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All Journal Bumi Lestari MEDIA KOMUNIKASI TEKNIK SIPIL Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) U Karst Syntax Literate: Jurnal Ilmiah Indonesia JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Civil and Environmental Science Journal (CIVENSE) Jurnal Manajemen Aset Infrastruktur dan Fasilitas Jurnal Riset Rekayasa Sipil Jurnal Konstruksi Jurnal Abdi Daya Journal of Infrastructure Planning and Engineering Advance Sustainable Science, Engineering and Technology (ASSET)
I Nengah Sinarta
Universitas Warmadewa
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Social Sciences Transportation Other

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KESIAPSIAGAAN DAN PEMETAAN ALIRAN LONGSOR BAHAN ROMBAKAN (DEBRIS FLOW) I Nengah Sinarta; A.A Gede Sumanjaya; I Made Surya Kumara; I Made Adi Bhaskara; I Made Kusuma Wiranata
Jurnal Abdi Daya Vol. 4 No. 2 (2024): Jurnal Abdi Daya Vol.4 No.2 Tahun 2024
Publisher : Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jad.4.2.2024.1-11

Abstract

Landslide events are natural phenomena where material on a slope adjusts to a new stability state. This process occurs when the load on the slope increases or its inclination becomes steeper, causing the material to slip along a critical failure plane. Such movements involve downward displacement of materials, which may include soil, rock, or artificial fill. Landslide disasters can be triggered by earthquakes or intense rainfall. On October 18, 2021, a magnitude 4.8 earthquake struck near Karangasem, Bali, at a depth of 10 km, leading to landslides that resulted in 2 fatalities and damage to 171 buildings in Bangli Regency. Areas at risk of landslides, such as Dusun Dukuh, require a disaster mitigation scheme to minimize losses in life and property. Currently, the disaster response team in Dusun Dukuh is underactive in public awareness and lacks understanding of maintaining the donated early warning system. The proposed solution involves strengthening the disaster response team through mapping debris flow-prone areas and improving evacuation methods and hazard recognition. The methodology includes two primary activities: identifying and mapping vulnerable settlements and conducting outreach and training on landslide signs and evacuation procedures. The findings highlight the need for comprehensive risk mapping and the development of a robust local volunteer network. Enhancing the disaster response team's capacity through modern technology and improved infrastructure has proven effective in increasing preparedness for debris flow events. With appropriate implementation strategies, risk mitigation in Dusun Dukuh can be more effective and responsive to future disaster threats
Peringatan Dini Terhadap Ancaman Banjir dan Longsor di Dusun Dukuh, Kintamani I Nengah Sinarta; Kadek AGus Mahabojana; I Made Kusuma Wiranata
Jurnal Abdi Daya Vol. 5 No. 1 (2025): Jurnal Abdi Daya Vol.5 No.1 Tahun 2025
Publisher : Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jad.5.1.2025.38-45

Abstract

Program Kemitraan Masyarakat (PKM) di Dusun Dukuh, Desa Abang Batudinding, Kecamatan Kintamani, dilaksanakan untuk meningkatkan kesiapsiagaan masyarakat menghadapi ancaman banjir bandang dan longsor. Wilayah ini sangat rentan terhadap bencana akibat kondisi geologi vulkanik, lereng terjal, serta intensitas hujan yang tinggi. Sebagai Dusun yang rawan bencana, dan sudah terbentuknya tim siaga bencana, perlu tetap dilakukan edukasi dan pemahaman teknologi peringatan dini sehingga kesiapsiagaan tetap berkelanjutan.Edukasi kesiapsiagaan dan Focus Group Discussion (FGD) dengan masyarakat, dilanjutkan dengan pemasangan alat Early Warning System (EWS) berbasis Internet of Things yang menunjukkan kondisi cuaca yang salah-satunya Adalah intensitas curah hujan. EWS di setting pada intensitas hujan 80 mm/jam dan 210 mm/jam dalam waktu 3 jam, untuk memberikan peringatan dini melalui bunyi dan notifikasi digital. Hasil evaluasi menunjukkan adanya peningkatan pemahaman masyarakat, dengan rata-rata nilai pre-test sebesar 70 meningkat menjadi 90 pada post-test, yang menandakan adanya peningkatan kesadaran terhadap potensi bencana dan prosedur evakuasi.Dampak kegiatan menunjukkan kesiapan Tim Siaga Bencana, serta kebermanfaatan nyata dalam mengurangi risiko korban jiwa maupun kerugian material. Ke depan, tim PKM merencanakan pengembangan prototipe sensor pergerakan lereng untuk memperkuat sistem peringatan dini yang telah terpasang. Dengan demikian, program ini menjadi model mitigasi yang dapat direplikasi di wilayah rawan bencana serupa.
Prestressed beam system due to the addition of a long-span beam in building infrastructure Debora Evlin; I Nengah Sinarta
Journal of Infrastructure Planning and Engineering Vol. 1 No. 1 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.1.2022.27-32

Abstract

Prestressed concrete is the perfect composite consisting of high-strength concrete and strands with reinforcement with high yield strength Prestressed concrete beam is one of the concrete innovations that have been used in many constructions. The advantage of prestressed concrete particularly using the post-tensioning method, in designing and applying prestressed concrete beam for the building is that the tensioning can be carried out in stages, for all tendons in a member, or some of them Prestressed concrete beam using post-tensioning method can be an alternative to increase the span of the building when removing the existing column in the center of the building is required. In this paper, the use of prestressed concrete beam will be designed in Nyitdah Hospital-Tabanan, Bali. The prestressed beam is designed with 60/90 cm dimension and 1 tendon unit with 12 strands unit. Based on the design and result, the prestressed beam can be used as the alternative to increase spans in a building room of the Nyitdah hospital.
Column structure strengthening with FRP (Fiber Reinforced Polymer) due to story addition I Wayan Maesa Andreasnata; I Nengah Sinarta; Ni Komang Armaeni; I. P. Ellsa Sarassantika; Dang Thanh Trung; Cintantya Budi Casita; Roro Sulaksitaningrum; Sudarno P. Tampubolon
Journal of Infrastructure Planning and Engineering Vol. 1 No. 1 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.1.2022.38-45

Abstract

This study focuses on strengthening scheme of an existing structure with added story. The addition of a new story increases gravitational loading, which affects the seismic and wind responses of the structure and, as a consequence, the loading combination. To ensure the structure’s capacity requirement, the strengthening scheme uses CFRP (Carbon Fiber Reinforced Polymer). In order to adequately define the structure's performance, a series of structural analyses were performed. The structure's state before and after story addition, subsequently the state after CFRP strengthening, were evaluated. It is demonstrated that the additional story to the structure causes an exceedance in internal forces; however, the strengthening with CFRP is sufficient to withstand these forces, proving that the strengthening scheme is effective and beneficial.
Composite structure in the Kutus-kutus factory building, Gianyar, Bali Ni Putu Indah Puspita Anggraeni; I Nengah Sinarta; I Putu Ellsa Sarassantika
Journal of Infrastructure Planning and Engineering Vol. 1 No. 2 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.2.2022.81-86

Abstract

This study focuses on the design implementation and performance analysis of concrete-steel composite structure of a four-story Kutus-Kutus Factory, a facility for the production of herbal oils, built in the seismically active Gianyar district of Bali. In order to create an efficient, fully composite cross section, the design process uses an analytical approach that emphasizes the relationship between the concrete slab and steel beams as well as the design of each of these components. The structure was designed and assessed in accordance with Indonesia Building Standard guidelines for minimum load, earthquake-resistant, and concrete and steel based material requirements. The final results of the design confirmed that the composite performance is strong enough to withstand enormous loads combined in industrial buildings, particularly in seismically active areas, and can operate within the recommended safety margins and restrictions. This paper ends with a call for more research on the real application of composite structure design in Indonesia, which can then assist the rapidly expanding Indonesian construction industry in maximizing the advantages of using composite construction techniques.
The design of the flat slab system with drop panel in the Sukawati market building Dewa Ngakan Made Dwiva Cahyana; I Nengah Sinarta; I Putu Ellsa Sarassantika
Journal of Infrastructure Planning and Engineering Vol. 1 No. 2 (2022)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.1.2.2022.75-80

Abstract

Sukawati Market Building has 4 floors and 1 basement with a total building area of 1136.16 m2. It was designed to use a flat slab structure system with the addition of drop panels that maintained the height or story clearance while reducing total building height by eliminating the interior beams. The structure was designed follow the Indonesian Standard for reinforced concrete building design guideline and assessed through finite element simulation. The shear capacity of the flat slab was determined by the strength of the concrete and its dimensions. The reinforcing bar of flat slabs with drop panels is determined in the same way as the reinforcing bar of concrete slabs. Based on the results, the design efficiently resists the forces demand while meeting the deflection requirement, reflecting the structure system's safety and serviceability. The structure system also maintains the total height of the building in order to comply with local high-limit regulation.
STUDY OF THE APPLICATION GREEN CONSTRUCTION IN TESTING THE FUNCTIONAL FEASIBILITY OF MAIN PRAJA OFFICE THE REGIONAL SECRETARIAT OF DENPASAR CITY I Gusti Agung Gede Jaya Adhiputra; I Nengah Sinarta; Ni Komang Ayu Agustini
Journal of Infrastructure Planning and Engineering Vol. 3 No. 1 (2024)
Publisher : Master Program of Infrastructure and Environmental Engineering, Postgraduate Program, Warmadewa University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/jipe.3.1.2024.12-17

Abstract

The functional feasibility and green construction application in the retrofitting of the Praja Utama office building of the Denpasar City regional secretariat was investigated based on Indonesian regulations PUPR Ministerial Regulation No.21 of 2021 concerning Green Buildings and PP No. 16 of 2021 concerning building functional feasibility testing. Visual observations and structural analysis using SAP2000 software revealed significant damage to structural elements, compromising the building's safety and functionality. A retrofitting plan was developed using Fiber Reinforced Polymer (FRP) to strengthen and repair the damaged components. The green construction assessment showed a high level of compliance, with 12 out of 13 required categories fulfilled in the retrofitting process. The findings highlight the importance of regular structural assessments, timely retrofitting interventions, and the feasibility of incorporating sustainable practices in building rehabilitation projects. The successful application of FRP and green construction principles demonstrates the potential for restoring structural integrity while minimizing environmental impact. Future research could explore the broader application of these methods and develop standardized guidelines for functional feasibility assessments and green construction in retrofitting projects.
Analisis Potensi Longsor Rombakan (Debris Flow) dengan Pemodelan Aliran di Lereng Gunung Abang, Kintamani, Bali. Sinarta, I Nengah; Wahyuni, Putu Ika
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 28, Nomor 2 (2022)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v28i2.37157

Abstract

Debris flow was mass movement such as; clay, fine sand, organic waste and coarse material such as; gravel, rocks, organic waste, logs mixed with water. Based on historical information the slope of the ancient caldera of Mount Batur that were potentially threatened for the village with debris flows hazards including; Trunyan, Abang Batudinding and Buahan Village. Modeling with DFLOWZ software was supported by spatial data with input parameters namely; Digital Elevation Model (DEM) data and Polyline data. Modeling was an initial approach in predicting the debris inundation area. Research results to get the type of material and debris flow direction. The observed flow anatomy was debris flow in valleys and rivers at an altitude of ± 1500 msl, curved in the valleys of the hills and the direction of flow is to the west. The DFLOWZ analysis shows that the retained deposit area that has the potential to cause debris avalanches is 49,830 m2, with an inundation height based on 5-7 m thick slope valley. The results of the modeling serve as a form of early warning for communities affected by the threat of inundation of debris flows.
NILAI DERAJAT KEJENUHAN TANAH PADA PENILAIAN ANCAMAN LONGSOR ROMBAKAN (DEBRIS FLOW) PADA BATUAN VULKANIK Sinarta, I Nengah; Wahyuni, Putu Ika; Aryastana, Putu
Jurnal Riset Rekayasa Sipil Vol 4, No 2 (2021): Maret 2021
Publisher : Prodi Teknik Sipil Fakultas Teknik Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (687.433 KB) | DOI: 10.20961/jrrs.v4i2.44878

Abstract

Longsor aliran adalah gerakan spasial yang terjadi terus menerus akibat bergeraknya permukaan tanah biasanya berjarak dekat dan terjadinya tidak terlalu lama. Gradasi longsoran aliran tergantung pada intensitas hujan, jenis tanah dan vegetasi sedangkan arah mobilitas tergantung dari kemiringan lereng dan jenis tanah permukaannya. Jenis tanah yang mudah jenuh akibat hujan dengan intensitas tinggi dan singkat di lereng menyebabkan lapisan tanah tergerus akibat berat sendiri secara cepat menuju lembah, hal inilah yang menyulitkan bagi penduduk untuk menghindar dan mengungsi. Kasus tersebut perlu dilakukan analisis dan kajian teknis tentang pengaruh nilai derajat kejenuhan tanah yang menimbulkan ancaman longsor bahan rombakan. Pengamatan dilakukan dengan sampel borehole dan Geolistrik dilakukan Desa Abang Batu Dinding, Kintamani, morfologi permukaan adalah perbukitan, jenis tanah pada kedalaman rata-rata 1-1,5 m adalah lanau berpasir, dan batuan dasar berupa batuan breksi vulkanik. Analisa hidrologi dimodelkan berdasarkan poligon thiessen dimana curah hujan efektif rata-rata pada 10-50 tahun sebesar 238 mm/hari. Nilai tegangan air pori negatif bertambah dari 35 kPa-72,44 kPa dalam pori-pori tanah masih terdapat air yang dapat menjaga ikatan butiran tanah pada saat derajat kejenuhan rendah sekitar 40% dan selanjutnya naik sampai 78,46%. Pada penelitian ini pada derajat kejenuhan 40% sampai 56% nilai kuat geser tanah meningkat dan selanjutnya kuat geser tanah mengalami penurunan sampai 37,62o dengan derajat kejenuhan 78,46%. Perubahan yang cepat pada permukaan tanah yang minim vegetasi akan menimbulkan erosi dipermukaan tanah, pada kondisi spasial dengan ketebalan tanah 1-1,5 m akan menyebabkan longsor rombakan atau debris.
Co-Authors A.A Gede Sumanjaya Agus Kurniawan Agus Kurniawan Agus Kurniawan Agus Kurniawan Cahaya Putra, Putu Agus Adi Candrayana, Kadek Windy Cintantya Budi Casita Dang Thanh Trung Debora Evlin Dewa Ngakan Made Dwiva Cahyana Dharma, I Made Sotya Wira Diatmika, Pande Gede Bayu Guna Fajar Yudha Pratama Gede Suartana Gusti, I Gusti Putu Agung Giga Pasoepati Hartawan, I Made Nova I Gusti Agung Gede Jaya Adhiputra I Gusti Agung Gede Jaya Adhiputra I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Ngurah Agung Eka Arya, Tejadinata I Ketut Nudja S., I Ketut I Made Adi Bhaskara I Made Bagastia Pinandika I Made Indra Beratha I Made Kusuma Wiranata I Made Kusuma Wiranata I Made Kusuma Wiranata I Made Surya Kumara I Made Wahyu Pramana I Nengah Damara Putra I Nyoman Surayasa I Putu Ananda Indra Kusuma I Putu Ellsa Sarassantika I Putu Ellsa, Sarassantika I Wayan Ariyana Basoka I Wayan Gde Erick Triswandana I Wayan Gde Erick, Triswandana I Wayan Maesa Andreasnata I Wayan Widanan Ida Ayu Cri Vinantya Laksmi Ika Wahyuni Jose Manuel Maniquin Kadek AGus Mahabojana Kadek Windy Candrayana Komang Deddy Endra Prasandya Mandia, I Wayan Maria Imaculata Goran Mosa Maria Imaculata Goran Mosa Ni Ketut Natalia Wulansari Ni Ketut Natalia Wulansari Ni Komang Armaeni Ni Komang Ayu Agustini Ni Komang Ayu Agustini Ni Made Widya Pratiwi Ni Putu Indah Puspita Anggraeni Nugraha, Cokorda Gede Eka Nyoman Nuri Arthana Nyoman Parthin Indra, Maulana Putu Aryastana Putu Ellsa, Sarassantika PUTU IKA WAHYUNI Putu Ika Wahyuni Putu Ika, Wahyuni Rahadiani, Anak Agung Sagung Dewi Roro Sulaksitaningrum Sudarno P Tampubolon Sumanjaya, Anak Agung Gede Wayan Runa Wirasana, I Made Adi Wisnawa, I Putu Gede Dharma Yasa Bagiarta, I Ketut Yohanes Parlindungan Situmeang