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Identification of subsidence hazard zone by integrating engineering geological mapping and electrical resistivity tomography in Gunung Kidul karst area, Indonesia Wahyu Wilopo; Doni Prakasa Eka Putra; Teuku Faisal Fathani; Slamet Widodo; Galeh Nur Indriatno Putra Pratama; Maris Setyo Nugroho; Wisnu Rachmad Prihadi
Journal of Degraded and Mining Lands Management Vol 9, No 2 (2022)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2022.092.3281

The presence of natural cavities in karst morphology may cause severe civil engineering and environmental management problems. Karst formations will limit the expansion of urbanization, especially infrastructure development in limestone areas. Geophysical methods, especially electrical resistivity tomography (ERT) techniques, are effective and efficient solutions to detect voids below the surface. This study aimed to develop a subsidence hazard map as basic information for infrastructure development. The identification was made by measuring electrical resistivity tomography on eight profiles in the infrastructure development plan. In addition, it was also supported by geological mapping, particularly the structural geology and types of rocks around the site. The research area consists of massive limestone, bedded limestone, and cavity limestone with generally north-south joints. The analysis of geological mapping data and electrical resistivity tomography measurements showed that the cavity limestone was identified with a north-south elongated pattern in line with the fracture pattern found on the surface at the research area. The surface lithology type, the geological structures density, and the subsurface lithology were used to develop a subsidence hazard map. This information is beneficial in determining the safe location of infrastructure development based on disaster risk mitigation.

Konfigurasi Batang Pada Perancangan Rangka Atap Bambu Wisnu Rachmad Prihadi; Galeh Nur Indriatno Putra Pratama
Inersia : Jurnal Teknik Sipil dan Arsitektur Vol 12, No 2 (2016): Desember
Publisher : Universitas Negeri Yogyakarta

ABSTRACT This study discusses the system design roof truss on a wide span which spans 15 m using bamboo materials, it is deemed necessary because of the material bamboo is a material that is readily available and can be used as themporary shelter as a temporary shelter disaster victims, therefore it needs to be done a review of some particular configuration rod placement diagonal rods. The purpose of the configuration of the rod is to obtain an optimal and efficient structure and implement connection system Moriscos on bamboo construction. On the pedestal roof frame is at the point of the column, so that in this condition is considered the foundation of the joints with horizontal movement of the pedestal reason restrained by anchor bolts and added restrained also by friction contact area of the pedestal. In this modeling study using bamboo material strap (Gigantochloa lear kurz) diameter of 6 cm, as a truss, and use the program SAP 2000 version 14 as a tool in calculating the truss. from reviewing several models from the rafters with bamboo material shows that the stiffness criterion for diagonal rod configuration on the model B which show the predicted vertical deflection z direction is small. As for the efficiency criteria in terms of style rod rod press (compression) due to the effect of buckling (buckling), various models have the smallest is the model A. Keywords: bamboo, design, roof truss. ABSTRAK Kajian ini membahas perancangan sistem rangka atap pada bentang yang lebar yaitu bentang 15 m dengan menggunakan material bambu, hal ini dirasa perlu karena material bambu merupakan material yang mudah didapat dan dapat digunakan sebagai themporary shelter sebagai tempat tinggal sementara korban bencana, oleh karena itu perlu dilakukan peninjauan terhadap beberapa konfigurasi penempatan batang khususnya batang diagonal. Tujuan dari konfigurasi batang tersebut adalah untuk mendapatkan struktur yang optimal dan efisien serta menerapkan sistem sambungan morisco pada konstruksi bambu. Pada tumpuan rangka atap berada pada titik kolom, sehingga dalam kondisi ini tumpuan dianggap sendi-sendi dengan alasan pergerakan horizontal tumpuan tertahan oleh angkur baut serta ditambahkan tertahan juga oleh gesekan bidang kontak tumpuan. Kajian permodelan ini menggunakan material bambu tali (gigantochloa apus kurz) berdiameter 6 cm, sebagai bahan rangka batang, dan menggunakan program SAP 2000 versi 14 sebagai alat bantu dalam menghitung struktur rangka batang dari peninjauan beberapa model dari rangka atap dengan material bambu menunjukkan bahwa untuk kriteria kekakuan maka konfigurasi batang diagonal pada model B yang menunjukkan prediksi defleksi vertikal arah z yang kecil. Sedangkan untuk kriteria efisiensi batang ditinjau dari gaya batang tekan (compression) karena pengaruh tekuk (buckling), dari berbagai model dipilih yang terkecil adalah model A. Kata Kunci: bambu, perancangan, rangka atap.

IMPLEMENTASI PEMBELAJARAN KEWIRAUSAHAAN SMK BIDANG KEAHLIAN TEKNIK KONSTRUKSI DAN PROPERTI DI YOGYAKARTA Wisnu Rachmad Prihadi; Abdul Malik; Suparman Suparman
Jurnal Pensil : Pendidikan Teknik Sipil Vol 10 No 1 (2021): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

AbstrakMata pelajaran Kewirausahaan telah beberapa kali berganti nama dan metode pembelajaran. Mata pelajaran Kewirausahaan saat ini berdasarkan kurikulum 2013 revisi 2017. Tujuan dari penelitian ini adalah untuk melihat maksud dan tujuan pencapaian pada mata pelajaran Kewirausahaan pada kurikulum 2013 revisi 2017 dan mengetahui kesesuaian kompetensi dasar kewirausahaan yang diajarkan oleh guru. Jenis penelitian ini adalah penelitian deskriptif dan menggunakan metode purposive sampling. Hasil penelitian ini memperoleh gambaran output pembelajaran berupa tingkat pencapaian tujuan yang telah direncanakan oleh Kementerian Pendidikan dan Kebudayaan yang menyatakan bahwa guru optimis tercapainya tujuan pendidikan kewirausahaan, pengetahuan guru tentang usaha rintisan siswa yang mengalami kesulitan dalam membuat perusahaan rintisan, sedangkan dalam hal kegiatan usaha atau usaha rintisan yang dibuat dan dikelola oleh kelompok siswa memerlukan pendamping dalam pelaksanaanya. Selain itu, pengetahuan guru tentang rata-rata penjualan produk atau jasa menunjukkan semua program mampu menjual produknya dengan nilai nominal yang bervariasi dan cukup untuk dapat membuat produk atau jasa kreatif yang layak jual sesuai dengan kompetensi keahliannya. Kata kunci: kewirausahaan, kurikulum 2013 revisi 2017, metode pembelajaran, implementasi kewirausahaan Abstract Entrepreneurship subjects has several times changed names and learning method. Entrepreneurship subjects which are currently based on curriculum 2013 revision 2017. Purpose of this study is to look at the goals and objectives of the achievement in entrepreneurship subjects in curriculum 2013 revision 2017 and determine the suitability of basic competence of entrepreneurship taught by teacher. This type of research is a descriptive study and using purposive sampling method. The results obtained a description of the learning output in the form of the level of achievement of the goals that have been planned by the Ministry of Education and Culture stating that teachers are optimistic about achieving entrepreneurial education goals, teacher’s knowledge of student business start-up has difficulties in making business company start-up, while in terms of business activities or business start-up created and managed by student groups need assistance in its implementation. Also, the teacher's knowledge of the average sales of products or services shows all programs are able to selling their products with varying nominal values and are sufficient to be able to make selling-worthy creative products or services accordance with the competence of their expertise. Keywords: entrepreneurship subject, curriculum 2013 revision 2017, learning method, implementation of entrepreneurship

Development of Plumbing Work Practice Learning Videos In the Department of Civil Engineering Education and Planning UNY Wisnu Rachmad Prihadi; Agus Santoso; Hasdi Nur Pratomo
Indonesian Journal Of Civil Engineering Education Vol 9, No 1 (2023): Indonesian Journal of Civil Engineering Education
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijcee.v9i1.73778

This research contributes to (1) developing a learning video of Plumbing and Sanitation Practice Practice, (2) knowing the feasibility of the Plumbing and Sanitation Practice Practice video learning media, (3) knowing user perceptions regarding the Plumbing and Sanitation Practice Practice learning video applied to the Department of Education UNY Civil Engineering and Planning. This research is an R&D research with a 4D model approach (Define, Design, Development, Disseminate). Data collection techniques are based on research subjects in making video products for Plumbing practice learning videos, namely experts related to plumbing materials, media experts. The instrument used uses a Likert scale to measure the feasibility level of the product being developed. The results obtained are (1) the define stage, namely analyzing the initial conditions, analyzing the character of students, analyzing concepts and learning objectives, the design stage, namely designing a script for the delivery of information consisting of opening, content, closing, the development stage, namely the process of recording making a video learning until the completion of editing the resulting video and then testing the eligibility validation of the product by experts, the disseminate stage, namely the limited dissemination of the product produced in this case the learning video of plumbing work practices to samples to assess and find out the level of feasibility and usefulness of the product; (2) the level of product feasibility based on the material content made is worth 4.58 belonging to the "very feasible" category, while the assessment based on the media made is worth 4.91 belonging to the "very feasible" category; (3) The results of the disseminate that has been carried out obtain the value of the user's perception of the product which is included in the very high category, the percentage of product feasibility is 91.52% which is included in the "Very Eligible" category.

ROUTE ANALYSIS LEARNING MODULE BASED ON GOOGLE EARTH ROAD CLASSIFICATION FOR GEOMATICS COURSE Rochmadi, Sunar; Jannati Rupi, Bening; Eko Raharjo, Nuryadin; Hidayat, Nur; Rachmad Prihadi, Wisnu; Nur Syamsudin, Rudi
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 13 No. 1 (2024): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v13i1.39828

Due to limited learning resources and low student grades in the Geomatics course, it is very important to carry out this research to improve the quality of special learning activities in the Geomatics course. This research aims to develop a route analysis learning module based on Google Earth Road Classification. This research uses the Thiagarajan Research and Development (R&D) model, known as 4D design. The data collection technique uses a questionnaire to reveal the validity of the product based on material experts, media experts, and user responses. The result of this research is a product development using a 4D R&D model with stages (1) defining, which refers to needs based on competency in Geomatics subjects, especially in operating the Google Earth application; (2) design, which includes four learning activities on A4 paper size and 12pt Arial font; (3) development, which was completed with validation results from material experts totaling 122 scores with an average of 4.07 (suitable); from media experts, 201 scores with an average of 4.28 (very appropriate); as well as the development stage. user feasibility results of 3666 scores with an average of 4.52 (very feasible); (4) the dissemination stage, which is carried out by distributing learning modules to lecturers in geomatics courses and uploading the products developed to Google Drive to be used as learning media. The implications of this research will provide changes to learning activities, and the existence of learning modules is expected to improve student learning outcomes.

IMPLEMENTATION OF AN ENTREPRENEURSHIP LEARNING MODEL IN THE CREATIVE PRODUCT AND ENTREPRENEURSHIP COURSE FOR VOCATIONAL HIGH SCHOOLS Syamsudin, Rudi Nur; Ikhwanuddin, Ikhwanuddin; Prihadi, Wisnu Rachmad; Malik, Abdul
Jurnal Pensil : Pendidikan Teknik Sipil Vol 13 No 3 (2024): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v13i3.49164

The learning model is one of the main factors that need to be considered in the learning process. This study aims to reveal the effect of applying the “EkRenFaTiHa” entrepreneurship learning model in vocational high schools. The research design is quasi-experimental. Determination of the sample using the purposive sampling technique. Data collection techniques using observation, documentation, and tests the prerequisite tests carried out are validity tests, reliability tests, normality tests, and hypothesis tests. The research location was in class XI at one of the state vocational schools in the Province of DIY. It was agreed with the school that it was not permissible to mention the name of the school, so the research location was named X’s vocational high schools. The results of the hypothesis testing showed that the cognitive value in the experimental class was significant, which was 0.001, where the value was < 0.05. This means that the “EkRenFaTiHa” entrepreneurship learning model can have a significant influence on student learning outcomes in the subject of creative products and entrepreneurship. While the value of product results in the experimental class is still higher than in the control class. The experimental class got an average product value of 75.455, while the control class average product value was 74.773.

INCREASEMENT ENTREPRENEURIAL VALUES IN SMK MUHAMMADIYAH 3 YOGYAKARTA IN THE FIELD OF BUILDING MODELING AND INFORMATION DESIGN EXPERTISE STUDENTS WITH IMPLEMENTATION OF THE “EKRENFATIHA” LEARNING MODEL Abdul Malik; Ikhwanuddin Ikhwanuddin; Wisnu Rachmad Prihadi; Rudi Nur Syamsudin; Estu Panduaji Wijaya
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8, No 2 (2024): IJEBAR, VOL. 08 ISSUE 02, JUNE 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i2.12975

This study aims to reveal the increment of entrepreneurial values in the major of Building Modeling and Information Design Expertise in SMK Muhammadiyah 3 Yogyakarta after using the implementation of the “EkRenFaTiHa” learning model. This study adopted a descriptive quantitative research design, quantitative data will be further expressed descriptively—the questionnaire data using the Likert scale assessment 4 composed of 17 aspects of entrepreneurial values. Two types of data will be obtained which are pre- and post-questionnaire. The data was analyzed by counting the average values from each aspect of entrepreneurial attitudes; then it will be converted into percentages. From this study, it is shown that there is an increase, proven by the rising average value from 17 aspects 83,33% to 85,39%. The lowest and highest range values from pre-treatment are about 75% to 96%, while the values from post-treatment are shown to be about 77% to 96%. Several aspects experienced a significant increase e.g. independent, disciplined, and communicative aspects approximately 5-8% higher than the previous. Meanwhile, risk-taking, action-oriented, hard work, cooperative, responsible, persistent, committed, and inquisitive showed a slight increase of around 1-4% higher. Nonetheless, several sectors are stable with the previous values; for instance, creative, leadership, credible, realistic, innovative, and appreciation of achievement with a range of values from 80% to 96%. From this study, it can be concluded that there is an increment from 11 entrepreneurial values after implementing the “EkRenFaTiHa” learning model, while 6 values remaining show stability; however, the average percentage from the 17 aspects overall displays an increment.

PENERAPAN MODEL PEMBELAJARAN KEWIRAUSAHAAN PADA MATA PELAJARAN PRODUK KREATIF DAN KEWIRAUSAHAAN (PKK) DI SMK Syamsudin, Rudi Nur; Ikhwanuddin, Ikhwanuddin; Prihadi, Wisnu Rachmad; Malik, Abdul
Jurnal Pensil : Pendidikan Teknik Sipil Vol. 13 No. 3 (2024): Jurnal Pensil : Pendidikan Teknik Sipil
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jpensil.v13i3.43995

The learning model is one of the main factors that need to be considered in the learning process. This study aims to reveal the effect of applying the “EkRenFaTiHa” entrepreneurship learning model in vocational high schools. The research design is quasi-experimental. Determination of the sample using the purposive sampling technique. Data collection techniques using observation, documentation, and tests the prerequisite tests carried out are validity tests, reliability tests, normality tests, and hypothesis tests. The research location was in class XI at one of the state vocational schools in the Province of DIY. It was agreed with the school that it was not permissible to mention the name of the school, so the research location was named X’s vocational high schools. The results of the hypothesis testing showed that the cognitive value in the experimental class was significant, which was 0.001, where the value was < 0.05. This means that the “EkRenFaTiHa” entrepreneurship learning model can have a significant influence on student learning outcomes in the subject of creative products and entrepreneurship. While the value of product results in the experimental class is still higher than in the control class. The experimental class got an average product value of 75.455, while the control class average product value was 74.773.

Cost and Time Performance Evaluation of a Sports Hall Construction Project Using the Earned Value Method: A Case Study at Gunung Kidul Campus, Universitas Negeri Yogyakarta Pratiwi, Anik Nurul; Prihadi, Wisnu Rachmad; Al-Pashya, Muhammad Donny Reval
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 21 No. 1 (2025): May
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v21i1.84089

The main objectives in managing construction work involve controlling costs, ensuring quality, and meeting project deadlines. Construction projects are regarded as successful when they deliver outputs that satisfy predefined quality standards, are finished on time, and stay within the agreed budget. The Earned Value Method (EVM) is a valuable technique in project management for assessing both cost efficiency and schedule adherence throughout the project’s duration. Important indicators for this analysis include BCWP (Budgeted Cost of Work Performed), BCWS (Budgeted Cost of Work Scheduled), ACWP (Actual Cost of Work Performed), Schedule Variance (SV), Cost Variance (CV), Schedule Performance Index (SPI), Cost Performance Index (CPI), Estimated At Schedule (EAS), and Estimated Temporary Schedule (ETS). This research focuses on evaluating the performance of the Sports Hall Building construction project at Gunung Kidul Campus by applying the earned value method. The assessment emphasizes time scheduling and cost management to gauge how well the project progresses relative to its planned schedule and budget. The study’s findings reveal the current condition of both cost and schedule aspects of the Sports Hall Building project at Gunungkidul Campus, Universitas Negeri Yogyakarta. The data showed a positive cost variance, indicating that the project’s actual expenditures were less than originally planned.

Pengembangan Modul Pembelajaran Mata Kuliah Praktik Kerja Plambing dan Sanitasi di Prodi Pendidikan Teknik Sipil dan Perencanaan FT UNY Syamsudin, Rudi Nur; Hidayat, Nur; Prihadi, Wisnu Rachmad; Malik, Abdul; Wibowo, Dian Eksana
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 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.

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