| Preface | p. xiii |
| Acknowledgements | p. xv |
| Introduction | p. 1 |
| Laboratory Testing Program | p. 1 |
| Common Laboratory Tests of Soil | p. 4 |
| Laboratory Equipment | p. 4 |
| Minimum requirements | p. 4 |
| Calibration | p. 5 |
| Manuals | p. 6 |
| Accreditation | p. 7 |
| Symbols and Units | p. 7 |
| Book Outline | p. 8 |
| Types of Soil Samples | p. 9 |
| Introduction | p. 9 |
| Subsurface Exploration | p. 9 |
| Borings, test pits, and trenches | p. 10 |
| Soil sampling | p. 15 |
| Three Types of Soil Samples | p. 16 |
| X-Ray Radiography of Soil Samples | p. 19 |
| Soil Structure | p. 22 |
| Transporting, Preserving, and Disposal of Soil Samples | p. 22 |
| Transportation of soil samples | p. 22 |
| Preserving soil samples | p. 23 |
| Disposal of soil samples | p. 24 |
| Problems | p. 24 |
| Index Tests | p. 25 |
| Introduction | p. 26 |
| Three Basic Parts of Soil | p. 26 |
| Water Content | p. 27 |
| Test procedure | p. 27 |
| Calculations | p. 27 |
| Common errors | p. 29 |
| Dissolved solids | p. 29 |
| Temperature effects | p. 29 |
| Unit Weight | p. 30 |
| Test procedure | p. 31 |
| Calculations | p. 31 |
| Common errors | p. 32 |
| Dry unit weight | p. 32 |
| Buoyant unit weight | p. 33 |
| Specific Gravity | p. 33 |
| Test procedure | p. 35 |
| Calculations | p. 36 |
| Common errors | p. 37 |
| Soluble solids | p. 39 |
| Phase Relationships | p. 40 |
| Volume of voids | p. 40 |
| Void ratio and porosity | p. 40 |
| Degree of saturation | p. 41 |
| Useful relationships | p. 41 |
| Relative Density | p. 42 |
| Problems | p. 43 |
| Particle Size Distribution and Atterberg Limits | p. 47 |
| Introduction | p. 48 |
| Particle Size Definitions | p. 48 |
| Sieve Analysis | p. 48 |
| Test procedure | p. 49 |
| Calculations | p. 51 |
| Common errors | p. 52 |
| Hydrometer Analysis | p. 54 |
| Test procedure | p. 55 |
| Calculations | p. 57 |
| Common errors | p. 60 |
| Particle Size Distribution | p. 61 |
| Atterberg Limits | p. 63 |
| Test procedure | p. 63 |
| Calculations | p. 68 |
| Common errors | p. 69 |
| Plasticity index and liquidity index | p. 69 |
| Clay mineralogy and activity | p. 69 |
| Problems | p. 72 |
| Soil Classification | p. 79 |
| Introduction | p. 79 |
| Unified Soil Classification System | p. 79 |
| Coarse-grained and fine-grained soils | p. 80 |
| Group symbols | p. 80 |
| Other descriptive terminology | p. 83 |
| Inorganic Soil Classification System Based on Plasticity | p. 84 |
| AASHTO Soil Classification System | p. 85 |
| USDA Textural Soil Classification System | p. 87 |
| Other Soil Classification Systems | p. 87 |
| Example of Different Soil Classification Systems | p. 87 |
| Organic Soil Classification | p. 91 |
| Unusual Soil | p. 91 |
| Problems | p. 95 |
| Soil Settlement Analysis | p. 105 |
| Introduction | p. 106 |
| Oedometer Apparatus | p. 106 |
| Collapsible Soil | p. 110 |
| Introduction | p. 110 |
| Test procedure | p. 111 |
| Calculations | p. 113 |
| Example of test data | p. 114 |
| Common errors | p. 117 |
| Collapse potential | p. 117 |
| Consolidation Test | p. 118 |
| Introduction | p. 118 |
| Test procedure | p. 119 |
| Settlement calculations | p. 121 |
| Rate of consolidation | p. 129 |
| Secondary compression | p. 135 |
| Common errors | p. 136 |
| Oedometer Apparatus for Other Soils | p. 136 |
| Problems | p. 140 |
| Expansive Soil | p. 151 |
| Introduction | p. 152 |
| Expansive Soil Factors | p. 152 |
| Expansion Potential | p. 153 |
| Introduction | p. 153 |
| Index properties | p. 153 |
| Expansion Index test | p. 157 |
| HUD swell test | p. 167 |
| Foundation design | p. 170 |
| Swell Tests | p. 171 |
| Introduction | p. 171 |
| Test procedure | p. 171 |
| Heave calculations | p. 174 |
| Common errors and limitations | p. 174 |
| Swelling of desiccated clays | p. 174 |
| Swell Index | p. 180 |
| Expansive Rock | p. 186 |
| Problems | p. 187 |
| Shear Strength of Cohesionless Soil | p. 195 |
| Introduction | p. 195 |
| Mohr-Coulomb Failure Law | p. 196 |
| Typical Values of Effective Friction Angle | p. 197 |
| Direct Shear Test | p. 199 |
| Introduction | p. 199 |
| Test procedure | p. 201 |
| Calculations | p. 206 |
| Example of test data | p. 207 |
| Common errors and limitations | p. 208 |
| Triaxial Test | p. 210 |
| Problems | p. 210 |
| Shear Strength of Cohesive Soil | p. 217 |
| Introduction | p. 218 |
| Triaxial Test | p. 220 |
| Equipment | p. 220 |
| Test procedure | p. 225 |
| Calculations | p. 235 |
| Example of test data | p. 243 |
| Common errors and limitations | p. 249 |
| Undrained Shear Strength s[subscript u] | p. 250 |
| Introduction | p. 250 |
| Unconfined compression test | p. 251 |
| Vane shear test | p. 257 |
| Sensitivity | p. 260 |
| Consistency | p. 260 |
| Undrained shear strength versus depth | p. 261 |
| Normalized undrained shear strength s[subscript u]/[sigma superscript l subscript v] | p. 262 |
| Undrained Shear Strength (c and [phis]) | p. 263 |
| Introduction | p. 263 |
| Unconsolidated undrained triaxial compression test | p. 263 |
| Consolidated undrained triaxial compression test | p. 266 |
| Effective Shear Strength | p. 267 |
| Introduction | p. 267 |
| Direct shear test | p. 268 |
| Consolidated drained triaxial compression test | p. 268 |
| Consolidated undrained triaxial compression test with pore water pressure measurements | p. 269 |
| Factors Affecting Shear Strength | p. 272 |
| Total Stress and Effective Stress Analyses | p. 275 |
| Drained Residual Shear Strength | p. 276 |
| Introduction | p. 276 |
| Direct shear apparatus | p. 278 |
| Torsional ring shear test | p. 279 |
| Examples of test data | p. 282 |
| Problems | p. 283 |
| Laboratory Compaction Tests | p. 293 |
| Introduction | p. 293 |
| Modified Proctor Compaction Test | p. 295 |
| Test procedure | p. 296 |
| Calculations | p. 301 |
| Example of test data | p. 303 |
| Common errors and limitations | p. 307 |
| Standard Proctor Compaction Test | p. 309 |
| One-Point Proctor Test | p. 309 |
| Oversize Particles | p. 310 |
| Problems | p. 312 |
| Field Density Tests | p. 317 |
| Introduction | p. 318 |
| Grading | p. 318 |
| Sand Cone Test | p. 323 |
| Calibration | p. 324 |
| Test procedure | p. 330 |
| Calculations | p. 338 |
| Common errors and limitations | p. 339 |
| Other Destructive Field Density Tests | p. 340 |
| Balloon test | p. 340 |
| Drive cylinder | p. 340 |
| Test pit method | p. 346 |
| Nondestructive Field Density Test | p. 347 |
| Types of Fill | p. 349 |
| Select import | p. 349 |
| Uniform borrow | p. 350 |
| Mixed borrow | p. 350 |
| Borrow with oversize particles | p. 352 |
| Frequency of Field Density Testing | p. 357 |
| Problems | p. 359 |
| Permeability Tests | p. 365 |
| Introduction | p. 365 |
| Factors affecting the coefficient of permeability | p. 367 |
| Darcy's law | p. 369 |
| Laboratory Permeability Tests | p. 370 |
| Constant head permeameter | p. 370 |
| Falling head permeameter | p. 371 |
| Limitations of laboratory permeability tests | p. 373 |
| Field Permeability Tests | p. 375 |
| Percolation Tests for Sewage Disposal System | p. 375 |
| Problems | p. 380 |
| Other Common Soil Tests | p. 383 |
| Introduction | p. 383 |
| Soluble Sulfate | p. 383 |
| Mechanisms of sulfate attack of concrete | p. 386 |
| Sulfate resistance of concrete | p. 387 |
| Laboratory testing | p. 389 |
| Solubility Test | p. 390 |
| Percent soluble soil particles | p. 390 |
| Laboratory Tests for Pavement Design | p. 392 |
| California bearing ratio | p. 393 |
| R-value test | p. 394 |
| Problems | p. 396 |
| Aggregates | p. 397 |
| Introduction | p. 397 |
| Aggregate Properties | p. 399 |
| Internal Moisture Content and Absorption | p. 401 |
| Internal moisture content of coarse aggregates and oversize particles | p. 401 |
| Absorption of coarse aggregates | p. 402 |
| Bulk Specific Gravity | p. 404 |
| Test procedure | p. 404 |
| Calculations for coarse aggregates (SSD state) | p. 408 |
| Calculations for coarse aggregates (dry state) | p. 408 |
| Calculations for oversize particles | p. 409 |
| Example of laboratory test data | p. 409 |
| Problems | p. 409 |
| Subsoil Profiles | p. 413 |
| Introduction | p. 413 |
| Examples of Subsoil Profiles | p. 413 |
| References | p. 421 |
| Glossaries | p. 429 |
| Field Testing Terminology | p. 430 |
| Laboratory Testing Terminology | p. 434 |
| Terminology for Engineering Analysis and Computations | p. 441 |
| Compaction and Grading Terminology | p. 445 |
| Percolation Tests and Related Terminology | p. 451 |
| Compaction and Grading Specifications | p. 455 |
| Percolation Test Procedures | p. 475 |
| Conversion Factors | p. 483 |
| Solutions to Problems | p. 485 |
| Laboratory Data Sheets | p. 555 |
| Index | p. 607 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
