Introduction to soil mechanics 1st Edition by Béla Bodó ,Colin Jones ISBN 0470659432 978-0070407695

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ISBN 10:0470659432

ISBN 13:978-0070407695

Author:Béla Bodó ,Colin Jones

INTRODUCTION TO SOIL MECHANICS

Introduction to Soil Mechanics covers the basic principles of soil mechanics, illustrating why the properties of soil are important, the techniques used to understand and characterise soil behaviour and how that knowledge is then applied in construction. The authors have endeavoured to define and discuss the principles and concepts concisely, providing clear, detailed explanations, and a wellillustrated text with diagrams, charts, graphs and tables. With many practical, worked examples and end-of-chapter problems (with fully worked solutions available at www.wiley.com/go/bodo/soilmechanics) and coverage of Eurocode 7, Introduction to Soil Mechanics will be an ideal starting point for the study of soil mechanics and geotechnical engineering.

This book’s companion website is at
www.wiley.com/go/bodo/soilmechanics and offers invaluable resources for both students and lecturers:

• Supplementary problems
• Solutions to supplementary problems

Table of contents: 

1. Soil Structure
   Volume relationships
   Voids ratio (e)
   Porosity (n)
   Degree of saturation (Sr)
   Weight−volume relationships
   Bulk densities
   Dry densities
   Saturated densities
   Submerged densities (γ′)
   Density of solids (γs)
   Specific gravity (Gs)
   Moisture content (m)
   Partially saturated soil
   Relative density (Dr)
   Alteration of soil structure by compaction
   Laboratory compaction tests
   Practical considerations
   Relative compaction (Cr)
   Compactive effort
   Under- and overcompaction
   Site tests of compaction
   California bearing ratio (CBR) test
   The pycnometer
   Supplementary problems
2. Classification of Cohesive Soils
   Atterberg Limits
   Liquid Limit (LL)
   Plastic Limit
   Shrinkage Limit
   Swelling of cohesive soils
   Saturation Limit (Z%)
   Relationship between the limits
   Linear shrinkage and swelling
   Consistency indices
   Plasticity index (PI)
   Relative consistency index (RI)
   Liquidity index (LI)
   Classification of soils by particle size
   Sieve analysis
   Uniformity coefficient (U)
   Filter design
   Typical problems
   Combination of materials
   Sedimentation tests
   Supplementary problems 
3. Permeability and Seepage
   Coefficient of permeability (k)
   Seepage velocity (us)
   Determination of the value of k
   Constant head test
   Falling head test
   Field pumping tests
   Unconfined layer
   Radius of influence (R)
   Confined layer under artesian pressure (σA)
   Permeability of stratified soil
   Flow nets
   Flow lines (FL)
   Head loss in a flow channel
   Equipotential lines (EPL)
   Flow net construction
   Application of flow nets
   Seepage flowrate (Q)
   Seepage pressure
   Seepage force (S)
   Erosion due to seepage
   Prevention of piping
   Flow net for earth dams
   Supplementary problems 
4. Pressure at Depth Due to Surface Loading
   Concentrated point load
   Concentrated line load
   Uniform strip loading (Michell’s solution)
   Bulb of pressure diagrams
   Vertical pressure under triangular strip load
   Vertical pressure under circular area
   Rectangular footing
   Footings of irregular shape
   Pressure distribution under footings
   Influence of footing
   Influence of loading
   Linear dispersion of pressure
   Supplementary problems 
5. Effective Pressure (σ′)
   Unloaded state
   Loaded state
   Flooded state
   Types of problem
   Effect of seepage on shallow footings
   Ground water lowering (at atmospheric pressure)
   Reduction of artesian pressure
   Capillary movement of water
   Equilibrium moisture content (mE)
   Soil suction (Ss)
   Supplementary problems
6. Shear Strength of Soils
   Coulomb–Mohr Theory
   Stresses on the plane of failure
   Friction and cohesion
   Apparent cohesion
   Stress path
   Stress path failure envelope
   Variation of stress path
   Effect of saturation
   Effective Mohr’s circle
   Effective stress path (ESP)
   Measurement of shear strength
   Triaxial tests
   Variation of pore pressure
   Total excess pore pressure
   Unconsolidated–undrained tests
   Quick-undrained test
   Consolidated–undrained (CU) test
   Consolidated–drained (CD) test
   Unconfined compression strength of clays
   Standard shear box test
   The Vane shear test
   Residual shear strength
   Thixotropy of clay
   Undrained cohesion and overburden pressure
   Supplementary problems
7. Consolidation and Settlement
   Consolidation
   The pressure–voids ratio curve
   Analytical solution
   Equation of the σ′−e curve
   Alternative conventional procedure
   Graphical solution
   Forms of the σ′−e curve
   Normally consolidated clay
   Overconsolidated clays
   Coefficient of Compressibility (av)
   Coefficient of Volume Change (mv)
   Voids ratio method
   Direct method
   Estimation of settlement
   Voids ratio method
   Method Using mv
   Direct method
   Rate of consolidation
   Variation of excess pore pressure with time
   Typical pore pressure distributions
   Estimation of time
   Coefficient of Consolidation (cv)
   Pore pressure isochrones
   Average percentage consolidation
   Coefficient of permeability (k)
   Time from similarity
   Total settlement
   Initial compression
   Primary consolidation
   Secondary consolidation
   Supplementary problems for 
8. Lateral Earth Pressure
   Resistance to active expansion
   The value of K0
   Stress path representation
   Rankine’s theory of cohesionless soil
   Stress path representation (Lambe)
   Rankine-Bell theory for c − φ soil
   Tension cracks
   Effect of surcharge (q kN/m) on z0
   Water in the cracks only
   Rankine−Bell theory for c–soil
   Pressure−force and its line of action
   Triangular diagram for uniform soil
   Triangular diagram for water
   Rectangular diagram for surcharge only
   Wall supporting sloping surface
   General formulae for c − φ soil
   Active case
   Passive case (with surcharge)
   Formulae for pure clay (φ = 0)
   Height of unsupported clay
   Wedge theories
   Procedure for cohesionless soil
   Procedure for cohesive soil
   Point of application of Pa(x)
   Effect of static water table
   Stability of retaining walls
   Gravity walls
   Cantilever walls
   Buttress and counterfort walls
   Stability check
   Sheet piles
   Cantilever sheet pile walls
   Factor of safety
   Bending of sheet piles
   Sheet pile in cohesive soils
   Anchored sheet pile walls
   Free-earth support method
   Fixed-earth support method
   Anchorage
   Length of tie rod (L)
   Stability of anchors
   Effect of ground water
   Stability of deep trenches
   Horizontal bracing
   Bentonite slurry support
   Trench in clay
   Trench in sand
   Supplementary problems 
9. Bearing Capacity of Soils
   Terminology
   Foundation pressure (σ)
   Net foundation pressure (σn)
   Effective overburden pressure (σ′0)
   Ultimate bearing capacity (qu)
   Net ultimate bearing capacity (qn)
   Safe net bearing capacity (qsn)
   Safe bearing capacity (qs)
   Allowable foundation pressure (σa)
   Presumed bearing values
   Shallow strip footing
   Terzaghi’s equation for qu
   Effect of static water table
   Influence of footing shape
   Shallow rectangular footing
   Method of Fellenius
   Deep foundations
   Moderately deep foundations
   Standard penetration test (SPT)
   Pile foundations
   Types of pile
   Some reasons for choosing piles
   Some reasons for not choosing piles
   Effects necessitating caution
   Negative skin friction
   Stress distribution around piles
   Load-carrying capacity of piles
   Static formulae
   End-bearing resistance (Qe)
   Shaft resistance (Qs)
   Ultimate carrying capacity of pile
   Allowable carrying capacity of piles (Qa)
   Negative skin friction (Qf)
   End bearing resistance and SPT
   Influence of pile section on Qu
   Group of piles
   Eccentrically loaded pile group
   Settlement of pile groups
   Raking piles
   Supplementary problems 
10. Stability of Slopes
    Short-term and long-term stability
    Total stress analysis (cohesive soils)
    Homogeneous, pure clay (φu = 0)
    Increasing the value of Fs
    Minimum value of Fs
    Potential slip surface
    Determination of the factor of safety
    Homogeneous c − φ soil (total stress analysis)
    Stratified slopes
    Slopes under water
    Taylor’s stability numbers
    Effective stress analysis (cohesive soils)
    Method of slices (radial procedure)
    Bishop’s conventional method
    Bishop’s rigorous iterative method
    Stability of infinite slopes
    Supplementary problems
11. Eurocode 7
    Introduction
    Recommended units
    Limit states
    Design procedures
    Verification procedures
    Application of partial factors

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Tags: Béla Bodó, Colin Jones, Introduction, mechanics