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All Journal Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Teknisia BANGUN REKAPRIMA Jurnal Talenta Sipil
I Made Wahyu Pramana
Politeknik Negeri Bali
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ANALISA PENENTUAN PARAMETER MEKANIK BATUAN DENGAN METODE RMR DAN GSI PADA KAWASAN PANTAI MELASTI, BALI I Made Wahyu Pramana; I Wayan Arya
Jurnal Ilmiah MITSU (Media Informasi Teknik Sipil Universitas Wiraraja) Vol 8 No 2 (2020): Jurnal Ilmiah MITSU
Publisher : Fakultas Teknik, Universitas Wiraraja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24929/ft.v8i2.978

Abstract

In order to do bearing capacity and slope stability analysis of rock, determination of physical and mechanical parameter of the rock is needed. The objective of this study is to determine the mechanical parameter of the rock using RMR and GSI method. Result of this study are rock in Melasti beach area is classified into fair rock with range of GSI value of 35 to 45. Mechanical parameter of the rock using RMR method are f = 25 – 35 and c = 200 KPa – 300 KPa and mechanical parameter using GSI method is f = 24 – 29 and c = 256 KPa – 330 KPa.
LIQUEFACTION ASSESSMENT BASED ON GRAIN SIZE AND CPT ANALYSIS FOR BIROBULI AREA, SOUTH PALU Siti Nurlita Fitri; I Made Wahyu Pramana
TEKNISIA Vol 27 No 2 (2022): 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.vol27.iss2.art3

Abstract

Birobuli is located in South Palu, which has highly vulnerable to earthquakes. One of the phenomena that usually occur after an earthquake is liquefaction which causes significant damage and loss of life. Furthermore, all the infrastructure is required to analyze the effect of external load and potential hazards. This research aims to investigate the liquefaction potential in Birobuli, South Palu. The method was divided into two categories: grain size distribution analysis and empirical formula based on CPT data. The result presented a similar trend in grain size analysis which consist of all the range in the potential to liquefaction, while the CPT result describes the same meaning. The CPT 1 result showed SF<1 between 0-5m and 9-11m, while CPT 2 had fluctuating data in ranges between 0.18-2.00 in 0-4m, SF under 2 in 6-8m and 9-11m. This study was expected to provide information for local government as disaster mitigation for Birobuli Area.
Analisis Penurunan Daya Dukung Tiang Tunggal pada Tanah yang Berpotensi Mengalami Likuifaksi di Kota Denpasar, Bali I Made Wahyu Pramana; I Wayan Arya; I Wayan Wiraga; IGAG Surya Negara Dwipa RS
Jurnal Talenta Sipil Vol 6, No 2 (2023): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v6i2.320

Abstract

In Indonesia, earthquakes occur very frequently. As a result of the earthquake, the safety of building structures against earthquakes really needs to be taken into account in the analysis of calculating the factor of safety. Apart from the effect of the earthquake on the superstructure, the effect of the earthquake on the substructure must also be considered. One of the substructure failures that can occur in the substructure due to an earthquake is a soil liquefaction where the soil experiences a loss/decrease in the bearing capacity of the soil as a result of the earthquake. This study used a quantitative method by conducting soil investigations and taking soil samples from the field. The results of the soil investigation will be used in calculating the potential for liquefaction of the soil layers and the axial bearing capacity of single pile foundations before and during liquefaction. At the study site, the dominant soil is loose sand with a high ground water table. The soil has the potential to experience liquefaction from a depth of 1.5 m to 13 m. This study modeled 2 pile models where both of them experienced a decrease in the axial pile bearing capacity respectively: 93% and 79%.
PERENCANAAN STRUKTUR DINDING PENAHAN TANAH SETRA TUNON DESA ADAT PEJATEN, KECAMATAN KEDIRI, KABUPATEN TABANAN, BALI Rani, Ni Made Sintya; Ardika, I Nyoman; Pramana, I Made Wahyu; Parthama, Kadek Adi
Bangun Rekaprima Vol. 9 No. 2 (2023): Oktober 2023
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/bangunrekaprima.v9i2.5073

Abstract

Desa Adat Pejaten, Kabupaten Tabanan, Bali, memiliki Setra Tunon yang menjadi wadah kegiatan adat bagi masyarakat yang hingga kini senantiasa menjaga budaya warisan leluhur. Saat ini kondisi dinding penahan tanah pada Setra Tunon telah mengalami kerusakan dan diupayakan untuk dilakukan pembuatan serta perbaikan. Dalam upaya perbaikan dinding penahan tanah maka perlu dilakukan renovasi secara bertahap untuk mencegah keruntuhan tanah yang lebih parah. Untuk mendukung rencana tersebut, harus disertai dengan perencanaan yang baik berupa gambar rencana dan kelengkapannya. Kolaborasi tim Pengabdian Kepada Masyarakat dengan pihak mitra menjadi kunci dari keberhasilan kegiatan ini, sehingga permasalahan yang ada di lapangan dapat dicarikan solusinya secara bersama-sama. Keberhasilan target menyediakan capaian berupa gambar rencana struktur dinding penahan tanah diharapkan bermanfaat sebagai pedoman bagi desa adat dalam proses pengaturan, pembuatan Rencana Anggaran Biaya, serta dapat digunakan sebagai kelengkapan pengajuan proposal pengumpulan dana pengaturan setra Tunon
Analisis Kelayakan Investasi Proyek Pembangunan Asvara Resort Manuaba Ubud Dewi, I Gusti Ayu Wulan Krisna; Pramana, I Made Wahyu; Sudiarta, I Komang
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.646

Abstract

The current property competition in Bali, marked by an increase in the construction of hotels, villas, and resorts, coupled with the fluctuating growth rate of tourist visits over the past five years due to the pandemic (with both increases and decreases), necessitates a reevaluation of the investment feasibility analysis for the construction of Asvara Resort Manuaba Ubud. This study aims to assess the market, technical, and financial feasibility aspects of the investment in the construction of Asvara Resort Manuaba Ubud, to determine whether this development remains profitable for investors. Additionally, it seeks to ensure that the benefits of this resort development can be felt by the government and the surrounding community, thus supporting the welfare and economy of the region, especially Gianyar Regency. To analyze the market aspect, data on the number of tourists visiting Bali, occupancy rates, and the availability of similar resorts in the surrounding area, obtained from government agencies and several star-rated hotels in the vicinity, are required and then processed using forecasting methods. For the technical aspect analysis, geographical location data, project location, and land utilization plans are analyzed using qualitative descriptive methods. For the financial aspect analysis, data on costs and revenues obtained from contractors and operators are analyzed using Net Present Value (NPV), Benefit Cost Ratio (BCR), Payback Period (PP), and Internal Rate of Return (IRR) parameters. The market aspect analysis results show an increase in tourist visits, including occupancy rates, which will positively impact visits to this resort. From the technical aspect, land utilization and allocation have been optimized for investment. Financially, the NPV value is Rp 16,706,385,995.27, the IRR is 19.67%, the BCR is 1.242, and the PP is 10 years. The sensitivity analysis results, considering the worst-case scenario where all revenue components decrease by 8% and costs increase by 8%, show an NPV value of Rp 1,215,020,196.08, an IRR of 17.13%, a BCR of 1.018, and a PP of 13 years. Overall, it can be concluded that this investment is feasible for investors.
Pengaruh Negatif Change Order terhadap Biaya, Mutu dan Waktu pada Proyek Konstruksi di Kota Denpasar Dewi, I Gusti Ayu Wulan Krisna; Pramana, I Made Wahyu
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.792

Abstract

Change orders often occur in constructionprojects, particularly in building projects, involvingadditions, changes, or reductions of work items during the implementation process. These changes significantly affect the project’s cost, quality, and schedule. The negative impact of changeorders is frequently felt across these three aspects, as observed inconstruction projectsin Denpasar. Therefore, ananalysis isneeded to determine the extent ofthe negativeimpact caused by change orders. This study aims to measure the impact of change orders on cost, quality, and time in constructionprojects in Denpasar. The research process began with a literaturereview toidentify the variablesand indicators-related to change orders and theireffects on projectimplementation. Subsequently, questionnaires were prepared and distributed to projectmanagers, sitemanagers, and project leaders in Denpasar as respondents. The collected data was then analyzed using the Partial Least-Square (PLS) method to gain deeper insight into the impact of change orders. The findings reveal that change orders have a significantly negative impact on project performance. Specifically, the influence of changeorders onproject cost is recorded at 31.6%, on quality at 16.8%, and on time at 23.2%. These results highlight that change orders play a crucial role in determining theefficiency and effectiveness of building construction projects. Therefore, effective management of changeorders is essential to minimize their negative impact and ensure that projects are executed according to plan interms of cost, quality, and time..
Co-Authors Dewi, I Gusti Ayu Wulan Krisna I NYOMAN ARDIKA I Wayan Arya I Wayan Wiraga IGAG Surya Negara Dwipa RS Ni Made Sintya Rani Parthama, Kadek Adi Siti Nurlita Fitri Sudiarta, I Komang