Engineering Geology

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E n g i n e e r i n g G e o l o g y Table 5.2.—Cont’d. Unified Soil Classification. Fine soils. More than half of the material is smaller than No. 200 sieve size b Identification procedures on fraction smaller than No. 40 sieve size Group symbols a Typical names Toughness* Dry strength* Dilatancy* (consistency (crushing (reaction to near plastic characteristics) shaking) limit) Silts and clays None to slight Quick to slow None ML Inorganic silts liquid limit and very fine less than 50 sands, rock flour, silty or clayey fine sands with slight plasticity Medium to high None to Medium CL Inorganic clays of very slow low to medium plasticity, gravelly clays, sandy clays, silty clays, lean clays Slight to medium Slow Slight OL Organic silts and organic silt-clays of low plasticity Silts and clays Slight to medium Slow to none Slight to MH Inorganic silts liquid limit medium micaceous or greater than 50 diatomaceous fine sandy or silty soils, clastic silts b High to very None High CH Inorganic clays of high high plasticity, fat clays Medium to high None to Slight to OH Organic clays of very slow medium medium to high plasticity Highly organic Readily identified by colour, odour, spongy feel, and Pt Peat and other soils frequently by fibrous texture highly organic soils *See footnotes to Table 204
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Engineering Geology
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Engineering Geology Second Edition
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Preface As noted in the Preface to
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Contents 1. Rock Types and Stratigr
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Contents Field Instrumentation 344
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Chapter 1 Rock Types and Stratigrap
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Chapter 1 several tens of metres bu
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Chapter 1 Figure 1.4 Distribution o
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Chapter 1 Figure 1.5 Lapilli near C
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Chapter 1 Figure 1.7 (a) Ropy or pa
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Chapter 1 Figure 1.8 Columnar joint
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Chapter 1 Figure 1.9 Pegmatite vein
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Chapter 1 Figure 1.10 Thin section
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Chapter 1 Figure 1.11 An old quarry
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Chapter 1 a b Figure 1.13 (a) Gneis
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Chapter 1 and the types of country
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Chapter 1 A variety of minerals suc
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Chapter 1 metasomatic activity is c
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Chapter 1 derived by partial intras
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Chapter 1 character (are they irreg
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Chapter 1 the top. Individual grade
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Chapter 1 Figure 1.20 Thin section
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Chapter 1 Montmorillonite [(Mg,Al)
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Chapter 1 Figure 1.22 Salt teepees
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Chapter 1 The extent and regularity
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Chapter 1 the lowest bed in the upp
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Table 1.1. The geological timescale
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Chapter 1 The principal way in whic
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Chapter 2 Geological Structures The
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Chapter 2 (b) Figure 2.2 (a) Block
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Chapter 2 (b) Figure 2.4 (a) Types
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Chapter 2 Figure 2.6 Chevron fold i
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Chapter 2 direction of extension. T
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Chapter 2 Figure 2.9 Types of fault
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Chapter 2 Figure 2.11 (a) Repetitio
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Chapter 2 side of a fault are of di
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Chapter 2 Figure 2.14 Geometric ori
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Chapter 2 As joints represent surfa
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Chapter 2 (several metres). The int
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Chapter 2 Strength of Discontinuous
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Chapter 2 Table 2.5. Classification
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73 Figure 2.17 Discontinuity survey
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Chapter 2 Figure 2.19 Representatio
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Chapter 3 Surface Processes All lan
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Chapter 3 humid regions more than d
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Chapter 3 Figure 3.3 Honeycomb weat
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Chapter 3 less soluble than limesto
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Chapter 3 Figure 3.4 The slake-dura
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Chapter 3 Because weathering brings
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Chapter 3 Figure 3.6 Approaches to
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Chapter 3 Figure 3.7 Valley bulging
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Chapter 3 Internal slides are usual
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Chapter 3 Figure 3.8 A classificati
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Chapter 3 Figure 3.10 Block diagram
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Chapter 3 direct factor in causing
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Chapter 3 Figure 3.14 (a) Trellised
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Chapter 3 Throughout its length, a
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Chapter 3 Figure 3.17 (a) Paired ri
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Chapter 3 Figure 3.18 Component par
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Chapter 3 In the early stages of ri
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Chapter 3 Karst Topography and Unde
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Chapter 3 Figure 3.22 Appearance of
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Chapter 3 the surface throughout th
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Chapter 3 Figure 3.25 Drumlins, nea
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Chapter 3 barrier, the threshold, o
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Chapter 3 Most melt water streams t
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Chapter 3 Other small ridge-like ka
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Chapter 3 of perennially frozen gro
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Chapter 3 Wind Action Wind erosion
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Chapter 3 Figure 3.32 Buttes and me
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Chapter 3 areas in which there is e
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Chapter 3 commonly falls in both in
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Chapter 3 Figure 3.35 Terminology o
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Chapter 3 disrupts their pattern of
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Chapter 3 is extended out to sea. B
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Chapter 3 (a) (b) Figure 3.37 (Cont
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Chapter 3 Table 3.2. Average beach
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Figure 3.38 Hurst Castle Spit with
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Chapter 3 windspeeds of approximate
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Chapter 3 Free oscillations develop
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Chapter 4 Groundwater Conditions an
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Chapter 4 Figure 4.1 Map of part of
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Chapter 4 buried upper surface of a
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Chapter 4 Table 4.2. Soil suction p
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Chapter 4 The factors affecting the
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Chapter 4 Table 4.3. Some examples
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Chapter 4 Permeability and porosity
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Chapter 4 Flow through Soils and Ro
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Chapter 4 General Equation of Flow
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Chapter 4 and k h H / k + H / k + H
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Chapter 4 Figure 4.8 Standard piezo
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Chapter 4 velocity of the upward se
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Geological mapping frequently forms
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Chapter 4 As groundwater moves from
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Page 382: Chapter 4 Figure 4.10 Yield drawdow
Page 386: Chapter 4 Figure 4.11 Flow net bene
Page 390: Chapter 4 in sedimentary rocks. The
Page 394: Chapter 4 Figure 4.12 Gravel-packed
Page 398: Chapter 4 In addition, the fracture
Page 402: Chapter 4 to another as groundwater
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Page 410: Chapter 4 Many of the VOCs are liqu
Page 414: Chapter 4 Table 4.7. Composition of
Page 418: Chapter 4 Migration control is cons
Page 422: Description, Properties and Behavio
Page 426: Chapter 5 Table 5.2.—Cont’d. In
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E n g i n e e r i n g G e o l o g y
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248 Table 5.21. Some properties of
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252 Table 5.22. Rock type classific
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272 Table 5.33. Some physical prope
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274 Table 5.34. Geomechanical prope
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280 Table 6.1. Some properties of B
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282 Table 6.2. Some properties of B
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372 Table 7.7a. Excerpts from the e
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374 Table 7.7b. Key to the engineer
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390 Table 8.1. Modified Mercalli Sc
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412 Figure 8.15 (a) (b) (a) Rip-rap
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488 Table 9.4. The rock mass rating
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490 Table 9.6. Classification of in
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532 Table 9.8. Typical compaction c
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I n d e x coastal protection, 410,
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I n d e x grout, 526, 548 groutabil
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I n d e x rebound, 513 recumbent fo
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