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Geotechnical Engineering Calculations and Rules of Thumb, Second Edition, offers geotechnical, civil and structural engineers a concise, easy-to-understand approach to selecting the right formula and solving even most difficult calculations in geotechnical engineering. A "quick look up guide", this book places formulas and calculations at the reader’s finger tips. In this book, theories are explained in a "nutshell" and then the calculation is presented and solved in an illustrated
Key Features
Calculations both in FPS and SI metric systems;
Convenient access to all needed calculations;
Access to concise theory that helps understand the calculations;
Case studies from around the world;
Includes new software calculation tools.
Description
Geotechnical Engineering Calculations and Rules of Thumb, Second Edition, offers geotechnical, civil and structural engineers a concise, easy-to-understand approach to selecting the right formula and solving even most difficult calculations in geotechnical engineering. A "quick look up guide", this book places formulas and calculations at the reader’s finger tips. In this book, theories are explained in a "nutshell" and then the calculation is presented and solved in an illustrated, step-by-step fashion.
In its first part, the book covers the fundamentals of Geotechnical Engineering: Soil investigation, condition and theoretical concepts. In the second part it addresses Shallow Foundations, including bearing capacity, elastic settlement, foundation reinforcement, grillage design, footings, geogrids, tie and grade beams, and drainage. This session ends with a chapter on selecting foundation types. The next part covers Earth Retaining Structures and contains chapters on its basic concepts and types, gabion walls and reinforced earth walls. The following part covers Geotechnical Engineering Strategies providing coverage of softwares, instrumentation, excavations, raft design, rock mechanics, dip angle and strike, rock stabilization equipment, soil anchors, tunnel design, seismology, geosynthetics, and slurry cutoff walls. The final part is on Pile Foundations including content on design on sandy soils, clay soils, pin piles, negative skin friction, caissons and pile clusters.
In this new and updated edition the author has incorporated new software calculation tools, current techniques for foundation design, liquefaction information, seismic studies, laboratory soil tests, geophysical techniques, new concepts for foundation design and Dam designs. All calculations have been updated to most current material characteristics available in the market.
Practicing Geotechnical, Civil and Structural Engineers may find in this book an excellent companion to their day-to day work, benefiting from the clear and direct calculations, examples, and cases. Civil Engineering students may find particular interest in the concise theory presented in the beginning of each chapter.
Part 1 Geotechnical Engineering Fundamentals
1 Geology and geotechnical engineering
1.1 Introduction
1.2 Strength of soils
1.3 Origin of rocks and sand
1.4 Rock types
1.5 Soil strata types
2 Site investigation
2.1 Cohesion
2.2 Friction
2.3 Origin of a project
2.4 Geotechnical investigation procedures
2.5 Literature survey
2.6 Field visit
2.7 Geophysics
2.8 Subsurface investigation phase
2.9 Geotechnical field tests
2.10 Correlation between friction angle and SPT (N) value
2.11 SPT (N) value computation based on drill rig efficiency
2.12 Cone penetration testing (CPT)
2.13 Pressuremeter testing
2.14 Dilatometer testing
2.15 SPT-CPT correlations
References
3 Groundwater
3.1 Vertical distribution of groundwater
3.2 Aquifers, aquicludes,aquifuges, and aquitards
3.3 Piezometers
4 Soil laboratory testing
4.1 Sieve analysis
4.2 Hydrometer
4.3 Liquid limit, plastic limit, and shrinkage limit (Atterberg limit)
4.4 Permeability test
4.5 Unconfined-undrained compressive strength tests (UU tests)
4.6 Tensile failure
5 Geotechnical engineering theoretical concepts
5.1 Vertical effective stress
5.2 Lateral earth pressure
5.3 Stress increase due to footings
5.4 Overconsolidation ratio
5.5 Soil compaction
5.6 Borrow pit computations
5.7 Short course on seismology
References
Part 2 Shallow Foundations
6 Shallow foundation fundamentals
6.1 Introduction
6.2 Buildings
6.3 Bridges
6.4 Frost depth
7 Bearing capacity - rules of thumb
7.1 Introduction
7.2 Bearing capacity in medium to coarse sands (drained analysis)
7.3 Bearing capacity in fine sands
8 Bearing capacity computation (general equation for cohesive and moncohesive solis)
8.1 Terms used in Terzaghi´s bearing capacity equation
8.2 Description of terms in the Terzaghi´s bearing capacity equation
8.3 Terzaghi´s bearing capacity equation (discussion)
8.4 Bearing capacity in sandy soli (drained analysis)
8.5 Bearing capacity in clay ( undrained analysis)
8.6 Bearing capacity in layered soid
8.7 Bearing capacity when groundwater present
8.8 Groundwater below the stress triangle
8.9 Groundwater above the bottom of footing level
8.10 Groundwater at bottom of footing level
8.11 Meyerhof bearing capacity equation
8.12 Eccentric loading
8.13 Shallow foundations in bridge abutments
8.14 Bearing capacity computations (Eurocode)
8.15 Undrained conditions
9 Elastic settlement of shallow foundations
9.1 Introduction
Reference
10 Foundation reinforcement design
10.1 Concrete design (refresher)
10.2 Design for beam flexure
10.3 foundation reinforcement design
11 Grillage design
11.1 Introduction
12 Footings subjected to bending moment
12.1 Introduction
13 Geogrids
13.1 Failure mechanisms
14 Tie beams and grade beams
14.1 Tie beams
14.2 Grade beams
14.3 Construction joints
15 Drainage for shallow foundations
15.1 Introduction
15.2 Dewatering methods
15.3 Design of dewatering systems
15.4 Ground freezing
15.5 Drain pipes and filter design
15.6 Geotextile filter design
Reference
16 Selection of foundation type
16.1 Shallow foundations
16.2 Mat foundations
16.3 Pile foundations
16.4 Caissons
16.5 Foundation selection criteria
17 Consolidation settlement of foundations
17.1 Introduction
17.2.Excess pore pressure distribution
17.3 Normally consolidated clays and overco
17.4 Total primary consolidation
17.5 Consolidation in overconsolidated clay
17.6 Computation of time for consolidation
17.7 Drainage layer (H)
18.Secondary compression
19.Seismic design of shallow foundations
19.1 Selection of value for a given city
PART 3 Earth Retaining Structure
20.Earth retaining Structure
20.1 Introduction
20.2.Water pressure distribution
20.3.Active earth pressure coefficient ( Ka)
20.4.Earth pressure coefficient at rest (Ko)
21.Gravity walls:sand backfill
21.1 Introduction
21.2.Retaining wall design when groundwater is present
21.3.Retaining wall design in nonhomogeneus sands
22.Cantilever walls
23.Gabion walls
24.Reinforced earth walls
25 Structural design of retaining walls
PART 4 Geotechnical Engineering Strategies
26 Geotechnical Engineering Software
26.1.Shallow foundations
26.2.Slope stability analysis
26.3.Bridge foundations
26.4.Rock mechanics
26.5.Pile design
26.6.Lateral loading analysis-computer software
26.7.Finite element method
26.8.Boundary element method
Reference
27.Geotethnical instrumentation
27.1.Inclinometer
27.2.Extensometers
27.3.Rock pressure gauge
27.4.Settlement plates
27.5.Borros anchors (settlement monitoring )
27.6.Tiltmeter
28.Unbraced excavations
28.1.Introduction
Reference
29.Braced excavations
29.1 Design of cross braces
30.Raft design
30.1 Introduction
30.2 Raft design in sandy soils
Reference
31.Rock mechanics and foudation design in rock
31.1 Introduction
31.2.Brief overview of rocks
31.3.Rock joints
31.4.Rock coring and logging
31.5.Rock mass classification
31.6.Q-system
32.Dip angle and strike
32.1 Introduction
32.2.Oriented rock coring
33.Rock bolts,dowels,and cable bolts
33.1.Introduction
33.2.Mechanical rock anchors
33.3.Resin anchored rock bolts
33.4.Rock dowels
33.5.Grounted rock anchors ( nonstressed )
33.6.Prestressed grounted rock anchors
Reference
34.Soil anchors
34.1.Mechanical soil anchors
34.2 Grounted soil anchors
35 Tunnel design
35.1 Introduction
35.2.Roadheaders
35.3 Drill and blast
35.4.Tunnel design fundamentals
35.5 Tunnel support systems
35.6.Wedge analysis
36 Geosynthetics in geotechnical engineering
37 Slurry cutoff walls
37.1 Slurry cutoff wall types
38 Earthwork
38.1 Excavation and embankment (Cut and Fill )
38.2 Some relationships to remember
38.3 Borrow pit problems
39 Mass-haul diagrams
39.1.Cut
39.2.Mass.haul diagrams
Part 5.Pile foundations
40. Pile foundations
40.1 Introduction
40.2 Pile types
40.3 Timber pilesr
40.4 Steel "H"piles
40.5 Pipe piles
40.6 Precast-concrete piles
40.7 Reinforced concrete piles
40.8 Prestressed concrete piles
40.9 Driven cast-in-place concrete piles
40.10. Selection of pile type
41.Pile design in sandy soils
41.1 Equations for end bearing capacity in sandy soils
41.2 Equations for skin friction in sandy soils
41.3 Critical depth for skin friction ( sandy soils )
41.4 Critical depth for end bearing capacity ( sandy soils )
Reference
42 Pile design in clay soils
42.1 End bearing capacity in clay soils ( different methods )
42.2 Case study-foundation design options
Reference
43 Pile installations and verification
43.1 Straightness of the pile
43.2 Damage to the pile
43.3 Plumbness of piles
44 Design of pin piles.semiempirical approach
44.1 Theory
44.2 Concepts to Consider
Reference
45 Neutral plane concept and negative skin friction
45.1 Introduction
45.2 Negative skin friction
45.3 Bitumen coated pile installation
46 Design of caissons
46.1 Brief history of caissons
46.2 Machine digging
46.3 Caisson design in clay soil
46.4 Meyerhoff´s equation for caissons
46.5 Belled caisson design
46.6 Caisson design in rock
47 Design of pile grounp
47.1 Soil disturbance during driving
47.2 Soil compaction in sandy soil
47.3 Pile bending
47.4 End bearing piles
