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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Journal of Green Science and Technology Jurnal Pendidikan Teknik Sipil (JPTS) Civil Engineering For Community Development Journal of Green Science and Technology
Didik Purwantoro
Universitas Negeri Yogyakarta
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences Transportation

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ANALISIS KECUKUPAN PRASARANA PENDIDIKAN FAKULTASTEKNIK UNY UNTUK MENDUKUNG PROGRAM RENSTRATAHUN 2010-2014 Sumarjo H, dan Didik Purwantoro
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 8, No 1 (2012): Mei
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.081 KB) | DOI: 10.21831/inersia.v8i1.3695

Abstract

This research aim to (1) perform of educational infrastructure; (2) predictiveindex calculation and efficiency of educational infrastructures; (3) Necessity,sufficiency and lack of educational infrastructure to support developmentprogramme. The research method is quantitative descriptive The research method isquantitative descriptive. primary data research from academic, administrativedocuments, building infrastructure, and renstra. secondary data is a standardregulatory space, and the situation of the Department. The technique of datacollection is by the study of documents, field observations, and interviews with theleaders of departments and units. The results showed that the average of theoriesclass space of Engineering Faculty is 73,13%, workshop and Laboratory room, lessthan 100%. The level of sufficiency of lecturer and head of deparment was the resultless than 50%. Whenever was calculated with space of lecturer on Laboratory ofLPTK, the result is 79.18%. in the future, The development of the space of a lectureron each other.Keyword: Educational, infrastructure
RIVER CLIFF REINFORCEMENT EFFORTS BY APPLICATION OF COMBINATION OF DAM STONE, GABION, TETRAPOD, AND BAMBOO FLOW ALIGNER Dian Eksana Wibowo; Didik Purwantoro; Satoto Endar Nayono; Indra Bayu Wardhana; Yoga Bayu Prabowo
Journal of Green Science and Technology Vol 4, No 1 (2020): Journal of Green Science and Technology, Vol.4 No.1 (2020)
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v4i1.3152

Abstract

The purpose of research : (1) determine the ratio between the combination of retrofitting tetrapod-bamboo alignment-tetrapod   (FP1); bamboo flow aligner-tetrapod-bamboo flow aligner (FP2); Check Dam Stones-Gabion-Check Dam Stones (FP3); Gabion-Check Dam Stones-Gabion (FP4)? (2) The effectiveness of the combination of strengthening the tetrapod-bamboo aligner-tetrapod   (FP1); bamboo flow aligner-tetrapod-bamboo flow aligner (FP2); Check Dam Stones-Gabion-Check Dam Stones (FP3); Gabion-Check Dam Stones-Gabion (FP4)?Using the experimental method by creating a Labolatorium scale river model. Testing using clay and sand. The test model is a cliff without reinforcement and cliff with a combination of reinforcement between tetrapods; bamboo flow aligner; check Dam stones and Gabions. Testing by flowing water for 180 minutes/3 hours with a constant discharge of 7.07 liters/second, the installation of reinforcement is 51 cm apart.The results showed that (1) In general, the effect of the FP1 reinforcement installation was the variation of the combination that was considered the best in reducing scouring on the cliffs and riverbeds. (2) Variation of the combination of FP1, is more effective in reducing the scouring that occurs. At the beginning of the channel turns from STA 00-06 effectively used tetrapod installation, with scours that occur as big as -5 cm, in the middle of the STA channel 06-16 effectively using the installation of bamboo flow aligner, scours that occur as much as -1.5 cm, whereas at At the end of the turn, STA 17-24 used tetrapod installation, scouring by -3.8cm.Keyword: scouring, bamboo flow aligner, tetrapod.
Kajian ulang sistem drainase area Bumi Perkemahan Gendungan, Desa Kalibening, Kecamatan Dukun, Magelang, Jawa Tengah Malik, Abdul; Purwantoro, Didik; Darmono, Darmono; Syamsudin, Rudi Nur; Fajriani, Qonaah Rizqi; Fajarwati, Yuli; Hatutiningsih, Arum Dwi; Kurniawan, Muhammad Adi; Setiawan, Riski; Syahrani, Luthfi Auliya
Civil Engineering for Community Development (CECD) Vol 2, No 2 (2023): EDISI OKTOBER 2023
Publisher : Department of Civil Engineering Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/cecd.v2i2.22450

Abstract

Kawasan Bumi Perkemahan Gendungan, yang berada di lokasi Desa Kalibening, Kecamatan Dukun Kabupaten Magelang, Jawa Tengah, merupakan suatu kawasan yang berada di lereng Gunung Merapi. Belum adanya perencanaan sistem drainase yang baik banyak hal yang terjadi pada saat digunakan. Padahal pengelolaan air hujan di Kawasan Bumi Perkemahan Gendungan penting berkaitan dengan kenyamanan penggunaan lahan di saat musim hujan. Dari pertimbangan tersebut, dilakukan evaluasi sistem drainase di area perkemahan sebagai kegiatan pengabdian dari Program Studi Teknik Sipil dan Perencanaan. Metode perencanaan sistem drainase di kawasan ini mengacu pada Peraturan Menteri Pekerjaan Umum No. 12 Tahun 2014 tentang Penyelenggaraan Sistem Drainase Perkotaan. Total saluran drainase yang dirancang sebanyak tujuh saluran (D1, D2, D3, D4, D5,D6, D7) dengan kebutuhan dimensi bervariasi antara 20cmx20cm sampai 40cm × 40cm. Saluran dirancang dengan bahan batu kali yang dirasa mudah didapat di sekitar kawasan dengan tebal dinding 30 cm. The Gendungan Camping Area, located in Kalibening Village, Dukun District, Magelang Regency, Central Java, is an area on the slopes of Mount Merapi. Without planning a good drainage system, many things can happen when it is used. Rainwater management in the Gendungan Camping Area is important to the comfort of land use during the rainy season. Based on these considerations, an evaluation of the drainage system in the camping area was carried out as a service activity by the Civil Engineering and Planning Department. The drainage system planning method in this area refers to the Minister of Public Works Regulation No. 12 of 2014 concerning the Implementation of Urban Drainage Systems. The total number of drainage channels designed is seven channels (D1, D2, D3, D4, D5, D6, D7) with required dimensions varying between 20 cm x 20 cm to 40cm × 40cm. The channel is designed using river stone, which is easy to find in the area with a wall thickness of 30 cm.
RIVER CLIFF REINFORCEMENT EFFORTS BY APPLICATION OF COMBINATION OF DAM STONE, GABION, TETRAPOD, AND BAMBOO FLOW ALIGNER Dian Eksana Wibowo; Didik Purwantoro; Satoto Endar Nayono; Indra Bayu Wardhana; Yoga Bayu Prabowo
Journal of Green Science and Technology Vol 4 No 1 (2020): Journal of Green Science and Technology, Vol.4 No.1 (2020)
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v4i1.3152

Abstract

The purpose of research : (1) determine the ratio between the combination of retrofitting tetrapod-bamboo alignment-tetrapod   (FP1); bamboo flow aligner-tetrapod-bamboo flow aligner (FP2); Check Dam Stones-Gabion-Check Dam Stones (FP3); Gabion-Check Dam Stones-Gabion (FP4)? (2) The effectiveness of the combination of strengthening the tetrapod-bamboo aligner-tetrapod   (FP1); bamboo flow aligner-tetrapod-bamboo flow aligner (FP2); Check Dam Stones-Gabion-Check Dam Stones (FP3); Gabion-Check Dam Stones-Gabion (FP4)?Using the experimental method by creating a Labolatorium scale river model. Testing using clay and sand. The test model is a cliff without reinforcement and cliff with a combination of reinforcement between tetrapods; bamboo flow aligner; check Dam stones and Gabions. Testing by flowing water for 180 minutes/3 hours with a constant discharge of 7.07 liters/second, the installation of reinforcement is 51 cm apart.The results showed that (1) In general, the effect of the FP1 reinforcement installation was the variation of the combination that was considered the best in reducing scouring on the cliffs and riverbeds. (2) Variation of the combination of FP1, is more effective in reducing the scouring that occurs. At the beginning of the channel turns from STA 00-06 effectively used tetrapod installation, with scours that occur as big as -5 cm, in the middle of the STA channel 06-16 effectively using the installation of bamboo flow aligner, scours that occur as much as -1.5 cm, whereas at At the end of the turn, STA 17-24 used tetrapod installation, scouring by -3.8cm.Keyword: scouring, bamboo flow aligner, tetrapod.
Pengembangan Lab Sheet Pratikum Hidrolika untuk Program Studi S1 Pendidikan Teknik Sipil dan Perencanaan Fakultas Teknik Universitas Negeri Yogyakarta Fitriyani, Rina; Purwantoro, Didik
Jurnal Pendidikan Teknik Sipil Vol. 4 No. 2 (2022): November
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpts.v4i2.53954

Abstract

Penelitian ini bertujuan untuk: 1) mendeskripsikan proses dan hasil pengembangan lab sheet Praktikum Hidrolika pada Prodi S1 PTSP FT UNY, 2) mengetahui tingkat kelayakan pengembangan lab sheet untuk Praktikum Hidrolika pada Prodi S1 PTSP FT UNY. Penelitian ini menggunakan metode Research and Development (R&D), dengan model pengembangan Four-D Models yang dipaparkan oleh Thiagarajan terdiri dari 4 tahap, yaitu Pendefinisian (Define), Perancangan (Design), Pengembangan (Develop), dan Penyebaran (Disseminate). Lokasi penelitian di Jurusan Pendidikan Teknik Sipil dan Perencanaan Fakultas Teknik dan Perencanaan Universitas Negeri Yogyakarta. Instrumen yang digunakan berupa kuesioner dengan skala Likert 5 pilihan jawaban. Tingkat kelayakan diperoleh dari ahli materi dan ahli media. Analisis data pada penelitian ini menggunakan teknik deskriptif kuantitatif dengan mencarai hasil reratanya. Berdasarkan hasil analisis dan pembahasan, diketahui bahwa:1) pengembangan media pembelajaran menggunakan tahap 4D, tahap define untuk mencari informasi yang natinya menjadi pendukung dalam pengembangan lab sheet, tahap design untuk merancang lab sheet sesuai dengan standar yang digunakan jurusan, tahap develop untuk melakukan validasi kepada ahli materi dan ahli media, dan tahap disseminate dilakuan untuk menyebarkan hasil produk yang diserahkan kepada dosen pengampu mata kuliah Praktikum Hidolika. 2) hasil validasi ahli materi dengan persentase kelayakan sebesar 76,18% dengan kategori "baik" dan hasil validasi ahli media dengan persentase kelayakan sebesar 82,06% dengan kategori "sangat baik".Kata Kunci: Penelitian & pengembangan, lab sheet, praktikum hidrolikaThis study aims to: 1) describe the process and results of the development of the Hydraulics Practicum lab sheet at the PTSP FT UNY S1 Study Program, 2) to determine the feasibility of developing a lab sheet for the Hydraulics Practicum at the PTSP FT UNY Undergraduate Study Program. This study uses the Research and Development (R&D) method, with the Four-D Models development model described by Thiagarajan consisting of 4 stages, namely Definition, Design, Development, and Dissemination. The research location is in the Department of Civil Engineering Education and Planning, Faculty of Engineering and Planning, Yogyakarta State University. The instrument used is a questionnaire with a Likert scale of 5 answer choices. The feasibility level was obtained from material experts and media experts. Data analysis in this study used a quantitative descriptive technique by looking for the average results. Based on the results of the analysis and discussion, it is known that: 1) the development of learning media uses the 4D stage, the define stage to find information that will later become a supporter in the development of the lab sheet, the design stage to design the lab sheet in accordance with the standards used by the department, the develop stage to validate to material experts and media experts, and the disseminate stage is carried out to disseminate the product results which are submitted to the lecturer in charge of the Hidolika Practicum course. 2) the results of material expert validation with a feasibility percentage of 76.18% in the "good" category and the results of media expert validation with a feasibility percentage of 82.06% in the "very good" category.
Sediment Transport Modeling at the Bogowonto River Bend Using HEC RAS 6.6 Purwantoro, Didik; Yekti, Mawiti Infantri; Ratnaningsih, Rossita Yuli; Rofi’ah, Nanda Nur; Mayra, Farah
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 21 No. 2 (2025): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v21i2.91818

Abstract

River bend erosion is a major concern for river engineers because it affects channel stability and navigation safety. Erosion along the outer bank and deposition along the inner bank are the primary processes responsible for the meandering pattern of rivers. This study investigates the effect of discharge variations on scour depth in a meandering reach of the Bogowonto River using numerical modeling with HEC-RAS 6.6. Simulations were carried out for six discharge scenarios corresponding to return periods of 2,5, 10, 20, 50, and 100 years (Q2, Q5, Q10, Q20, Q50, and Q100). The historical rainfall data collected from 2002 to 2021. Limantara Unit Hydrograph used for rainfall-runoff modelling. The HEC-RAS simulation results of the 2-year return period (Q2) reveal that sedimentation occurs at five points along the Bogowonto River bend in Purworejo District. In particular the greatest accumulation occurred at the apex of the bend (STA 17), where the bed sediment thickness reached 4.175 m at the Q100 discharge. The simulation results show a uniform sedimentation pattern across the entire bend cross-section, likely due to model limitations that prevent detailed representation of cross-flow patterns.
Co-Authors Abdul Malik Darmono Dian Eksana Wibowo Fitriyani, Rina Hatutiningsih, Arum Dwi Indra Bayu Wardhana Kurniawan, Muhammad Adi Mawiti Infantri Yekti Mayra, Farah Muchtar Agus Tri Windarta Prabowo, Yoga Bayu Rofi’ah, Nanda Nur Rossita Yuli Ratnaningsih rudi nur syamsudin Satoto Endar Nayono, Satoto Setiawan, Riski Syahrani, Luthfi Auliya Wardhana, Indra Bayu Yoga Bayu Prabowo Yuli Fajarwati