Monitoring of in-service geosynthetic reinforced soil (GRS) bridge abutments in Louisiana : research project capsule.

.................................................................................................................................. iii ACKNOWLEDGEMENTS ............................................................................................................ v IMPLEMENTATION STATEMENT .......................................................................................... vii TABLE OF CONTENTS ............................................................................................................... ix LIST OF TABLES ....................................................................................................................... xiii LIST OF FIGURES ...................................................................................................................... xv INTRODUCTION .......................................................................................................................... 1 OBJECTIVES ................................................................................................................................. 4 SCOPE ............................................................................................................................................ 5 METHODOLOGY ......................................................................................................................... 7 Literature Review................................................................................................................ 7 Geosynthetic Reinforced Soil ................................................................................. 7 GRS Numerical Modeling ................................................................................................ 40 Design and Analysis of GRS Structures ........................................................................... 48 FHWA GRS-IBS Design Method ..................................................................................... 52 External Stability Analysis ................................................................................... 53 Internal Stability Analysis..................................................................................... 56 Maree Michel GRS-IBS Bridge ........................................................................................ 61 Instrumentation ..................................................................................................... 62 PERFORMANCE MONITORING .............................................................................................. 69 Settlement and Deformation Measurements ..................................................................... 69 Measurement of Stresses................................................................................................... 74 Measurement of Pore Water Pressure ............................................................................... 77 Strain Measurements along Geosynthetics ....................................................................... 78 Estimation of Failure Surface ........................................................................................... 78 Estimation of Force against the Wall Face ....................................................................... 80 FULL-SCALE STATIC LOAD TESTS ....................................................................................... 83 Test Setup.......................................................................................................................... 83 Results of Field Static Load Tests .................................................................................... 86 Settlement and Deformation Measurements ......................................................... 86 Measurement of Soil Stresses ............................................................................... 89 Estimation of Force against the Wall Face ........................................................... 93 Strain Measurements along Geosynthetics ........................................................... 95 FINITE ELEMENT ANALYSIS OF GRS-IBS AT MAREE MICHEL BRIDGE .................... 99 Introduction ....................................................................................................................... 99

[1]  Erin Phillips.  Investigation of Required Tensile Strength Predicted by Current Reinforced Soil Design Methodologies , 2014 .

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

[3]  G. D. Skinner,et al.  Design and behaviour of a geosynthetic reinforced retaining wall and bridge abutment on a yielding foundation , 2005 .

[4]  Radhey S. Sharma,et al.  Experimental and Analytical studies of reinforced crushed limestone , 2009 .

[5]  Huabei Liu,et al.  Long-term lateral displacement of geosynthetic-reinforced soil segmental retaining walls , 2012 .

[6]  Jennifer Nicks,et al.  Secondary Settlement of Geosynthetic-Reinforced Soil Piers: Preliminary Results , 2014 .

[7]  S. H. Mirmoradi,et al.  MODELING OF THE COMPACTION-INDUCED STRESSES IN NUMERICAL ANALYSES OF GRS WALLS , 2014 .

[8]  Djamel Benmeddour,et al.  Numerical study of geogrid -reinforced segmental earth retaining wall Etude numÈrique dun ouvrage de soutËnement ‡ parement cellulaire renforcÈ par gÈogrille , 2015 .

[9]  Jonathan T. H. Wu,et al.  GRS bridge abutments—an effective means to alleviate bridge approach settlement , 2002 .

[10]  Joseph Hartmann,et al.  Geosynthetic Reinforced Soil Integrated Bridge System, Interim Implementation Guide , 2012 .

[11]  Thang Pham,et al.  Load-Carrying Capacity and Required Reinforcement Strength of Closely Spaced Soil-Geosynthetic Composites , 2013 .

[12]  Thang Pham,et al.  Suppression of Soil Dilation—A Reinforcing Mechanism of Soil-Geosynthetic Composites , 2014 .

[13]  Yewei Zheng,et al.  Numerical Investigation of Geosynthetic-Reinforced Soil Bridge Abutments under Static Loading , 2016 .

[14]  S. K. Ho,et al.  Effect of wall geometry on the behaviour of reinforced soil walls , 1996 .

[15]  Analysis of geosynthetic reinforced soil structures with orthogonal anisotropy , 2006 .

[16]  David J. Elton,et al.  Mechanically Stabilized Earth Reinforcement Tensile Strength from Tests of Geotextile-Reinforced Soil , 2004 .

[17]  Naser Abu-Hejleh,et al.  PERFORMANCE OF GEOSYNTHETIC-REINFORCED WALLS SUPPORTING BRIDGE AND APPROACHING ROADWAY STRUCTURES , 2000 .

[18]  Jth Wu,et al.  REVISING THE AASHTO GUIDELINES FOR DESIGN AND CONSTRUCTION OF GRS WALLS , 2001 .

[19]  James K. Mitchell,et al.  Finite Element Modeling of Reinforced Soil Walls and Embankments , 1990 .

[20]  Yewei Zheng,et al.  Numerical Study of Deformation Behavior for a Geosynthetic-Reinforced Soil Bridge Abutment under Static Loading , 2015 .

[21]  Jie Huang,et al.  Refined numerical modeling of a laterally-loaded drilled shaft in an MSE wall , 2013 .

[22]  Jth Wu,et al.  PERFORMANCE TEST FOR GEOSYNTHETIC-REINFORCED SOIL INCLUDING EFFECTS OF PRELOADING , 2001 .

[23]  Munir D. Nazzal.  Laboratory Characterization and Numerical Modeling of Geogrid Reinforced Bases in Flexible Pavements , 2007 .

[24]  Khalid Mohamed,et al.  Applications and Performance of Geosynthetic-Reinforced Soil Abutments on Soft Subsurface Soil Conditions , 2011 .

[25]  Ben Arndt,et al.  Shored Mechanically Stabilized Earth (SMSE) Wall Systems Design Guidelines , 2006 .

[26]  Mario Riccio,et al.  Field monitoring and analyses of the response of a block-faced geogrid wall using fine-grained tropical soils , 2014 .

[27]  Huabei Liu.  Reinforcement Load and Compression of Reinforced Soil Mass under Surcharge Loading , 2015 .

[28]  Jonathan T. H. Wu,et al.  A SYNTHESIS OF CASE HISTORIES ON GRS BRIDGE-SUPPORTING STRUCTURES WITH FLEXIBLE FACING , 2004 .

[29]  Jennifer Nicks,et al.  Geosynthetic Reinforced Soil Performance Testing—Axial Load Deformation Relationships , 2013 .

[30]  Wei F. Lee,et al.  Internal Stability Analyses of Geosynthetic Reinforced Retaining Walls , 2014 .

[31]  S. K. Ho,et al.  Horizontal deformation in reinforced soil walls , 1998 .

[32]  Kimberly A. Warren,et al.  Preliminary Results for a GRS Integrated Bridge System Supporting a Large Single Span Bridge , 2010 .

[33]  S. H. Mirmoradi,et al.  Numerical Evaluation of the Behavior of GRS Walls with Segmental Block Facing under Working Stress Conditions , 2015 .

[34]  Thang Q. Pham,et al.  Investigating composite behavior of geosynthetic-reinforced soil (GRS) mass , 2009 .

[35]  Jonathan T. H. Wu.  Lateral Earth Pressure Against the Facing of Segmental GRS Walls , 2007 .

[36]  S. H. Mirmoradi,et al.  Evaluation of the effects of facing stiffness and toe resistance on the behavior of GRS walls , 2013 .

[37]  James K. Mitchell,et al.  Reinforced Soil Structures Volume I. Design and Construction Guidelines , 1990 .

[38]  Jonathan T. H. Wu,et al.  Effects of backfill on the performance of GRS retaining walls , 1999 .

[39]  N. Sobol,et al.  Preliminary results , 2020, Asymptotic Analysis of Random Walks: Light-Tailed Distributions.

[40]  Martin Ziegler,et al.  Progress in the understanding of geosynthetic/soil composite material behaviour in geosynthetic reinforced earth structures , 2008 .

[41]  Md. Saidur Rahman,et al.  Modelling of laterally loaded drilled shaft group in mechanically stabilised earth wall , 2014 .

[42]  Jonathan T. H. Wu,et al.  A Performance Test for Assessment of Long-Term Creep Behavior of Soil-Geosynthetic Composites , 1996 .

[43]  Huabei Liu,et al.  Reinforcement load and deformation mode of geosynthetic-reinforced soil walls subject to seismic loading during service life , 2011 .

[44]  Paul W. Mayne,et al.  Cone Penetration Testing , 2007 .

[45]  Fumio Tatsuoka,et al.  Simulating Performance of GRS-RW by Finite-Element Procedure , 1995 .

[46]  Djamel Benmeddour,et al.  A numerical investigation into the behavior of geosynthetic-reinforced soil segmental retaining walls , 2016 .

[47]  Richard J. Bathurst,et al.  Influence of choice of FLAC and PLAXIS interface models on reinforced soil–structure interactions , 2015 .

[48]  Jth Wu,et al.  INVESTIGATING PERFORMANCE OF GEOSYNTHETIC-REINFORCED SOIL WALLS. FINAL REPORT , 1993 .

[49]  Erol Guler,et al.  Numerical analysis of reinforced soil-retaining wall structures with cohesive and granular backfills , 2007 .

[50]  M. Bolton.  THE STRENGTH AND DILATANCY OF SANDS , 1986 .

[51]  D Leshchinsky,et al.  EFFECTS OF GEOSYNTHETIC REINFORCEMENT SPACING ON THE PERFORMANCE OF MECHANICALLY STABILIZED EARTH WALLS , 2002 .

[52]  Zen Yang,et al.  Strength and deformation characteristics of reinforced sand , 1972 .

[53]  Richard J. Bathurst,et al.  Reinforcement loads in geosynthetic walls and the case for a new working stress design method , 2005 .

[54]  Imad L. Al-Qadi,et al.  Construction and Instrumentation of Geosynthetically Stabilized Secondary Road Test Sections , 1996 .

[55]  François Schlosser,et al.  RECENT RESULTS IN FRENCH RESEARCH ON REINFORCED EARTH , 1974 .

[56]  R. B. J. Brinkgreve,et al.  Plaxis finite element code for soil and rock analyses , 2002 .

[57]  D. Leshchinsky,et al.  Numerical Investigation of the Effects of Geosynthetic Spacing on Failure Mechanisms in MSE Block Walls , 2001 .

[58]  Jorge G. Zornberg,et al.  Geosynthetic - Reinforced soil bridge abutments , 2001 .

[59]  Jie Han,et al.  Numerical analysis of a laterally loaded shaft constructed within an MSE wall , 2011 .

[60]  James H. Long,et al.  DIFFERENTIAL MOVEMENT AT THE EMBANKMENT/STRUCTURE INTERFACE - MITIGATION AND REHABILITATION. FINAL REPORT , 1995 .

[61]  Yewei Zheng,et al.  Numerical Simulations for Response of MSE Wall-Supported Bridge Abutments to Vertical Load , 2014 .

[62]  Ryan R Berg,et al.  Design of Mechanically Stabilized Earth Walls and Reinforced Soil Slopes – Volume I , 2009 .

[63]  Timothy D. Stark,et al.  Differential Movement at Embankment-Bridge Structure Interface in Illinois , 1998 .

[64]  Kianoosh Hatami,et al.  Development and verification of a numerical model for the analysis of geosynthetic-reinforced soil segmental walls under working stress conditions , 2005 .

[65]  Jonathan T. H. Wu,et al.  Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments With a Flexible Facing , 2006 .

[66]  Jonathan T. H. Wu,et al.  Simulating the Behavior of GRS Bridge Abutments , 2007 .

[67]  San-Shyan Lin,et al.  A nonlinear homogenized model applicable to reinforced soil analysis , 2000 .

[68]  Jonathan T. H. Wu,et al.  Mini Pier Experiments: Geosynthetic Reinforcement Spacing and Strength as Related to Performance , 2007 .

[69]  Musharraf Zaman,et al.  STATISTICAL MODELS FOR IDENTIFICATION OF PROBLEMATIC BRIDGE SITES AND ESTIMATION OF APPROACH SETTLEMENTS. PROGRESS REPORT (DRAFT) , 1993 .