| PREFACE |
|
xvii | |
| ACKNOWLEDGMENTS |
|
xxi | |
| SYMBOLS AND NOTATIONS |
|
xxiii | |
|
|
|
1 | (10) |
|
1.1 Historical Use of Foundations |
|
|
1 | (1) |
|
1.2 Kinds of Foundations and their Uses |
|
|
1 | (6) |
|
1.2.1 Spread Footings and Mats |
|
|
1 | (3) |
|
|
|
4 | (3) |
|
|
|
7 | (1) |
|
|
|
7 | (3) |
|
|
|
7 | (1) |
|
1.3.2 Obtain Information on Geology at Site |
|
|
7 | (1) |
|
1.3.3 Obtain Information on Magnitude and Nature of Loads on Foundation |
|
|
8 | (1) |
|
1.3.4 Obtain Information on Properties of Soil at Site |
|
|
8 | (1) |
|
1.3.5 Consider Long-Term Effects |
|
|
9 | (1) |
|
1.3.6 Pay Attention to Analysis |
|
|
9 | (1) |
|
1.3.7 Provide Recommendations for Tests of Deep Foundations |
|
|
9 | (1) |
|
1.3.8 Observe the Behavior of the Foundation of a Completed Structure |
|
|
10 | (1) |
|
|
|
10 | (1) |
|
|
|
11 | (10) |
|
|
|
11 | (1) |
|
2.2 Nature of Soil Affected by Geologic Processes |
|
|
12 | (1) |
|
2.2.1 Nature of Transported Soil |
|
|
12 | (2) |
|
2.2.2 Weathering and Residual Soil |
|
|
14 | (1) |
|
2.2.3 Nature of Soil Affected by Volcanic Processes |
|
|
14 | (1) |
|
2.2.4 Nature of Glaciated Soil |
|
|
15 | (1) |
|
|
|
16 | (1) |
|
2.3 Available Data on Regions in the United States |
|
|
16 | (1) |
|
2.4 U.S. Geological Survey and State Agencies |
|
|
17 | (1) |
|
2.5 Examples of the Application of Engineering Geology |
|
|
18 | (1) |
|
|
|
19 | (1) |
|
|
|
19 | (2) |
|
3 FUNDAMENTALS OF SOIL MECHANICS |
|
|
21 | (113) |
|
|
|
21 | (1) |
|
3.2 Data Needed for the Design of Foundations |
|
|
21 | (3) |
|
3.2.1 Soil and Rock Classification |
|
|
22 | (1) |
|
3.2.2 Position of the Water Table |
|
|
22 | (1) |
|
3.2.3 Shear Strength and Density |
|
|
23 | (1) |
|
3.2.4 Deformability Characteristics |
|
|
23 | (1) |
|
3.2.5 Prediction of Changes in Conditions and the Environment |
|
|
24 | (1) |
|
|
|
24 | (13) |
|
3.3.1 Grain-Size Distribution |
|
|
24 | (2) |
|
3.3.2 Types of Soil and Rock |
|
|
26 | (1) |
|
3.3.3 Mineralogy of Common Geologic Materials |
|
|
26 | (4) |
|
3.3.4 Water Content and Void Ratio |
|
|
30 | (1) |
|
|
|
31 | (1) |
|
3.3.6 Weight–Volume Relationships |
|
|
31 | (3) |
|
3.3.7 Atterberg Limits and the Unified Soils Classification System |
|
|
34 | (3) |
|
3.4 Concept of Effective Stress |
|
|
37 | (12) |
|
3.4.1 Laboratory Tests for Consolidation of Soils |
|
|
39 | (3) |
|
3.4.2 Spring and Piston Model of Consolidation |
|
|
42 | (3) |
|
3.4.3 Determination of Initial Total Stresses |
|
|
45 | (2) |
|
3.4.4 Calculation of Total and Effective Stresses |
|
|
47 | (2) |
|
3.4.5 The Role of Effective Stress in Soil Mechanics |
|
|
49 | (1) |
|
3.5 Analysis of Consolidation and Settlement |
|
|
49 | (32) |
|
3.5.1 Time Rates of Settlement |
|
|
49 | (8) |
|
3.5.2 One-Dimensional Consolidation Testing |
|
|
57 | (7) |
|
3.5.3 The Consolidation Curve |
|
|
64 | (3) |
|
3.5.4 Calculation of Total Settlement |
|
|
67 | (1) |
|
3.5.5 Calculation of Settlement Due to Consolidation |
|
|
68 | (1) |
|
3.5.6 Reconstruction of the Field Consolidation Curve |
|
|
69 | (4) |
|
3.5.7 Effects of Sample Disturbance on Consolidation Properties |
|
|
73 | (5) |
|
3.5.8 Correlation of Consolidation Indices with Index Tests |
|
|
78 | (2) |
|
3.5.9 Comments on Accuracy of Settlement Computations |
|
|
80 | (1) |
|
3.6 Shear Strength of Soils |
|
|
81 | (43) |
|
|
|
81 | (1) |
|
3.6.2 Friction Between Two Surfaces in Contact |
|
|
81 | (3) |
|
3.6.3 Direct Shear Testing |
|
|
84 | (1) |
|
3.6.4 Triaxial Shear Testing |
|
|
84 | (5) |
|
3.6.5 Drained Triaxial Tests on Sand |
|
|
89 | (3) |
|
3.6.6 Triaxial Shear Testing of Saturated Clays |
|
|
92 | (27) |
|
|
|
119 | (3) |
|
3.6.8 Other Types of Shear Testing for Soils |
|
|
122 | (1) |
|
3.6.9 Selection of the Appropriate Testing Method |
|
|
123 | (1) |
|
|
|
124 | (10) |
|
4 INVESTIGATION OF SUBSURFACE CONDITIONS |
|
|
134 | (24) |
|
|
|
134 | (2) |
|
4.2 Methods of Advancing Borings |
|
|
136 | (3) |
|
4.2.1 Wash-Boring Technique |
|
|
136 | (1) |
|
4.2.2 Continuous-Flight Auger with Hollow Core |
|
|
137 | (2) |
|
|
|
139 | (5) |
|
|
|
139 | (1) |
|
4.3.2 Sampling with Thin-Walled Tubes |
|
|
139 | (3) |
|
4.3.3 Sampling with Thick-Walled Tubes |
|
|
142 | (1) |
|
|
|
142 | (2) |
|
4.4 In Situ Testing of Soil |
|
|
144 | (8) |
|
4.4.1 Cone Penetrometer and Piezometer-Cone Penetrometer |
|
|
144 | (2) |
|
|
|
146 | (2) |
|
|
|
148 | (4) |
|
|
|
152 | (1) |
|
4.6 Subsurface Investigations for Offshore Structures |
|
|
153 | (2) |
|
|
|
155 | (3) |
|
5 PRINCIPAL TYPES OF FOUNDATIONS |
|
|
158 | (18) |
|
|
|
158 | (2) |
|
|
|
160 | (12) |
|
|
|
160 | (1) |
|
5.2.2 Driven Piles with Impact Hammer |
|
|
160 | (2) |
|
|
|
162 | (6) |
|
|
|
168 | (2) |
|
|
|
170 | (2) |
|
|
|
172 | (1) |
|
|
|
172 | (1) |
|
|
|
173 | (2) |
|
|
|
175 | (1) |
|
6 DESIGNING STABLE FOUNDATIONS |
|
|
176 | (20) |
|
|
|
176 | (1) |
|
6.2 Total and Differential Settlement |
|
|
177 | (1) |
|
6.3 Allowable Settlement of Structures |
|
|
178 | (2) |
|
6.3.1 Tolerance of Buildings to Settlement |
|
|
178 | (1) |
|
6.3.2 Exceptional Case of Settlement |
|
|
178 | (2) |
|
6.3.3 Problems in Proving Settlement |
|
|
180 | (1) |
|
6.4 Soil Investigations Appropriate to Design |
|
|
180 | (6) |
|
|
|
180 | (1) |
|
|
|
181 | (1) |
|
6.4.3 Soils with Special Characteristics |
|
|
181 | (1) |
|
|
|
182 | (4) |
|
6.5 Use of Valid Analytical Methods |
|
|
186 | (3) |
|
|
|
187 | (1) |
|
6.5.2 Transcona Elevator in Canada |
|
|
187 | (1) |
|
6.5.3 Bearing Piles in China |
|
|
188 | (1) |
|
6.6 Foundations at Unstable Slopes |
|
|
189 | (1) |
|
|
|
189 | (1) |
|
|
|
190 | (1) |
|
6.7 Effects of Installation on the Quality of Deep Foundations |
|
|
190 | (2) |
|
|
|
190 | (2) |
|
6.8 Effects of Installation of Deep Foundations on Nearby Structures |
|
|
192 | (1) |
|
|
|
192 | (1) |
|
6.9 Effects of Excavations on Nearby Structures |
|
|
193 | (1) |
|
6.10 Deleterious Effects of the Environment on Foundations |
|
|
194 | (1) |
|
6.11 Scour of Soil at Foundations |
|
|
194 | (1) |
|
|
|
194 | (2) |
|
7 THEORIES OF BEARING CAPACITY AND SETTLEMENT |
|
|
196 | (27) |
|
|
|
196 | (2) |
|
7.2 Terzaghi's Equations for Bearing Capacity |
|
|
198 | (1) |
|
7.3 Revised Equations for Bearing Capacity |
|
|
199 | (1) |
|
7.4 Extended Formulas for Bearing Capacity by J. Brinch Hansen |
|
|
200 | (13) |
|
|
|
203 | (1) |
|
7.4.2 Load Inclination Factors |
|
|
204 | (1) |
|
7.4.3 Base and Ground Inclination |
|
|
205 | (1) |
|
|
|
205 | (1) |
|
|
|
206 | (1) |
|
|
|
206 | (2) |
|
|
|
208 | (1) |
|
7.4.8 Passive Earth Pressure |
|
|
208 | (1) |
|
|
|
209 | (1) |
|
7.4.10 Example Computations |
|
|
209 | (4) |
|
7.5 Equations for Computing Consolidation Settlement of Shallow Foundations on Saturated Clays |
|
|
213 | (9) |
|
|
|
213 | (1) |
|
7.5.2 Prediction of Total Settlement Due to Loading of Clay Below the Water Table |
|
|
214 | (5) |
|
7.5.3 Prediction of Time Rate of Settlement Due to Loading of Clay Below the Water Table |
|
|
219 | (3) |
|
|
|
222 | (1) |
|
8 PRINCIPLES FOR THE DESIGN OF FOUNDATIONS |
|
|
223 | (12) |
|
|
|
223 | (1) |
|
8.2 Standards of Professional Conduct |
|
|
223 | (1) |
|
8.2.1 Fundamental Principles |
|
|
223 | (1) |
|
|
|
224 | (1) |
|
|
|
224 | (1) |
|
|
|
225 | (1) |
|
8.5 Details of the Project |
|
|
225 | (1) |
|
|
|
226 | (4) |
|
8.6.1 Selection of a Global Factor of Safety |
|
|
228 | (1) |
|
8.6.2 Selection of Partial Factors of Safety |
|
|
229 | (1) |
|
|
|
230 | (1) |
|
8.8 Specifications and Inspection of the Project |
|
|
231 | (1) |
|
8.9 Observation of the Completed Structure |
|
|
232 | (1) |
|
|
|
233 | (1) |
|
|
|
234 | (1) |
|
9 GEOTECHNICAL DESIGN OF SHALLOW FOUNDATIONS |
|
|
235 | (35) |
|
|
|
235 | (1) |
|
9.2 Problems with Subsidence |
|
|
235 | (2) |
|
9.3 Designs to Accommodate Construction |
|
|
237 | (1) |
|
9.3.1 Dewatering During Construction |
|
|
237 | (1) |
|
9.3.2 Dealing with Nearby Structures |
|
|
237 | (1) |
|
9.4 Shallow Foundations on Sand |
|
|
238 | (9) |
|
|
|
238 | (1) |
|
9.4.2 Immediate Settlement of Shallow Foundations on Sand |
|
|
239 | (5) |
|
9.4.3 Bearing Capacity of Footings on Sand |
|
|
244 | (3) |
|
9.4.4 Design of Rafts on Sand |
|
|
247 | (1) |
|
9.5 Shallow Foundations on Clay |
|
|
247 | (8) |
|
9.5.1 Settlement from Consolidation |
|
|
247 | (4) |
|
9.5.2 Immediate Settlement of Shallow Foundations on Clay |
|
|
251 | (2) |
|
9.5.3 Design of Shallow Foundations on Clay |
|
|
253 | (2) |
|
|
|
255 | (1) |
|
9.6 Shallow Foundations Subjected to Vibratory Loading |
|
|
255 | (2) |
|
9.7 Designs in Special Circumstances |
|
|
257 | (8) |
|
|
|
257 | (3) |
|
9.7.2 Design of Shallow Foundations on Collapsible Soil |
|
|
260 | (1) |
|
9.7.3 Design of Shallow Foundations on Expansive Clay |
|
|
260 | (2) |
|
9.7.4 Design of Shallow Foundations on Layered Soil |
|
|
262 | (1) |
|
9.7.5 Analysis of a Response of a Strip Footing by Finite Element Method |
|
|
263 | (2) |
|
|
|
265 | (5) |
| 10 GEOTECHNICAL DESIGN OF DRIVEN PILES UNDER AXIAL LOADS |
|
270 | (53) |
|
10.1 Comment on the Nature of the Problem |
|
|
270 | (3) |
|
10.2 Methods of Computation |
|
|
273 | (4) |
|
10.2.1 Behavior of Axially Loaded Piles |
|
|
273 | (2) |
|
10.2.2 Geotechnical Capacity of Axially Loaded Piles |
|
|
275 | (2) |
|
10.3 Basic Equation for Computing the Ultimate Geotechnical Capacity of a Single Pile |
|
|
277 | (20) |
|
|
|
277 | (7) |
|
10.3.2 Revised Lambda Method |
|
|
284 | (2) |
|
10.3.3 U.S. Army Corps Method |
|
|
286 | (5) |
|
|
|
291 | (6) |
|
10.4 Analyzing the Load–Settlement Relationship of an Axially Loaded Pile |
|
|
297 | (9) |
|
10.4.1 Methods of Analysis |
|
|
297 | (6) |
|
10.4.2 Interpretation of Load-Settlement Curves |
|
|
303 | (3) |
|
10.5 Investigation of Results Based on the Proposed Computation Method |
|
|
306 | (1) |
|
|
|
307 | (5) |
|
|
|
308 | (4) |
|
10.7 Analysis of Pile Driving |
|
|
312 | (9) |
|
|
|
312 | (1) |
|
|
|
313 | (1) |
|
10.7.3 Reasons for the Problems with Dynamic Formulas |
|
|
314 | (1) |
|
10.7.4 Dynamic Analysis by the Wave Equation |
|
|
315 | (2) |
|
10.7.5 Effects of Pile Driving |
|
|
317 | (3) |
|
10.7.6 Effects of Time After Pile Driving with No Load |
|
|
320 | (1) |
|
|
|
321 | (2) |
| 11 GEOTECHNICAL DESIGN OF DRILLED SHAFTS UNDER AXIAL LOADING |
|
323 | (56) |
|
|
|
323 | (1) |
|
11.2 Presentation of the FHWA Design Procedure |
|
|
323 | (1) |
|
|
|
323 | (1) |
|
11.3 Strength and Serviceability Requirements |
|
|
324 | (1) |
|
11.3.1 General Requirements |
|
|
324 | (1) |
|
11.3.2 Stability Analysis |
|
|
324 | (1) |
|
11.3.3 Strength Requirements |
|
|
324 | (1) |
|
|
|
325 | (1) |
|
11.4.1 Applicability and Deviations |
|
|
325 | (1) |
|
11.4.2 Loading Conditions |
|
|
325 | (1) |
|
11.4.3 Allowable Stresses |
|
|
325 | (1) |
|
11.5 General Computations for Axial Capacity of Individual Drilled Shafts |
|
|
325 | (1) |
|
11.6 Design Equations for Axial Capacity in Compression and in Uplift |
|
|
326 | (51) |
|
11.6.1 Description of Soil and Rock for Axial Capacity Computations |
|
|
326 | (1) |
|
11.6.2 Design for Axial Capacity in Cohesive Soils |
|
|
326 | (8) |
|
11.6.3 Design for Axial Capacity in Cohesionless Soils |
|
|
334 | (11) |
|
11.6.4 Design for Axial Capacity in Cohesive Intermediate Geomaterials and Jointed Rock |
|
|
345 | (17) |
|
11.6.5 Design for Axial Capacity in Cohesionless Intermediate Geomaterials |
|
|
362 | (3) |
|
11.6.6 Design for Axial Capacity in Massive Rock |
|
|
365 | (9) |
|
11.6.7 Addition of Side Resistance and End Bearing in Rock |
|
|
374 | (1) |
|
11.6.8 Commentary on Design for Axial Capacity in Karst |
|
|
375 | (1) |
|
11.6.9 Comparison of Results from Theory and Experiment |
|
|
376 | (1) |
|
|
|
377 | (2) |
| 12 FUNDAMENTAL CONCEPTS REGARDING DEEP FOUNDATIONS UNDER LATERAL LOADING |
|
379 | (34) |
|
|
|
379 | (3) |
|
12.1.1 Description of the Problem |
|
|
379 | (1) |
|
12.1.2 Occurrence of Piles Under Lateral Loading |
|
|
379 | (2) |
|
12.1.3 Historical Comment |
|
|
381 | (1) |
|
12.2 Derivation of the Differential Equation |
|
|
382 | (11) |
|
12.2.1 Solution of the Reduced Form of the Differential Equation |
|
|
386 | (7) |
|
12.3 Response of Soil to Lateral Loading |
|
|
393 | (3) |
|
12.4 Effect of the Nature of Loading on the Response of Soil |
|
|
396 | (1) |
|
12.5 Method of Analysis for Introductory Solutions for a Single Pile |
|
|
397 | (4) |
|
12.6 Example Solution Using Nondimensional Charts for Analysis of a Single Pile |
|
|
401 | (10) |
|
|
|
411 | (2) |
| 13 ANALYSIS OF INDIVIDUAL DEEP FOUNDATIONS UNDER AXIAL LOADING USING t-z MODEL |
|
413 | (28) |
|
13.1 Short-Term Settlement and Uplift |
|
|
413 | (24) |
|
13.1.1 Settlement and Uplift Movements |
|
|
413 | (1) |
|
|
|
414 | (3) |
|
13.1.3 Finite Difference Equations |
|
|
417 | (1) |
|
13.1.4 Load-Transfer Curves |
|
|
417 | (1) |
|
13.1.5 Load-Transfer Curves for Side Resistance in Cohesive Soil |
|
|
418 | (1) |
|
13.1.6 Load-Transfer Curves for End Bearing in Cohesive Soil |
|
|
419 | (2) |
|
13.1.7 Load-Transfer Curves for Side Resistance in Cohesionless Soil |
|
|
421 | (4) |
|
13.1.8 Load-Transfer Curves for End Bearing in Cohesionless Soil |
|
|
425 | (1) |
|
13.1.9 Load-Transfer Curves for Cohesionless Intermediated Geomaterials |
|
|
426 | (4) |
|
|
|
430 | (6) |
|
13.1.11 Experimental Techniques for Obtaining Load-Transfer Versus Movement Curves |
|
|
436 | (1) |
|
13.2 Design for Vertical Ground Movements Due to Downdrag or Expansive Uplift |
|
|
437 | (3) |
|
13.2.1 Downward Movement Due to Downdrag |
|
|
438 | (1) |
|
13.2.2 Upward Movement Due to Expansive Uplift |
|
|
439 | (1) |
|
|
|
440 | (1) |
| 14 ANALYSIS AND DESIGN BY COMPUTER OR PILES SUBJECTED TO LATERAL LOADING |
|
441 | (62) |
|
14.1 Nature of the Comprehensive Problem |
|
|
441 | (1) |
|
14.2 Differential Equation for a Comprehensive Solution |
|
|
442 | (1) |
|
14.3 Recommendations for p-y Curves for Soil and Rock |
|
|
443 | (41) |
|
|
|
443 | (4) |
|
14.3.2 Recommendations for p-y Curves for Clays |
|
|
447 | (17) |
|
14.3.3 Recommendations for p-y Curves for Sands |
|
|
464 | (9) |
|
14.3.4 Modifications to p-y Curves for Sloping Ground |
|
|
473 | (4) |
|
14.3.5 Modifications for Raked (Battered Piles) |
|
|
477 | (1) |
|
14.3.6 Recommendations for my Curves for Rock |
|
|
478 | (6) |
|
14.4 Solution of the Differential Equation by Computer |
|
|
484 | (5) |
|
|
|
484 | (2) |
|
14.4.2 Formulation of the Equation by Finite Differences |
|
|
486 | (1) |
|
14.4.3 Equations for Boundary Conditions for Useful Solutions |
|
|
487 | (2) |
|
14.5 Implementation of Computer Code |
|
|
489 | (10) |
|
14.5.1 Selection of the Length of the Increment |
|
|
490 | (1) |
|
14.5.2 Safe Penetration of Pile with No Axial Load |
|
|
491 | (1) |
|
14.5.3 Buckling of a Pipe Extending Above the Groundline |
|
|
492 | (1) |
|
14.5.4 Steel Pile Supporting a Retaining Wall |
|
|
492 | (4) |
|
14.5.5 Drilled Shaft Supporting an Overhead Structure |
|
|
496 | (3) |
|
|
|
499 | (4) |
| 15 ANALYSIS OF PILE GROUPS |
|
503 | (34) |
|
|
|
503 | (1) |
|
15.2 Distribution of Load to Piles in a Group: The Two-Dimensional Problem |
|
|
503 | (7) |
|
15.2.1 Model of the Problem |
|
|
504 | (6) |
|
15.2.2 Detailed Step-by-Step Solution Procedure |
|
|
510 | (1) |
|
15.3 Modification of p-y Curves for Battered Piles |
|
|
510 | (1) |
|
15.4 Example Solution Showing Distribution of a Load to Piles in a Two-Dimensional Group |
|
|
511 | (6) |
|
15.4.1 Solution by Hand Computations |
|
|
511 | (6) |
|
15.5 Efficiency of Piles in Groups Under Lateral Loading |
|
|
517 | (10) |
|
15.5.1 Modifying Lateral Resistance of Closely Spaced Piles |
|
|
517 | (1) |
|
15.5.2 Customary Methods of Adjusting Lateral Resistance for Close Spacing |
|
|
518 | (3) |
|
15.5.3 Adjusting for Close Spacing under Lateral Loading by Modified p-y Curves |
|
|
521 | (6) |
|
15.6 Efficiency of Piles in Groups Under Axial Loading |
|
|
527 | (8) |
|
|
|
527 | (2) |
|
15.6.2 Efficiency of Piles in a Group in Cohesionless Soils |
|
|
529 | (2) |
|
15.6.3 Efficiency of Piles in a Group in Cohesive Soils |
|
|
531 | (3) |
|
15.6.4 Concluding Comments |
|
|
534 | (1) |
|
|
|
535 | (2) |
| APPENDIX |
|
537 | (2) |
| REFERENCES |
|
539 | (20) |
| INDEX |
|
559 | |