Dynamic response of flexible retaining walls

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Making use of an extension of a recently proposed, relatively simple, approximate method of analysis, a critical evaluation is made of the response to horizontal ground shaking of flexible walls retaining a uniform, linear, viscoelastic stratum of constant thickness and semiinfinite extent in the horizontal direction. Both cantilever and top-supported walls are examined. Following a detailed description of the method and of its rate of convergence, comprehensive numerical solutions are presented that elucidate the action of the system and the effects of the various parameters involved. The parameters varied include the flexibility of the wall, the condition of top support, ... continued below

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56 p.

Creation Information

Younan, A.H.; Veletsos, A.S. & Bandyopadhyay, K. January 1, 1997.

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Description

Making use of an extension of a recently proposed, relatively simple, approximate method of analysis, a critical evaluation is made of the response to horizontal ground shaking of flexible walls retaining a uniform, linear, viscoelastic stratum of constant thickness and semiinfinite extent in the horizontal direction. Both cantilever and top-supported walls are examined. Following a detailed description of the method and of its rate of convergence, comprehensive numerical solutions are presented that elucidate the action of the system and the effects of the various parameters involved. The parameters varied include the flexibility of the wall, the condition of top support, and the characteristics of the ground motion. The effects of both harmonic base motions and an actual earthquake record are examined. Special attention is paid to the effects of long-period, effectively static excitations. A maximum dynamic response is then expressed as the product of the corresponding static response and an appropriate amplification or deamplification factor. The response quantities examined include the displacements of the wall relative to the moving base, the dynamic wall pressures, and the total wall force, base shear and base moment.

Physical Description

56 p.

Notes

OSTI as DE97003600

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  • Other Information: PBD: Jan 1997

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  • Other: DE97003600
  • Report No.: BNL--52519
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/444031 | External Link
  • Office of Scientific & Technical Information Report Number: 444031
  • Archival Resource Key: ark:/67531/metadc687595

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • June 14, 2016, 3:05 p.m.

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Younan, A.H.; Veletsos, A.S. & Bandyopadhyay, K. Dynamic response of flexible retaining walls, report, January 1, 1997; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc687595/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.