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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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Effect of Sorbitol and Chitosan Addition on Tensile Strength and Degradation Rate of Biodegradable Plastic from Rice Bran Starch Zahra, Hayatun Nufus; Jonuarti, Riri; Gusnedi, Gusnedi; Hidayat, Rahmat
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.v10i3.498

Abstract

The increasing use of plastic can cause enviromental pollution because plastic takes a very long time to decompose in the soil. Solutions that can be used to accelerate the process of plastic decomposition in the soil by replacing plastic making materials with natural polymer materials. Natural polymers are polymers produced from organic monomers, one of which is starch. Starch is one of the natural polymer materials used in the manufacture of biodegradable plastics, one of the natural materials containing starch is rice bran waste. From rice bran waste starch, bioderadable plastic can be made by adding chitosan and sorbitol by varying then succesively, namely 5:2:8, 5:3:7, 5:5:5, 5:7:3, 5:10:0, then making samples, then the samples are printed and tensile strength testing and degradation testing are carried out. From the tensile strength test results, the values obtained were 0.69 Mpa, 0.74 Mpa, 1.50 Mpa, 1.98 Mpa and 2.28 Mpa, respectively. The finel weight of the sampel after degradation is 0 gram, 0 gram, 0.0189 gram, 0.0226 gram, 0.1017 gram. It is concluded that biodegardable plastic with good tensile strength is in the variation of starch 5 grams, without sorbitol and chitosan 10 grams and for good degradation test in the variation of starch 5 grams, sorbitol 8 ml, chitosan 2 grams and variation of starch 5 grams, sorbitol 7 ml, chitosan 3 grams.
Effect of Polyvinyl Alcohol (PVA) Concentration and Stirring Time on The Mechanical Properties of Biodegradable Plastic from Kepok Banana Peel Starch Doni, Monica Anatasya; Jonuarti, Riri; Wulan, Ratna; Jhora, Fadhila Ulfa
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.v10i3.499

Abstract

One solution is to use bioplastics, which can replace synthetic plastics that are difficult to decompose. Starch is one of the materials used in the manufacture of bioplastics because it is naturally degradable. However, bioplastics made from starch tend to be brittle and easily damaged, so additional materials are needed to overcome this problem. Polyvinyl alcohol (PVA) is one of the materials used in the manufacture of bioplastics because it has properties that can be degraded naturally, is non-toxic, and is able to form good quality plastic films. This study aims to examine the effect of PVA concentration and stirring time on the mechanical properties of biodegradable plastic derived from kepok banana peels. This study used a completely randomized design with three variations of PVA concentration (3%, 4%, and 5%) and three variations of stirring time (25 minutes, 35 minutes, and 45 minutes). The results showed that at a PVA concentration of 5% with a stirring time of 45 minutes, bioplastics showed the best quality with a tensile strength value of 2.25 MPa, the best elongation at break was 416%, and the best elasticity was 0.541. In biodegradation, all samples were completely degraded within 7 days. It can be included that the addition of PVA concentration and the length of stirring effecth the mechanical properties of bioplastics but not on the biodegradation test.
Analysis of the Existing Conditions of Balikpapan Permai Market Towards Smart Living Market and SNI Through Revitalization Sari, Oryza Lhara; Rahmat, Rahmat; Pratama, Maryo Inri; Mustofa, Umar
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.v10i3.500

Abstract

Traditional markets are often associated with unhygienic conditions and limited facilities. This makes consumers uncomfortable shopping in traditional markets and results in traditional markets losing out to modern markets. Therefore, it is important for traditional markets to be empowered in order to maintain their sustainability and existence. Balikpapan Permai Market is one of the existing markets in Balikpapan and has various problems related to the quality and physical and non-physical conditions of the market. The purpose of this research is to find out the supporting factors of Balikpapan Permai Market revitalization by using smart living approach and SNI 8152:2021 Pasar Rakyat. Smart living will review in terms of harmony, health, mobility, security, and building, while SNI 8152:2021 Pasar Rakyat will review in terms of general requirements, technical requirements, and management requirements. The method used in this writing is a qualitative method by conducting several stages of research. The results of this research are supporting factors that make Balikpapan Permai Market needs revitalization by reviewing the existing conditions and opinions from the head of UPT market, traders, and market visitors.
Development of Learning Media Based on Video Tutorials on the Subjects of Software Applications and Building Interior Design at SMK Negeri 1 Sumatera Barat Juniarti, Silvia Andra; Yustisia, Henny
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.v11i1.501

Abstract

This research was motivated by the problem encountered, namely the lack of use of media in the learning process of Software Applications and Building Interior Design. This research uses the type of research and development (R&D). This development model refers to the development model (DDD-E) with 4 stages, namely Decide, Design, Development, Evaluate. The subjects of this research were media experts, material experts and class XII Competency Design Skills Modeling and Building Information, SMK Negeri 1 Sumatera Barat, 30 students. This research instrument is in the form of a validation sheet to obtain product validation data, and a student respondent questionnaire to obtain product practicality test results. The research results show that the validity of the material is in the very valid category with an achievement level of 88.4%. Media validity with an achievement level of 90.65% in the very valid category and practicality test with an achievement level of 89.53% in the very practical category. The conclusion of this research is that the learning media developed is valid and practical for use in the learning process Software Application and Building Interior Design class XII Competency Design Skills Modeling and Building Information, SMK Negeri 1 Sumatera Barat.
Analysis of Consumer Considerations Regarding Disaster Risk in Making Residential Choice Decisions in Padang City Arbi, Rustian; Ophiyandri, Taufika; Hidayat, Benny
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.v11i1.502

Abstract

Considering that the city of Padang is the capital city of West Sumatra province which apart from being the center of government, is also the center for economic activities, education, trade and other informal sectors, the need for housing for the community needs attention. Because proper housing is a basic need for humans to carry out life and daily activities. The geographical condition of the city of Padang is in the area along the earthquake path following the 6,500 km subduction zone to the west of Sumatra Island. Apart from earthquakes, there are many disasters that have the potential to occur in the city of Padang such as tsunamis, landslides, floods, flash floods, tornadoes, and others. These potential disasters must be considered by consumers in making decisions in choosing housing that is appropriate and has a small disaster risk. The purpose of this research is to identify the reasons for consumers in making decisions about choosing housing in the city of Padang and also to analyze consumer considerations regarding disaster risk in making decisions about choosing housing in the city of Padang. The study was conducted on 60 respondents with 33 indicators which were divided into six general variables, namely price, location, building architecture, ease of transportation, environmental facilities and infrastructure and psychology then two disaster risk variables, namely disaster-free locations and building structures. In this study, the most influential variables in consumer decision making in choosing housing in the city of Padang sequentially were disaster-free locations, building structures, building architecture, environmental facilities and infrastructure, psychology, price, location and ease of transportation. And also the six general variables regarding consumer considerations in making decisions on choosing housing in Padang City simultaneously or as a whole have an influence on the two disaster risk variables studied, namely disaster-free locations and building structures.
Comparative Study of Cost and Eco-Efficiency Factors of Aluminum and Conventional Formwork in The AYOMA Apartment Construction Project Apdeni, Risma; Hellyward, James; Syihab S.R., Dhia Luthfi
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.v11i1.508

Abstract

The AYOMA Apartment construction project used two types of formwork; both aluminum formwork and conventional formwork are applied on one floor. A comparison of the costs of the two types of formwork used has not been carried out in the project planning. This study aimed to obtain a comparison between aluminum formwork and conventional formwork in terms of cost and eco-efficiency factors. The comparison was made specifically on the formwork of the 3rd Floor of the West Tower, The AYOMA Apartment. The unit price analysis of formwork was based on the coefficient of each work item following the regulation on Unit Price Analysis of Public Works and unit price standards applicable in the project location area. The eco-efficiency factors were calculated from the waste produced by manpower. The calculation results showed that the cost of aluminum formwork for the 3rd Floor of West Tower of The AYOMA Apartment is IDR 2,708,328,757.73 or 2.25 times higher than the conventional formwork cost of IDR 1,204,987,034.60. However, when the reusability factor was considered, aluminum formwork is up to 14.83 times more efficient than conventional formwork. In the eco-efficiency factors analysis, the waste produced by manpower for the work of aluminum formwork is less, only 56.48% of the waste produced by manpower for the work of conventional formwork. The amount of waste produced from the main material and the quality of concrete produced by using aluminum formwork support the conclusion that aluminum formwork is more eco-efficient than conventional formwork.
Tsunami Vertical Evacuation Building Analysis (Shelter) Based on Number and Location: Case Study of Koto Tangah District- Padang City Ashar, Faisal; Hadiguna, Rika Ampuh; Faisal, Muhammad
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.v11i1.509

Abstract

Koto Tangah Sub-district is a sub-district where part of its area is located on the coast, making it prone to tsunami disasters. Despite the fact that the large number of exposures in the tsunami red zone predicted to happen in this District, there are only three tsunami shelters in the red zone of Koto Tangah District. The purpose of this study was to determine the distribution of official shelters in Koto Tangah District, the distribution of planned shelters, and the coverage of shelter service areas. The research method used is a quantitative descriptive method. In this study, what is discussed is the number and location of shelters, as well as the location of the planned tsunami shelters. Also, this present study sought to finding out the coverage area that can be served by the shelter with the help of GIS applications. The results of the data analysis are as follows: (1) There are nine villages (kel.) that are in the tsunami red zone of the Koto Tangah District and are not served by official shelters, namely: Kel. Padang Sarai, Kel. Batipuh Panjang, Kel. Lubuk Buaya, Kel. Pasia Nan Tigo, Kel. Batang Kabung Ganting, Kel. Koto Pulai, Kel. Koto Panjang Ikua Koto, Ex. Dadok Stumping Black, and parts of Ex. Parupuk Tabing. (2) The analyzed planned shelters and horizontal points examined that all of the Koto Tangah red zone areas can be served by shelters, and the planned shelters can be reached in the span of 34.5 minutes with a distance of 1554.57 m, meaning that people who are in the tsunami red zone can evacuate safely before the tsunami hits the city. (3) local government needs to add another 6 planned shelters in Kel. Padang Sarai, Kel. Lubuk Buaya, Kel. Pasie Nan Tigo, Kel. Batang Kabung Ganting, and Kel. Parupuk Tabing, with each shelter's planned height of 8.5 meters.
Analysis of House Conditions and Optimization of Aid Funds Based on Criteria for Unlivable Houses in Lubuklinggau Timur II District, Lubuklinggau City Yusmarizal, Yusmarizal; Hidayat, Benny; Yossyafra, Yossyafra
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.v11i1.510

Abstract

This research addresses the problem of public knowledge of uninhabitable houses and the difficulty in identifying houses that do not meet community housing standards, to provide criteria for uninhabitable houses as well as optimize the rehabilitation assistance budget carried out by the Government. This research uses a quantitative descriptive method by collecting data through questionnaires, field observations, and documentation on 69 sample houses. The results of the analysis categorize the level of damage to the house into three categories, namely heavy, moderate, and light damage. From the research results of 69 sample houses, it was found that only 59 houses met the requirements for the uninhabitable house rehabilitation assistance program. In optimizing the allocation of aid funds, the level of damage to the house must be taken into account. With a more objective approach, rehabilitation housing programs can be more effective and provide greater benefits to people in need.
Comparison of Composting Method using Black Slodier Fly Larvae and Takakura Method on Compost Quality and Quantity Aziz, Rizki; Ruslinda, Yenni; Pratiwi, Hesti Anggia; Rahmi, Jumita; 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.v11i1.511

Abstract

Organic waste needs to be processed so as not to pollute the environment. Processing of organic waste can be done through composting. This study aims to see the effect of composting method using BSF larvae and composting using takakura method on the quality and quantity of compost produced. The variety of waste types in this study consisted of variations A (65% vegetable waste + 35% fruit waste) and B (60% vegetable waste + 40% food waste). Bioconversion using BSF larvae aged 7 days with bidaily litter as much as 0.5 kg for 14 days. The results of the analysis of the quantity, maturity, and quality of variations A1, A2, B1 and B2 meet compost standards according to SNI 19-7030-2004. The most optimal variation of the study (A2 variation). This variation produces compost for (20 days), the quality of physical and macro elements has met the quality standards of domestic waste compost and the quantity of compost produced is more than 1.10 kg.
Identification of the Application Green Construction Concept using the Assessment Green Construction Model (MAGC) Rahmat, Rahmat; Zola, Prima; Rifwan, Fitra
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.v11i1.512

Abstract

Environmental damage is a topic of global discussion, so there is a need to reduce the impact of this environmental damage in various sectors, including the construction sector. In the construction industry, one of the efforts is the need to implement green construction. Green construction is one part of sustainable development that is expected to be able to participate in maintaining environmental sustainability and harmony in its implementation. Until now, the application of the green construction method in sumatra has been considered to be relatively immature. This research aims to identify the application of the green construction concept using the green construction assessment model. This research is quantitative research. The data are collected through questionnaires. The assessment instrument uses the green construction assessment model (MAGC) which is combined with the analytical hierarchy process process (AHP) method for calculating aspect weights and green construction factors. This research uses six aspects, 16 factors, and 55 green assessment indicators. construction that is obtained through the green construction assessment model. Based on the results of the analysis and data processing through the Ms.Excel software, we obtained an aspect weighting result of 0.134 and a factor weight of 0.209. This value is used as a calculation for the green construction assessment model, which is obtained by a green construction value (NGC) of i3.15 which does not yet meet the ideal NGC value of 10.10.

Page 17 of 30 | Total Record : 299

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