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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 273 Documents
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Identifikasi lokasi rawan kecelakaan untuk peningkatan keselamatan jalan (studi kasus Jalan Tambak-Cibugang KM 71-81, Kabupaten Serang, Banten) Abdul Anwar Cahyo Wicaksono; M. Oka Mahendra; Hadi Wiguno
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.13804.109-117

Abstract

Road safety is an essential aspect of transportation infrastructure planning and management, especially considering the high rate of traffic accidents in Indonesia. The Tambak–Cibugang Road, KM 71–81, located in Serang Regency, Banten, is a strategic route that has shown a high accident rate in recent years. This study aims to identify accident-prone areas, analyze their causal factors, and provide technical recommendations to improve driver safety. The method employed is a descriptive-quantitative approach, involving primary and secondary data collection, calculation of the Equivalent Accident Number (EAN), blackspot identification using the Blackspot Identification (BKA) method, and prioritization of locations through the Upper Control Limit (UCL). Accident data were obtained from relevant agencies for the period 2020–2024, covering the number of incidents, fatalities, serious injuries, minor injuries, and material losses. The analysis results indicate that KM 78 and 81 are identified as locations, with values of 462 and 435, respectively, as these exceed the BKA value of 325. Contributing factors to accidents include poor road geometry, limited traffic signs, insufficient road lighting, and pavement damage such as cracks, potholes, and uneven surfaces. Technical recommendations for improvements include road geometry adjustments, additional traffic signage, enhanced road lighting, and pavement rehabilitation. The implementation of these recommendations is expected to significantly reduce accident rates and improve safety for road users.
Inspeksi keselamatan jalan di Ruas Jalan Hang Tuah-Mayjend D.I. Panjaitan Kota Tegal Suprapto Hadi; Asyhari Wijaya; Dzakiyya Salsabila Afifi; M. Daffa Izzuddin; Rahmat Rizki Ananda
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14066.82-93

Abstract

Roads play an important role in supporting community mobility, goods distribution, and regional economic growth. However, poor road conditions, inadequate geometric design, and incomplete traffic facilities often increase the risk of traffic accidents. The Hang Tuah–Mayjend D.I. Panjaitan Road corridor in Tegal City serves as a major urban route with dense traffic and mixed vehicle movements. This study aims to conduct a comprehensive road safety inspection by integrating the Hazard Identification, Risk Assessment and Risk Control (HIRARC) method with the Surface Distress Index (SDI) approach. The HIRARC method was used to identify hazards, assess risk levels, and determine appropriate risk control measures, while the SDI method was applied to evaluate pavement conditions based on surface distress observations. The results indicate that the main hazards found along the corridor include roadside activities, geometric deficiencies, inadequate traffic signs, and construction materials located on the roadside. The HIRARC analysis showed that most identified hazards were classified as medium risk with risk values ranging from 6–12, while the highest risk was caused by roadside construction materials with a risk value of 15. Meanwhile, the SDI assessment revealed that all road segments were categorized as being in good condition with SDI values ranging from 15–30, indicating that the pavement damage was still local in nature and only required routine maintenance. The integration of HIRARC and SDI demonstrates that good pavement conditions do not necessarily guarantee low safety risks, as operational factors and roadside obstacles remain dominant contributors to potential traffic accidents along the road corridor.
Optimalisasi limbah serbuk besi dan superplasticizer terhadap workability kuat tekan beton berkelanjutan Sartika Nisumanti; Rahmat Shafari Abdillah; Marguan Fauzi
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14271.94-100

Abstract

The utilization of industrial waste as a concrete constituent material is an important strategy to reduce the use of natural fine aggregates and support the development of sustainable concrete materials. This study aims to evaluate the effect of iron powder as a partial substitute for fine aggregate combined with 0.8% superplasticizer on setting time, workability, density, and compressive strength of concrete with a target strength of fc’ 20 MPa. The method was conducted experimentally and consisted of six mixture variations, namely normal concrete, concrete with 4% iron powder, concrete with 0.8% superplasticizer, and concrete with 4%, 5%, and 6% iron powder combined with 0.8% superplasticizer. The test specimens were prepared as cylinders measuring 10 cm x 20 cm and tested at 7, 14, and 28 days, while the characteristics of the aggregate, slump, setting time, density, and compressive strength were analyzed descriptively and comparatively. The research results show that the mixture of 6% iron powder and 0.8% superplasticizer produced the highest 28-day compressive strength of 25.5 MPa, an increase of about 18% compared to normal concrete at 21.39 MPa. This indicates that substituting local low-content iron powder waste, combined with a superplasticizer, can enhance compressive strength while maintaining concrete workability. This research can provide a practical foundation for the development of sustainable concrete based on local industrial waste.
Sistem lahan basah buatan untuk mereduksi sedimen dan polutan di Sungai Tougela Kabupaten Minahasa La’la Monica; Liany Amelia Hendratta; Olivia Maria Tumurang
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14438.45-52

Abstract

Lake Tondano, a national priority lake, has experienced increasing sedimentation and declining water quality due to sediment and pollutant loads from its inlet rivers, including the Tougela River. Agricultural activities, settlements, and hydrological conditions contribute significantly to elevated sediment and nutrient inputs, particularly phosphate, which threaten the sustainability of the lake ecosystem. This study aims to analyze flood flow characteristics, sedimentation, and water quality of the Tougela River, as well as to evaluate the application of constructed wetlands as a measure to control sediment and pollutant loads before entering Lake Tondano. The research method includes hydrological analysis using the rational method to estimate design flood discharge, analysis of suspended sediment concentration, and water quality assessment based on BOD, COD, and phosphate parameters. Data were obtained through field measurements, water sampling, and rainfall data analysis. A floating constructed wetland was applied with emergent plants, planting media and floating media made of bamboo and anchors. The selected emergent plants were local aquatic macrophytes, namely water hyacinth (Eichornia crassipes) and water spinach (Ipomoea aquatica) which are available at the research site. The results indicate that sedimentation in the Tougela River reaches 160.95 g/s at the 50-year return period flood discharge. BOD and COD values comply with water quality standards, while phosphate concentrations only meet Class III–IV standards. The constructed wetland reduced phosphate concentrations by 10–24.5% and suspended sediment by 4.6%. The water flow in the floating constructed  wetland was still influenced by the lake’s water flow, which affected the observation results, but its application has the potential as a nature-based solution for reducing sediment and pollutant loads.
Analisis peningkatan kinerja desain Bangunan Gedung DPRD Kabupaten Sumenep berdasarkan prinsip bangunan gedung hijau (BGH) Masmulyadi; F. Rooslan Edy Santosa
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14506.53-64

Abstract

The implementation of Green Building (BGH) has become an important strategy for improving resource efficiency and supporting sustainable development in the construction sector. Although BGH regulations are mandatory for state-owned buildings in Indonesia, empirical evidence on the effectiveness of design revisions in enhancing building performance during the technical planning stage remains limited. This study evaluates the effectiveness of regulation-based design revisions in improving Green Building performance, quantifies performance changes, and identifies the assessment aspects that most influence BGH achievement. A regulatory-based performance assessment with a before–after comparative case study design was applied to the Sumenep Regency DPRD Building. Building performance was evaluated using the official BGH assessment system established under Minister of PUPR Regulation No. 21/2021 and Ministerial Circular No. 01/SE/M/2022. Performance changes were measured by comparing the initial and revised design scores using absolute and relative improvement indicators across seven BGH assessment aspects. The results indicate that the BGH score increased from 70 points (42.4%) to 124 points (75.2%), upgrading the building classification from non-compliant to the Madya Green Building category. The improvement was mainly driven by energy efficiency measures, including optimization of building orientation, lighting, and air-conditioning systems, while water efficiency showed only limited progress. These findings demonstrate that regulation-based design revisions not only improve compliance with BGH requirements but also function as a strategic mechanism for enhancing sustainability performance from the planning stage. This study contributes a regulatory-based comparative evaluation approach for quantitatively assessing design revision effectiveness and identifying the dominant factors influencing Green Building performance in regional government buildings.
Analisis indikator komunikasi dalam keberhasilan proyek konstruksi: studi literatur Alvia Nayla Wibowo
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14728.73-81

Abstract

Construction projects are complex activities involving multiple stakeholders and constrained by time, cost, and quality. In practice, communication has been identified as a critical non-technical factor influencing project success. This study aims to analyze the role of communication in construction project success and to identify the most dominant communication indicators based on previous studies. The research employed a literature review approach by analyzing 20 national scientific journals supported by relevant book on project management and organizational communication. Data were analyzed using content analysis to identify the most frequently discussed and statically dominant communication indicators. The result shows that most studies indicate a significant relationship between communication and project performance, particularly in terms of time, cost, quality, and risk control. Among the identified indicators, information delivery emerges as the most consistent and statistically dominant factor. Other indicators such as message clarity, two-way communication, communication technology usage, coordination relationships, and performance reporting also contribute to project effectiveness, although not always as primary variables. This study concludes that construction project success is not solely determined by technical aspects but is strongly influenced by the effectiveness of the communication system implemented in project management.
Evaluasi dan redesain geometrik jalan pada Jalan Raya Denpasar-Gilimanuk Segmen Ruas Antosari - Batas Kota Tabanan (KM 34+100-KM 34+422) I Made Agus Ariawan; Putu Cinthya Pratiwi Kardita; I Putu Chandra Wibawa; Putu Kwintaryana Winaya; I Putu Mahendi Krisna Massudana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14729.12-20

Abstract

Traffic accidents often occur due to a mismatch between road geometry and vehicle operating conditions, particularly on high-risk road sections. This study aims to evaluate road geometric conditions and design improvements for the Denpasar-Gilimanuk Highway, specifically at accident-prone locations, namely the Antosari–Tabanan City Border road segment (KM 34+100–KM 34+422). The research methodology began with data collection, including an inventory of road geometry, traffic data, and accident records. The evaluation and design of road geometry were conducted in accordance with Road Geometric Design Guidelines No. 13/P/BM/2021. The existing road geometry consists of a compound curve with radius (R) of 30 m and 120 m, without a connecting straight section, with a lane width of 6.7 m. The maximum grade (g) is 7%, with vertical curve lengths of 60 m and 80 m. These values do not meet minimum standards, thus potentially increasing the risk of accidents. The geometric redesign was carried out with two alternatives: either making it a single curve with an adjusted curve radius (R) of 130 m or 110 m and a vertical alignment gradient of 4.86% or 6.54%, with curve lengths of 150 m or 90 m, based on considerations of stopping sight distance, headlight glare, leading sight distance, and driving comfort. The design also includes widening the pavement at the curve by 1.25 m, improving roadside drainage, and installing traffic signs and road markings. This research contributes to providing a comprehensive approach in handling accident-prone locations through the integration of geometric aspects and road equipment.
Optimasi pola operasi Waduk Tukul di Pacitan untuk mendukung kebutuhan air irigasi dan domestik Imam Nashrullah; Hari Nugroho; Kresno Wikan Sadono
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14733.101-108

Abstract

Tukul Reservoir, located in Pacitan Regency, serves a strategic role as a multipurpose infrastructure designed to meet irrigation and domestic raw water requirements. However, climate change dynamics and fluctuations in inflow discharge necessitate a precise storage management strategy to guarantee service reliability. This study aims to analyze and optimize the operation patterns of Tukul Reservoir to achieve high reliability in fulfilling irrigation water needs for 153 hectares and an average domestic raw water demand of 242.95 liters/second. The research methodology employs a water balance optimization simulation based on the Standard Operating Rule (SOR) principle, utilizing a 25-year hydrological dataset. Simulations were conducted across various hydrological conditions—wet, normal, and dry years—applying a Rice-Rice-Secondary Crop (Padi-Padi-Palawija) cropping pattern starting in the third week of October (October III). The results indicate that during wet years, water supply reliability reaches an absolute level of 100%. In normal years, the reliability index is recorded at 83.33%, providing maximum service across all sectors. Conversely, during dry years, reliability decreases to 81.82%, where the reservoir can only supply 90% of the maximum raw water demand (219.00 liters/second). These findings recommend the implementation of a rotational irrigation system during dry periods to maintain the stability of crop water availability. Overall, the resulting operation patterns serve as a technical benchmark for dam authorities in optimizing sustainable water resource management.
Analisis stabilitas geser dan guling pembangunan dinding penahan tanah tipe turap di Area Tangki H13 PT Pertamina EP Sangasanga Field Norminawati Dewi; Ahmad Ridhani Noorfauzi; Hasany Reyvanza; Tekad Budiantoro
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14838.118-126

Abstract

Slope instability in oil and gas operational areas can pose significant risks to facility safety and operational continuity, particularly in hilly regions affected by surface water flow and erosion. Such conditions were identified at the H13 tank area of PT Pertamina EP Sangasanga Field, where a rapidly deployable and effective slope reinforcement system was required. This study aims to analyze the stability of a portable sheet pile retaining wall constructed from zinc plates and steel tubing pipes as an alternative temporary slope stabilization system. The analysis was carried out using Rankine theory to determine lateral earth pressure and the Broms method to evaluate the lateral capacity of the supporting piles. Soil parameters were obtained from Standard Penetration Test (SPT) data, indicating cohesive clay soil conditions with an internal friction angle of 25°, cohesion of 16 kN/m², and a unit weight of 19 kN/m³. The results show that the active earth pressure coefficient (Ka) is 0.405, producing a total bending moment of 53.115 ton·m acting on the sheet pile structure. The lateral capacity analysis indicates that the supporting piles behave as long piles and possess sufficient capacity to resist the applied lateral loads. Stability evaluation against sliding yielded a safety factor of 2.075, indicating that the system is stable and safe under the analyzed conditions. The findings demonstrate that the combination of zinc plates and steel tubing pipes can provide adequate resistance to lateral earth pressure and serve as a practical alternative for temporary slope stabilization in oil and gas operational areas. This study contributes to the limited technical knowledge regarding the application of portable sheet pile systems made from simple materials in cohesive clay soils.
Pengaruh penggunaan superplasticizer admixtures terhadap susut beton usia muda Mohammad Junaedy Rahman; Ahmad Rifqi Asrib; Irma Aswani Ahmad; Aulia Meylinda Al Farkah
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 15 No. 1 (2026)
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.15.1.14847.136-145

Abstract

Early-age concrete shrinkage, caused by the loss of water and the hydration reaction process, can lead to micro-cracks that propagate into sources of weakness, thereby reducing the concrete's serviceability and durability. The long-term effects of this issue can be mitigated through the interlocking effect of aggregate grading and/or the addition of non-shrinkage admixtures. Type F admixtures classified as high-range water reducers (HRWR) or superplasticizers can increase workability, reduce volumetric deformation without compromising the concrete's mechanical properties. This study specifically aims to determine the influence of superplasticizer on reducing shrinkage and enhancing the compressive strength performance of concrete. The early-age shrinkage study was conducted by measuring vertical strain changes in fresh concrete cylinder specimens cast in molds with leveled surfaces containing both fine and coarse aggregates, a composition that yields different shrinkage behavior compared to tests typically performed on mortar. Simulations involving the addition of superplasticizers at dosages of 0.35%, 0.55%, and 0.75% by weight of cement showed positive effects on slump and density; furthermore, these dosages resulted in progressively lower shrinkage values ??by the end of the 330-minute measurement period. A comparison of concrete shrinkage measurements on test specimens without superplasticizer admixtures revealed shrinkage values ??of 58.16%, 71.11%, and 85.37% for the respective dosage categories of 0.75%, 0.55%, and 0.35%. These results demonstrate that early-age concrete shrinkage can be significantly reduced through the addition of superplasticizers. Additionally, the use of these superplasticizer dosages indicated an increase in compressive strength beyond the design grade at 28 days. Regression analysis using a power-law equation yielded a coefficient of determination (R²) of 99.79%, strongly indicating that early-age shrinkage influences the concrete's compressive strength.

Page 27 of 28 | Total Record : 273

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