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Articles 31 - 34 of 34
Full-Text Articles in Architecture
Project Impact: A Case Study Of Developing A Manufactured Construction Workforce Through Contextualized Training, Arefeh Mohammadi, Kevin R. Grosskopf
Project Impact: A Case Study Of Developing A Manufactured Construction Workforce Through Contextualized Training, Arefeh Mohammadi, Kevin R. Grosskopf
Durham School of Architectural Engineering and Construction: Faculty Publications
With a looming shortage of skilled craft workers forecast to exceed 2 million by 2017, prefabrication may become a necessity for many U.S. contractors attempting to remain competitive with a smaller, lower-skilled workforce. Building components manufactured in a controlled, offsite environment have proven to reduce time, cost and site logistics while improving productivity, quality, safety and sustainability. However, entry-level workers, including more than 765,000 recession displaced manufacturing workers, often lack the basic skills necessary to retrain for jobs in manufactured construction. As a result, a $ 6.3M U.S. Department of Labor grant was awarded to an institutional consortium to develop …
Prestressed Concrete Inverted Tee Beams With Cfrp For Building Structures, Herish A. Hussein, Zia Razzaq
Prestressed Concrete Inverted Tee Beams With Cfrp For Building Structures, Herish A. Hussein, Zia Razzaq
Civil & Environmental Engineering Faculty Publications
Presented herein is the outcome of a study of prestressed concrete inverted tee beams with carbon fiber reinforced polymer (CFRP) sheets for possible use in building structures. To determine an effective approach for the use of CFRP, nine different retrofitting schemes are investigated for a prestressed beam under quasi-static distributed load to increase flexural strength. The theoretical analysis is based on coupling moment-curvature relations with a central finitedifference formulation. Three different thicknesses of CFRP sheets are studied in both tension and compression and effective retrofitting schemes are identified.
Research On The Cooling Characteristics In Building Interior Zones Using Displacement Ventilation System, Zhaoyi Zhuang, Yongbin Li, Qiqi Zhu, Jian Song, Haipeng An, Haorong Li
Research On The Cooling Characteristics In Building Interior Zones Using Displacement Ventilation System, Zhaoyi Zhuang, Yongbin Li, Qiqi Zhu, Jian Song, Haipeng An, Haorong Li
Durham School of Architectural Engineering and Construction: Faculty Publications
The outdoor low temperature fresh air can be used as a free cold source to eliminate waste heat for the building interior zones during the transition season and winter. This paper takes a project in Hunan as an example, and the project building interior zones is 25m×7m×3.9m(L×W×H). Using Fluent software to simulate the temperature field and velocity field both the interior and exterior zones of the engineering offices. The simulation results show that using the displacement ventilation system to take the outdoor air into inner rooms not only cooling but also improving the air quality and adding comfort. According to …
Performance And Energy Efficiency Analysis Of Data Center Cooling Plant By Using Lake Water Source, Li Ling, Quan Zhang, Liping Zeng
Performance And Energy Efficiency Analysis Of Data Center Cooling Plant By Using Lake Water Source, Li Ling, Quan Zhang, Liping Zeng
Durham School of Architectural Engineering and Construction: Faculty Publications
A cooling plant by using lake water source was proposed to cool the space in data centers. It combines free cooling technology and variable capacity technology to remove heat and reduce energy consumption effectively. In this paper, firstly, the control strategies for this cooling plant were proposed. Then, a detailed annual energy consumption model with considering the effect of the dynamic heat dissipation characteristics of servers, lake water temperature, outdoor weather conditions, and cooling plant thermal performance, will be established to evaluate the performance and energy efficiency of this cooling plant under different load factors. The results show the mode …