Research Article
Apr 1968
Screening of Surface Wave in Soils
Publication: Journal of the Soil Mechanics and Foundations Division
Volume 94, Issue 4
Abstract
Field model tests were performed to determine the effectiveness of trenches in shielding against vibrations transmitted through the ground. In tests designated as active isolation, annular trenches surrounding a vibrating footing were used to reduce the amplitude of vibrations transmitted away from the footing. In tests designated as passive isolation, straight trenches were used as barriers at a distance from a vibrating footing to shield a designated zone. Two indicators of screening effectiveness were studied: (1) The degree of reduction in vibration amplitude, and (2) the shape and extent of the screened zone. In all tests the shallowest trench which provided a prescribed degree of shielding was determined. Trenches were compared on the basis of dimensionless geometrical parameters formed by relating trench dimensions to the wave length of the Rayleigh wave. The relative effectiveness of open trenches and sheet-wall barriers of the same size was also studied.
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Published In
Journal of the Soil Mechanics and Foundations Division
Volume 94 • Issue 4 • April 1968
Pages: 951 - 979
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Apr 1968
Published online: Feb 12, 2021
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Authors
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Richard D. Woods, AM.ASCE
Asst. Prof. of Civ. Engrg., Univ. of Michigan, Ann Arbor, Mich.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.