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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Briliant: Jurnal Riset dan Konseptual Teras Jurnal Rang Teknik Journal SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal DISPROTEK Jurnal Kacapuri : Jurnal Keilmuan Teknik Sipil JURNAL TEKNIK SIPIL UNAYA Jurnal Pengabdian dan Edukasi Sekolah (Jubaedah) Teknika Journal of Civil Engineering and Technology Sciences Jurnal Teknik Sipil Jurnal Civil Engineering Study Jurnal Pengabdian KOLABORATIF Journal of Research and Technology Studies
Kukuh Wisnuaji Widiatmoko
Program Studi Teknik Sipil, Fakultas Teknik, Universitas Semarang
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Perbaikan Tanah Ekspansif Dengan Penambahan Pasir Kasar Sebagai Stabilisator Faizal Mahmud; Hendra Masvika; Kukuh Wisnuaji Widiatmoko; Fahrudin Ahmad
Jurnal Teknik Sipil Vol. 17 No. 1 (2024): Juni 2024
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/jts.v17i1.1394

Abstract

Stabilisasi tanah merupakan suatu langkah untuk meningkatkan sifat-sifat dan kekuatan pada tanah. Salah satu metode untuk meningkatkan daya dukung tanah adalah dengan menambah atau mencampur dengan material yang memiliki nilai daya dukung yang tinggi. Penelitian akan difokuskan pada daya dukung tanah dengan menambah atau mencampur pasir kasar menggunakan pengujian Atterberg Limits dan Proctor yang diharapkan dapat meningkatkan daya dukung tanah terhadap kepadatannya. Penelitian dilakukan di Laboratorium Mekanika Tanah Fakultas Teknik Univesitas Semarang dengan cara membuat sampel dari hasil pemadatan standar, kemudian sampel diberikan penambahan pasir kasar dengan persentase penambahan sebesar 0%, 10%, 30%, dan 50% untuk mendapatkan nilai Atterberg Limits dan Proctor maksimum setelah dilakukan penambahan pasir kasar. Pada masing-masing pengujian didapatkan hasil bahwa pada tanah tersebut mengalami peningkatan daya dukung setelah dilakukan stabilisasi, sehingga dapat disimpulkan bahwa pasir kasardapat digunakan untuk bahan stabilisasi. Pada masing-masing pengujian didapatkan hasil bahwa proses stabilisasi tanah optimum berada pada campuran 50%, hal ini terjadi karena sifat dari pasir kasar yang befungsi sebagai bahan pengisi tetapi tidak memiliki sifat mengikat, sehingga ketika volume pasir kasar telah memenuhi rongga-rongga tanah dan memiliki sisa, maka sisa pasir kasar tersebut akan menumpuk dan memadat bersama tanah sehingga lebih menstabilkan ikatan tanah yang telah terbentuk.
Analisis Kebisingan Lalu Lintas dan Generator Set Kampus Universitas Semarang Fahrudin Ahmad; Roni Kartika Pramuyanti; Kukuh Wisnuaji Widiatmoko
Jurnal Teknik Sipil Vol. 17 No. 2 (2024): Desember 2024
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/jts.v17i2.2363

Abstract

This study analyzes noise levels caused by traffic activities and generator sets (genset) in the Semarang University environment. Measurements were conducted using descriptive analytical methods by comparing measurement results against noise quality standards according to KepmenLH No.48 of 1996. Data collection was carried out in November 2023 at three location points (in front of Building V, Sports Center, and USM gate) during morning (08.00-08.30), afternoon (12.30-13.00), and evening (17.30-18.00) on weekdays and weekends. Measurement results showed traffic noise levels on weekdays reached 88.3 dB in front of the Sports Center, 85.3 dB at Building V, and 82.1 dB at the USM gate. On weekends, the highest noise level reached 82 dB. Generator noise measurements in stationary conditions reached 108.4 dB and increased to 112.4 dB during loading. The highest vehicle volume occurred during weekday evenings, reaching 3,176 vehicles/hour. Research results indicate that noise levels in the campus environment are above the permitted threshold of 55 dB for educational areas. The study recommends the construction of noise barriers and evaluation of generator placement to reduce noise impact on campus activities.
Analisis Nilai Amplitudo Jembatan Rangka Baja Menggunakan Beban Berjalan Dengan Metode Fast Fourier Transform (FFT) Bagus Acung Billahi; Kukuh Wisnuaji Widiatmoko; Faizal Mahmud
Jurnal Teknik Sipil Vol. 18 No. 2 (2025): Desember 2025
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/hbv9my29

Abstract

A steel truss bridge is a structure constructed from a series of interconnected steel bars. The loads received by this structure are analyzed and transferred to the steel bars that make up the structure. Factors that need to be analyzed in bridge construction include the location and surrounding environmental conditions. After identifying the type of soil and bedrock beneath the surface, the materials used must meet strength or durability test standards before the bridge can be operated. The materials used must comply with the Indonesian National Standard (SNI). In addition to the factors mentioned above, the bridge must undergo a feasibility evaluation. Among the various tests used to evaluate bridge strength, one is vibration testing. The vibration test method, when compared to the load test method, shows higher cost efficiency and does not cause damage to the structure.
ANALISA IRIGASI PERSAWAHAN DI DAERAH ALIRAN SUNGAI SILUGONGGO Widiatmoko, Kukuh Wisnuaji
Rang Teknik Journal Vol 9, No 1 (2026): Vol. 9 No. 1 Januari 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v9i1.6558

Abstract

The Silugonggo River is located in Pati Regency, Central Java, this river is included in the Juwana Watershed Area. Most of the residents around the Silugonggo river work as farmers, where every dry season they are faced with a lack of water which results in a decrease in crop yields. Based on the existing problems, an optimization study was carried out on effective planting schedules and patterns in the surrounding area.The area of the irrigation area is determined to be 12 km long, with a radius of 1.5 km on the right and left sides of the river, with an area of 4,891 Ha. The methodology used, including Hydrological Analysis, includes calculating regional average rainfall (Thissen Polygon), effective rainfall (Weibull Probability), Maximum rainfall, mainstay discharge (Weibull), climatological analysis using Evapotranspiration (Modified Penmann), and Percolation, then carried out Analyze water requirements for plants and determine planting pattern schedules. The results of the calculations show that the schedule and planting pattern for Alternative I starts on November 1, because the amount of water required is less than the other alternatives. There are several months where water availability is not able to meet the water needs of the entire DI, this occurs in August II, September I and II.
Pendampingan Pemasangan U-Dicth untuk Saluran Drainase Ruas Jalan Semarang-Godong Provinsi Jawa Tengah Cahyono, Dhamang Budi; Triyono, AR Hanung; Widiatmoko, Kukuh Wisnuaji; Billahi, Bagus Acung; Mahmud, Faizal
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 1 (2026): January
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i1.13143

Abstract

The Community Service Program (PkM) conducted by the Faculty of Engineering, Universitas Semarang, in collaboration with PT. Valentara Sarana Raya and the community of Godong Village aimed to improve the drainage function along the Semarang–Godong road and enhance the technical skills of construction workers through training and mentoring in the installation of precast u-ditch drains. The program was carried out from September to December 2025, with the main field activity on October 24, 2025. A total of 15 workers participated in the training, showing an increase in average scores from 56.7 to 88.5, or a 56.1% improvement, particularly in technical installation and occupational safety practices. Technically, a 120-meter u-ditch channel was successfully installed in compliance with the Ministry of Public Works Regulation No.14/PRT/M/2018, reducing flooding by up to 90%. The activity also established the “Godong Drainage Task Force (POKJA Drainase Godong)” to ensure continuous maintenance. The program outputs include a publication in the journal, online media coverage, a documentation video on the LPPM USM YouTube channel, and a registered intellectual property poster titled “Technical Assistance for U-ditch Installation.” Overall, this PkM successfully improved drainage infrastructure, enhanced the competencies of local workers, and strengthened community participation, serving as a replicable model of sustainable, community-based implementation of the tri dharma of higher education.
Edukasi Pemasangan Sarana Air Minum Di Wilayah Desa Kemambang Kecamatan Banyubiru Kabupaten Semarang Haji, Son; Purnijanto, Bambang; Kusrin; Kustirini, Anik; Widiatmoko, Kukuh Wisnuaji
Jurnal Pengabdian KOLABORATIF Vol. 4 No. 1 (2026): January
Publisher : Faculty of Engineering, Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/kolaboratif.v4i1.13277

Abstract

This community service program was implemented to address the limited technical knowledge and skills of residents in Kemambang Village regarding the provision of safe drinking water, while also strengthening local water management institutions. The activities were conducted using a participatory approach that combined the ABCD method, demonstrations, practices, and the application of appropriate technology. Evaluation results show an increase in community knowledge from a score of 3.13 to 4.60, and an improvement in technical skills from 2.68 to 4.40 after the training. The establishment of the Village Water Management Group (KPAD) indicates growing social capacity and collective commitment toward sustainable water management. The program also generated economic benefits through the adoption of simple, low-cost filtration systems that reduced household expenses. Overall, the program successfully enhanced community capacity in managing safe drinking water and supported village self-reliance in water service provision.
Co-Authors Adolf Situmorang Adwin Pramana, Dio Agus MARGIANTONO Ahmad Hakim Bintang Kuncoro Andhika Wibisono, Mahal Anik Kustirini, Anik Aryana, Srie Adi Asa Mulia Augusta Dian Aulia Bagus Acung Billahi Bagus Acung Billahi Bambang Tutuko Billahi, Bagus Acung Budiono Joko Nugroho Cahyono, Dhamang Budi Christa, Ngudi Hari crista, ngudi Crista, Ngudi Hari Dhamang Budi Cahyono Erlinasari Fahrudin Ahmad Fahrudin Ahmad Fahrudin Ahmad Fahrudin Ahmad Fahrudin Ahmad Fahrudin Ahmad Faizal Mahmud Faizal Mahmud Faizal Mahmud Faizal Mahmud Faizal Faizal Mahmud, Faizal Fitria Maya Lestari Galih Widyarini Hendra Masvika Imam Agung Baskoro Kusrin Kusrin, Kusrin Lintang Enggartiasto Masvika, Hendra pratiwi, yesina intan Purnijanto, Bambang Purwanti, Hani Roni Kartika Pramuyanti roni kartika pramuyanti Roni Kartika Pramuyanti Setyati Budiningrum, Diah Son Haji Son Haji Son haji, Son Sri Wanto Trias Widorini Triyono, Ar Hanung Waryani, Retno Sri Wibisono, Mahal Andhika Yusuf Nurul Hilal