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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 16 Documents
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Search results for , issue "Vol. 14 No. 1 (2025)" : 16 Documents clear
Pemetaan batimetri dan pemodelan morfologi dasar danau serta analisa daya tampung genangan Danau Patenggang Adithya Kresna Sumaamijaya; Fazel Karly; Nandra Ramira Ar; Haikal Muhammad Ihsan
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.10176.76-86

Abstract

This research aims to map the bathymetry and model the bottom morphology of Patenggang Lake and analyze the lake's inundation capacity. This mapping is important because detailed spatial and morphometric data is not yet available as a basis for planning the management and sustainable use of water resources in the area. The research was conducted through mechanical depth measurement, using a measuring stick for shallow areas and a weighted measuring tape for the middle of the lake. The depth data collected was then processed using the topo to raster interpolation method in ArcGIS software to produce a hydrologically accurate digital elevation model (DEM). The DEM became the basis for analyzing the shape and topographic structure of the lake bed. The results show that Patenggang Lake has a basic morphology in the form of a bowl-like basin, with a maximum depth of 12.5 meters in the northwest and a minimum depth of 3 meters in the northeast. The topographic characteristics of the bottom vary: the northwest is relatively gentle, the northeast is moderately gentle, the southeast is moderately steep, and the northwest is very steep. The storage capacity analysis showed that the surface area and water volume increased linearly with elevation, but at different rates of increase. These main results show that elevation changes greatly affect the lake's storage capacity and have implications for the stability of its hydrological functions. This research provides scientific contributions in the form of basic morphometric data and the latest bathymetry model that can be used in lake ecosystem management. Practically, these results can serve as the basis for technical planning of Lake Patenggang water resources management, especially to support conservation, water quality control, irrigation, and development of tourism potential based on accurate spatial data.
Perancangan bangunan pelindung pantai dalam penanganan abrasi (studi kasus: Pantai Caruban, Jawa Tengah) M Gilang Indra Mardika; Tera Melya Patrice Sihombing; Retno Hutami Adinigsih
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.10341.21-34

Abstract

Citing from the National Disaster Management Agency (BNPB) in 2022, abrasion occurred located at Caruban Beach, Gedongmulyo Village, Lasem District, Rembang Regency, Central Java Province. The impact of this abrasion causes a significant change in the coastline. One of the efforts to overcome these problems is to plan coastal protection which is adjusted to the existence of the parameters and urgency on Caruban Beach. The main aims of this research is planning breakwater structure as coastal protection and addressing the abrasion. The parameters used in the planning of coastal protection include significant wave height, tides with HHWL values, refractive coefficients, and shoaling coefficients for the transformation of deep water into shallow water, the raise up of water surface, and Sea Level Rise value. The data on high and significant wave periods are processed using the probability distribution of the Fisher Tippett Type I method at a 50-year return period with high values and extreme wave periods of 2.402 meters and 5.61 seconds, respectively. Waves transformation by the refractive coefficient and shoaling coefficient is derived around 1.57 meters at a depth of 5 meters. HHWL value is earned at 0.928 meters. The value of wave set-up is 0.11 meters, while sea level rise in the best estimate in 2075 is 0.24 meters. So design water level is 1.28 meters. The coastal protection chosen is offshore breakwater because it serves to maintain the position of the coastline and maintain the function of Caruban Beach as tourist destination. Breakwater planning uses three types of protective layers, namely tetrapods, dolos, and boulders, where the wave propagation value on the three types of protective layers is derived consecutively of 0.73 meters, 0.68 meters, and 1.46 meters. Thus, the elevation of the tetrapod, dolos, and boulder protection layers is 2.6 meters respectively, 2.5 meters, and 3.3 meters.
Analisa debit banjir rancangan Bendungan Palasari menggunakan HEC-HMS Ni Luh Putri Prabandari; I Putu Gustave Suryantara Pariartha; Silvia Gabrina Tonyes
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11181.1-9

Abstract

The Palasari Dam is a rock fill structure with a flood storage capacity of 10.37 million m³ and encompasses a catchment area of 40.75 km². In recent years, catastrophic climate changes have caused considerable variations between drought and intense rainfall, heightening the danger of dam failure owing to abrupt increases in water volume. This study is to assess the anticipated flood flow in the Palasari Watershed utilizing the Soil Conservation Service-Curve Number (SCS-CN) methodology within the HEC-HMS software. The utilized data include maximum annual rainfall from the CHIRPS satellite for the years 2004 to 2023, land use information retrieved from the Indonesia Geospatial Portal, and soil type data derived from HWSD v.2 (FAO). Simulations were performed for recurrence intervals of 5, 10, 25, 50, 100, and 1000 years, in addition to the Probable Maximum Flood (PMF). Validation indicates that the SCS approach in HEC-HMS yields greater flood discharge predictions than the Nakayasu method utilized in the 2018 Special Study of the Palasari Dam. The minimum discharge recorded at a 5-year return period was 64.60 m³/second, whilst the maximum discharge reached during the Probable Maximum Flood (PMF) was 710.70 m³/second. A notable discrepancy is evident in QPMF, with the SCS method documenting a discharge of 710.70 m³/second, surpassing the Nakayasu method's output of 686.07 m³/second. The SCS-CN method demonstrates a more conservative approach in calculating flood discharge, hence enhancing the safety margin in dam planning. Conversely, HEC-HMS offers advantages in assessing lag time and its integration with GIS, rendering it a more pragmatic method for water resource management in Indonesia. This research significantly enhances the formulation of Emergency Action Plans (EAP), especially in the context of dam failure analysis, aimed at mitigating risks associated with high flooding.
Analisis pengetahuan siswa SMA dan SMK di Balikpapan Tengah: terkait mitigasi bencana tanah longsor Muhammad Zidan Al Fiqri; Abdul Hakim Hamidi; Yuyun Kusmiati; Alika Putri; Andi Marini
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11195.10-20

Abstract

Landslide is a natural phenomenon that occurs when the movement of soil and rock on a slope takes place due to the influence of gravity, so that the material moves towards the surrounding lower area. In Indonesia, the incidence of landslides is quite high, and Balikpapan is one of the areas vulnerable to this disaster. This study aims to assess the understanding of high school students in Central Balikpapan regarding landslide disaster mitigation. To achieve this goal, the method used in this research is documentation study from various scientific journals to develop questions which are then distributed through Google Form as a database. The targeted respondents are high school and vocational school students in Central Balikpapan area. The results show that 97.20% of the students know the causes and characteristics of landslides, while the other 2.80% still do not know the causes and characteristics of landslides. These findings provide valuable insights for related institutions in landslide disaster mitigation efforts.
Studi pemahaman dan kesiapsiagaan siswa SMA dan SMK di Balikpapan Utara terkait mitigasi bencana tanah longsor Putri Naila; Andi Nureva Ramadhani; Carol Liudongi; Zorijal Adesi; Andi Marini Indriani
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11208.60-68

Abstract

Landslides are one of the most common natural disasters in Indonesia and can occur in almost all parts of the country, including in East Kalimantan, especially in Balikpapan City. The region is highly vulnerable to landslides, especially during the very heavy rainy season. This is due to the geographical conditions predisposing to landslides as well as high rainfall, which worsens soil stability. With the high potential risk of landslides, it is important to increase the awareness and understanding of the community, particularly the younger generation, on mitigation measures that can be taken to reduce the impact of this disaster. This research makes use of questionnaire distribution as a tool to analyse the level of awareness and understanding of SMA and SMK students in North Balikpapan regarding landslide mitigation. This approach provides a clearer picture of the extent to which students understand the causes, impacts, and mitigation measures that can be taken in dealing with landslides. The results of this study show that most of the students, 73.50%, agree that they know the main causes of landslides. This indicates that the majority of students have received information about the factors that cause landslides, such as heavy rain, erosion, or human activities that destroy vegetation. However, although this figure is quite high, there are still 26.50% of students who disagree or feel that they do not understand the main causes of this disaster, which reflects a lack of information or awareness among some students. In addition, the majority of SMA and SMK students in North Balikpapan have a good understanding of landslides, including their impacts and mitigation measures after disasters. Nevertheless, there are still a small number of respondents who do not fully understand some important concepts related to landslides, such as the mitigation steps that need to be taken before, during and after a disaster occurs. These findings provide useful insights for relevant parties, especially for schools and educational institutions, to continue improving socialisation and education on landslide mitigation.
Survei pemahaman siswa SMA dan SMK Di Balikpapan Kota terhadap mitigasi bencana tanah longsor Tiara Mustika Mawardah; Muhamad Zen Alhabsy Suneth; Rifqi Gandhie Pratama Husni Putra; Alif Athallah Ramadhani; Andi Marini
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11211.111-119

Abstract

Landslide is the process of moving rock mass (soil) due to gravity. Landslide occurs due to disturbance of equilibrium of forces acting on the slope, i.e. retaining force and launching force. Balikpapan City has a slope between 15-40%, with an area of 21,305.57 hectares or 42.33% of the total area.  Balikpapan City is classified as an area that rarely experiences landslides. However, several landslide incidents have been reported, so people are encouraged to remain vigilant and take preventive measures.  The aim of this study is to focus on the potential landslide hazard in Balikpapan City and how to mitigate it. Because Balikpapan city has hilly contours with soil types that are easily eroded. The method used in this research is the distribution of questionnaires distributed using Google Form link and sent to 7 schools in Balikpapan city.  Data collection started on 6 November 2024.  The results of this data collection activity include 7 high school/vocational school and Madrasah located in Balikpapan City with a total of 490 respondents, by being given 10 questions containing landslide disaster, it is found that the results of ‘agree’ get the most results in the answers of high school students with an average of 90% each school. With this it can be said that students of SMK and Madrasah know and understand about landslides and are familiar with the causes and impacts of landslides. The contribution given in this research includes a number of crucial steps to improve the understanding and awareness of SMA and SMK students in Balikpapan City about landslide disaster. With these contributions, the research is expected to have a positive effect on increasing the awareness and knowledge of SMA and SMK students in Balikpapan City on the importance of landslide disaster mitigation. The findings provide valuable insights for relevant institutions in addressing landslide disaster mitigation efforts.
Manajemen risiko pekerjaan prasarana sarana dan utilitas umum (PSU) jalan menggunakan metode severity index dan root cause analysis berbasis Python Cintya Violita Saruni; Fabian Johanes Manoppo; Marthin Dody J Sumayouw
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11297.46-59

Abstract

Infrastructure, Facilities, and Public Utilities (PSU) are physical facilities that play a crucial role in creating a healthy, safe, and affordable residential environment. One of the main aspects of PSU is the construction of neighborhood roads in residential and settlement areas. Risk management is essential to ensuring project success by identifying and mitigating potential risks that may hinder PSU road construction. This study aims to analyze and manage risks in PSU road projects in North Sulawesi using the Severity Index (SI) and Root Cause Analysis (RCA) methods, implementing the analysis with Python, and developing mitigation strategies. Data were collected through interviews and questionnaires with contractors, Commitment Making Officials (PPK), field directors, and project supervisors. To ensure data reliability, each risk variable was tested for relevance before further analysis. The SI method was used to prioritize risks based on their impact, while the RCA method identified the root causes of dominant risks. Python was applied to automate the Severity Index analysis, facilitate the RCA 5 Whys process, and visualize data to enhance efficiency and accuracy. The SI analysis identified 11 dominant risks out of 28, covering natural, material and personnel, cost and time, and environmental risks. Key risks included unpredictable weather, design changes in the field, and project delays. The root causes included a lack of consideration for weather factors, insufficient technical personnel, and ineffective communication. The proposed mitigation strategies include developing contingency plans, increasing technical personnel, and improving coordination among stakeholders. This study helps PSU road construction users and service providers identify, understand, and respond to risks more effectively while also providing Python as a risk management tool to automate risk identification and analysis using the SI and RCA methods for future applications.
Analisis tren pola curah hujan di Wilayah Manado dan sekitarnya Brilliant Abraham Wallah; Tiny Mananoma; Cindy Jeane Supit
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11383.35-45

Abstract

Flood disasters are one of the major issues frequently occurring in Manado City, Indonesia, particularly during the rainy season. These floods are influenced by various factors, including changes in land use, deforestation in upstream river areas, river sedimentation, inadequate drainage systems, and extreme rainfall. Climate change also significantly impacts the hydrological cycle, including the intensity, frequency, and distribution of rainfall. Manado City is highly vulnerable to increased rainfall intensity, especially during specific months. Therefore, analyzing rainfall pattern changes over the past 50 years is crucial for a deeper understanding of their impacts. This study aims to identify trends in rainfall pattern changes in the Manado region and its surroundings over the last 50 years. The analysis focuses on several variables, including annual average rainfall, maximum daily rainfall, the number of rainy days per year, months with maximum daily rainfall, and average monthly rainfall. Rainfall data were obtained from three observation stations: Sam Ratulangi Meteorological Station, North Sulawesi Climatology Station, and Bitung Maritime Meteorological Station. Statistical analysis was conducted using linear regression and the Mann-Kendall Trend method to determine data trends. The analysis results indicate that the annual average rainfall trend has increased at all observation stations. Maximum daily rainfall shows a significant increasing trend at North Sulawesi Climatology Station, while the increases at the other two stations are not significant. The number of rainy days per year also shows an increasing trend at all stations, though not significantly. The distribution of maximum daily rainfall frequency tends to occur at the beginning of the year (January) and the end of the year (December), with decreasing frequency in the following months until mid-year. This distribution pattern forms a "U" or "V" shape at Sam Ratulangi Meteorological Station and North Sulawesi Climatology Station, whereas at Bitung Maritime Meteorological Station, rainfall patterns are more evenly distributed throughout the year. Additionally, average monthly rainfall shows an increasing linear trend in almost all months at all observation stations. This study contributes to the understanding of rainfall pattern changes, which can serve as a basis for spatial planning, disaster mitigation, and the adaptive design of infrastructure to cope with climate change in urban areas such as Manado.
Analisis perilaku kinerja struktur bangunan pada variasi tipe podium zona gempa 5 menggunakan metode respon spektrum Paskalis Halawa; Sudarno P Tampubolon; Lolom Evalita Hutabarat
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11440.152-165

Abstract

Buildings or structures in Indonesia are highly vulnerable to earthquakes, especially in seismic zone 5. Podium-type buildings consist of two main parts: the podium and the tower. This type of building is used due to its advantages of better stability, resulting from a wider base, efficient land use, and good seismic performance. Therefore, this study aims to analyze the structural behavior of three types of buildings: non-podium structures, centrically supported podium towers, and eccentrically supported podium towers. The analysis is conducted using the response spectrum analysis method to examine various structural behaviors, including comparisons of base shear forces, inter-story drift, and the P-Delta effect. The analysis results show that the base shear force of the non-podium structure is 18,463.26 kN, which is higher than that of the centrically supported podium tower at 10,661 kN and the eccentrically supported podium tower at 10,661 kN. In terms of inter-story drift in the x-direction, the eccentrically supported podium tower (model 3) has a displacement of 64.405 mm, exceeding the permissible limit of 61.538 mm. Meanwhile, the non-podium structure (model 1) has a displacement of 60.658 mm, and the centrically supported podium tower (model 2) has 56.408 mm, both meeting the permissible drift limits. For the maximum P-Delta values, Model 1 is 0.0964, Model 2 is 0.05844, and Model 3 is 0.0722, all of which comply with the P-Delta effect limits. The findings of this study are expected to provide a deeper understanding of the differences in structural performance between non-podium structures, centrically supported podium towers, and eccentrically supported podium towers, which can be used as a reference for designers in selecting a structurally safe system by increasing stability against lateral loads.
Evaluasi laik fungsi jalan pada ruas jalan batas Kabupaten Lamongan - Gedeg km 26+290 - km 44+470 dengan metode pemeringkatan bintang Ilham Cahyo Alam; Machsus; Achmad Faiz Hadi Prajitno; Amalia Firdaus Mawardi; Rachmad Basuki
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 14 No. 1 (2025)
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.14.1.11880.87-96

Abstract

Road functionality is a critical factor affecting the safety and smooth mobility of road users. To ensure that roads meet technical requirements, an evaluation of road functionality is conducted to assess their condition and identify necessary improvements for safe and comfortable operation. This study aims to evaluate the road functionality of the Lamongan – Gedeg boundary road segment from km 26+290 to km 44+470 using the star rating method based on the Technical Guidelines for Road Functionality No. 06/P/BM/2024. This road segment is a class II collector road with provincial road status and a primary road network system, playing a crucial role in supporting mobility between regions in the Mojokerto area. The research method is descriptive qualitative, involving field surveys and the completion of star rating assessment forms for each 18.18 km road segment divided into 182 sections. The assessment results show an average star rating score of 5.10, corresponding to a star category of 3 («««). Out of all evaluated segments, there are 18 segments in category 5 stars, 111 segments in 4 stars, 45 segments in 3 stars, and 8 segments in 2 stars. Segments with 2- and 3-star ratings indicate the need for technical interventions to improve road safety. Recommendations for improvement include addressing eight common damage types, such as marking repairs, adding signage, resurfacing, and installing guardrails and delineators. As part of the implementation, a Detailed Engineering Design (DED) and Budget Plan (RAB) were developed amounting to IDR 1,542,089,883.00. The findings of this study are expected to serve as technical references for local governments and stakeholders in planning road safety improvements and as a scientific basis for road functionality evaluation.

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