5 research outputs found
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Tsunami bore forces on a compliant residential building model
The forces exerted on light-frame wood buildings as a result of surge and waves are not fully understood. With a better understanding of these types of forces, it may eventually be possible to build coastal structures to better withstand the loads. In this paper, a recent two part experimental study that focused on determining the forces induced in a structurally compliant model of a typical Gulf Coast residential building is summarized. The one-sixth scale building was designed to approximately behave as the full scale building would under wave loading using rules of energy-based similitude. The compliant model was subjected to solitary wave loading in the Network for Earthquake Engineering Simulation (NEES) tsunami wave basin (TWB) at Oregon State University with wave heights ranging from 0.1 m to 0.6 m. Then, at Colorado State University, lateral force–deformation tests on a nominally identical model were performed in order to determine the force–deformation relationship for the building. The structural deformation produced by solitary waves in the wave basin was combined with the experimentally measured deformation in the structural laboratory to determine the force induced by the waves between 0.2m and 0.6 m. Finally, a simplified force equation constant similar to the existing design code formats was found to be 0.31
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Behavior of a One-Sixth Scale Wood-Framed Residential Structure under Wave Loading
The goal of this study was to develop an understanding of the nature of wave loading on a wood-framed scale residential building model for a variety of building configurations and test conditions. Testing was performed on a 1/6th scale two-story wood-framed residential structure. The structure was impacted with waves and tested in both flooded and nonflooded conditions. The measured forces were mainly uplift forces due to wave loading, and resulting overturning moments. The qualitative analysis of the data showed that differences in structural stiffness throughout the structure will cause a different load distribution in the structure, e.g., overhanging eaves above the garage can provide unanticipated loading conditions, water traveling beneath the structure generates predominantly uplift forces, and the effect of waves breaking on or near the structure greatly increases the loading. The ratio of force from the windows closed condition to the windows open condition is approximately 2.5:1