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Putu Aryastana
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Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa
Published by Universitas Warmadewa
ISSN : 23032693     EISSN : 25812939     DOI : https://doi.org/10.22225/pd.6.2.482.108-122
Core Subject : Social, Engineering,
Civil Engineering, Building, Construction & Architecture Environmental Science
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa, 2303-2693 (Print ISSN), 2581-2939 (Electronic ISSN) is a journal of civil engineering provides a forum for publishing research articles or review articles which published by Warmadewa University Press jointly with Progam Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa. This journal is also dedicated to provide an intellectual space of scholarly discussion how journal of civil engineering able to create the new global formation of civil engineering and similar issues. This journal has been distributed by Progam Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa started from Volume 1 Number 1 Year 2012 for Print and Oline from Volume 3 Number 1 Year 2014 to present. This journal encompasses original research articles, review articles, and short communications, including: Civil Engineering; Water Resources; Construction Management; Transportation; Structure; Geotechnics; Environment; Others Engineering
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 14 Documents
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Search results for , issue "Vol. 12 No. 2 (2023)" : 14 Documents clear
Analisis indeks vegetasi pada citra Landsat 8 untuk penentuan perubahan tutupan lahan di Kabupaten Badung, Provinsi Bali Putu Aryastana; I Gede Yogi Adnyana Puspita Riana; Ilona Dwiyeni Nahak; I Wayan Wartana; Ida Bagus Made Yatana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6370.127-136

Abstract

One of the common problems in urban regions is urbanization, urbanization, and industrialization trigger land use change, this land use change urges green land in urban areas to shrink, triggering building density which in the future will lead to new problems such as limited natural resources, congestion, and air pollution, Badung is a regency that is currently being attacked by massive land changes, therefore this research was conducted to compare the level of vegetation density and the area of vegetation density using the Normalized Difference Vegetation Index (NDVI) technique in 2015 and 2021 over Badung Regency. The supervised classification method was used to produce four classes consisting of water, soil, settlement, and vegetation. The results of this study exhibited the land cover decreased between 2015 and 2021 in the vegetation class around 57.26 km2. On the other hand, there is an increase in the land cover class for the settlement, land, and water body categories of 47.38 km2, 4.08 km2, and 5.80 km2, respectively. These results were obtained with an accuracy rate and kappa coefficient is 89.27% and 0.86, respectively. This indicate the classification recult in this study was feasible to use.
Validitas data curah hujan produk satelit IMERG terhadap data curah hujan terukur di wilayah Bima dan Dompu Rostihanji; Humairo Saidah
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6461.137-152

Abstract

Complete rainfall data for an extended period is needed to facilitate hydrological analysis. However, there are many obstacles to obtaining the measurement rainfall data as a limitation of rain gauges, especially in remote areas. This study aims to determine the accuracy of rainfall data estimated by the IMERG (Integrated Multi-satellitE Retrievals for GPM) satellite and obtain a correction factor to improve its compatibility with measured rainfall data. The IMERG satellite rain data was corrected using the regression method and the average ratio. The accuracy of the IMERG satellite rain data against the measured rain data is measured from the NSE, R, RMSE, and RB values. The analysis results show that the accuracy of the GPM satellite daily rain data is very low but improving for the ten-daily and monthly periods. Generally, the best correction factors for daily, ten-daily, and monthly periods are obtained using simple linear regression methods and 2nd-order polynomials. The corrected IMERG satellite rain data increase in accuracy, where the monthly rainfall data performs well, the ten-daily data generally complies, and the daily data has not shown good performance. The average values of NSE, R, RMSE, and RB for daily data are 0.14 (poor), 0.37 (weak), 9.18 mm, and -0.12%, respectively; for ten-daily data respectively, 0.40 (fair), 0.63 (strong), 39.42 mm, and 1.47%; and for monthly data are 0.55 (fair), 0.74 (strong), 80.19 mm, and -0.07%. The ten-daily and monthly rainfall data from the IMERG satellite can be used as a rain source data alternative in the Bima and Dompu areas by applying a correction factor.
Pengaruh pasang surut air laut terhadap kekuatan beton komposit material Ground Granulated Blast Furnace Slag (GGBFS) Muhammad Kemal Rafif; Alfinna Mahya Ummati
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6518.218-227

Abstract

Beton merupakan material yang umum digunakan untuk membangun infrastruktur pada berbagai kondisi lingkungan, namun beton memiliki kelemahan pada lingkungan yang terpapar air garam. Sehingga penulis bermaksud meneliti mengenai dampak paparan air laut terhadap kuat tekan dan kuat tarik belah beton, serta menggunakan Ground Granulated Blast Furnace Slag (GGBFS) sebagai pengganti semen untuk mengurang dampak paparan air laut terhadap beton. Pada penelitian ini, peneliti akan melakukan percobaan dengan memaparkan beton dengan air laut buatan dengan siklus kering basah dengan durasi perendaman 24 jam, 16 jam, dan 8 jam, sebagai intepretasi dari siklus pasang surut air laut. Hasil pengujian yang didapat adalah dengan menambahkan GGBFS dalam campuran beton sebanyak 20%, beton akan mengalami peningkatan performa dari 29.06 MPa pada kuat tekan dan 2.34 MPa pada tarik belah menjadi 32.17 MPa pada kuat tekan dan 3.64 pada kuat tarik belah, jika dibandingkan dengan beton tanpa tambahan GGBFS, dan dengan memaparkannya dengan air laut selama 24 jam, beton dengan campuran GGBFS 20% memiliki kuat tekan yang lebih baik dari beton normal tanpa campuran GGBFS, namun dengan kadar GGBFS 40% beton akan mengalami penurunan performa menjadi 26.98 MPa. Sedangkan berdasarkan metode perendaman menggunakan air laut yang telah dilakukan, penurunan performa menjadi 24.15 MPa ketika mengalami siklus perendaman 8 jam, dan pengeringan selama 16 jam Hal ini membuktikan bahwa beton yang terpapar air laut akan mengalami penurunan kekuatan terlebih pada kondisi pasang-surut yang ekstrim. Pemanfaatan GGBFS sebagai bahan campuran beton merupakan salah satu upaya pemanfaatan limbah, namun terdapat proporsi ideal dan teknik pencampuran yang perlu diperhatikan, sehingga beton limbah tidak mengalami kehilangan performa yang signifikan.
Pengujian validitas konstruk berbagi pengetahuan pada tim proyek DB Made Novia Indriani
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6558.153-159

Abstract

The variable or construct of sharing knowledge is a multidimensional construct. The aim of this research is to test the validity and reliability of the indicators forming the knowledge sharing construct by conducting confirmatory factor analysis (CFA). The knowledge sharing construct is measured using 2 (two) dimensions, namely the tacit knowledge sharing dimension and the explicit knowledge sharing dimension, with 14 (fourteen) indicators that are in accordance with theoretical studies. Factors that influence tacit knowledge sharing and explicit knowledge sharing are analyzed based on field data collected from distributing 120 questionnaires to 40 DB projects in several cities in Indonesia. From the outer loading results, it can be seen that all construct indicators are valid where the resulting t-statistics value is > 1.96. Then from the results of the path coefficients, all first order constructs have a significant effect on the second order construct of knowledge sharing where the resulting t-statistics value for all first order constructs is > 1.96. This means that the knowledge sharing instrument developed has good construct validity and has a high internal consistency reliability coefficient.
Analisis kapasitas box culvert existing pada pengembangan Bandar Udara Rendani Provinsi Papua Barat Sinta Afifah K Assem; Falderika
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6577.160-165

Abstract

Airports serve as transportation facilities that can assist in mobilization and provide access to and from a region. In the context of the development of Rendani Airport in Manokwari, West Papua, an extension of the runway is being carried out. The use of a box culvert as a river channel and foundation for the runway must have sufficient capacity, as it is directly related to the safety of activities at the airport. Therefore, this study aims to calculate the planned flood discharge of the channel to determine the capacity of the installed box culvert. Furthermore, it aims to determine the minimum safe dimensions for the box culvert and assess the safety of the installed dimensions. The analysis used to solve this problem includes frequency distribution analysis, rainfall intensity analysis, the analysis of the runoff coefficient of the catchment area, calculation of the planned flood discharge, and an evaluation of the dimensions of the box culvert. The results of the calculation show that the capacity of the installed box culvert dimensions is 438.4 m³/s, and the planned flood discharge capacity for a 100-year return period is 215.26 m³/s. It can be concluded that the capacity of the installed dimensions is sufficient to meet the planned discharge. Therefore, the minimum existing box size that can be used is 3.1 m x 7 m.
Pemanfaatan abu serbuk kayu dan serbuk cangkang kerang sebagai material stabilisasi tanah lunak Irvan Ustuchri; Anita Setyowati Srie Gunarti; Sri Nuryati; Elma Yulius; Eko Darma; Ninik Paryati; Fajar Prihesnanto
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6602.166-171

Abstract

Muara Gembong Sub-district, Bekasi Regency, West Java Province, has many damaged and bumpy roads. This area is coastal and some parts of the area are swampy soils that have low bearing strength, not meeting the required bearing strength (CBR) of at least 6%. This research aims to analyze the effect of the addition of sawdust ash and clam shell powder as soil stabilization material on bearing strength, in this case the California Bearing Ratio value. The method used in this research is a laboratory experiment of soft soil stabilization mixed with additive materials in the form of sawdust ash and clam shell powder at a proportion of 2% and 4% to the dry weight of the soil. Tests carried out include Atterberg limit test, compaction, and CBR in unsubmerged conditions. The analysis showed that the soil mixed with 4% clam shell powder without sawdust ash increased the CBR value by 84.32% against the original soil CBR. Soil mixed with clam shell powder and sawdust ash also experienced an increase in bearing strength but not as good as soil mixed with clam shell powder alone.
Inovasi pembuatan panel dan batako berbahan serbuk kayu sebagai dinding rumah sederhana tahan gempa I Nyoman Sutarja; I Made Dodiek Wirya Ardana; AAG Agung Yana; I Nyoman Susanta; IDGA Diasana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6668.179-185

Abstract

The number of poor people in Indonesia in March 2021 was 27.54 million people. One indicator is that people do not yet have decent homes. The income of the poor is generally below average, resulting in difficulties in accessing housing loans from banks. All parties must contribute in helping the poor to have livable houses. Researchers innovate to make simple houses livable based on Appropriate Technology, namely technically meeting safety, economical and affordable, ergonomic according to occupant anthropometry, fulfilling socio-cultural standards so that they can be accepted by the community and are energy efficient and sustainable. The innovation of using panels or bricks from sawdust for the walls of a simple house with a size of 3 m x 6 m that was built according to Appropriate Technology methods meets feasibility. The maximum stress ratio of 0.534 occurs in the column and is smaller than the required 1.0. The maximum deviation that occurs at the top of the building is 5.91 mm and is smaller than 0.02 times the total height of the building, namely 0.02 times 4000 is 80 mm. Measurement of the intensity of natural lighting during the day obtained 338 Lux, room temperature obtained 25.56°C, air humidity (RH) 71.62%, and air movement 0.15 m/sec and noise 36.82 dB. The contribution of this research is to provide a new wall material solution for simple houses, namely walls made from panels and bricks made from wood powder.
Aplikasi vektor beban penentu lokasi kerusakan struktur pada struktur portal rangka ruang Richard Frans; Yoyong Arfiadi
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6679.172-178

Abstract

Structural health monitoring system is one of the most interesting and important topics in civil engineering. This is because a good structural health monitoring system will increase the reliability of the structure. There are 4 (four) levels in the structural health monitoring system, one of which is damage localization. Damage localization requires an approach or method that can accurately predict the damaged member. One of the methods that is widely applied and proven to give good results for predicting damaged members called damage locating vector (DLV). The DLV method has been applied to several structures, such as plane truss structures, space truss structures, plane frame structures, shear buildings, plane stress elements, thick plate elements and several types of structures. The purpose of this research is to apply DLV method to space frame structures to find out the effectiveness of this method in damage detection. There are three damage scenarios used, two single damage scenarios and one multiple damage scenario. Based on the results obtained, the DLV method can accurately determine the damaged member in the space frame structure for single damage scenarios but in case of multiple damage scenarios, the DLV cannot predict the damaged member due to the values ​​of the end forces and moments of the damaged members are similar to one another.
Analisis water footprint pada budidaya pakcoy dengan sistem irigasi bawah permukaan pocket fertigation Putri Agustina Hotmatua Hutabalian; Chusnul Arif
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6680.186-194

Abstract

Limited water resource and the decrease in the plant productivity of the bok choy (Chinese white cabbage) causes the need for appropriate irrigation technology. Pocket fertigation, as an innovative irrigation technology, is develop from previous a ring irrigation system and it is expected to increase crop and water productivity. This study aims to analyze the water footprint of the bok choy plant using a pocket fertigation irrigation system with various scenarios, and to determine the optimal irrigation system. The research was conducted in April-June 2022 at Kinjiro Farm, Bogor City. The research steps included land preparation, data collection, data processing, and water footprint analysis. Irrigation scenario design is influenced by factors of pocket fertigation (P1) and conventional (P2) irrigation systems, as well as water supplied based onetime evaporation (A1) and two times evaporation rates. The total water footprint in scenarios P1A1, P2A1, P1A2, and P2A2 are 251.72 m3/ton, 231.56 m3/ton, 295.69 m3/ton and 222.16 m3/ton respectively with the highest irrigation efficiency occurs in the P2A1 scenario, so further development of pocket fertigation is needed to minimize the water footprint and increase water productivity.
Model dekonstruksi bangunan berkelanjutan berbasis “reverse 4D BIM” Tri Joko Wahyu Adi; Novalia Andriyani
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 12 No. 2 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.12.2.6693.228-234

Abstract

Indonesia's increasing population and limited land have made the need for shelter, workplaces, and vertical buildings increase. As a consequence, buildings that have exceeded their service life, have changed their function, have been damaged by a disaster, and are not fit for function need to be demolished. Demolition needs special attention because the process requires complex planning, is hidden, carries high risks, and generates more than 40% of the total solid waste in developing countries. In Indonesia in particular, deconstruction has not been carried out by many demolition service providers. The government does not yet have comprehensive regulations for sustainable building demolition. This study aims to propose a sustainable demolition model by prioritizing the conservation of demolition waste material. In this study, the "reverse 4D BIM" technology is used to visualize the sequencing of the demolition process and predict the type, volume, and scheduling of disposal of demolition waste. The predicted results of demolition waste are then classified for their use using reduce, reuse, and recycle (3R) concept to maximize the sustainability of the demolition process and the circular economy. To implement this model, a 4D BIM-based building simulation is used. The simulation results show that the proposed model is effective and can be implemented for sustainable building demolition.

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