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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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Mechanical Properties of Expansive Soil Stabilized by Sand Rahayu.J, Tri Kurnia; Herius, Andi; Mulyanda, Dhevi; Anggraini, Nita; Nadiareta, Akifah; ashifah, Anisah Qanitah
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.477

Abstract

Expansive clay soils have swelling and shrinkage properties and somehow reduce the mechanical properties required for soils to be used in civil engineering works. One method to improve the soil is by mechanical stabilization, namely mixing expansive clay soil with sand material. The sand material used in this research varied by 7.5%, 15%, and 22.5% of the total dry weight of expansive clay. The results shows that changes in mechanical properties were observed from the compaction test and California Bearing Ratio (CBR) both for soaked or unsoaked test. Based on these variations, in the compaction test, the addition of sand variations increases the maximum dry unit weight value and generally reduces the optimum water content value. The same results were also seen in the soaked and unsoaked CBR tests. In the swelling potential test, the addition of sand material succeeded in reducing the swelling value in expansive clay soils.
Construction of Temporary Landfill Shield by Utilizing MICP Stabilized Water Treatment Plant Sludge Waste Natasya, Priskha Tri; Indriani, Andi Marini; Utomo, Gunaedy
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.478

Abstract

The addition of Bacillus Subtilis bacteria to the mud soil at IPAM (Integrated Wastewater Treatment Plant) Perumda Tirta Manuntung Km.8 in Balikpapan City aimed to enhance its suitability as a temporary cover layer in places like landfills. Initial mud testing revealed key characteristics: Chemical Characteristics: The mud's specific chemical composition was identified, providing a foundation for a deeper understanding of its properties. Physical Characteristics: The mud falls into the fine-grained soil category, with 63% of particles passing through a No. 200 sieve. Moisture content is high at 42.54%, primarily composed of silt (39.8%) and clay (25%). Mechanical Characteristics: Standard proctor tests yielded a maximum dry unit weight of 1.099 gr/cc and an optimum water content of 33.65%. Initial soil permeability met temporary landfill cover criteria, with a permeability value of 5.04×10-4 cm/s. Further research demonstrated that by introducing Bacillus Subtilis bacteria at varying concentrations and incubation periods, mud permeability could be altered. The highest permeability, 4.27×10-4 cm/s, was achieved with an 8% bacteria concentration and a 7-day incubation period, while the lowest permeability, 1.19×10-5 cm/s, resulted from an 8% bacteria concentration and a 28-day incubation period. These findings suggest that Bacillus Subtilis addition can modify mud permeability, making it more suitable as a temporary landfill cover. This presents a potential solution for more effective IPAM management.
The Potential Usage of Bitumen Cold Mix and Tire Chips as Stabilization Material on Clay Soil Strength Characteristics Mulyanda, Dhevi
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.479

Abstract

Clay is a soil with fine particle size less than 0.002 mm, low permeability, cohession, high swelling, and slow consolidation process. Due to that problem it needs some improvement to stabilize the condition of soil before the process of construction conducted. The purpose of this study is to determine the effect of adding shredded tire and cold mix bitumen as the value of shear strength changing are cohession, friction angle, and shear strength with triaxial unconsolidated undrained test. To see the effect of those mixture, this study uses 48 soil samples with 4 variation of shredded tired (0%, 1%, 1,5%, and 2%) and 4 variation of cold mix bitumen (0%, 1%, 2%, dan 3%). The result of this study showed that the adding of shredded tired and cold mix bitumen in soil compositition can increase parameters of soil. The optimum cohession is on variation 1% SB+2% B (T99B2SB1) with the value 0.61 kg/cm2. Meanwhile the optimum value of friction angle is on variation 1.5% SB+ 1% B (T98.5B1SB1.5) with the value 7.43o. The shear strength as the sum of cohession and friction angle tends to increase with the optimum value about 0.995 kg/cm2 in variation 2% bitumen and 1% shredded tire (T99B1SB1). From the study, the adding of shredded tired and cold mix bitumen improve the shear strength. The optimum value of shear strength is on variation 2% B+1% SB (T99B1SB1) with the value 0.995 kg/cm2. This study shows that stabilization material used in this research can be an alternative material for soil stabilization.
Analysis of Environmental Approval in Government Regulation No. 22 of 2021 on the Implementation of Environmental Protection and Management Ningsih, Dwi Elvia; Frinaldi, Aldri; Rembrandt, Rembrandt
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.483

Abstract

The environment is one of the sectors that has undergone a transformation since the Job Creation Law was passed. A number of clauses in Law No. 32/2009 were removed and amended by the Cipta Kerja Law. One of them is the elimination of Environmental Permits and replaced with environmental approvals that are integrated with business licensing. Government Regulation No. 22 of 2021 on the Implementation of Environmental Protection and Management is a derivative regulation of the Cipta Kerja Law. Many stakeholders are still unaware of the government regulation even though it has been in effect for two years. Therefore, the purpose of this article is to provide a brief explanation of how environmental approvals are issued. The method is normative legal research through a literature study of the mechanism for issuing environmental approvals listed in Government Regulation No. 22 of 2021. This research uses content analysis and flow charts as analysis techniques. The mechanism for issuing environmental approval has been regulated in detail in Government Regulation No. 22 of 2021 starting from self-screening by the person in charge of the business and/or activity, preparation of environmental documents, the process of examining and/or assessing environmental documents in the form of Environmental Impact Analysis (EIA) and Environmental Management Efforts and Environmental Monitoring Efforts (UKL-UPL) forms and Issuance of Environmental Approval.
Cost Estimation Analysis of Construction Projects on Simple Earthquake-Resistant Houses Rahman Arifin, Ari Syaiful; Jonrinaldi, Jonrinaldi
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.485

Abstract

Earthquakes are natural disasters that often hit Indonesia, causing various losses in human life, including damage to homes and places to live. Therefore, the importance of building earthquake-resistant houses cannot be ignored. The research aims to obtain a comparison of the estimated cost of a type 36 simple house construction project, by considering the comparison between conventional structures and structures that are strengthened to resist earthquakes. The data used involves working drawings, technical specifications, and work unit price analysis (AHSP) based on PUPR Ministerial Regulation No. 8 of 2023 and a list of unit prices for wages and materials for work in the Public Works and HSBGN sector for the 2022 fiscal year in the city of Padang. The cost estimation results show that for a simple house with a conventional structure, the construction cost is IDR 243,000,000, while for a simple house with earthquake-resistant reinforcement, the cost reaches IDR 251,800,000. This additional cost was caused by strengthening work on foundations, columns and beams, walls, and trusses. Even though there was an increase in costs of around 3.63%, this result can be a consideration for the community. It is important to realize that with relatively small additional costs, people can increase safety and comfort in building construction. The results of this research can be a strong basis for stakeholders in the construction and policy fields to consider safety and comfort as the main factors in developing housing infrastructure.
The Effect of Firing Position in a Furnace on Mechanical Properties of Bricks in Lubuk Alung District, Padang Pariaman Sandra, Nevy; Putri, Nilda Tri; Putri, Prima Yane; Yusmar, Fajri
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.486

Abstract

Brick is one of the materials used in building house walls. The demand for red bricks in construction and business growth in the property sector is increasing. Lubuk Alung District, precisely in Jorong, Kampung Ladang, is one of the West Sumatra areas producing conventional bricks. The process of firing brick in this sub-district is still carried out using a conventional furnace, using wood as an energy source. The quality of the red bricks produced is different due to the different positions of the bricks in the kiln. This research aims to determine whether the red bricks produced in Jorong Kampung Ladang, Lubuk Alung District, meet the quality classification of red bricks according to SNI 15-2094-2000. From the results, the bricks in the upper, middle, and lower firing positions meet the quality requirements for the physical properties of red bricks. However, red bricks in the upper, middle, and lower firing positions do not meet the SNI 15-2094-2000 quality standards regarding dimensions or sizes. Meanwhile, the results of mechanical properties testing for specific gravity and compressive strength showed that none of the test object samples met the standards required according to SNI 15-2094-2000.
Making Basic Learning Modules for Building Construction Class X Competency in Building Modeling and Information Design Skills Susilawati, Endang; Andreas, Laras Oktavia
CIVED Vol. 11 No. 1 (2024): March 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i1.490

Abstract

This research was motivated by the problems faced, namely not using modules in the Basic Building Construction Basic Course on Elements of Specifications and Characteristics of Building Materials Based on Green Materials and Construction Work, as well as the competence of Class X Building Information Modeling in Building Modeling and Information Design skills. The purpose of this research is to produce products in the form of valid and practical modules. The research method used is Research &; Development (R&D) and refers to the Decide, Design, Develop and Evaluate (DDD-E) development model. Based on the results of the study, the percentage of material validity test, media validity test, and practicality test was obtained at 76%, 80% and 89.38% respectively. The conclusion in this study is that the learning modules developed are valid and practical to be used in the learning process of the elements of Specifications and Characteristics of Building Materials Based on Green Materials and Construction Works, as well as Building Information Modeling class X Building Modeling and Information Design Competencies.
The Effect of Rice Husk Ash as Cement Substitution on the Compressive Strength of Self-Compacting Concrete Putri, Prima Yane; Kamil, Insannul; Rizandi, Alfin
CIVED Vol. 11 No. 2 (2024): June 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i2.493

Abstract

Self-Compacting Concrete (SCC) is an innovative solution in today's world of concrete technology. Unlike traditional concrete, it does not require a vibrator for compaction, which makes concrete work easier. One of the key features of SCC is its high workability, which is achieved through the use of chemical admixtures and mineral additives. Rice husk ash is one such additive that can be used as a pozzolanic material for concrete mixtures, which is important as rice husk waste can cause environmental problems. The objective of this study was to investigate the effect of rice husk ash on SCC concrete. The study involved using Rice Husk Ash (RHA) as a partial replacement for cement in SCC concrete at varying percentages (0%, 5%, 10%, and 15% of cement weight). The results of the slump flow test showed that the highest value of 775 mm was achieved at 15% RHA, meeting the specifications of SCC concrete. In terms of compressive strength, the results showed that the SCC mixture without rice husk ash (0% RHA) had the highest average compressive strength, which was 30.56 MPa at 14 days and 31.66 MPa at 28 days of concrete. On the other hand, the average compressive strength of SCC concrete with rice husk ash mixture was highest at 5% RHA, with 25.04 MPa at 14 days and 28.81 MPa at 28 days. Overall, the study found that the use of rice husk ash in SCC concrete had a significant effect on its compressive strength, with the highest compressive strength being achieved at 5% RHA.
Evaluation of Fire Protection System in Library Building Universitas Negeri Padang Giatman, Muhammad; Kamil, Insannul; Kurniawati, Anugrah
CIVED Vol. 11 No. 2 (2024): June 2024
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v11i2.494

Abstract

The fire of a building will have a major impact on the building owner, both in the form of material, moral and environmental losses. In residential areas, offices and other public facilities often cause casualties. Therefore, a building needs to take into account the risk of fire so that building users can carry out activities safely and comfortably. One of the causes of fires is the fire suppression system that has not received full attention, where there is often an inadequate building fire protection system. The UNP Library Building is one of the public facilities buildings that are always crowded with students. It is necessary to evaluate the availability of the fire protection system to ensure the safety and comfort of its users. This research is in the form of an evaluation of the availability and completeness of the available fire protection systems and their remedies against the threat of fire. The data was taken through direct observation and question and answer and the distribution of questionnaires with the library. From the results of the analysis of the fire protection system inspection of the UNP Library building, it is known that on the 1st floor the lowest rediness value is 18.9%, for the 2nd and 3rd floors is 44.1%, the 4th and 5th floors are 45.9% and 45.6 % fulfilled the requirements based on the Minister of Public Works Regulation No. 26/PRT/M/2008.
The Effect of The Implementation Construction Occupational Health and Safety on The Implementation Time Of The Muaro Mais – Lubuk Gobing Bridge Construction Project Using Smart PLS Yustisia, Henny; Putri, Nilda Tri; Abdi, Muhammad
CIVED Vol. 10 No. 3 (2023): September 2023
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/cived.v10i3.497

Abstract

The high number of work accidents in Indonesia shows that there are still many workers who ignore the issue of Health, Safety, and Environment (HSE) and its implementation procedures because they prefer to work based on experience. In the implementation of the Muaro Mais - LubukGobing Bridge Construction Project, it is necessary to apply HSE in the project environment because of environmental factors that are at risk of causing work accidents such as high rain intensity, the use of heavy equipment, and river flow that can change at any time so that it can be risky for the implementation time of the project. To reduce the rate of work accidents, it is necessary to have a safety system and work health system to create safety and workhealth systems for workers with It is hoped that the construction project can proceed on time. This study aims to determine the effect of the application of HSE on the Muaro Mais – LubukGobing Bridge Construction Project, West Pasaman Regency on the project implementation time by analyzing data using SmartPLS software version 3.2. This research was conducted by distributing questionnaires to workers on bridge construction projects. The results of this study show the Leadership and Administration Indicators of construction service providers (X1) on Punctuality (Y) with a p-value of 0.28 1 > 0.05, a t-statistic value of 1.079 < 1.96, and an original sample O = 0.272. Work Safety Inspection Indicator (X2) against the variable Punctuality (Y) with a p-value of 0.677 > 0.05, t-statistic 0.416 < 1.96, and original sample O = 0.143. Occupational Safety Management Indicator (X3) on Punctuality (Y) with p-value 0.269 > 0.0 5, t-statistic 1.105 < 1.96, and original sample O = 0.272. The R-Square result for the punctuality variable (Y) is 0.198, meaning that the effect of implementing occupational safety and health (X) on punctuality (Y) is 19.8%. The remaining 80.2% was influenced by other factors outside this study.

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