Developing Conceptual Design of High Speed Railways using Value Engineering Method: Creating Optimum Project Benefits

2015 ◽  
Vol 6 (4) ◽  
pp. 670 ◽  
Author(s):  
Mohammed Ali Berawi ◽  
Abdur Rohim Boy Berawi ◽  
Isti Surjandari Prajitno ◽  
Nahry Nahry ◽  
Perdana Miraj ◽  
...  
Keyword(s):  
Conceptual Design ◽  
High Speed ◽  
Value Engineering ◽  
Engineering Method

Conceptual Design Investigations of a Very High Speed Transpacific Container Vessel

2001 ◽  
Author(s):  
Grant E Hearn ◽  
◽  
Ivo J S Veldhuis ◽  
Riaan van 't Veer ◽  
Robert Jan Steenbergen ◽  
...  
Keyword(s):  
Conceptual Design ◽  
High Speed ◽  
Very High

scholarly journals Meningkatkan kinerja usaha kecil menengah dengan pendekatan value engineering

2018 ◽  
Vol 1 (1) ◽  
pp. 35 ◽  
Author(s):  
M. Muslimin Ilham ◽  
Ferry Suzantho ◽  
Surahmad Surahmad ◽  
Fuad Achmadi
Keyword(s):  
Production Process ◽  
Labor Cost ◽  
Value Engineering ◽  
Engineering Method ◽  
Selling Price ◽  
Company Performance ◽  
Research Activities ◽  
Long Time ◽  
Technical Specifications ◽  
Welding Joints

Currently, the use of value engineering has been done in various business fields. Not only large companies, but SMEs in the region have also started to recognize the method of business management with value engineering. This research attempts to solve the problem of how SMEs can improve their performance based on Value Engineering approach. This research is a qualitative research. From the research activities, obtained the following conclusions. (1) Application of Value Engineering method on SMEs can complete better solution in order to improve company performance. (2) Based on the alternative combination of work methods created then, alternative application of value engineering selected. Because the application of value engineering has advantages such as: (a) Rapid production process, (b) Neat workmanship, (c) Selling price is higher. While the technical specifications owned by Value Engineering alternatives that will be run are as follows: (a) The process does not work long time to manufacture 1 unit of minimalist metal fence. For the size of 8m2 it only takes 2 days. (b) The quality and quality required have a perfect shape and are not defective. (c) The welding joints are not easily broken by impact / blow. (3) Cost reduction can be done on Value Engineering method, because the change of new method in production process of minimizing iron fence affecting the reduction of labor cost. The reduction of these costs will affect the increase in the higher performance of the product, so the value of the product to rise, then affect the selling price to be high.

Il costo dell'Alta Velocitŕ ferroviaria in Italia

2009 ◽  
pp. 203-251
Author(s):  
Claudio Virno
Keyword(s):  
Risk Assessment ◽  
Conceptual Design ◽  
Cost Estimation ◽  
High Speed ◽  
Cost Effective ◽  
Lessons Learned ◽  
High Speed Rail ◽  
Cost Overruns ◽  
Front End ◽  
Complex Projects

- Cost overruns are common in large and complex projects, especially in high speed rail ones. Budgeting for cost escalation is a major issue in the planning phase of these projects. This paper describes lessons learned on high speed rail in Italy and focuses on problems such as initial poor design, tactical budgeting, inadequate cost estimation and risk assessment, etc. The paper discusses possible means to avoid major flaws in the initial conceptual design of mega-projects. There is a growing understanding of the need to focus on the front-end phase in order to achieve more successful and cost-effective projects.

Innovative Multiple Matching Charts approach to support the conceptual design of hypersonic vehicles

2020 ◽  
Vol 234 (12) ◽  
pp. 1893-1912
Author(s):  
Davide Ferretto ◽  
Roberta Fusaro ◽  
Nicole Viola
Keyword(s):  
Conceptual Design ◽  
High Speed ◽  
Graphical Representation ◽  
Weight Ratio ◽  
Transportation Systems ◽  
Flight Vehicles ◽  
Performance Requirements ◽  
Reference Vehicle ◽  
Vehicle Configuration ◽  
Definition Of

Several well-established best practices and reliable tools have been developed along the years to support aircraft conceptual and preliminary design. In this context, one of the most widely used tool is the Matching Chart (MC), a graphical representation of the different performance requirements (curves representing the thrust-to-weight ratio (T/W) requirement as function of the wing loading (W/S)) for each mission phase. The exploitation of this tool allows the identification of a feasible design space as well as the definition of a reference vehicle configuration in terms of maximum thrust, maximum take-off weight, and wing surface since the very beginning of the design process. Although the tool was originally developed for conventional aircraft, several extensions and updates of the mathematical models have been proposed over the years to widen its application to innovative configurations. Following this trend, this paper presents a further evolution of the MC model to support the conceptual design of high-speed transportation systems, encompassing supersonic and hypersonic flight vehicles. At this purpose, this paper reports and discusses the updates of the methodology laying behind the generation of the MC for high-speed transportation. Eventually, the results of the validation of the updated methodology and tool are reported, using as case study, the STRATOFLY MR3 vehicle configuration, a Mach 8 antipodal civil transportation system, currently under development within the H2020 STRATOFLY project.

Conceptual Design and Model Tests for a Mid-Water Floating Hyperloop Tunnel

2020 ◽  
Author(s):  
L. J. Kemp ◽  
W. J. Otto ◽  
O. J. Waals
Keyword(s):  
Conceptual Design ◽  
High Speed ◽  
Optical Measurement ◽  
Model Tests ◽  
Scale Model ◽  
Mooring Line ◽  
Mooring System ◽  
Tunnel Length ◽  
Greenhouse Gasses ◽  
Global Emission

Abstract Aviation has a significant impact on the global emission of greenhouse gasses. On the Northern Atlantic route alone there are over 2,500 crossings daily. This illustrates the high demand for connecting people. It is expected that this demand will only increase in the future, which will increase the emissions due to aviation even further. An alternative way for connecting people can be the hyperloop, which obtains comparable speeds while using a fraction of the energy. For intercontinental connections a tunnel would be necessary. In this study, a conceptual design of a mid-water floating hyperloop tunnel is made and tested on model scale at MARIN. In the present paper the results are discussed of model tests on a mid-water floating tunnel in Atlantic storm conditions at various wave directions and tunnel depths. The conceptual design of the tunnel is based on (nearly) available technology. One kilometer tunnel segments with a diameter of 11 m are connected to construct a tunnel length of > 5,000 km. Model basin tests are performed on scale 1:110, where a scale model of 140 m length is tested. The tunnel is designed as a neutral buoyant tunnel to reduce complexity and costs for the mooring system. The motions, deformations and mooring line tensions for the tunnel segments are measured by force transducers, accelerometers and an optical measurement system. Due to flexibility of the slender tunnel segments in combination with a soft mooring system, the tunnel tends to following the incoming waves for certain tunnel depths and wave directions. Only small motions and deformations are allowed for a hyperloop capsule to travel on high speed. The conceptual tests show first results on tunnel depth, structural and geometrical design of an hyperloop tunnel and mooring system.

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