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NUMERICAL ANALYSIS OF POST RAINFALL SLOPE STABILITY WITH REINFORCEMENT CASE STUDY IN PURWOSARI KULON PROGO Yuli Fajarwati; Zalfa Nabila; Dian Eksana Wibowo; Endaryanta Endaryanta
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 31 No. 1 (2026): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v31i1.7186

Abstract

Continuous rainfall over several days caused a landslide along Jalan Penggung, Purwosari Village, Girimulyo District, Kulon Progo Regency. This study was conducted to analyse slope stability under rainfall conditions and to evaluate reinforcement alternatives including soil nailing, ground anchors, and gabions. The slope topography was obtained from DEMNAS data and processed using AutoCAD Civil 3D, while soil parameters were derived from laboratory testing. Rainfall data were obtained from the JAXA satellite and effective rainfall infiltration was calculated using the SCS-CN method. The infiltration was modelled using SEEP/W and the slope stability was subsequently analysed using SLOPE/W with and without reinforcement. The analysis of the existing slope without seismic loading produced an initial safety factor (SF) of 0.922, which decreased to 0.801 after one day of rainfall. When seismic loading was considered, the initial SF was 0.639 and further decreased to 0.550 after one day. These results indicate that the existing slope is unsafe under both static and seismic conditions, making reinforcement necessary. The SF of the slope increased by 118% with soil nailing, 128% with anchors, and 14% with gabions under static conditions. Under seismic loading, soil nailing increased the SF by 101%, anchors by 110%, and gabions by 15%. These findings demonstrate that soil nailing and anchors can improve slope stability to safe levels, whereas gabions are ineffective for the studied slope conditions.
Pengembangan Modul Pembelajaran Mata Kuliah Praktik Kerja Plambing dan Sanitasi di Prodi Pendidikan Teknik Sipil dan Perencanaan FT UNY Rudi Nur Syamsudin; Nur Hidayat; Wisnu Rachmad Prihadi; Abdul Malik; Dian Eksana Wibowo
Jurnal Pendidikan Teknik Sipil Vol. 4 No. 1 (2022): June
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpts.v4i1.49374

Abstract

ABSTRACT This study aims to: (1) understand and carry out the stages of preparing the learning module for the plumbing and sanitation work practice course; (2) determine the feasibility level of the learning module for the plumbing and sanitation work practice course. This study uses a 4-D model research and development approach which consists of four stages, namely: defining, planning, developing, and disseminating. The results of the module development research are: (1) define, there is no learning module for plumbing and sanitation work practice courses, (2) design, there are sixteen material discussions that are adjusted based on the curriculum and learning outcomes and are composed of learning objectives, material descriptions, summaries. , independent assignments,worksheets; (3) development, the assessment of the material obtained a score of 3.45 in the very appropriate category, the media assessment obtained a score of 3.37 in the appropriate category, and the assessment of the lecturer in charge of the subject received a score of 3.11 in the appropriate category; (4) dissemination, submission of modules to lecturers who are in charge of plumbing and sanitation work practices in the form of hardcopy and softcopy. Keywords: Module, Plumbing, Sanitation, Model 4-D ABSTRAK Penelitian ini bertujuan untuk: (1) memahami dan melaksanakan cara penyusunan modul pembelajaran mata kuliah praktek kerja plambing dan sanitasi; (2) mengetahui kelayakan modul pembelajaran mata kuliah praktek kerja plambing dan sanitasi. Metodologi dalam penelitian ini menggunakan pendekatan penelitian dan pengembangan model 4-D yang terdiri dari empat tahap, yaitu: define (pendefinisian), design (perencanaan), develop (pengembangan), disseminate (penyebarluasan). Hasil penelitian pengembangan modul ini adalah: (1) define, belum tersedianya modul pembelajaran pembelajaran mata kuliah praktek kerja plambing dan sanitasi, (2) design, terdapat empat pembahasan materi, modul tersusun dari tujuan pembelajaran, uraian materi, rangkuman, dan soal latihan; (3) development, saran yang didapat adalah (detail materi dilengkapi, komposisi gambar dengan keterangan, dan ilustrasi menggunakan warna kontras dengan latar). Penilaian pada materi memperoleh skor 3,50 kategori sangat layak, penilaian media memperoleh skor 3,02 kategori layak, dan penilaian guru memperoleh skor 3,59 kategori sangat layak; (4) disseminate, penyerahan modul kepada dosen pengampu mata kuliah praktek kerja plambing dan sanitasi berupa softfile dan hardfile.
Development of Construction Occupational Health Safety Teaching Module for Students of the Department of Civil Engineering and Planning Education, Universitas Negeri Yogyakarta Wahyu Dwi Santoso; Dian Eksana Wibowo; Cakra Nagara; Khoiru Harjanti; Ying-Dong Liu
Jurnal Pendidikan Teknik Sipil Vol. 7 No. 1 (2025): June
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpts.v7i1.81323

Abstract

Background: This research aims to: (1) develop a construction occupational health safety teaching module for students of the Department of Civil Engineering and Planning Education, Universitas Negeri Yogyakarta. (2 Assessing the feasibility of the learning media through assessments from material experts and media experts from the Department of Civil Engineering and Planning Education, Universitas Negeri Yogyakarta. Methods: The research method employed is Research and Development, utilizing a 4D (Four-D) development model. This model comprises four stages of development: Define, which represents the definition stage; Design, referring to the planning stage; Development, denoting the development stage; and Disseminate, which leads to the dissemination stage. Data collection uses questionnaires, and the analysis method applied is descriptive techniques. Results: The results of the development of the K3 Construction module are (1) The development process follows 4 stages, namely define, design, develop, and disseminate. In the definition stage, it was found that there was a problem that learning media were not available for the construction occupational health safety teaching module for students of the Department of Civil Engineering and Planning Education UNY. At the design stage, the design of the module script is done with Microsoft Word with A4 paper size (21 cm x 29.7 cm). The development stage includes validation by material experts and media experts. (2) The results of validation from material experts resulted in a score of 90.66%, categorized as "very feasible", while validation from media experts received a percentage of 90.21%, also categorized as "very feasible". Conclusion: Media for the K3 Construction module that is suitable for use in the K3 Construction course, Department of Civil Engineering and Planning Education, Universitas Negeri Yogyakarta.
Peningkatan Kompetensi BIM bagi Guru dan Siswa SMK Bidang Keahlian Teknologi Konstruksi dan Bangunan di Kota Semarang Nur Hidayat; Dewi Prathita Rachmi; Novia Suryadwanti; Valentinus Lilik Hariyanto; Dian Eksana Wibowo; Galeh Nur Indriatno Putra Pratama
Panrita Abdi - Jurnal Pengabdian pada Masyarakat Vol. 10 No. 3 (2026): Jurnal Panrita Abdi - Juli 2026
Publisher : LP2M Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/pa.v10i3.48761

Abstract

The Program Pengabdian kepada Masyarakat (PkM) was initiated due to the insufficient BIM competencies of participants, namely teachers and students at Vocational High Schools or Sekolah Menengah Kejuruan (SMK) in Semarang City. PkM was carried out with the objectives of (1) increasing understanding for BIM experts and skilled workers in Semarang City (2) implementing the requirements for experts in accordance with the provisions of the PUPR Ministerial Regulation regarding the obligation to use BIM for certain buildings (3) preparing the provision of BIM experts to meet the needs of the development sector (4) as a form of downstreaming of BIM research products that have been carried out by UNY for partners. This PkM uses training and mentoring methods with a focus on resolving partner issues in the construction sector, namely increasing the percentage of BIM experts and skilled workers. Representative participants were teachers and students from Construction Vocational High Schools in Semarang City. The PkM results concluded that through downstreaming BIM research products, the PkM team was able to increase the training participants' understanding by 10.35%. This training has provided an overview of the implementation of expert requirements related to the mandatory use of BIM for certain buildings so that the need for experts can be met gradually. PkM didasari dengan belum tercukupinya kompetensi BIM oleh peserta yaitu guru dan siswa di Sekolah Menengah Kejuruan (SMK) Bidang Keahlian Teknologi Konstruksi dan Bangunan (TKB) di Kota Semarang. PkM dilakukan dengan tujuan untuk (1) meningkatkan pemahaman bagi tenaga ahli dan terampil BIM di Kota Semarang (2) mengimplementasikan persyaratan tenaga ahli sesuai dengan ketentuan Permen PUPR terkait dengan kewajiban penggunaan BIM untuk bangunan tertentu (3) mempersiapkan pemenuhan tenaga ahli BIM untuk mencukupi sektor pembangunan (4) sebagai bentuk hilirisasi produk hasil penelitian BIM yang telah dilakukan UNY untuk mitra. PkM ini menggunakan metode pelatihan dan pendampingan dengan fokus penuntasan permasalahan mitra pada bidang konstruksi yakni peningkatan persentase tenaga ahli dan terampil BIM. Peserta merupakan perwakilan guru dan siswa dari SMK Bidang Keahlian TKB di Kota Semarang. Hasil PkM menyimpulkan bahwa melalui hilirisasi produk penelitian BIM, tim PkM dapat meningkatkan 10,35% pemahaman peserta pelatihan. Pelatihan ini telah memberikan gambaran implementasi persyaratan tenaga ahli terkait dengan kewajiban penggunaan BIM untuk bangunan tertentu sehingga kebutuhan tenaga ahli dapat tercukupi secara bertahap.