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Articles 1 - 8 of 8
Full-Text Articles in Engineering
An Investigation Of Project Delivery Methods Relating To Repetitive Commercial Construction, Donald A. Patterson
An Investigation Of Project Delivery Methods Relating To Repetitive Commercial Construction, Donald A. Patterson
Theses and Dissertations
The Design/Bid/Build (DBB) delivery method has historically been the most popular and the most effective means of determining the least cost for building a project based upon a set of construction documents. In recent years, however, other project delivery methods, including but limited to Construction Manager/General Contractor (CM/GC) and Design/Build (DB), have slowly taken a share of the construction market away from the DBB delivery method. The choice of delivery method that will produce the best value for an owner in the measurements of efficiency in quality, cost, and timeliness depends upon the type of project and the business culture …
Creating Total Value Engineering Through Combining Design For Manufacturing And Design For Six Sigma Constructs, David Ryan Christensen
Creating Total Value Engineering Through Combining Design For Manufacturing And Design For Six Sigma Constructs, David Ryan Christensen
Theses and Dissertations
The modern manufacturing world has been driven to compete in a more international and interconnected system. This has led to increased focus upon frameworks and architectures to guarantee quality, high market acceptance, and reduce cost. Modern manufacturing design processes evolved largely from Henry Ford at Ford Motor Company, and Alfred Sloan at General Motors. Their structures embody two different focuses on quality and value engineering which have influenced many recent design frameworks. In the 1970s a heavy emphasis was placed upon Design for Manufacturing, which uses group technology, commonality of processes, and continual focus to reduce part count. Some companies …
Analysis Of Data Center Network Convergence Technologies, Robert-Lee Daniel Leblanc
Analysis Of Data Center Network Convergence Technologies, Robert-Lee Daniel Leblanc
Theses and Dissertations
The networks in traditional data centers have remained unchanged for decades and have grown large, complex and costly. Many data centers have a general purpose Ethernet network and one or more additional specialized networks for storage or high performance low latency applications. Network convergence promises to lower the cost and complexity of the data center network by virtualizing the different networks onto a single wire. There is little evidence, aside from vendors' claims, that validate network convergence actually achieves these goals. This work defines a framework for creating a series of unbiased tests to validate converged technologies and compare them …
The Effect Of Learning And Cost Optimization On Line Of Balance Scheduling, Kareem Essam Zahran
The Effect Of Learning And Cost Optimization On Line Of Balance Scheduling, Kareem Essam Zahran
Theses and Dissertations
The increase in populations throughout the past years introduced the need for improving and increasing countries’ infrastructure. Moreover, there has been an increasing demand for dwelling units ranging from small economic housing blocks to high-rise buildings and residential villa compounds. These projects are known by their repetitive nature, where a constant unit is repeated several times. Scheduling techniques that consider the learning effect as an influencing parameter in calculating productivity rates can improve the effectiveness of the scheduling process. This achieves more realistic forecasts resulting in optimum utilization of resources and better control during implementation phases. Linear scheduling techniques are …
Friction Bit Joining Of Dissimilar Combinations Of Advanced High-Strength Steel And Aluminum Alloys, Lile P. Squires
Friction Bit Joining Of Dissimilar Combinations Of Advanced High-Strength Steel And Aluminum Alloys, Lile P. Squires
Theses and Dissertations
Friction bit joining (FBJ) is a new method that enables lightweight metal to be joined to advanced high-strength steels. Weight reduction through the use of advanced high-strength materials is necessary in the automotive industry, as well as other markets, where weight savings are increasingly emphasized in pursuit of fuel efficiency. The purpose of this research is twofold: (1) to understand the influence that process parameters such as bit design, material type and machine commands have on the consistency and strength of friction bit joints in dissimilar metal alloys; and (2) to pioneer machine and bit configurations that would aid commercial, …
Current Bim Practices Of Commercial Mep Contractors, Bryan John Kent
Current Bim Practices Of Commercial Mep Contractors, Bryan John Kent
Theses and Dissertations
Building Information Modeling (BIM) use in the contracting industry has grown significantly in recent years. With this change in the construction industry, consensus has not been reached as to what BIM is, who is using it and what they are using it for. The purpose of this research was to determine current BIM practices of US-based commercial MEP contractors. Executive, middle management, and field personnel were interviewed to determine the current BIM practices in their companies. The majority of companies interviewed were using BIM and most were using it on a significant portion of their projects. The majority of MEP …
Termediator-Ii: Identification Of Interdisciplinary Term Ambiguity Through Hierarchical Cluster Analysis, Owen G. Riley
Termediator-Ii: Identification Of Interdisciplinary Term Ambiguity Through Hierarchical Cluster Analysis, Owen G. Riley
Theses and Dissertations
Technical disciplines are evolving rapidly leading to changes in their associated vocabularies. Confusion in interdisciplinary communication occurs due to this evolving terminology. Two causes of confusion are multiple definitions (overloaded terms) and synonymous terms. The formal names for these two problems are polysemy and synonymy. Termediator-I, a web application built on top of a collection of glossaries, uses definition count as a measure of term confusion. This tool was an attempt to identify confusing cross-disciplinary terms. As more glossaries were added to the collection, this measure became ineffective. This thesis provides a measure of term polysemy. Term polysemy is effectively …
Multi-Rotor--Aided Three-Dimensional 802.11 Wireless Heat Mapping, Scott James Pack
Multi-Rotor--Aided Three-Dimensional 802.11 Wireless Heat Mapping, Scott James Pack
Theses and Dissertations
Traditional wireless site surveys produce a heat-map of link strength or quality over a target area, usually on the ground plane. In recent years research has gone into using aerial drones in network attack and surveillance, making three dimensional awareness of wireless coverage areas of interest. A multi-rotor drone and data collection module were built and tested as part of this research. Site assessments were conducted both in open space and near structures. Collected data was interpolated across the target area, and visualized as points and contours. These visualizations were exported to a Keyhole Markup Language (KML) for visualization in …