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Study On Estimation of Cargo Hold Ship Construction Container 100 TEUS With Mathematical And 3D Modelling Method Autodesk Inventor
Get PDFEstimate the ship’s weight steel is very important before pre-design. This is useful to ensure that the ship's weight does not exceed the basic design requested by the owner. 3D modeling is made in order to shorten the work time and produce a more precise calculation of the weight of the ship compared using mathematical calculations. The study compares the ship weight by using a mathematical method and using the 3D modelling method using autodesk inventor software. The result of the estimation of the weight of the ship’s steel cargo hold construction using 3D modelling method for the block system. It was found that the calculation of the weight of steel using the autodesk inventor method has a fairly good difference with the mathematical method. Calculation with 3D modelling autodesk inventor has a total steel weight of 255,077 tons and 259,868 tons for the mathematical method. The difference in autodesk inventor result is 4,791 tons or 1,84% less than the ship’s weight steel mathematical method. The result of the ship’s steel weight being smaller due to several factor that are not included in 3D modelling and the completeness of drawing, because the more detailed the modeled drawing, will be smaller the difference in the ship’s weight steel produced. Total estimation cost of the modeled cargo holds grandblock with matematical methods Rp.2.235.543.621. while the total cost of using 3D modelling auotdesk inventor Rp.2.298.621.
Existing Design Analysis of Slope Reinforcement on Clayey Soil and Its modified Alternatives (Case Study : Awunio – Lapuko National Road, Southeast Sulawesi)
Get PDFThe slopes of the Awunio - Lapuko national road section are prone to landslides, which pose a threat to the road asset management. Hard soil layer with an NSPT value >60 is found at a depth of 4 metres. The slope has been reinforced with cantilever walls (CW) and caisson as well as retaining walls and bored pile. In this research, the problem that needs to be studied is the stability of the existing slope with and without reinforcement using the cracked soils approach to obtain the factor of safety (FS) for critical conditions with the Limit Equilibrium Method (LEM). The CW is calculated for overturning stability, shear stability, foundation bearing capacity and overall stability. In addition, bored pile should also be evaluated when considered as a lateral pile based on NAVFAC, bearing capacity within the group, max & min stress and deflection capacity. The result of LEM program analysis shows the slope failure mechanism due to the existence of slip plane between weak soil layer and strong soil layer. Furthermore, the stability of existing reinforcement such as CW only or CW combined with caisson is insufficient. While the stability of reinforcement CW combined with bored pile or alternative modification such as subdrain combined with geotextile meets the requirements
Determination of Optimum Mixture Between FABA and Local Fill Soil for Road Embankment. Case study: Road Preservation of Sp. Kereng - Bereng Bengkel – Pilang – Pulang Pisau, Central Kalimantan
Get PDFThe road connecting Simpang Kereng, Bereng Bengkel, Pilang, and Pulang Pisau is part of the road network between two big cities in Kalimantan Island, Palangkaraya and Banjarmasin. These two big cities have a lot of activities that generate very high traffic volumes. Therefore, BPJN Central Kalimantan plans to make road improvements by widening the road. For this work, it needs a lot of good fill soil material that is very difficult to find in the nearest site; consequently, the cost of this project becomes very expensive. This condition can be done by mixing the local fill (good quality) soil with fly ash and bottom ash (FABA) as waste of Pulang Pisau Power Plant (PLTU PP). Because of that it needs to determine the optimum mixture between FABA and the local fill soil. The local soil, fly ash, and bottom ash can be classified as A-3 or SP, A-2-5 or SM, and A-3 or SP, respectively. Three different percentages of local soil, bottom ash, and fly ash mixtures were prepared (50:50:0), (40:40:20), and (30:30:40). They were tested to see which mixture that met the criteria for road embankments according to the General Specifications of Bina Marga Revision 2, 2018. The test results show that by mixing the local soil with FABA, the soaked CBR value decreases with the increase of FABA. The soaked CBR values of the local soil and the mixing materials, 50:50:0 (without fly ash), 40:40:20, and 30:30:40 are 17,78%, 17.22%, 15,87%, and 14.46%, respectively. It means that all the mixing materials meet the criteria for road embankment materials. Therefore, selection of the optimum mixing materials is based on the lowest unit price for material installed in the field, that is 30:30:40 mixture (30% local soil, 30% bottom ash, and 40% fly ash).
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No full textJournal of Infrastructure & Facility Asset ManagementVolume 6, Issue 1, January 2024 (e) ISSN 2656-8896 (P) ISSN 2656-890
Analysis of Main Road Stability Due to The Effect of River Water Level Fluctuations and Rainfall (Case Study: Trengguli - Kudus Road Section)
Get PDFIn Indonesia, many roads are built next to rivers due to several factors in terms of geography, topography, and function of the river. One of them is on the Trengguli - Kudus road where the road is flanked by two rivers. These road sections often experience damage in the form of cracks, potholes, and differential settlement. The existence of a river on the side of the road needs to be considered the possibility of the influence of changes in the river water level on the stability of the road. Rainfall also has a significant role in the stability of the main road considering that the rain that occurs is very intense, moreover, the road is already in cracked condition. This research was carried out numerically using the Plaxis program, with variations in river water level and rainfall adjusted to field conditions. The research results show that a rapid drawdown causes a significant decrease in the safety factor (SF=1.172). Even though the influence of rainfall is relatively small, it still reduces the safety factor (SF=1.152). The duration of the rapid drawdown only has a difference of <1.35%. However, the slope conditions are still within safe limits
Design and Implementation of Centralized Loan Origination System with Agile Development Method
Get PDFCredit is a core business with the biggest income in the banking industry. Hundreds of customers come to the bank daily to get loan applications. Because there are a lot of customers, the loan application process can take a whole week, and some customers who can’t wait too long go and come to another bank that can provide a quick loan application process. This paper proposes an application called the Loan Origination System that can facilitate the loan application process. Loan Origination System is expected to handle the loan application process from start to finish, including credit verification, risk analysis, document management, and loan processing. Agile methodology is used in developing a Loan Origination System. Agile methodology is expected to be quick and simple and have more iterative development cycles. The proposed method has been tested using functional suitability results combined with Goal Question Metrics consisting of functional appropriateness, functional correctness, and functional suitability compliances. It gets results with 83.02%, 86.43%, and 85.96%, respectively, for functional appropriateness, functional correctness, and functional suitability compliances. The result shows that the Loan Origination System application meets the requirements and is functionally suitable. The result shows that agile methodology gives the application high flexibility and adaptability, so it is possible to make changes and adjustments in a short time. The application is suitable for helping users process and review the loan application. The application is also user-friendly and, time by time can replace the manual processing of loan applications
MANIPULATION OF PUBLIC SPACE DESIGN WITHIN CITIES: ARCHITECTURE AS A CRIME CONTROL THEORY IN RESPONSE TO CASES OF CHILD VIOLENCE
Get PDFData shows that, all recorded cases of violence in Indonesia, most of the victims were children. architecture needs to respond to this phenomenon by manipulating certain spatial designs, because these cases occur in architectural spaces. This issue should ideally be considered on a city scale, seeing that the highest mobility of children is movement within the city, perhaps going to school or to the playground within the same city. To create a safe environment for children from violence that lurk on a city scale, it is necessary to manipulate the design of spaces in the city where children usually carry out their activities, thus these spaces can be called child-friendly spaces. By using the theory of architecture as a crime control, which is a prevention and protection mechanism for victims and potential victims of urbanscale violence, the spatial and formal aspects that need special attention are visibility, dimensions and shape, and accessibility
Strategi Respon atas Digitalisasi Bisnis pada Perempuan Pelaku Usaha Mikro dan Kecil
Get PDFInstitutional theory highlights that organizational success relies not only on resource availability but also on acceptance within its environment. Institutional isomorphism refers to the tendency of organizations within the same industry to adopt similar structures and strategies due to shared environmental pressures. In the context of micro and small enterprises (MSEs), digitalization has become a pivotal factor influencing business processes. Female MSEs exhibit diverse responses to digitalization, driven by the COVID-19 pandemic and market demands to enter digital commerce. This study investigates the strategies female MSEs employ to adapt to digital technology. Using a qualitative approach, in-depth interviews were conducted in September 2022 with female MSEs in Depok. The findings reveal that normative and mimetic isomorphism are dominant strategies, while coercive isomorphism is absent. Challenges in adopting digitalization stem from both personal and external factors. Despite these obstacles, female MSEs recognize the significance of digitalization for business sustainability. To address adaptation issues, many rely on support from family and community networks, facilitating the integration of digital tools into their operations. This collaborative approach underscores the importance of social support in overcoming barriers to digital transformation within MSEs
ESTIMATION OF GROUNDWATER USING THE RESISTIVITY GEOELECTRIC METHOD OF WENNER SCHLUMBERGER CONFIGURATION IN PLALANGAN VILLAGE, KALISAT SUBDISTRICT, JEMBER
No full textWater is a source of basic needs that is needed by all living things including humans. Palalangan Village, Kalisat Subdistrict is one of the areas that often experiences drought during the dry season, resulting in a water crisis that will hamper the daily activities of the population. The purpose of this study is to determine the subsurface lithological structure based on rock resistivity values and groundwater potential using the resistivity geoelectric method in Palalangan Village, Kalisat District. The research was conducted experimentally in the field using the wenner-schlumberger configuration resistivity geoelectric method to obtain primary data in the form of field measurement data and collect relevant literature studies to obtain secondary data. The results showed that from the first pass to the fifth pass consisted of groundwater material, sandstone, claystone, passive silt soil, gravel, sand, and dry gravel. The potential for groundwater with a considerable amount is found in track 5 which is thought to contain groundwater material with a resistivity value of 6 05 Ωm - 25.7 Ωm at a depth of 1m to 13.8m. This can be seen from the density of the blue color produced through data interpretatio