Improved Performance of Connected Foundations for Resilient Energy Transmission Infrastructure in Soft Soils
AbstractThe connected foundation is an effective structural type of foundation that can improve the sustainability of electrical transmission towers in soft soils to serve as a resilient energy supply system. In this study, the performance of electrical transmission towers reinforced with connected beams was investigated using a series of field load tests. Model transmission tower structures were manufactured and adopted into the tests. Based on the load capacity mobilization and failure mechanism, a criterion to define the load carrying capacity for connected foundation was proposed. It was found that the performance of connected foundation varies with the mechanical property of connection beam. The load capacity and differential settlement increased and decreased, respectively, with increasing connection beam stiffness. Such effect of connection beam was more pronounced as the height of load application point or tower height (zh) increases. Based on the load test results, a design model was proposed that can be used to evaluate the sustainable performance and load carrying capacity of connected foundations. Field load tests with prototype transmission tower structure models were conducted to check and confirm the performance of connected foundation and the proposed design method. View Full-Text
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Kyung, D.; Kim, D.; Kim, G.; Kim, I.; Lee, J. Improved Performance of Connected Foundations for Resilient Energy Transmission Infrastructure in Soft Soils. Sustainability 2016, 8, 30.
Kyung D, Kim D, Kim G, Kim I, Lee J. Improved Performance of Connected Foundations for Resilient Energy Transmission Infrastructure in Soft Soils. Sustainability. 2016; 8(1):30.Chicago/Turabian Style
Kyung, Doohyun; Kim, Daehong; Kim, Garam; Kim, Incheol; Lee, Junhwan. 2016. "Improved Performance of Connected Foundations for Resilient Energy Transmission Infrastructure in Soft Soils." Sustainability 8, no. 1: 30.
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