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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Teknisia BANGUN REKAPRIMA Civil Engineering For Community Development De`Teksi : Jurnal Teknik Sipil Media Konstruksi : Jurnal Ilmiah Teknik Sipil JURNAL LINTAS KARSA
Yuli Fajarwati
Jurusan Pendidikan Teknik Sipil Dan Perencanaan, Fakultas Teknik, Universitas Negeri Yogyakarta
Arts Humanities Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Social Sciences Transportation Other

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Laboratory Model Test on The Sand Column for Reinforcement System of Flexible Pavement Fajarwati, Yuli; Dian Eksana Wibowo; Endaryanta; Amalina, Anisa Nur
Teknisia Vol 28 No 2 (2023): 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.vol28.iss2.art1

Abstract

Flexible pavement failures in Indonesia are primarily attributed to weak subgrade conditions, necessitating soil reinforcement measures. This study aimed to enhance soil-bearing capacity through soil reinforcement experiments utilizing a mixture of sand columns, rice husk ash, and cement. A prototype was constructed, including a 1×1×1 m steel box, an IWF steel frame, a dial gauge, a steel plate, and a proving ring, to apply a load to soil arranged within the iron box using a 3-ton hydraulic jack. The study focused on a clay soil type (following the AASHTO method) and conducted soil reinforcement in four scenarios. The result shows that in all scenarios involving a sand column, Scenario 1: 3% sand, 3% rice husk ash, and 6% cement obtained a qult is 0.23 kg/cm2 and BCR 114.94%; Scenario 2: 3% sand, 6% rice husk ash, and 3% cement obtained a qult is 0.12 kg/cm2 and BCR 11.49%; Scenario 3: 6% sand, 3% rice husk ash, and 3% cement obtained a qult is 0.14 kg/cm2 and BCR 26.44%; Scenario 4: 6% sand, 6% rice husk ash, and 0% cement obtained a qult is 0.24 kg/cm2 and a BCR of 116.09%. Notably, scenario 4, featuring a column composition of 6% sand, 6% rice husk ash, and 0% cement, achieved a significant increase in bearing capacity (qult) with a value of 0.24 kg/cm2 and a high Bearing Capacity Ratio (BCR) of 116.09%. Scenario 1 was the most effective in reducing moisture content by 4% relative to the original soil moisture content, with a mixture comprising 3% sand column, 3% rice husk ash, and 6% cement. The findings suggest that applying soil columns can enhance the performance of flexible pavements.
SISTEM MITIGASI LONGSOR BERBASIS INTERNET OF THINGS (IoT) PADA KELOMPOK SI BEJO DI KELURAHAN KALIREJO, KULON PROGO: SISTEM MITIGASI LONGSOR BERBASIS INTERNET OF THINGS (IoT) PADA KELOMPOK SI BEJO DI KELURAHAN KALIREJO, KULON PROGO Yuli Fajarwati; Elviana; Oktaf Agni Dhewa
Bangun Rekaprima Vol. 12 No. 1 (2026): April 2026
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v12i1.7523

Abstract

Kalirejo Village, Kokap Subdistrict, Kulon Progo Regency, is one of the areas with a high level of vulnerability to landslides due to the geological conditions and hilly topography as well as high rainfall. The lack of vulnerability zoning maps and evacuation routes makes it difficult for the community to take quick and appropriate mitigation measures. This Community Service Program (PkM) aims to develop a landslide mitigation system based on Internet of Things (IoT) technology through the Sibejo Rescue application and by installing evacuation signs at strategic points. The implementation method includes a field survey to identify locations prone to landslides, soil characteristic testing, vulnerability mapping using a Geographic Information System (GIS), designing the IoT-based Sibejo Rescue application, testing the application with village officials, and installing evacuation route signs and assembly points. The results of the activity showed that the landslide vulnerability map was successfully compiled into three categories (low, medium, high) and integrated into the Sibejo Rescue application. Limited trials with village officials showed that the application can display spatial information in the form of vulnerability maps, evacuation routes, and shelter points functionally. In addition, the installed evacuation signs facilitate the identification of Rescue routes when a disaster occurs. The conclusion of this activity is that the integration of vulnerability maps, IoT applications, and evacuation signs can be a first step towards improving landslide mitigation in Kalirejo, although broader public awareness campaigns are still needed in the next phase
Optimalisasi Kolam Pemancingan untuk Mendukung Pengembangan Desa Wisata di Taman Goa Jetis, Klaten : Optimization of Fishing Ponds to Support the Development of a Tourism Village in Taman Goa Jetis, Klaten Yuli Fajarwati
Jurnal Lintas Karsa Vol. 1 No. 1 (2024): Jurnal Lintas Karsa (November 2024)
Publisher : S1 Teknik Mesin Fakultas Teknik. Universitas Negeri Surabaya Gedung A6 Kampus UNESA Ketintang Surabaya 60231

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Abstract

Taman Goa Jetis di Desa Jetis, Kecamatan Jatinom, Klaten, memiliki potensi besar sebagai destinasi wisata berbasis kolam pemancingan. Namun, kerusakan infrastruktur kolam, seperti kebocoran dan sedimentasi, menghambat pengelolaan wisata dan manfaat ekonominya bagi masyarakat. Program pengabdian ini bertujuan untuk merehabilitasi kolam pemancingan menggunakan pendekatan partisipatif yang melibatkan masyarakat dalam pembuatan batako dengan bahan lokal dan perbaikan kolam. Hasil kegiatan menunjukkan bahwa kolam kembali berfungsi optimal, meningkatkan daya tarik wisata hingga 30%, serta menciptakan peluang ekonomi baru bagi masyarakat. Pendampingan teknis, seperti pelatihan pembuatan batako dan diskusi interaktif, meningkatkan keterampilan masyarakat dan kesadaran akan pentingnya pengelolaan wisata yang berkelanjutan. Meski demikian, keberlanjutan program ini memerlukan pembentukan kelembagaan pengelolaan wisata dan dukungan pemerintah desa. Kegiatan ini menegaskan pentingnya kolaborasi antara perguruan tinggi dan masyarakat dalam mengembangkan potensi desa wisata melalui pendekatan teknis dan partisipatif.
Co-Authors AA Sudharmawan, AA Abdul Malik Amalina, Anisa Nur Batuna, Nerizza Cheryl Salma Darmono Dian Eksana Wibowo Didik Purwantoro Elviana Endaryanta Endaryanta Endaryanta Enden Mina, Enden Fathonah, Woelandari Febriana Arum Dewi Fikri Faris Gilbran Althaf, Machammad Wally Hatutiningsih, Arum Dwi Hendra Dewata Kurniawan, Muhammad Adi Manason, Mikel Darren Maris Setyo Nugroho Muhammad Nuruzzaman Nisa, Mitsaq Addina Nugraheni, Risa Nur Oktaviani Widiastuti, Nur Oktaviani Oktaf Agni Dhewa Rama Indera Kusuma rudi nur syamsudin Sabrianto Aswad, Sabrianto Sasmayaputra, Nur Alfian Sativa Sativa Setiawan, Riski Slamet Widodo Sunar Rochmadi Suwartanti Syahrani, Luthfi Auliya Teuku Faisal Fathani Wahyu Wilopo William Wijaya Zaidun, Amat