Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 198 for “"Cost and Time"”.
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Modelling uncertainty of cost and time in infrastructure projects
… of infrastructure projects is characterised by cost overruns and time delays. Scholars view that the estimation approach and inappropriate tools and techniques used to forecast possible uncertainty in the construction processes are a primary cause of cost overruns and time delays on construction …
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Modeling cost and time uncertainty in rail line construction
… construction projects are often plagued by cost overruns and delays. Technical, economic-political, psychological, and legal causes explain the frequent underestimations. To counteract such underestimations, the author developed an innovative approach to capture cost and time uncertainty in …
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Evaluation of the Factors Causing Cost and Time Overrun in the Namibian Construction Industry
Cost and time are one of the two primary parameters that require due considerations throughout the project lifecycle and are the determining factors for project success. However, it is very common that many projects fail to achieve their goal of being completed within the planned budget and …
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Modelling cost and time performance of public building projects in a terror impacted area of Nigeria
Examine the impact of construction cost-and-time-influencing factors on the production performance of public building projects in north eastern Nigeria and whether a predictive model could be devised in assessing this impact. The global poor performances of construction project cost and time, …
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Multi-Objective Build Orientation and Topology Optimization for Cost and Time Minimization in Fiber Reinforced Additive Manufacturing
… geometry, via topology optimization (TO), and build orientation, via build orientation optimization (BOO), to maximize structural efficiency. Historically, FRAM research has focused primarily on structural objectives such as compliance minimization, often neglecting non-structural …
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Understanding the issues of project cost and time in sustainable construction from a general contractor's perspective: case study
… by providing ideas on green construction methods and materials. As sustainable building practices become more prominent in the construction industry, General Contractors must remain knowledgeable on current green building standards in order to stay competitive. Two of the most important aspects of …
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Development of miniaturized, cost- and time-effective high-throughput screening of antimicrobial treatments against foodborne pathogens on meat matrices
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-12-01
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The Use of Self-Recording as a Staff Management Technique
… behavior, there remains to be found an effective cost and time efficient procedure to modify staff behavior on a long term basis. Procedures. A multiple baseline design in which self-recording was introduced across eight staff members was utilized to evaluate the effects of recording on the rate …
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Advances in the Construction of Input-Output Tables
… tables can be completed at a fraction of the cost and time involved in the completion of a full survey table. Tables for different regions can be easily constructed, using consistent accounting schemes and data sources, thus facilitating comparative analysis of regional economies.
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An Approach to Incorporate Additive Manufacturing and Rapid Prototype Testing for Aircraft Conceptual Design to Improve MDO Effectiveness
… are two-fold. First, additive manufacturing (AM) and rapid prototype (RP) testing are evaluated for use in production of a wind tunnel (WT) models. Second, an approach was developed to incorporate stability and control (SandC) WT data into aircraft conceptual design multidisciplinary design …
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Experimental and Numerical Evaluation of Electrothermal-Swing Adsorption for Capture and Recovery or Destruction of Organic Vapors
… model for simulation of ESA was also developed and evaluated. The model consists of: (a) material balances for organic vapors in the adsorption vessel and (b) energy balances for the adsorbent, carrier gas, vapor, and fittings. The model predicts outlet vapor concentrations, temperature …
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Experience with the Meek micrografting technique in major burns
Background. Early excision of burn eschar and urgent skin cover is mandatory for survival in all major burns. The tremendous cost and time delay in cultured skin and the shortage of donor allograft can make early skin cover a life threatening problem for paediatric patients in this country. The …
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Development of the resource model for the Decision Aids for Tunneling (DAT)
… with which distributions of tunnel construction time and cost as well as required and produced resources can be estimated considering uncertainties in geologic conditions, construction processes and resources. The results of the DAT in turn can be used for various decision making processes. …
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Industry dynamics within semiconductor value chain : IDM, foundry and fabless
… intends to analyze the semiconductor value chain and identify critical factors, which impact the future industry structure. The main focus is in the dynamics among IDM (Integrated Design Manufacture), foundry and fabless companies. This analysis will utilize double helix [1] model with …
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Numerical simulation of the casting process
… has required the development of higher quality and lower cost products. Although conventional process development techniques have improved, the cost and time associated to process development needs to be reduced. A faster and more cost-effective development method is required. Numerical …
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Voxel-space shape grammars
… for its ability to significantly decrease the cost and time involved. One such area of Procedural Generation is Shape Grammars, a type of formal grammar that operates on geometric shapes instead of symbols. Conventional shape grammar implementations use mesh representations of shapes, but this …
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Exploring a Psycholinguistic Method of Assessing Attachment Orientation in Couple Therapy
… of information regarding how adults behave in and respond to relationships. Unfortunately, despite the AAI\'s usefulness in assessing attachment orientation, administering the AAI requires intensive training, cost, and time. Because of this, a limited number of researchers are able to use the …
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Validation of a Two-Dimensional Clinostat Design to Provide Functional Weightlessness to Custom Gas Exchange Vessels
<p>Understanding the impacts of microgravity on bacteria is vital for successful long duration space missions. In this environment, bacteria have been shown to become more virulent, more resistant to antibiotics and form more biofilms. To learn more about these phenomena, many experiments must be …
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3D PRINTING OF ELASTOMERS AND APPLICATIONS
The demand for the soft functional polymers is very high in our nowadays soft electronics applications. These applications are like flexible touch screens, electronic skins, and energy storage, just to name few. To manufacture these functional polymers by traditional ways to fit in these …
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Behavior of Laterally Loaded Shafts Constructed Behind the Face of a Mechanically Stabilized Earth Block Wall
… involves isolating the column from the MSE mass and anchoring the column into rock with a rock socket. A sizeable cost and time savings could be realized, while still maintaining reliability, if a method were available to evaluate the lateral load capacity of a column that is supported by the MSE …
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