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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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Development of Product Quality Control Instruments Student Learning Results in Practice Courses Wood Work at Universitas Negeri Padang Yunesvi, Putri Amarta; Prima, Fani Keprila
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.v11i2.577

Abstract

The product of student learning outcomes in wood working practice courses currently does not have an instrument to determine its quality control. This is based on the discovery of several defects in the products of student learning outcomes in the Wood Work Practice course at the Department of Civil Engineering, Universitas Negeri Padang. This study aims to develop a quality control instrument on student learning products in wood working practice courses and find out how much validity the quality control instrument for student learning products in wood working practice courses. The research was conducted at the Department of Civil Engineering, Universitas Negeri Padang. The type of research used is Research and Development (research and development) or abbreviated as R & D. This is a type of research used to produce certain products, and test the effectiveness of the product. The research stages include (1) Decide, (2) Design, (3) Development, (4) Evaluate. The data collection technique used a questionnaire filled out by expert lecturers of the Wood Work Practice course. The resulting data is processed using the Microsoft Excel application to determine the validity of the product. The result of this research is a guidebook for filling in wooden furniture Quality Control instruments with a validity percentage of 87% so that the product is declared valid and suitable for use.
Study Relationship of Under Bid Price, Contract Termination, and Risk of Regional Loss Azani, Nur; Suraji, Akhmad; Ophiyandri, Taufika
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.v11i2.578

Abstract

According to the Audit Reports of BPK Representative in West Sumatera Province with title “LHP on Compliance Audit of Regional Expenditures of West Sumatera Province for Fiscal Year of 2021”, and “LHP on Financial Statements Audit of West Sumatera Province for Fiscal Year of 2021” as well as the auction data from Electronic Procurement Portal (LPSE), it is known that there were 293 construction packages with tender procurement in West Sumatera Province during Fiscal Year of 2021. Of those 293 packages, there were 81 packages has caused public budget losses and potential budget losses with total amount of Rp1.935.987.094,02, lacks of revenue with total amount of Rp9.660.218.603,31, and there were 8 packages experienced contract termination. Of those 8 packages with contract termination, 5 packages were known to be under bid price or using bid price that was too low (less than 80% of the HPS Value). Termination of the contract has resulted in the work not being utilized for the community in a timely manner, the risk of quality degression of the abandoned work until the work is resumed, and the risk of public budget losses. This research was conducted by seeing and analyzing the bid price that is too low (under bid price) which has potential impact on contract termination and the risk of public budget losses as well as the relationship between bid price fixing issues and the causes of contract termination. This needs to be done so that the contract termination can be avoided and the results of construction works can be completed and utilized immediately. This study aims to find a causal relationship between under bid price issues and contract terminations and the risk of public budget losses through the causes that influence the occurrence of contract termination, starting from the determination of HPS and under bid price, the selection process, the preparation and the implementation of the works according to timeline. From this study, it can be concluded that under bid price has a lot of influences and is a trigger for contract termination which resulted in the risk of public budget losses. There needs to be a calculation of the real bid price by considering overhead expenses, potential increases in material and wage prices, other expenses, and unexpected expenses. In addition, the parties involved in the construction works should make a risk map in order to mitigate problems which occur during the contract implementation period. This research takes the study of water resources building construction projects. Thus, further research is still needed on the occurrence of contract termination in road and bridge construction projects.
Life Cycle Cost Analysis in Flat Buildings (Case Study of Polresta Bukittinggi Flat Construction Project) Febrianti, Sri Suci; Giatman, Muhammad
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.v11i2.579

Abstract

The housing crisis in various cities in Indonesia has become an increasingly urgent issue. Rapid population growth and urbanization are major factors contributing to this crisis. One proposed solution is the development of high-rise building projects as a more practical and space-saving housing solution. However, in the context of high-rise construction, economic planning is crucial to ensure project sustainability. This research utilizes a quantitative method with secondary data collection. Life Cycle Cost (LCC) analysis is employed to control project costs from the initial stage to project completion, including construction, operational, maintenance, and demolition costs. The analysis results indicate that initial construction costs, operational costs, maintenance costs, and demolition costs all need to be considered in project planning. Maintenance and upkeep costs are crucial aspects in ensuring the building's sustainability throughout its economic life. By considering all these factors, the total life cycle cost of the construction of Rusun Polresta Bukittinggi during its operational period of 50 years amounts to Rp 32,064,519,750.22. The Annual Equivalent (AE) analysis shows an average annual cost of is Rp. 6,287,507,789.17.
The Influence of Raft Thickness on Settlement and Bending Moment of Pile Raft Foundation in Clay Soil Anggraini, Nita; Sarifah, Fitriana
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.v11i2.584

Abstract

Geotechnical engineers often deal with shallow foundation designs to support relatively simple building structures. However, as the demand for construction grows over time, there is a need for larger and more complex building structures. This is closely related to the weight of the building that will be supported by the foundation as a substructure. Therefore, the development of knowledge about other types of foundations to support the structural loads above them is highly necessary. Pile foundations are a fairly good solution for supporting larger structural loads that cause significant settlement. In designing pile foundations as a structure, there will certainly be raft to combine each pile foundation into a unified group. Raft are often designed only for combining each pile, but in reality, It also provides additional influence on the foundation system besides just serving as pile heads and load distributors to the foundation system. The study will investigate the influence of raft thickness on settlement that occurs in piled raft foundations. The raft thickness varies, namely 0.25m; 0.40m; 0.80m; 1.50m; and 3.00m. The piled raft foundation will be modeled and analyzed using finite element program. This study shows that the raft thickness affects the differential settlement that occurs in the piled raft foundation system. The results indicate that the differential settlement can be addressed by designing the raft thickness.
Evaluation of The Feasibility of Wood Working Construction Workshop Rozi, Muhammad Fahrul; Haq, Syaiful
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.v11i2.585

Abstract

This study aims to determine the feasibility level of the Wood Work Construction Workshop of the Civil Engineering Department of FT UNP based on the standards of Permendiknas number 40 of 2008, SNI 03-6575-2001, and ISO 9001: 2008. This research approach uses descriptive qualitative research methods and uses a policy evaluation model. The object of this research is the wood working construction workshop. Data collection techniques were carried out by means of observation, interviews, direct measurement and documentation. The research instrument used a checklist that was used during direct measurement. The technique of obtaining data uses a roller meter, lux meter, sound level meter, thermometer and anemometer. The results of this study are the workshop area according to the standard, the area of hand wood working area according to the standard, the area of wood machinery according to the standard, the area of storage and technician areas according to the standard, the lighting level of the wood workshop in the morning according to the standard, at noon according to the standard, and in the afternoon not according to the standard, workshop natural ventilation air circulation for air temperature in the morning is up to standard, in the afternoon and evening is not up to standard, air humidity in the morning and afternoon is up to standard, in the afternoon is not up to standard, air velocity in the morning and afternoon is not up to standard, in the afternoon is up to standard, sound and noise are up to standard, room temperature in the morning is up to standard, The number of students is according to the standard, the number of technicians is not according to the standard, the implementation of workshop practice is according to the standard, the color of the room is according to the standard, the wood workshop practice equipment for hand tools is according to the standard, the working station tool of the type of tool consists of 4 types not according to the standard and 8 types are according to the standard, Workshop facilities for furniture are according to the standard, educational media are according to the standard, fire protection equipment is not according to the standard, first aid kits are according to the standard, personal protective equipment is not according to the standard, workshop support equipment for electrical contact boxes are according to the standard, trash cans are not according to the standard, information data boards are according to the standard, vacuum is not according to the standard.
Subgrade Feasibility Analysis for Tourist Access Roads in Senggani Gorge, Tulungagung Using Laboratory CBR Testing Cahyono, Andri Dwi; Mahardana, Zendy Bima; Dewanta, Rendy Kurnia; Hidiyati, Evita Fitrianis; Rivianto, Arif
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.v11i2.587

Abstract

Highways have an important role in the economic and tourism sectors, providing easy accessibility and accelerating regional growth. Senggani Gorge, a tourist attraction in Nglurup Hamlet, Sentang District, Tulungagung Regency, is the main attraction with the charm of waterfalls and natural coffee plantations in the highlands. However, accessibility constraints arise because the path to the tourist attraction is still slippery and bumpy clay. Clay soil conditions pose access difficulties, so more research is needed to understand the potential use of clay soil as a base layer of road pavement. This study focused on a research system that involved soil sampling on the access road to Senggani Gorge. Experimental methods were used to evaluate the effect of using clay subgrades on such tourist road access. The laboratory CBR test was conducted to test the strength of clay subgrade in road pavement construction, with the main aim to determine the impact of its use on tourist access to Senggani Gorge in Tulungagung. The results showed the percentage of CBR in collision variations 10, 25, and 56, as well as a comparison with research in Nglurup Hamlet which reached a CBR value of 27%. These findings are expected to provide a dimension of comparison and generalization of results, broadening understanding of the use of clay soils as road construction materials in various locations.
Utilization of Palm Shell Ash as a Filler in Making AC-WC Type Porous Asphalt Anggreana, Vella; Alwiyah, Sy. Sarah; Sari, Junita
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.v11i2.588

Abstract

The background to the research that will be carried out is that the large amount of standing water on the road pavement in each rainy season results in disturbances to motorists' comfort. This is due to impermeable road pavement and poor drainage along the road. Porous asphalt can increase rainwater absorption, thereby reducing puddles on the road surface. Porous asphalt is a new breakthrough in the world of road pavement to reduce the appearance of puddles of water when it rains. Porous asphalt is also designed to have high porosity so that water can flow through side channels and a waterproof base layer to prevent water from seeping into the subbase layer and road body so as to minimize puddles of water on the road surface which often occur after rain and disrupt the smooth flow of traffic. cross. Advances in road pavement technology have encouraged researchers to conduct research using palm shell ash (fly ash) as a filler in porous asphalt mixtures. The use of palm shell ash is expected to increase the stability value and have large cavities so that water can pass through the road surface, as well as to reduce palm oil waste in Indonesia. The objectives of this research are 1. To find out the optimum asphalt content value in porous asphalt mixtures, 2. To know the results of using palm shell ash at 0%, 1% and 2% as a filler for porous asphalt mixtures in flexible road pavement. The research method is Marshall and Permeability Testing. The tests that will be carried out on a laboratory scale use an AC-WC hot mix asphalt system with guidance, namely the basics of asphalt concrete road construction. The research results showed that by adding palm shell ash as a filler in making AC-WC type porous asphalt, it showed that the stability value was higher, while the permeability value was lower, meaning that the addition of palm shell ash to the porous asphalt mixture did not have a significant effect because it was smaller. air voids in the mixture. The addition of palm shell ash to the porous asphalt mixture increases the stability value which can increase the ability of road construction to accept loads, but the pavement layer is not permeable and water flows over the surface more slowly.
Analysis of Soil Bearing Capacity in Kauman, Tulungagung as a Subgrade For Flexible Pavement Fathurrohman, Nadi Rheiza; Cahyono, Andri Dwi; Sefiyanti, Redyka; Pasya, Salman Alfaridh; Oktabernandus, Satria Perdana; Qalby, Atsfiela Dzulkhan; Ichwan, Zainal
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.v11i2.591

Abstract

This research aims to evaluate the bearing capacity of the soil in Kates Village, Kauman District, Tulungagung Regency, as a subgrade in flexible pavement through California Bearing Ratio (CBR) testing in the Civil Engineering Laboratory of Kadiri University. The tests were conducted with 56, 25, and 10 blows to determine their impact on the soil's density, strength, and stability. The results showed that soil with 56 blows had the highest CBR value of 28.660% at a 5.08 mm penetration, indicating excellent bearing capacity. The soil with 25 blows showed a CBR value of 17.060%, which is quite high, ensuring adequate stability and bearing capacity. Conversely, the soil with 10 blows had the lowest CBR value of 4.094%, indicating the need for additional compaction before being used in road construction. This research confirms that the number of blows has a significant impact on soil quality, with more intensive compaction improving the soil's density and stability. The final design CBR value obtained was 16%, leading to the conclusion that the soil in this area can be used as a subgrade for flexible pavement.
Analysis of Reinforced Concrete Pipe Strain Due to Jacking Force Case Study: Sudetan Ciliwung River Project to the East Flood Canal Ayun, Zaimah Qurrata; Awaludin, Ali; Siswokarto, Suprapto; Ismanti, Sito
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.v11i2.594

Abstract

Pipe Jacking is an innovation in trenchless technology that has been utilized in various sectors including municipal wastewater systems, oil and gas transportation, and hydraulic engineering. One of the critical aspects to ensure the success and safety of the pipe jacking process is strain monitoring. This study discussed the strain characteristics of reinforced concrete pipe structures during pipe jacking. The analysis was conducted using a numerical approach, which compared to field monitoring. Field strain monitoring was performed by strategically placing strain gauges along the pipe during the jacking operation, resulting in real-time data on deformation and pressure values. When the strain was monitored, the numerical test was conducted simultaneously using finite element analysis of Rocscience 3D.  Those activities were done to consider the interaction between the reinforced concrete pipe and the surrounding soil. The strain analysis results indicated that the pipe responded during the pipe jacking process. The values of strain were various, depending on jacking force, condition of excavated soil layers, and distance between twin tunnels. The maximum stress occurred at the beginning of jacking process, when the pipe infiltrated into the soil with stress value of 512 kPa.
Building Roof Covering Materials for Residential and Commercial: Comparison and Best Choices Artha, Hufa Weno; Syah, Nurhasan; Putri, Prima Yane
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.v11i2.596

Abstract

Choosing the right roofing material is an important aspect of building design and construction. Both residential and commercial buildings have roof-related needs. But basically, the selection of roofing materials is not only for protection from but also based on energy efficiency, aesthetics, and longevity of the building. In addition, the design of roof shape selection must be done carefully because the wrong selection can cause rainwater seepage or leakage on the roof and high repair costs. This research aims to explore by comparing the characteristics of roof covering materials and provide the best choice based on needs. The research method used is a qualitative research method with the stages carried out, namely data collection techniques, sample determination, data analysis and research conclusions. Based on the analysis, it is concluded that for residential houses, tile roofs and concrete deck roofs are the best choice because they offer an optimal combination of aesthetics, durability, energy efficiency, and cost that is suitable for the Indonesian climate. While for commercial buildings, metal tile roof is an excellent choice due to its durability, energy efficiency, and modern aesthetics that suit the needs of commercial buildings.

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