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All Journal Teknisia axial : jurnal rekayasa dan manajemen konstruksi PENITI BANGSA (Pemanfaatan Ilmu Pengetahuan dan Teknologi bagi Masyarakat)
Raharja, Danang Setiya
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Penyuluhan Optimalisasi Drainase Pedesaan Sebagai Langkah Maju Menuju Lingkungan Yang Lebih Baik Febrianto, Alief Farhan; Azmi, Muhammad Sholahuddin; Raharja, Danang Setiya; Machmoed, Soerjandani Priantoro; Raharja, Danang Setiya Raharja
PENITI BANGSA (Pemanfaatan Ilmu Pengetahuan dan Teknologi bagi Masyarakat) Vol 2 No 1 (2024): PENITI BANGSA
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/PENITI-BANGSA.v2i12024.226

Abstract

Plosasari village, located in the Puri Sub-district, Mojokerto regency, Jawa Timur, deals with a severe communal drainage system problem, including erosion and environmental pollution. This community service aims to provide counselling on village drainage optimization as a step towards a better environment. The methodology to realize this service starts with a preliminary survey to investigate the existing condition of the drainage channel, preparation of presentation material based on literature review and previous survey, and finally, the implementation of the seminar in the village hall. The counselling results show that people's knowledge about the importance of drainage increased, and practical solutions to tackle common drainage problems were successfully formulated, including good drainage infrastructure planning, integrated waste management, and smart technology. Some constraints to realize those solutions include the difficulty of gathering community members and the lack of waste disposal facilities. This counselling supports the achievement of Sustainable Development Goals, especially for target number 6th, which is about clean water and sanitation, and target number 11th, which is about sustainable cities and communities, by proposing innovative and collaborative solutions for rainwater management and village drainage system. This counselling result can be implemented in other villages facing similar problems to improve the health and environmental conditions in the community.
Edukasi Drainase Sederhana Bagi Masyarakat Sebagai Upaya Peningkatan Pemahaman Teknis dan Kepedulian Lingkungan Safrudin, Muhamad Reyzhar; Ismail, Dwi Chanib; Raharja, Danang Setiya; Machmoed, Soerjandani Priantoro
PENITI BANGSA (Pemanfaatan Ilmu Pengetahuan dan Teknologi bagi Masyarakat) Vol 3 No 2 (2025): PENITI BANGSA
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/PENITI-BANGSA.v3i22025.836

Abstract

Lembeyan Hamlet, Doyomulyo Village, Kembangbahu District, Lamongan Regency has a well-functioning and clean simple drainage system. However, continuous community awareness and capacity-building are needed to ensure sustainable maintenance and development. This community service activity aims to strengthen residents’ technical understanding and encourage active participation in maintaining environmental quality through education and evaluation based on field surveys. The methods included surveying existing drainage conditions to identify development opportunities, preparing educational materials derived from literature and field data, conducting interactive community workshops, and assessing knowledge improvement through pre-test and post-test questionnaires. The results showed an increased understanding of sustainable drainage management, including rainwater control and domestic waste management to maintain drainage performance. The community also proposed development ideas such as simple infiltration systems and inspection wells. This activity supports Sustainable Development Goals point 6 (Clean Water and Sanitation) and point 11 (Sustainable Cities and Communities) by promoting sustainability values and community collaboration in managing local environmental infrastructure.
Optimizing ceramic waste content in concrete mix design: model development and android application Andaryati, Andaryati; Suharso, Akbar Bayu Kresno; Raharja, Danang Setiya; Saurina, Nia
Teknisia Vol 30 No 2 (2025): Teknisia
Publisher : Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknisia.vol30.iss2.art4

Abstract

There is an increasing need for practical tools that help users determine the appropriate mix composition of concrete incorporating ceramic waste as a partial fine aggregate replacement. Such tools can simplify the process of designing environmentally friendly concrete while ensuring that the resulting material meets the required strength standards. This study aims to determine the percentage of concrete mixture utilizing ceramic waste as a substitute for fine aggregates in concrete, assess its impact on concrete compressive strength using the RMSE method, and visualize it through Android modulator technology. Compressive strength tests were based on the previous research study, with curing intervals of 7, 14, and 28 days. The concrete quality test results indicate that concrete mixed with ceramic waste as a partial replacement for fine aggregates produces a strength that meets the standard for normal concrete, ranging between 30 - 40 MPa. A polynomial regression model synthesis based on the available laboratory data demonstrated good reliability, with an RMSE value of 0.172. Furthermore, using an Android emulator technology named BetonKU, the application successfully visualized the concrete mix design composition incorporating ceramic waste as a fine aggregate substitute according to the input data for the designed concrete strength.
ANALISIS PERBAIKAN TANAH LUNAK MENGGUNAKAN METODE PRE-LOADING, PVD DAN PHD UNTUK TIMBUNAN PADA JALAN KELAS I, SUMATERA BARAT Raharja, Danang Setiya; Hibatullah, Muhammad Hilmi
axial : jurnal rekayasa dan manajemen konstruksi Volume 13, Nomor 1, April Tahun 2025
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/axial.v13i1.4260

Abstract

Tanah lunak merupakan tanah yang kohesif yang terdiri dari tanah yang sebagian besar terdiri dari butir-butir yang sangat kecil seperti lempung dan lanau. Lapisan tanah lunak mempunyai sifat gaya geser yang rendah, kemampatan yang tinggi, koefisien permeabilitas yang rendah, karakteristik daya dukung relatif rendah dan pemampatannya relatif besar serta lama. Provinsi Sumatera Barat, Padang merupakan tanah yang memiliki sifat tanah lunak yang terdiri dari tanah gambut dan tanah lempung. Penelitian ini bertujuan memperbaiki tanah lunak untuk jalan kelas I menggunakan metode Pre-Loading kombinasi Prefabricated Vertical Drain (PVD) dan Prefabricated Horizontal Drain (PHD) dengan berbagai variasi tinggi timbunan. Hkritis timbunan yang diperhitungkan dengan ketinggian sebesar 3,807 m.  Perhitungan Prefabricated Vertical Drain (PVD) dengan kedalaman tanah yang digunakan 12 m dengan tinggi timbunan 3 m, tinggi Pre-Loading 5.2 m dan beban jalan 35.44 kN/m3. Hasil Perhitungan Matematis untuk mencapai derajat konsolidasi 90 persentase tanpa penggunaan PVD lama waktu 1414 hari dan besar penurunan 0.479 m, penggunaan PVD dengan jarak 1.8 m didapat lama waktu 57 hari dan besar penurunan 0.482 m. Perencanaan PHD setiap 1 ujung PVD mengeluarkan air seluas 2.806 m2 dengan panjang lajur maksimum PHD 75 m menghasilkan estimasi debit aliran air horizontal sebesar 0.00007584 m3/s.
PERENCANAAN PERKUATAN LERENG MENGGUNAKAN DINDING PENAHAN TANAH TIPE GRAVITY WALL DI SUNGAI MANIKIN KECAMATAN KUPANG TENGAH, KABUPATEN KUPANG Kristian Banda, Petrus Kanisius; Raharja, Danang Setiya
axial : jurnal rekayasa dan manajemen konstruksi Volume 13, Nomor 2, Agustus Tahun 2025
Publisher : Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/axial.v13i2.4284

Abstract

Sungai Manikin terletak di Pulau Timor, Nusa Tenggara Timur. Peningkatan debit pada saat musim penghujan sering menyebabkan terjadinya banjir pada bagian hilir dari Sungai Manikin. Selain itu peningkatan debit pada musim penghujan juga mengakibatkan gerusan pada lereng sungai. Beberapa titik pada kawasan sungai sangat rentan mengalami gerusan dan akan berkembang semakin parah setiap tahunnya. Oleh karena itu, untuk mengatasi permasalahan ini maka dilakukan penelitian dengan melakukan pengkajian pada titik longsor akibat gerusan sungai dan kemudian dilakukan perencanaan perkuatan lereng yang bertujuan untuk meminimalisir dampak yang dapat ditimbulkan. Perencanaan perkuatan lereng pada lokasi studi menggunakan Dinding Penahan Tanah tipe Gravitasi (Gravity Wall). Perencanaan Dinding Penahan Tanah ini tentunya dilakukan melalui perhitungan secara manual dan dengan bantuan aplikasi Plaxis. Hasil perencanaan manual dinding penahan tanah tipe gravitasi (Gravity Wall) diperoleh dimensi tinggi (H) 6 meter, lebar tapak pondasi bawah 3 meter, tinggi tapak pondasi bawah 0,5 meter, dan lebar atas 0,5 meter. Perhitungan manual diperoleh analisis stabilitas terhadap guling menunjukkan nilai safety factor (SF) 2,17 (memenuhi syarat leboh besar dari 2), safety factor (SF) untuk analisis stabilitas terhadap geser menunjukkan nilai 1,73 (memenuhi syarat lebih besar dari1,5), dan safety factor (SF) daya dukung tanah menunjukkan nilai 7,83 (memenuhi syarat lebih besar dari 3). Hasil analisis stabilitas dinding penahan tanah dengan bantuan program Plaxis 2D menunjukkan nilai Safety Factor (SF) 2,14 lebih besar dari 1,5 (memenuhi syarat). Perencanaan dinding penahan tanah tipe gravitasi baik secara manual maupun dengan bantuan program Plaxis 2D menghasilkan nilai safety factor (SF) yang berada di atas batas persyaratan atau dalam kategori aman.
Co-Authors Akbar Bayu Kresno Suharso Andaryati, Andaryati Azmi, Muhammad Sholahuddin Febrianto, Alief Farhan Hibatullah, Muhammad Hilmi Ismail, Dwi Chanib Kristian Banda, Petrus Kanisius Nia Saurina Raharja, Danang Setiya Raharja Safrudin, Muhamad Reyzhar Soerjandani Priantoro Machmoed