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All Journal Jurnal Teknik : Majalah Ilmiah Fakultas Teknik Unpak JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Singgih Irianto Trisilo Hadi
Universitas Pakuan
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Transportation Other

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PENDAMPINGAN TEKNIS MASYARAKAT DESA SIRNAJAYA DALAM MENGHADAPI RISIKO BENCANA TANAH LONGSOR Iit Adhitia; Wahyu Gendam Prakoso; Irfan Marwanza; Muhammad Agus Kamardi; Singgih Irianto Trisilo Hadi; Solihin
Jurnal Abdi Masyarakat Indonesia (JAMIN) Vol 5 No 1 (2023): JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jamin.v5i1.16047

Abstract

The hilly area around Situ Rawa Gede is located in Sirnajaya Village, Sukamakmur District, Bogor Regency, with the existence of Situ Rawa Gede surrounded by hills extending from the south to the northwest. Landform changes are increasingly visible in the hilly areas around Situ Rawa Gede due to community gardening activities and coffee agro-tourism, and the opening of settlements causes topsoil to peel off, which is detrimental to the physical condition of the soil, can cause erosion and trigger mass movement of soil/rock. It is necessary to arrange land in the hilly area around Situ Rawa Gede to be appropriately organized. A zoning map of the vulnerability of ground motion is needed; from this map, it can be seen which areas have low to high soil vulnerability. Land management is one of them by making terracing which helps increase water infiltration into the soil and limiting surface runoff to minimize the risk of surface water erosion. This PkM activity provides a technical description of the concept of making a soil movement vulnerability zoning map to the community so that they understand the importance of maps of low to high soil vulnerability zones in their area in disaster mitigation efforts and through technical assistance related to the application of bench terraces and garden terraces so that they can be planted with plantation crops as ground cover is also for the safety of the community and visitors to coffee agro-tourism.
MODEL PENANGANAN RESIKO LONGSOR DI LERENG SUNGAI CILEBAKCAWI DESA MUARASARI KECAMATAN BOGOR SELATAN Dinta Anindy Ismiralda; Singgih Irianto Trisilo Hadi; Winda Widia
Jurnal Teknik | Majalah Ilmiah Fakultas Teknik UNPAK Vol 25, No 1 (2024): Jurnal Teknik : Majalah Ilmiah Fakultas Teknik UNPAK
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/teknik.v25i1.10303

Abstract

Model penanganan resiko longsor pada lereng sungai dapat diawali dengan menghitung faktor keamanan lereng. Analisis faktor keamanan lereng didapat dengan menganalisis beberapa parameter material lereng dengan menggunakan program geo-slope. Parameter yang dibutuhkan adalah jenis material penyusun lereng dari hasil pemetaan geologi dan akusisi data geolistrik, sifat fisik dan mekanika tanah dari uji laboratorium, dan geometri lereng. Berdasarkan analisis faktor keamanan  lereng Sungai Cilebakcawi, kondisi lereng dalam keadaan labil dengan nilai faktor keamanannya 0,983. Angka keamanan lereng pada lokasi penelitian juga sangat dipenaruhi oleh kedalaman MAT. Dengan kondisi labil tersebut perlu dibangun perkuatan lereng diantaranya dengan penggunaan bronjong kawat yang dikombinasikan dengan terasering dan pile. Hasil dari kombinasi perkuatan ini dapat menaikan angka kemanan lereng menjadi diatas 3,328 walau dalam kondisi MAT dangkal yang menunjukan lereng dalam kondisi stabil atau mantap.Kata kunci :Penanganan Resiko Longsor, Faktor Keamanan Lereng, FK, Bronjong kawat, pile.ABSTRACTThe model for handling landslide risk on river slopes can be started by calculating the slope safety factor. Analysis of slope safety factoris obtained by analyzing several slope material parameters using the geo-slope program. The parameters required are the type of material that makes up the slope from the results of geological mapping and geoelectrical data acquisition, the physical and mechanical properties of the soil from laboratory tests, and the geometry of the slope. Based on an analysis of the safety factor for the slopes of the Cilebakcawi River, the condition of the slopes is in an unstable state with a safety factor value of 0.983. The slope safety score at the research location is also greatly influenced by the depth of the MAT. With these unstable conditions, it is necessary to strengthen the slopes, including using wire gabions combined with terracing and piles. The results of this strengthening combination can increase the slope safety figure to above 3.328 even in shallow MAT conditions, which indicates the slope is in a stable or stable condition.Keywords:Model for Handling landslide, Slope Safety Factor, FK, Wire Gabion, pile.
PENDAMPINGAN TEKNIS MASYARAKAT DESA SIRNAJAYA DALAM MENGHADAPI RISIKO BENCANA TANAH LONGSOR Iit Adhitia; Wahyu Gendam Prakoso; Irfan Marwanza; Muhammad Agus Karmadi; Singgih Irianto Trisilo Hadi; Solihin
Jurnal Abdi Masyarakat Indonesia (JAMIN) Vol 5 No 1 (2023): JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jamin.v5i1.16047

Abstract

The hilly area around Situ Rawa Gede is located in Sirnajaya Village, Sukamakmur District, Bogor Regency, with the existence of Situ Rawa Gede surrounded by hills extending from the south to the northwest. Landform changes are increasingly visible in the hilly areas around Situ Rawa Gede due to community gardening activities and coffee agro-tourism, and the opening of settlements causes topsoil to peel off, which is detrimental to the physical condition of the soil, can cause erosion and trigger mass movement of soil/rock. It is necessary to arrange land in the hilly area around Situ Rawa Gede to be appropriately organized. A zoning map of the vulnerability of ground motion is needed; from this map, it can be seen which areas have low to high soil vulnerability. Land management is one of them by making terracing which helps increase water infiltration into the soil and limiting surface runoff to minimize the risk of surface water erosion. This PkM activity provides a technical description of the concept of making a soil movement vulnerability zoning map to the community so that they understand the importance of maps of low to high soil vulnerability zones in their area in disaster mitigation efforts and through technical assistance related to the application of bench terraces and garden terraces so that they can be planted with plantation crops as ground cover is also for the safety of the community and visitors to coffee agro-tourism.
Co-Authors Dinta Anindy Ismiralda IIT ADHITIA Irfan Marwanza Muhammad Agus Kamardi Muhammad Agus Karmadi Solihin Wahyu Gendam Prakoso Winda Widia