Seismic Testing of Reinforced Earth Walls

by Gregory N. Richardson, (A.M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., North Carolina State Univ., Raleigh, N.C.; formerly, Post-Grad. Research Engr., School of Engrg. and Applied Sci., Univ. of California at Los Angeles, Los Angeles, Calif.,
Kenneth L. Lee, (M.ASCE), Prof.; School of Engrg. and Applied Sci., Univ. of California at Los Angeles, Los Angeles, Calif.,
Arthur C. Fong, (A.M.ASCE), Civ. Engr.; U.S. Army Corps of Engrs., Portland Dist., Portland, Oreg.; formerly, Research Asst., School of Engrg. and Applied Sci., Univ. of California at Los Angeles, Los Angeles, Calif.,
Daniel L. Feger, (A.M.ASCE), Civ. Engr.; C.F. Baum, Alhambra, Calif.; formerly, Research Asst., School of Engrg. and Applied Sci., Univ. of California at Los Angeles, Los Angeles, Calif.,


Serial Information: Journal of the Geotechnical Engineering Division, 1977, Vol. 103, Issue 1, Pg. 1-17


Document Type: Journal Paper

Abstract: This paper is a summary progress report of ongoing studies at UCLA toward developing a rational seismic design method for reinforced earth retaining walls. A 20-foot (6-m) high reinforced earth test wall was constructed and then subjected to low strain level forced vibration tests using mechanical vibrators and high strain level explosive tests. In addition, four existing reinforced earth walls were also subjected to forced vibration tests. Criteria are presented for determining the design modal frequencies of a reinforced earth wall needed for the design as a function of its effective height and level of seismic excitation. Data are also presented showing the static and dynamic tie force distribution.

Subject Headings: Seismic design | Soil stabilization | Seismic tests | Vibration | Strain | Walls | Retaining structures | Explosions

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