LARGE-SCALE WAVE BASIN EXPERIMENTS ON THE INFLUENCE OF LARGE OBSTACLES ON TSUNAMI INUNDATION FORCES
- Authors
- Bridges, Kerri; Cox, Daniel; Thomas, Seth; Shin, Sungwon; Rueben, Matt
- Issue Date
- May-2013
- Publisher
- WORLD SCIENTIFIC PUBL CO PTE LTD
- Citation
- Coastal Structures 2011, pp 1237 - 1248
- Pages
- 12
- Indexed
- SCI
- Journal Title
- Coastal Structures 2011
- Start Page
- 1237
- End Page
- 1248
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/30940
- DOI
- 10.1142/9789814412216_0107
- Abstract
- Tsunami runup and lateral force on an instrumented specimen fronted by macro-roughness elements representing were determined experimentally in a large-scale wave basin. Eight different setups of macro-roughness were examined by varying the number and spacing of elements and the distance between the elements and instrumented specimen. Variations in the grouping of macro-roughness elements produced were shown to affect the specimen response. A single macro-roughness element and a pair of macro-roughness elements (spaced one unit width apart in the alongshore) show opposite trends in the peak force as the distance between the macro-roughness elements and the specimen is decreased. Keeping the number of macro-roughness elements constant and increasing the alongshore spacing caused the force and runup on the specimen to exceed the baseline values in several groupings. Finally, keeping the number of macro-roughness constant but varying the spacing of the outer two elements gave an overall reduction in maximum force and a substantial reduction in force for one of the groupings. These results suggest that the relative spacing of neighboring buildings could have substantial influence on the tsunami inundation forces further inland.
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