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INDONESIA
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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Correlation of Air, Surface and Pavement Temperatures using MPU 6050 Accelerometer Sensor Septiani, Teni; HM, Muhamad Rofi; Syafier, Siegfried; Utomo, Eko Wahyu
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.630

Abstract

This research analyses the correlation between air temperature, road surface temperature and pavement temperature using the MPU 6050 accelerometer sensor and the Pearson correlation method. Temperature measurements were taken at several predetermined locations, with the data analysed to identify the correlation between the three types of temperature. The analysis showed a very strong correlation between air temperature and road surface temperature, with a correlation coefficient of 0.7845 at night and 0.9663 during the day. Similarly, there is a very strong correlation between road surface temperature and pavement temperature, with a correlation coefficient of 0.8482 at night and 0.9673 during the day. These findings indicate that an increase in road surface temperature leads to an increase in pavement temperature. It was concluded that the correlation method can be used to predict temperatures at other points without invasive direct measurements, thus preventing damage to the road due to destructive measurements. This method is recommended as an alternative in pavement temperature monitoring.
Analysis of Service Performance at Kotabumi Lampung Train Station using the Kano Method Oktavia, Amelia; Aryani, Marnida; Prayogi, Galih Rio; Michael, Michael
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.634

Abstract

The Railway Station is an essential thing in the operation of the train. Passenger trains will raise and lower passengers, both the initial destination of passengers and transit. Kotabumi Railway Station is a station whose activities are to raise and lower passengers; in this case, the train station must have excellent and effective service performance for passengers. So, it is necessary to research the level of passenger satisfaction with the benchmarks for the service performance of train stations regulated in the Minister of Transportation Regulation No. 63 of 2019 concerning Minimum Service Standards. These benchmarks are then submitted as questions to the passengers, which are then processed using the kano method to determine the level of passenger needs and satisfaction. The kano method on the level of passenger satisfaction at the Kotabumi Railway Station results in that 19 attributes are one-dimensional where service performance if fulfilled, will experience the pleasure that is balanced with the existing version, and six characteristics of satisfaction levels are in the indifferent category, namely service performance must remain maintained. Furthermore, the highest CS and DS values ​​were obtained for information on train arrivals and station operating schedules. If this service performance is fulfilled, the passenger satisfaction level is 0.77. If the service performance is not fulfilled, passenger disappointment is at -0.82, so this attribute must be a top priority.
The Compressive Strength of Unfired Clay Brick with MICP Reinforcement Ochtharima, Zaerima Zahira; Indriani, Andi Marini; Utomo, Gunaedy; Maslina, Maslina
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.637

Abstract

Industrial waste in the form of sewage sludge, which is often overlooked, can have significant environmental impacts, especially polluting groundwater and surface water sources. This pollution leads to degradation of water quality, reduces the availability of clean water, and affects ecosystems. To reduce these impacts, sewage sludge can be utilized in the manufacture of construction materials, such as bricks, which is considered an economical and environmentally friendly solution. Fireless brick making, in accordance with the concept of green building, avoids air pollution from the firing process. This study explores the use of Bacillus huizhouensis bacteria in the Microbially Induced Calcite Precipitation (MICP) method to improve the strength of fireless bricks. Bacillus huizhouensis, which can hydrolyze urea and produce calcium carbonate (CaCO₃) or calcite, was chosen for its ability to produce CaCO₃ under alkaline conditions. Bacillus Huizhouensis bacteria were used to strengthen bricks with 15%, 20%, and 25% bacteria concentration variations with culture ages of 8 hours, 10 hours, and 15 hours.  The results showed that the addition of 15% sewage sludge and 25% Bacillus huizhouensis bacterial solution with a culture age of 10 hours produced the highest compressive strength of 34.20 Kg/cm² (3.35 MPa), compared to sewage sludge bricks without bacteria (13.87 Kg/cm² or 1.36 MPa). Although showing significant improvement, this value is still below the SNI 15-2094-2000 standard of 50 Kg/cm² (5 MPa).
Community Behavior towards Plastic Waste: Case Study in Nagari Batu Basa as a Traditional Village Haq, Syaiful; Hidayat, Hendra; Yuvenda, Dori
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.639

Abstract

Sumatra Barat is a halal tourist area but many people throw rubbish carelessly. This phenomenon is a big problem, because environmental issues and waste are world issues. This study reveals the causes of people's behavior of littering using quantitative and qualitative methods. Using 30 observers who monitored community activities for 10 days. The population of this research is the people of Nagari Batu Basa, Pariangan Tanah Datar, Sumatra Barat, consisting of three Jorong (hamlet), Jorong Batu Basa, Jorong Koto Baru, and Jorong Sialahan. The results of the study reveal that people's behavior is to throw rubbish into the river because there are no regulations from the government, there are no rubbish bins, and there is no community initiative to make rubbish bins. People throwing rubbish carelessly has become a habit. People do not care about plastic waste because they do not have knowledge and understanding about plastic waste. Education about waste is also not provided to school students. Apart from that, the government does not pay special attention to plastic waste. The results of this study prove that regulations have an important role in shaping people's behavior in managing waste, especially plastic waste.
Evaluation of Implementation Procurement Policies Via E-Catalog for Construction Work (Case Study: National Road Implementation Agency For West Sumatera Region) Purwono, Eko; Ophiyandri, Taufika; Hidayat, Benny
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.640

Abstract

National Road Implementation Agency (BPJN) for West Sumatera Region has an important role in managing road infrastructure in the West Sumatra Province. In the context of procurement for construction implemented by BPJN for West Sumatra, the use of e-catalogs is a solution to simplify the procurement process. The aim of this research is to evaluate how it is implemented, analyze supporting factors, analyze weaknesses and evaluate the benefits of the policy of procurement via e-catalog in construction work. This research uses a qualitative approach with a semi-structured interview method and Data analysis used thematic analysis. The results of the research show that the implementation of the policy for procurement via e-catalog for construction work at the National Road Implementation Agency for West Sumatera Region has been successfully carried out without any significant problems. Implementation of the policy for procurement via e-catalog in construction work is influenced by various supporting factors, including ease of application, socialization and technical guidance, adequate infrastructure, staff competence and coordination, as well as clear regulations and guidelines. Weaknesses of e-catalogs such as no information on remaining package capabilities, main equipment having to be proprietary, provider selection opportunities, limited service locations, and complete product limitations, all have a significant impact on the effectiveness and efficiency of the procurement process. The E-catalog system provides various significant benefits for construction work. Procurement time efficiency, fair prices, transparent systems, price negotiation, work outcomes, bid documents, provider selection, as well as motivation and competitiveness are some of the key benefits identified.
Analysis of the Causes of Deviations in the Implementation of Construction Work Contracts Based on Verdict ‘Ainaqi, Qorri; Ophiyandri, Taufika; Hidayat, Benny
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.641

Abstract

Construction Work is the whole or part of the activities that include the construction, operation, maintenance, demolition, and rebuilding that are regulated in a Construction Contract. In the implementation of the Construction Contract, several problems cause deviations. The purpose of this research is to analyze the causes of deviations in a Construction Contract based on Verdict. The research data was obtained from the Supreme Court Repository page by searching for Verdict related to implementing Construction Contracts. The limitation of this research is a case that has been decided in the last 10 years in the District Court in West Sumatra. The search results obtained 9 verdicts. The method used to analyze the data is the Rich Picture Diagram (RPD). Validation and refinement are carried out using the Interview method from the results of secondary data analysis. The outcome of this research is the causes of deviations that are prejudicial to one of the parties and thus fall under civil law such as The occurrence of delays caused by: Contractor negligence during implementation, Contractor achievements not paid by the Owner, negligence of the Planner Consultant, the state of the land is not by the drawing plan, continuous heavy rain that disrupts the work, Kurs strengthen sharply, land acquisition has not been completed by the Owner, the Contractor is not given the opportunity 50 days of completion; Disputes caused by: Owner made unilateral changes to Technical Specifications, Supervisory Consultant's mistake in reporting progress.
Implications of The Increase In The Government's Project Budget Ceiling For Construction Managerial In Small Qualified Contractors Elsanema, Oktri; Ophiyandri, Taufika; Hidayat, Benny
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.642

Abstract

The government has issued LKPP regulation No. 11 of 2021 which states that small qualification contractors may handle projects up to 15 billion, which before this regulation came out small contractors could only handle projects with a maximum value of 2,5 billion. The government hopes positively for this restriction, because the gap between large and small construction companies is quite high. In order to compete for large project values, small contractors must be able to reorganize the four managerial stages of construction project implementation, namely Planning, Organizing, Actuating, and Controlling (POAC). For this reason, a study was conducted that aims to analyze the implications of increasing the budget ceiling of government projects on the construction managerial of small qualification contractors. This research uses a descriptive qualitative method by analyzing changes in construction project managerial at each stage of construction project managerial through an in-depth interview process directly with small contractors who handle construction projects worth 5 to 15 billion in fiscal years 2022 and 2023 in the Padang City government. The result of this research is that there are changes in the managerial constructors at the planning stage. At the planning stage the contractor organizes the implementation of the project so that the project can be completed within the agreed time, through the use of Man, Money, Material, Market, Machine, and Method (6M) resources. The resources that change during project implementation at the planning stage are human resources (man). With an increase in the project budget ceiling, small qualification contractors increase the number of team personnel, labor, and team competence in mastering certain competencies to support the implementation of construction projects. While the management of 5M (man, money, material, machine, and method) at the organizing, actuating, and controlling stages, small qualification contractors are able to adjust their construction managerial implementation when the project is still worth under 2,5 billion with a project whose value increases to 15 billion.
Assessment of the Crack Level in Silo Foundations Due to Settlement Malinda, Yosie; Vidayanti, Desiana; Citra, Zel
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.643

Abstract

A silo is a structure used to store bulk materials (bulk materials). Silos are generally used in agriculture as storage for grains and animal feed. The foundation silo must be designed to withstand the forces generated and accommodate the movements transmitted to the structure and foundation by the seismic ground motion design. The dynamic properties of the soil, the anticipated ground motion, the design basis for the strength and energy dissipation capacity of the structure, and the dynamic characteristics of the soil should be included in determining the foundation design criteria. In PT X, SILO structure serves as a place for livestock feed production, with the hope that it can last for a relatively long time. The condition of the existing SILO structure is currently some cracks in several parts of the piles and the bottom slab. The results of the visual inspection in the field regarding the condition and level of cracking in the silo foundation were compiled into a matrix inspection table using four categories: category 1 indicates no repairs needed, category 2 marked in green, represents an acceptable cracking condition with minor repairs, category 3 marked in yellow indicates moderate cracking that requires attention, and category 4 marked in red signifies major cracking or unacceptable conditions that require structural repairs. The results of the field inspection indicate that approximately 57% of the concrete slab foundation of the silo requires needs attention or repair. The condition of the plate/slab structure has some cracks measuring 0.3mm - 0.5mm, but injection and patching have been carried out. As for the condition of the silo foundation, about 30% requires needs attention and repair as well.
Comparison of Gumbel Method and Log Pearson Method in Flood Control in Konto River Jombang Pradigta, Mochammad Danara Indra; Susanto, Sony; Pratikto, Herlan
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.645

Abstract

This study aims to analyze the potential for flooding in the Konto River, Gudo District, Jombang Regency, this study uses the Gumbel and Log Pearson III statistical methods. Floods in this area often occur due to rainwater flow from the surrounding mountains which causes damage to infrastructure and settlements. Maximum daily rainfall data from 2013 to 2023 are used in this analysis. The Gumbel method is a statistical technique that is often used to analyze extreme rainfall data. The Gumbel and Log Pearson III methods are applied to estimate the design rainfall based on the flood return period, which is useful in infrastructure planning and flood mitigation. The calculation results show that the design rainfall increases with the increase in the return period. Compared to the Log Pearson III method, the Gumbel method provides higher design rainfall results, making it more suitable for estimating extreme rainfall in this area. These results are important in efforts to manage water resources and control flooding in the Konto River. The design rainfall will increase with the longer return period. This means that the higher the design rainfall, the smaller the possibility of it happening again. The results of the calculations show that the three methods can be used to calculate the planned rainfall, because the differences between one method and another are not much different, but the most suitable method to use is the gumbell method because the planned rainfall value is greater.
Analysis of Project Time and Cost using the Crash Program Approach Dewanto, Wido Prasetya; Yustisia, Henny
CIVED Vol. 11 No. 3 (2024): September 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i3.648

Abstract

Project acceleration is a solution to speed up project completion. Project acceleration has various alternatives, including adding overtime hours and adding labor. This research aims to assess the changes in project time and costs following acceleration efforts through options such as increasing working hours (overtime) and adding labor. The project acceleration method used is the crash program method, supported by the Microsoft Project application. The research results show that for the option of adding overtime hours, with 1 hour of overtime, the cost was Rp 27,011,372,606.28 and the duration was 204.13 days; for 2 hours of overtime, the cost increased to Rp 27,156,499,375.32 with a duration of 199.01 days; with 3 hours of overtime, the cost was Rp 27,307,828,821.71 and the duration shortened to 194.62 days; and with 4 hours of overtime, the cost was Rp 27,465,750,984.13 with a duration of 190.92 days. For the alternative of adding labor, under a scenario equivalent to 1 hour of overtime, the cost was Rp 26,846,481,892.32 and the duration was 204.13 days; with 2 hours of overtime, the cost was Rp 26,797,919,204.37 with a duration of 199.01 days; with 3 hours of overtime, the cost decreased to Rp 26,746,499,142.20 and the duration was 194.62 days; and for 4 hours of overtime, the cost was Rp 26,703,236,580.04 with a duration of 190.92 days. Thus, adding labor is identified as an effective alternative due to its economical cost, even though it results in the same project acceleration duration.

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