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Journal of Civil Engineering and Vocational Education
Published by Universitas Negeri Padang
ISSN : 26226774     EISSN : -     DOI : https://doi.org/10.24036/cived
Core Subject : Education, Social, Engineering,
Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Transportation
CIVED Is a periodical scientific journal published three times a year, in March, June and September by the Department of Civil Engineering, Faculty of Engineering, Padang State University. The CIVED journal is a medium for publishing the results of scientific research by students, academics, practitioners and observers in the field of civil engineering including structure, construction management, water resources management, transportation, geotechnical, environmental engineering and learning.
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 299 Documents
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Bridge Condition Assessment (Case Study: Padang – Bukittinggi Route) Masza, Amelia; Hidayat, Benny; Ophiyandri, Taufika
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.713

Abstract

Bridges are critical components of transportation infrastructure, ensuring smooth traffic flow and regional connectivity. However, their structural conditions are influenced by various factors, including traffic loads, material durability, and natural disasters such as earthquakes and floods. Despite existing bridge maintenance frameworks, a comprehensive condition assessment specifically tailored to the Padang-Bukittinggi route has not been thoroughly conducted. This study introduces a systematic evaluation using the Bridge Condition Rate (BCR) method to provide data-driven maintenance recommendations. A total of eight bridges along the Padang-Bukittinggi route were assessed through detailed and routine inspections, followed by cross-case analysis. The results indicate that 75% of the bridges (6 out of 8) require periodic maintenance (BCR=2), 12.5% (1 bridge) necessitates rehabilitation (BCR=3), and another 12.5% (1 bridge) demands immediate replacement (BCR=5) due to severe structural damage. These findings highlight the urgency of targeted maintenance strategies to enhance bridge longevity and operational safety. The study provides critical insights for policymakers and infrastructure authorities, emphasizing the need for proactive maintenance planning to ensure road network sustainability and public safety.
Utilization of PET Plastic Waste in Concrete Asphalt Mixture (AC-BC) to Improve the Stability and Sustainability of Road Infrastructure Cahyono, Andri Dwi; Mahardana, Zendy Bima; Hidiyati, Evita Fitrianis; Firmansyah, M. Faisol; W, Erwindsyah Putra
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.714

Abstract

Plastic waste, especially Polyethylene Terephthalate (PET), is one of the biggest environmental issues in Kediri City, with a volume of 140 tons per month. This research aims to utilize PET plastic waste as an additional material in the Asphalt Concrete-Binder Course (AC-BC) mixture. The study was conducted using an experimental method with variations in PET levels of 0%, 6%, 8%, and 14% of the total weight of the mixture. The test was carried out using Marshall standards to evaluate performance parameters such as stability, flow, VIM (Void in Mix), VMA (Void in Mineral Aggregate), and VFB (Void Filled with Bitumen). The results showed that the addition of PET to 6% increased the stability of the mixture to 6300 kg, higher than the mixture without PET (6200 kg). The flow value increased with the addition of PET, reaching 3.8 mm at a rate of 14%. In addition, VMA and VIM tend to decrease, indicating an increase in the density of the mixture, while VFB achieves an optimal value at a PET level of 6%. This study concluded that PET waste can be used effectively to improve the performance of AC-BC mixtures, with an optimal level of 6%. The utilization of PET plastic waste not only improves the performance of road infrastructure but also contributes to the reduction of plastic waste, thus supporting environmentally friendly and sustainable construction solutions.
Inhibiting Factors of the Acceleration of Irrigation Water Use Improvement Program Permata, Nadia; Hidayat, Benny; Ophiyandri, Taufika
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.721

Abstract

Inhibiting Factors of the Acceleration of Irrigation Water Use Improvement Program (P3-TGAI) is a program for rehabilitation, improvement, or construction of irrigation networks based on the participation of farming communities which is carried out in a self-managed or non-contractual manner follow-up to the Ministry of PUPR Directorate General of Water Resources. Based on the evaluation results from Pambudi & Pramujo in 2023, the implementation of P3-TGAI activities at the basic level still encounters various problems, although in general many successes have been achieved. These problems are seen from the aspects of funding transparency, institutional readiness in the field, late determination of target locations, and less than optimal socialization at the farm level. These problems will hamper the aims, objectives, and goals of P3-TGAI activities. In order for the future implementation of this activity to run smoothly, research was conducted to find out what are the inhibiting factors that have the potential to hinder the success of this inhibiting activity in the preparation stage, planning stage, and implementation stage. The research was conducted using a quantitative descriptive method with a questionnaire instrument. The questionnaire was distributed to assistants. From the results of the study, it was found that there were 15 inhibiting factors with a very high influence on the implementation of P3-TGAI activities. 60% of them came from the preparation stage, 27% came from the implementation stage, and the rest (13.3%) came from the planning stage. Of all the inhibiting factors with a very high influence, there is one inhibiting factor with the highest score, namely communication with the community is not good. The solution to poor communication with the community is that the assistants build good emotional relationships with the community, ТPM must often go to the field, and assistants mingle with the community. In terms of general project objectives, inhibiting factors that hinder timeliness are lack of community participation and poor communication and coordination by the community. The inhibiting factors that hinder quality accuracy are the lack of knowledge and experience of the assistants and the lack of socialization to the village community. And the inhibiting factor that hinders cost accuracy is that the community is manipulated by other parties.
Investigation of PM10 and PM2.5 in Ambient Air: Spatial and Temporal Variations in the Western Area of a Cement Plant AD, Apriandi.; Bachtiar, Vera Surtia; Silvia, Shinta
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.727

Abstract

The objective of this study is to evaluate the horizontal distribution of particulate matter concentrations (PM10 and PM2.5) in ambient air within the vicinity of the cement factory, with consideration for variations in spatial and temporal. The measurements were conducted using the EPAM 5000 instrument, with a total of six sampling points at distances of 0 km, 0.5 km, 1 km, 1.5 km, 2 km and 2.5 km, both during the day and at night, over a period of three days. Meteorological parameters such as air temperature, relative humidity, air pressure, and wind speed were measured to analyses their influence on particulate matter distribution. The findings revealed that the highest PM10 and PM2,5 concentrations were measured at the location closest to the factory (B1) with values of 113.98 μg/m³ and 75.73 μg/m³ at night and 52.80 μg/m³ and 28.27 μg/m³ during the day. A clear pattern of decreasing concentrations of both types of particulates as the distance from the source increases is evident, with a significant decrease occurring at a distance of 0-0.5 km. The PM2.5/PM10 ratio at night (0.67) was higher than during the day (0.56), indicating a greater contribution of fine particulates at night. Meteorological conditions play an important role in the distribution of particulate matter, in particular changes in wind direction and wind speed at night contribute to differences in the concentration and distribution of particulate matter. The results of this study indicate an increased risk of exposure to particulate matter in areas near factories, especially at night, which can be a basis for consideration in the preparation of air pollution control policies and efforts to safeguard public health.
Retaining Wall Design in Addressing the Waterlogging Problem in Tambaklorok Melinda Dwi Rahmawati; Ahmad Rifa'i; Fajar Dwi Satriaji
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.734

Abstract

North Semarang is a densely populated area. Several villages are located not only on the North Coast of Java but also at the mouth of the Semarang River, and these villages are often hit by inundation floods. One of the causes of flooding in Tambak Lorok, Semarang is land subsidence and high tide or ROB. To handle the inundation that occurs, a study of the calculation of the retaining wall structure to hold back the inundation so that it does not enter the Old GIS Switchyard of Tambak Lorok Substation Semarang. The retaining wall planned with a total height of 1.8 m and a bottom width of 0.85 m is stable to the bearing capacity of the soil and safe against overturning and sliding. The bearing capacity of 18 drill pile foundation points with a diameter of 40 cm at a depth of 14 meters is sufficient to withstand the retaining wall and the load above it (350,424 tons > 264,384 tons).
Implementation of Fast Track Method in Bore Pile Foundation Construction for Regional General Hospital Development Projects Setiawan, Doni; Kholida, Lily; Seno, Prihadmadi Anggoro
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.735

Abstract

In a project, running work will require a good planning, scheduling and control, and are influenced by factors such as good resources, material availability, equipment availability, and performance. Natural conditions and other factors affect project progress and can also be the cause of delays in project completion, resulting in the planned time to exceed the previous specified time. With the implementation of the Fast Track method on Bore Pile's work, it can be seen how quickly it will take for the work to be continued and the development project of the Regional Hospital to be completed. This research will focus on the analysis of time and cost acceleration in order to determine the comparison of time obtained with the scheduling start time and also on the analysis of cost outcomes required for acceleration, It is also a matter of consideration for contractors and for project owners and can also be a medium of learning especially in construction management. From the analysis of this study, the result was that the time obtained from the acceleration of activities was 20 days from the initial duration of 110 days to 90 days with the required cost of Rp 9,466,975,861.54, and the cost difference between normal cost and Fast Track method was Rp 238,218,404,57.
Waste to Energy Utilization Technology Study in Padang City Surdinal, Wendi; Aziz, Rizki; Bachtiar, Vera Surtia; Ajis, Muhammad Fadhli
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.736

Abstract

Solid waste management in Padang City is problematic due to the annual increase in waste generation, which leads to various environmental issues. This study aims to predict the most profitable waste-to-energy (WtE) treatment methods from technical and environmental perspectives that can alleviate these issues in Padang City. The study begins with analyzing solid waste generation, composition, and characteristics. Additionally, the amount of incoming waste for thermal planning is projected based on projected generation and population. The environmental implications were assessed using the LCA (Life Cycle Assessment) method. Various waste treatment methods' technical and environmental viability was evaluated, focusing on projected waste generation in 2031, estimated at 929 tons/day. The analysis of technical aspects revealed that thermal processing of mixed waste gasification is the most profitable option, requiring only 5,101 m2 of land and capable of producing 188 GWh/year while achieving the lowest LCA Single Score of 5.82E+04 Conversely, anaerobic digesters and RDF processing generate 120 GWh and 47 GWh of electrical energy, respectively, with Single Score LCA of 4.25E+10 Pt and 7.74E+09 Pt. However, the environmental impact of WtE is the most significant, primarily due to its contribution to global warming. Global warming is predominantly attributed to carbon monoxide (CO) compounds, with carbon dioxide (CO₂) being the primary emission responsible for the observed increase in global temperature.
Evaluation of Landslide Disaster Management in Sawahlunto Syafira, Diana Dwi; Ophiyandri, Taufika; Hidayat, Benny
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.737

Abstract

Sawahlunto City had a high level of landslide vulnerability due to its hilly topography with steep slopes and clay-dominated sedimentary geological conditions. These characteristics made the area highly susceptible to prolonged heavy rainfall, which acted as the main trigger for landslides. In response, the Regional Disaster Management Agency (BPBD) of Sawahlunto implemented disaster management efforts in the pre-disaster, during-disaster, and post-disaster phases. To evaluate the effectiveness, strengths, and weaknesses of these efforts, an evaluation was conducted along with the formulation of alternative strategies for landslide disaster risk reduction. This study employed a qualitative approach, based on interviews with 26 respondents, including relevant agency representatives and affected community members. A SWOT analysis was used to evaluate disaster management activities by identifying internal (strengths and weaknesses) and external (opportunities and threats) factors. The data were analyzed using thematic analysis to identify key themes based on similarities in the respondents’ statements. The results indicated several strengths, including disaster education programs, the Sitaruna Darling initiative, hazard warning signs, risk assessment documents, community forums, and inter-agency collaboration. Weaknesses included limited structural mitigation, poor drainage management, unregulated development, uneven distribution of disaster education, gaps in the formation of Disaster Resilient Villages, damaged early warning systems, and limited financial and human resources of BPBD. Opportunities involved community interest in disaster education, village fund allocation, technological utilization, a strong local cooperation culture, and potential support from BNPB and local parliament programs Major threats included prolonged high-intensity rainfall, unstable topographic and geological conditions prone to landslides, and low public understanding of landslide disaster risks. The recommended strategies involved enhancing inter-agency synergy, optimizing structural mitigation, strengthening regulations, ensuring equal access to disaster education, developing Sitaruna Darling innovations, improving early warning systems, and utilizing BNPB grants for recovery efforts.
Analysis of PM1 Concentration on Primary Arterial Roads in Padang City and Correlation with Meteorological Conditions and Traffic Characteristics Ramadhanil; Bachtiar, Vera Surtia; Aziz, Rizki
CIVED Vol. 12 No. 1 (2025): March 2025
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v12i1.738

Abstract

This study aims to analyze PM1 concentration and the correlation of PM1 concentration with meteorological conditions and traffic characteristics on Padang City Primary Arterial Roads. The research location is perpendicular to Padang City Bypass II Road which is 5m from the roadside. PM1 measurements were carried out using an EPAM 5000 real-time particulate air monitor. Measurements were made during morning rush hour (06.30-08.30 WIB), midday off-peak hours (11.00-13.00 WIB), and evening rush hour (16.00-18.00 WIB). The results showed that the average PM1 concentration and standard deviation in the morning, midday, and evening were 17.48(3.05) μg/m3, 22.87(2.76) μg/m3, and 34.60(7.68) μg/m3 respectively with the highest concentration obtained in the evening reaching 42.63 μg/m3 and the lowest concentration in the morning 12.83 μg/m3. The results of the correlation between PM1 concentrations and meteorological conditions have a reasonably strong to very strong correlation. PM1 concentrations are directly proportional to temperature and wind speed and inversely proportional to humidity. The correlation results of PM1 concentrations to traffic characteristics are directly proportional, such as traffic volume, vehicle speed, and traffic density have a reasonably strong to very strong correlation. These results indicate meteorological factors and traffic characteristics as the main contributors to road air pollution. The recommendation from this study is to optimize air quality monitoring and traffic management.

Page 30 of 30 | Total Record : 299

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