A peer-teaching method has been implemented in Construction Project Management Scheduling (CPMS) course that focuses on Project Management Software (PMS) learning. The two graduate students, who had recently graduated from our undergraduate programs and were enrolled in the CPMS course were required to learn and teach the PMS package, Primavera, (as their course project) to the remaining undergraduate students in the course. This learning method promotes topic retention, as the student is required to be the expert on the topic. The students were only required to teach this one topic, which consisted of one class period (~2hrs). The results were verified through in-course surveys, objectively comparing assignment grades from a professor taught PMS (Microsoft Project), and graduate student reflection summary. The results show that the graduate students not only enjoyed teaching the topic, but they feel that their comprehension had increased by the employed teaching method. Additionally, the results show that the undergraduates students' learning was not adversely affected by having their fellow students provide instruction on software usage. The survey also indicates that the undergraduate students preferred the peer-teaching method to standard professor lecture and demonstration. The paper concludes with recommendations for future work.
General aviation (GA) airports play an important role in the national transportation system by accommodating emergencies and providing for agricultural, recreational, and other operations. GA airports account for almost 90% of the airports in the Texas Airport System Plan. To protect their initial investment in asphalt and concrete pavements, GA airports are expected to perform routine pavement maintenance. For this case study of pavement maintenance practices at GA airports in Texas, GA airport managers were contacted and interviewed about treatments used at their facilities and about the process of having the work done. Respondents were asked to rank the effectiveness of specific maintenance treatments for asphalt and concrete pavements on a Likert-type scale, as well as marking type, retexturing methods, and rubber and contaminant removal methods. Information about the level at which pavement maintenance decisions were made, the process, and the additional data desired (specifically about pavements) was obtained through open-ended questions. The results show that crack sealing and slurry sealing are the two most commonly used maintenance treatments—in a reactive manner. The results also indicate that most GA airport managers rely on the Aviation Division of the Texas Department of Transportation or an engineering firm to manage the airfield pavement and do not take an active approach to implementing routine preventive maintenance. This reliance was the result of two factors: (a) level of knowledge, of both the airport managers and those approving funding, and (b) availability of funding. Opportunities for cooperation and education to address deficiencies exist within the current system.
In 1975 two companies were competing for the opportunity to design and build a major pipeline system to carry natural gas from the North Slope of Alaska and the Beaufort Delta to markets in Canada and the USA.
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