TY - BOOK AU - Kirsch,Klaus AU - Kirsch,Fabian TI - Ground improvement by deep vibratory methods SN - 9780415550154 AV - TA749 .K57 2010 PY - 2010/// CY - London, New York PB - Spon Press KW - Soil stabilization KW - Vibratory compacting KW - Foundations N1 - Includes bibliographical references and index; Table of Contents; Preface to the Second Edition; Preface and Acknowledgments to the First Edition; Acknowledgments to the Second Edition; Authors; 1: An overview of deep soil improvement by vibratory methods; 2: A history of vibratory deep compaction; 2.1 The vibro flotation method and first applications before 1945; 2.2 Vibro compaction in postwar Germany during reconstruction; 2.3 The Torpedo vibrator and the vibro replacement stone column method; 2.4 Development of vibro compaction outside Germany; 2.5 Method improvements; 2.6 Design aspects; 3: Vibro compaction of granular soils; 3.1 The depth vibrator; 3.2 Vibro compaction treatment technique; 3.2.1 Compaction mechanism of granular soils; 3.2.2 Vibro compaction in practice; 3.3 Design principles; 3.3.1 General remarks; 3.3.2 Stability and settlement control; 3.3.3 Mitigation of seismic risks; 3.3.3.1 Evaluation of the liquefaction potential; 3.3.3.2 Settlement estimation of sands due to earthquake shaking; 3.4 Quality control and testing; 3.5 Suitable soils and method limitations; 3.6 Case histories; 3.6.1 Vibro compaction for a land reclamation project; 3.6.2 Ground improvement treatment by vibro compaction for new port facilities; 3.6.3 Vibro compaction field trial in calcareous sand; 3.6.4 Foundation of a fuel oil tank farm; 3.6.5 Liquefaction evaluation of CPT data after vibro compaction and stone column treatment; 3.6.6 Trial compaction in quartz sand to establish compaction probe spacing; 3.6.7 Ground improvement works for the extension of a major shipyard in Singapore; 4: Improvement of fine-grained and cohesive soils by vibro replacement stone columns; 4.1 Vibro replacement stone column technique; 4.2 Special equipment; 4.3 Principal behavior of vibro stone columns under load and their design; 4.3.1 Overview and definitions; 4.3.2 Load-carrying mechanism and settlement estimation; 4.3.3 Failure mechanism and bearing capacity calculations; 4.3.4 Drainage, reduction of liquefaction potential, and improvement of earthquake resistance; 4.3.5 Recommendations; 4.4 Quality control and testing; 4.5 Suitable soils and method limitations; 4.6 Computational examples; 4.6.1 Analysis of settlement reduction; 4.6.2 Analysis of slope stability; 4.6.3 Bearing capacity calculation of single footings on stone columns; 4.6.4 Some results of a parametric study of stone column group behavior; 4.7 Case histories; 4.7.1 Wet vibro replacement stone columns for a thermal power plant; 4.7.2 Vibro replacement soil improvement for a double track railway project; 4.7.3 Vibro replacement foundation for the new international airport at Berlin; 4.7.4 High replacement vibro stone columns for a port extension; 4.7.5 Vibro stone columns for settlement control behind bridge abutments; 4.7.6 Ground improvement for the foundation of a petroleum tank farm in the Middle East; 4.7.7 Stone columns provide earthquake-resistant foundation for an electric power plant in Turkey; 4.7.8 Seismic remediation of an earthfill dam by vibro stone columns; 5: Method variations and related processes; 5.1 General; 5.2 Vibro concrete columns for foundations in very soft soils; 5.2.1 Process description; 5.2.2 Special equipment; 5.2.3 Principal behavior and design; 5.2.4 Quality control and testing; 5.2.5 Suitable soils and method limitations; 5.2.6 Case history: Foundation on vibro concrete columns in soft alluvial soils; 6: Environmental considerations; 6.1 General remarks; 6.2 Noise emission; 6.3 Vibration nuisance and potential damages to adjacent structures; 6.4 Carbon dioxide emission; 7: Contractual matters; References; Index ER -