Seismic response of wrap-faced reinforced soil-retaining wall models using shaking table tests

This paper presents the results of shaking table tests on geotextile-reinforced wrap-faced soil-retaining walls. Construction of model retaining walls in a laminar box mounted on a shaking table, instrumentation, and results from the shaking table tests are discussed in detail. The base motion parameters, surcharge pressure and number of reinforcing layers are varied in different model tests. It is observed from these tests that the response of the wrap-faced soil-retaining walls is significantly affected by the base acceleration levels, frequency of shaking, quantity of reinforcement and magnitude of surcharge pressure on the crest. The effects of these different parameters on acceleration response at different elevations of the retaining wall, horizontal soil pressures and face deformations are also presented. The results obtained from this study are helpful in understanding the relative performance of reinforced soil-retaining walls under different test conditions used in the experiments.

[1]  Gregory N. Richardson,et al.  Seismic Testing of Reinforced Earth Walls , 1977 .

[2]  A. Britto,et al.  Laboratory Seismic Tests of Geotextile Wrap-Faced and Geotextile-Reinforced Segmental Retaining Walls , 1998 .

[3]  M. Sakaguchi,et al.  A Study of the Seismic Behavior Of Geosynthetic Reinforced Walls in Japan , 1996 .

[4]  O. Matsuo,et al.  SHAKING TABLE TESTS AND ANALYSES OF GEOSYNTHETIC-REINFORCED SOIL RETAINING WALLS , 1998 .

[5]  H Ochiai,et al.  Evaluation of seismic performance in mechanically stabilized earth structures , 2001 .

[6]  Dov Leshchinsky,et al.  Large-Scale Shaking Table Tests on Modular-Block Reinforced Soil Retaining Walls , 2005 .

[7]  Ching-Chuan Huang,et al.  Seismic displacement charts for the performance-based assessment of reinforced soil walls , 2005 .

[8]  Ching-Chuan Huang,et al.  Simplified approach for assessing seismic displacements of soil-retaining walls. Part I: Geosynthetic-reinforced modular block walls , 2006 .

[9]  S. Kramer.  Geotechnical Earthquake Engineering , 1996 .

[10]  I. Juran,et al.  Laboratory Model Study on Geosynthetic Reinforced Soil Retaining Walls , 1989 .

[11]  Richard J. Bathurst,et al.  Influence of reinforcement parameters on the seismic response of reduced-scale reinforced soil retaining walls , 2007 .

[12]  Ennio M. Palmeira,et al.  Comparisons of Predicted and Observed Failure Mechanisms in Model Reinforced Soil Walls , 1996 .

[13]  Taro Uchimura,et al.  Geosynthetic-Reinforced Soil Retaining Walls as Important Permanent Structures 1996 - 1997 Mercer Lecture , 1997 .

[14]  Victor Elias,et al.  Mechanically Stabilized Earth Walls and Reinforced Soil Slopes Design and Construction Guidelines , 1997 .

[15]  Deepankar Choudhury,et al.  Seismic stability of reinforced soil-wall by pseudo-dynamic method , 2006 .

[16]  Richard J. Bathurst,et al.  Facing contribution to seismic response of reduced-scale reinforced soil walls , 2005 .

[17]  G N Richardson,et al.  Seismic Design of Reinforced Earth Walls , 1975 .

[18]  Takeshi Sato,et al.  Shaking and Tilt Table Tests of Geosynthetic-Reinforced Soil and Conventional-Type Retaining Walls , 1998 .

[19]  R D Holtz,et al.  SEISMIC RESPONSE OF REINFORCED STEEP SOIL SLOPES: RESULTS OF A SHAKING TABLE STUDY , 2004 .

[20]  Ching-Chuan Huang,et al.  Seismic displacements of geosynthetic-reinforced soil modular block walls , 2003 .

[21]  Jorge G. Zornberg,et al.  Field monitoring evaluation of geotextile-reinforced soil-retaining walls , 2007 .

[22]  Richard J. Bathurst,et al.  Pseudo-Static Seismic Analysis Of Geosynthetic-Reinforced Segmental Retaining Walls , 1995 .

[23]  Robert M. Koerner,et al.  Designing with Geosynthetics , 1986 .