第1页共27页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共27页Part2DredgingProcess..........................................................................................................1Chapter1BasicConceptsofSoilMechanics........................................................................................11.1SoilClassification...............................................................................................................11.2SoilProperties....................................................................................................................11.2.1PhaseRelationshipsofSoil..........................................................................................................21.2.2Compactionand/orConsistency.......................................................................................................21.2.3Permeability........................................................................................................................21.3ElementarySoilTests............................................................................................................71.3.1PermeabilityTest....................................................................................................................71.3.2MohrCircle..........................................................................................................................81.3.3CaseStudy..........................................................................................................................101.3.4TriaxialShearTest---MohrFailureEnvelop..........................................................................................121.3.5DirectShearTest---Coulomb’sLaw(1776)...........................................................................................131.3.6StandardPenetrationTest--SPT......................................................................................................161.4PassiveandActiveFailure—Rankine’sTheoryofLateralEarthPressure..................................................171.4.1ActiveStressState.................................................................................................................181.4.2PassiveStressState................................................................................................................201.5StressesintheSubsoil.........................................................................................................201.5.1General.............................................................................................................................201.5.2DeterminationofVerticalStresses..................................................................................................221.5.3OverstressedorUnderstressedPoreWaterinaClayLayer............................................................................241.6Consolidation......................................................................................................................25Acknowledgements..........................................................................................................................25Part2DredgingProcessChapter1BasicConceptsofSoilMechanics1.1SoilClassificationTheobjectofsoilclassificationistodividethesoilintogroupssothatallthesoilsinaparticular...
