation flow. From this research can be known that PPC prefer using left lane because the driver want to get the closest distance to the passenger waiting on the left side of the road. PPC also prefer stopping at the place where the passenger is comfortable for waiting near the intersection.The pce of PPC is different from the pce of light vehicle. Based on the capacity method, pce of PPC are 1.13 and 1.201. Based on the headway method, pce of PPC are 1.203 ans 1.234. The stopping PPCs near intersection reduce the saturation flow. The reduction of the saturation flow caused by the stopping PPC are 0.929 and 0.938.Key words: intersection, passenger car equivalent, public passenger carAbstrak:  Penelitian ini dilakukan untuk mengetahui perilaku mobil penumpang umum (MPU) pada suatu persimpangan jalan, menentukan nilai ekivalensi mobil penumpang (emp) dari mobil penumpang umum tersebut dan meneliti adakah pengaruh dari mobil penumpang umum yang berhenti di dekat persimpangan jalan terhadap arus jenuh yang terjadi. Dari penelitian ini dapat diketahui bahwa mobil penumpang umum sering menggunakan lajur sebelah kiri yang disebabkan karena adanya keinginan dari pengemudi mobil penumpang umum untuk mendapatkan jarak yang terdekat dengan calon penumpang yang menunggu di sebelah kiri jalan. Selain itu mobil penumpang umum cenderung untuk berhenti di tempat adanya calon penumpang, yaitu di dekat persimpangan jalan yang memiliki kondisi nyaman untuk menunggu. Nilai ekivalensi mobil penumpang umum berbeda dengan mobil pribadi atau kendaraan ringan lainnya. Hal ini dapat dilihat dari nilai emp dari mobil penumpang umum antara 1,13 sampai dengan 1,201 hasil dari metode kapasitas dan antara 1,203 sampai dengan 1,234 hasil dari metode headway. Kebiasaan berhenti mobil penumpang umum di dekat persimpangan ternyata mereduksi arus jenuh yang terjadi. Perbandingan arus jenuh yang terjadi pada kondisi adanya mobil penumpang umum yang berhenti dibandingkan dengan arus jenuh tanpa adanya mobil penumpang umum yang berhenti sebesar 0,929 sampai dengan 0,938.Kata kunci: persimpangan, ekivalensi mobil penumpang, mobil penumpang umum
Analysis of the Advantages and Disadvantages of Using Autodesk Revit for the Dean Building of the Faculty of Education, Universitas Negeri Semarang Yuvita, Rizky Lucky; Budiwirawan, Agung
Jurnal Teknik Sipil dan Perencanaan Vol 24, No 2 (2022)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v24i2.36613

Abstract

Abstract. Building Information Modeling (BIM) as a supporting software of the fourth phase of the industrial revolution in Indonesia in the construction sector is a digital technology mode to increase the efficiency and accuracy of construction work to avoid mistakes during the planning to the implementation period. This study uses the Autodesk Revit application to provide the output of working drawings, 3D modeling, and calculate the volume and cost of work carried out in the Dean building of the Faculty of Education, Universitas Negeri Semarang. The purpose of this study is to determine the advantages and disadvantages of using Autodesk Revit for planning the Dean building of the Faculty of Education, Universitas Negeri Semarang. The results of this study are the advantages of using Autodesk Revit for building modeling, including providing convenience with design integration in one application, and avoiding crashes between designs. Autodesk Revit also has weaknesses, such as the need for high hardware specifications on the device, high license prices, the application it is necessary to create a new material family according to the design and size required, Autodesk Revit cannot calculate the preparatory work because the calculation of the volume and cost of Autodesk Revit work is limited to data input.
Education Building Maintenance Priority Strategy Consider Safety Condition Using Analytical Hierarchy Process (AHP) Arifin, Muhammad Faizal Ardhiansyah; Aditya, Yoga; Budiwirawan, Agung; Sutarto, Agung; Taveriyanto, Arie
Jurnal Teknik Sipil dan Perencanaan Vol 24, No 1 (2022)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v24i1.35980

Abstract

Abstract. Buildings with component degradation are a common challenge for all construction companies across the world. There are various building's components that it is challenging for construction companies to manage them all at once. It was not considered that the building agency is responsible for more than one building at a time. These issues have gotten more complicated as a result of the building agencies' limited financial resources for building maintenance. This study attempts to provide a visible solution to manage the building maintenance strategy based on complex building maintenance problems. The Analytical Hierarchy Process was used to give a complete way for assessing the building's condition (AHP). This method developed in this study was applied to define the building condition and followed by determining the building priority to be maintained. The building component in this study was specified into three specific components such as interior, exterior, and building utility. To complete this method, a three-level priority factor was determined with consideration from the safety factor follow by the functionality factor, dan the last is an esthetic factor. The developed model shows a proper and reliable solution related to the degradation of building components and their functionalities.
Repetitive Construction Scheduling for Solo-Yogyakarta-NYIA Kulon Progo Toll Road Overpass using Line of Balance Budiwirawan, Agung; Raharja, Edwin Firgyan; Arifin, Muhammad Faizal Ardhiansyah
Jurnal Teknik Sipil dan Perencanaan Vol 25, No 2 (2023)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v25i2.44489

Abstract

Repetitive construction requires continuous and uninterrupted supply of resources; hence, a suitable scheduling method that matches the work characteristics is required. Line of Balance is a scheduling method in the form of a line chart that represents recurring work. Considering the existing work items, Ngasem Overpass Bridge Solo-Yogyakarta-NYIA Kulon Progo Toll Road Project can be categorized as a repetitive construction project. Therefore, this research tries to apply LoB to this overpass project to determine whether LoB can efficiently manage a repetitive construction project. Two scheduling scenarios are applied in this study. The first scenario is implemented with the aim of producing a schedule that uses resources continuously and uninterruptedly. While the second scenario is applied to produce a schedule with the shortest duration. LoB based on the first scenario succeeded in compiling a schedule that uses resources continuously and uninterruptedly. Schedule based on the second scenario results in the shortest duration by severing the use of resources for short-duration jobs that are preceded and followed by longer-duration jobs. In addition to generating schedules according to the desired scenario, LoB has proved its ease in managing scheduling in terms of the continuity of resource use and the speed of completion of work.
Implementasi SMARCOS: Smart Water Conditioning System Berbasis Web-IoT di Balai Benih Ikan Kecamatan Mijen Semarang Nugroho, Anan; Subagja, Mona; Hidayat, Syahroni; Budiwirawan, Agung; Diyanasari, Ledi; Simanjuntak, Jhonatur Stheven; Wahyudi, Tri Agus; Fikri, Akmal
Journal of Community Development Vol. 6 No. 1 (2025): August
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v6i1.1459

Abstract

Effective water quality management is crucial for fish hatcheries to ensure survival and productivity. At the Fish Hatchery Center (BBI) Cangkiran Mijen, water quality monitoring is still conducted manually, leading to unstable pond conditions. To improve monitoring efficiency, SMARCOS (Smart Water Conditioning System) was developed as a Web-IoT-based system for automated monitoring of water parameters such as pH, oxygen, and temperature. The program involved pond data collection, expert consultation, system design, testing, implementation, and partner training. Evaluation was conducted through satisfaction surveys and system performance monitoring. Results showed that SMARCOS effectively corrected water quality parameters automatically, enhanced monitoring efficiency, and provided easy access to information via an IoT-based website. Surveys indicated that partners were satisfied with the system’s usability. The adoption of IoT for water quality monitoring significantly improved the efficiency and accuracy of hatchery pond management. Training sessions also increased partner understanding of IoT technology. The success of SMARCOS demonstrates that IoT can be an innovative solution for fisheries modernization, with potential replication in other hatcheries to enhance productivity and efficiency in aquaculture.
Analysis the Influence of 4C Skills in Improving Employability Skills and Learning Achievement of Vocational School Nugroho, Eko; Wilonoyudho, Saratri; Budiwirawan, Agung; Nur, Muhammad; Putri, Aulia
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.605

Abstract

Economic and technological advances in Indonesia require vocational school graduates to be able to work competently according to their fields. The Ministry of Education and Culture supports the 21st century learning model which refers to the 4C skills, namely Communication, Collaboration, Critical Thinking and Creative. Achievement in the learning process is used to measure the achievement of goals and the intelligence of students. To be able to enter and survive in the world of work, it is also necessary to prepare attitudes, character and skills in work or employability skills that start from the learning process. This study aims to analyze the influence of 4C skills in improving employability skills and learning outcomes. The approach used in this study is quantitative with the student population of the DPIB Expertise Program of SMK Negeri 3 Semarang. The sampling technique uses a total sampling of 72 respondents. This study uses multiple linear regression analysis techniques that have previously gone through analytical tests including (1) Normality Test, (2) Homogeneity Test, (3) Linearity Test. The results of the study showed that (1) there was an influence between learning achievement on 4C skills with a T value of 4.660, (2) there was an influence between employability skills on 4C skills with a T value of 9.520, and (3) there was a simultaneous effect between learning achievement and employability skills against 4C skills with an F value of 55.937. The simultaneous correlation of the three variables was 78.6% with a simultaneous influence value of 61.9%, the remaining value of 38.1% was influenced by other factors that were not studied by the researcher.
Density–Porosity Interplay in Epoxy‑Based Syntactic Foams Reinforced with K15 Glass‑Silica Microballoons Hidyus, Sofi Alifia; Budiwirawan, Agung; Musyono, Ari Dwi Nur Indriawan; Setiadi, Rizky; Bunyamin, Bunyamin
Sainteknol : Jurnal Sains dan Teknologi Vol. 23 No. 2 (2025): December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v23i2.23886

Abstract

Syntactic foam is a lightweight, high‑strength composite consisting of a polymer matrix filled with hollow microspheres (microballoons). This study examines how the volume fraction of glass‑clad silica microballoons K15 (10–50 vol %) affects the density, porosity, and void distribution of epoxy‑bonded syntactic foams. Specimens were molded in accordance with ASTM D790, conditioned for 48 h (23 ± 2 °C; 50  ±  5 % RH), and their density was measured by the pycnometric method specified in ASTM D792. Porosity was calculated theoretically and validated by SEM–EDS imaging of fracture cross‑sections. Results show a linear decrease in density from 1.15 g cm⁻³ (0 vol %) to 0.63 g cm⁻³ (50 vol %), while porosity rises exponentially from 2.7 % to 18.4 %. Morphological analysis confirms a homogeneous microballoon dispersion up to 30 vol %, but agglomeration and interbinder voids appear above 40 vol %, leading to uncontrolled porosity. A strong negative correlation (R² = 0.96) is observed between density and effective porosity. A 30 vol % K15 loading is identified as the optimum, achieving a 28 % density reduction without a significant porosity spike. These findings provide a basis for designing sandwich cores and amphibious flotation structures that require high strength‑to‑weight ratios.
Peningkatan kapasitas pakan ternak kambing dengan mesin pencacah rumput pada kelompok ternak Munaya Barokah Kabupaten Kudus Budiwirawan, Agung; Naryanto, Rizqi Fitri; Setiadi, Rizki; Musyono, Ari Dwi Nur Indriawan; Bunajar, Habib; Pambudi, Rofex; Arafah, Iqbal Rasendriya; Aryadi, Adit
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 10, No 1 (2026): February
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v10i1.37702

Abstract

Abstrak Peternakan kambing merupakan salah satu aktivitas ekonomi di kabupaten Kudus. Permasalahan yang dialami mitra yaitu pemotongan rumput untuk pakan ternak masih manual dan kurang efektif. Rumput dipotong dalam jumlah besar dan memerlukan waktu pemotongan yang lebih lama, yang membuatnya kurang efisien untuk memenuhi kebutuhan pakan ternak yang besar. Salah satu upaya yang dapat dilakukan yaitu mengatasi efisiensi pakan ternak dengan Mitra kelompok ternak Munaya Barokah dengan peserta sebanyak 7 orang. Solusi yang dilakukan yaitu dengan peningkatan kompetensi pembuatan alat dan pelatihan pembuatan pakan ternak. Mesin pencacah rumput tidak hanya dapat mempercepat proses persiapan pakan, tetapi juga dapat meningkatkan ketersediaan pakan yang lebih mudah dicerna ternak, dapat meningkatkan produktivitas dan kesejahteraan ternak kambing. Metode kegiatan yang dilakukan yaitu survey, ceramah dan demonstrasi, praktik langsung, serta pendampingan. Kegiatan survey dilakukan untuk menemukan permasalahan mitra. Kegiatan ceramah dan demonstrasi dilakukan untuk memberikan pelatihan dan pemahaman prosedur dalam pembuatan alat pencacah rumput. Pada tahap praktik langsung tim pengabdian bekerjasama dengan mitra dalam proses pembuatan alat pencacah rumput ternak. Setelah alat dibuat langsung diemplementasikan dan dilakukan pendampingan. Kegiatan pengabdian yang telah dilakukan telah menghasilkan mesin pencacah rumput dan mitra dapat mengoperasikan mesin pencacah rumput dan memiliki pengetahuan perawatan mesin. Kata kunci: pakan ternak; kambing; mesin; pencacah rumput; teknologi tepat guna. Abstract  Goat farming is one of the economic activities in Kudus Regency. The problem experienced by partners is that grass cutting for animal feed is still manual and ineffective. Grass is cut in large quantities and requires a longer cutting time, which makes it less efficient to meet the large livestock feed needs. One effort that can be done is to address livestock feed efficiency with partners from the Munaya Barokah livestock group with 7 participants. The solution is to improve the competence of tool making and training in animal feed production. The grass chopper machine not only can speed up the feed preparation process but also can increase the availability of feed that is more easily digested by livestock, can improve productivity and welfare of goats. The activity methods used are surveys, lectures and demonstrations, direct practice, and mentoring. The survey activity was conducted to identify partner problems. Lectures and demonstrations were conducted to provide training and understanding of the procedures in making the grass chopper. During the direct practice stage, the community service team collaborated with partners in the process of making the grass chopper. After the tool was made, it was immediately implemented and mentoring was provided. The community service activities that have been carried out have produced a grass chopper machine, and partners are able to operate the grass chopper and have knowledge of machine maintenance. Keywords: animal feed; goats; machines; grass chopper.
Pengendalian Proyek Konstruksi Real-Time Menggunakan Google Apps Script dan Earned Value Method Hanifah, Umi Nur Himmatul; Budiwirawan, Agung
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.7764

Abstract

Keterlambatan proyek konstruksi sering tidak terdeteksi dengan cepat karena sistem pemantauan masih bergantung pada laporan mingguan manual, sehingga respons terhadap penyimpangan menjadi terlambat dan berpotensi menimbulkan kerugian biaya maupun waktu. Penelitian ini mengembangkan sistem pemantauan kemajuan proyek konstruksi secara real-time berbasis Google Sheets dan Google Apps Script, yang dilengkapi dengan pemberitahuan email otomatis menggunakan API Gmail sebagai peringatan dini terhadap keterlambatan. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan model Waterfall untuk pengembangan sistem dan deskriptif kuantitatif untuk analisis kinerja proyek. Sistem ini terdiri dari empat bagian yang saling terintegrasi: Sheet Data (penjadwalan otomatis), Sheet Monitoring (pemantauan status real-time), Sheet Tracking (perhitungan Earned Value Method), dan Sheet Alert (pemberitahuan email otomatis). Pengujian black-box menunjukkan bahwa kesepuluh skenario fungsional bekerja sebagaimana mestinya tanpa ditemukan kegagalan fungsional. Sistem ini mereplikasi tujuh dari sembilan fitur utama Microsoft Project, ditambah dengan manfaat tambahan berupa pemberitahuan email otomatis dan kolaborasi real-time tanpa biaya lisensi, menjadikannya alternatif yang efektif dan hemat biaya bagi kontraktor berskala kecil dan menengah. Validasi pada proyek konstruksi Oprit Jembatan Kemudi di Kabupaten Gresik (nilai kontrak Rp5.106.165.087,03, durasi 24 minggu) menunjukkan bahwa sistem dapat mendeteksi keterlambatan sejak minggu ke-13 (SPI minimum 0,81), mengirimkan pemberitahuan dini kepada pemangku kepentingan, dan menghasilkan penghematan biaya sebesar Rp127.406.308,58 atau 2,49% dari nilai kontrak.
Optimalisasi Desain Plat Lantai Beton Bertulang berdasarkan Harga Terendah Menggunakan Metode Genetic Algorithm Murtaza, Ahmad Faadhil; Budiwirawan, Agung
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 2 (2026): Mei-Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i2.7791

Abstract

Perencanaan plat lantai beton bertulang secara konvensional menggunakan pendekatan trial and error sering menghasilkan desain yang konservatif sehingga tidak efisien dari segi biaya dan penggunaan material. Penelitian ini bertujuan mengembangkan model optimalisasi desain plat lantai beton bertulang tipe one-way slab berbasis Python dengan menerapkan metode Genetic Algorithm (GA) untuk memperoleh konfigurasi desain berbiaya konstruksi minimum. Kebaruan penelitian terletak pada integrasi otomatis ketentuan SNI dan analisis biaya lokal AHSP Kota Semarang dalam fungsi evaluasi GA. Variabel desain yang dioptimalkan meliputi tebal plat (H), diameter tulangan (Db), mutu beton (fc'), dan jarak tulangan (S), dengan batasan teknis berupa kapasitas lentur dan kontrol lendutan sesuai SNI 2847:2019, SNI 2052:2017, dan SNI 1727:2020. Parameter GA yang digunakan adalah populasi POP_SIZE = 60 individu, generasi maksimum GENERATIONS = 80, laju mutasi MUTATION_RATE = 0,1, dan nilai penalti PENALTY = 1×10⁹ terhadap pelanggaran batasan. Hasil optimasi menunjukkan konfigurasi desain optimal dengan tebal plat 120 mm, diameter tulangan 10 mm, mutu beton 21 MPa, dan jarak tulangan 500 mm, menghasilkan biaya total Rp 3.207.451. Validasi kelayakan struktur membuktikan desain memenuhi persyaratan kekuatan lentur (KUAT) dan batas lendutan (LENDUTAN). Lima solusi terbaik GA menyajikan alternatif desain dengan rentang biaya Rp 3.207.451 hingga Rp 4.116.091. Dibandingkan dengan pendekatan konvensional, metode GA mampu menghasilkan penghematan biaya sebesar 3,0% terhadap desain dengan tebal 125 mm dan fc' 25 MPa, serta 3,2% terhadap desain dengan diameter tulangan 16 mm, tanpa mengorbankan keamanan struktur.
Co-Authors Aditya, Yoga Agung Sutarto Alfa Narendra Arafah, Iqbal Rasendriya Arie Taveriyanto, Arie Aryadi, Adit Aulia Putri Bambang Haryadi Bambang Riyanto Bunajar, Habib Bunyamin Bunyamin Diyanasari, Ledi Eko Nugroho Endah Kanti Pengestuti Fikri, Akmal Hanifah, Umi Nur Himmatul Hery Widijanto Hidyus, Sofi Alifia Muhammad Faizal Ardhiansyah Arifin, Muhammad Faizal Ardhiansyah Muhammad Nur Murtaza, Ahmad Faadhil Mustafid Mustafid Musyono, Ari Dwi Nur Indriawan Nugroho, Anan Pambudi, Rofex Raharja, Edwin Firgyan Rizqi Fitri Naryanto Saratri Wilonoyudho Setiadi, Rizki Simanjuntak, Jhonatur Stheven Subagja, Mona Syahroni Hidayat Wahyudi, Tri Agus Yuvita, Rizky Lucky