Table of Contents
Chapter 1. Materials
Testing Overview.
1-1 Materials Tests.1-1 Soil Properties .1-2
Classifications .1-2 Design Requirements.1-2
Bitumens.1-2 Concrete .1-3 Stabilization .1-3
Equipment .1-3 Test Set, Soil (SC
6635-98-CL-E02).1-3 Test Set, Asphalt (SC
6635-98-CL-E03).1-4 Test Set, Concrete (SC
6635-98-CL-E04) .1-4 Nuclear Moisture Density
Gauge .1-4 Safety and Environmental
Considerations.1-4
Chapter 2, Soils, part 1. .
2-1 Section I. Formation, Classification, and
Field Identification. 2-1 Soil Formation. 2-1
Rocks .2-1 Strata .2-2 Physical Properties
.2-2 Grain or Particle Size .2-3 Grain or
Particle Shape.2-3 Gradation .2-4 Density
.2-5 Specific Gravity.2-5 Moisture .2-6
Consistency. 2-7 Organic Soil . 2-8 Effects
of Soil Characteristics . 2-8 Soil
Classification . 2-8 Classification. 2-9
Categories. 2-9 Identification of Soil
Groups. 2-12 Field Identification . 2-13 Test
Equipment. 2-14 Test Factors. 2-14
Soil-Description Example . 2-15
Field-Identification Tests . 2-15 Visual
Test. 2-15 Odor Test . 2-19 Sedimentation
Test . 2-19 Bite or Grit Test . 2-21 Feel
Test . 2-21 Roll or Thread Test . 2-22 Wet
Shaking Test. 2-23 Breaking or Dry-Strength
Test . 2-24 Ribbon Test. 2-25 Shine Test.
2-25 Section II. Soil Surveys and Sampling.
2-26 Types of Soil Surveys. 2-26 Hasty
Survey. 2-27 Deliberate Survey . 2-27
Objective of a Soil Survey. 2-27 Location,
Nature, and Classification of Soil Layers.
2-27 Condition of Soils in Place . 2-27
Drainage Characteristics. 2-28 Groundwater
and Bedrock. 2-28 Sources of Information .
2-28 Intelligence Reports . 2-28 Local
Inhabitants . 2-28 Maps. 2-29 Aerial
Photographs . 2-30 Field Investigations .
2-31 Sampling Methods . 2-31 Preparing
Samples. 2-32 Recording Samples. 2-33
Obtaining Representative Soil Samples . 2-34
Moisture-Content Samples. 2-38 Undisturbed
Samples . 2-38 Chunk Samples . 2-39 Cylinder
Samples . 2-43 Quartering Samples . 2-48
Samples Weighing Over 100 Pounds . 2-48
Samples Weighing 25 to 100 Pounds . 2-48
Samples Weighing Less Than 25 Pounds . 2-50
The Soil Profile . 2-50 Purpose.2-50
Equipment.2-51 Steps.2-52 Section III.
Moisture-Content Determination .2-54 Oven-Dry
Method (ASTM D 2216-90).2-55 Purpose.2-55
Equipment.2-55 Steps.2-55 Calcium-Carbide-Gas
Pressure Method (AASHTO T 217-1986).2-57
Purpose.2-58 Equipment.2-58 Steps.2-58
Calculations .2-59 Example .2-59
Chapter 2, Soils, part 2. .
2-62 Section IV. Specific-Gravity-of-Solids
Determination (ASTM D 854-92) .2-62 Specific
Gravity of Soil or Solids .2-62
Specific-Gravity Test.2-62 Purpose.2-63
Equipment.2-63 Steps.2-64 Apparent and Bulk
Specific Gravity .2-69 Section V. Grain-Size
Analysis and Distribution (ASTM D 422-63 and
ASTM 2217-85) .2-70 Sieve Analysis
(Mechanical Analysis).2-70 Purpose.2-71
Equipment.2-71 Steps.2-72 Hydrometer Analysis
.2-79 Purpose.2-79 Equipment.2-79 Steps.2-80
Presentation of Results .2-87 Section VI.
Liquid Limit, Plastic Limit, and Plasticity
Index Determination (ASTM D 4318-95a) .2-89
LL Determination .2-90 Purpose.2-90
Equipment.2-90 Steps.2-92 PL Determination
.2-98 Purpose.2-98 Equipment.2-98 Steps.2-98
PI Determination .2-100 Section VII.
Laboratory Compaction Characteristics of Soil
Using Modified Effort (Compaction Test) (ASTM
D 1557-91) .2-101 Compaction Test.2-102
Purpose.2-102 Equipment.2-103 Steps.2-104
Compaction-Test Graph-Presentation of
Results. 2-109 Compaction Curve. 2-109 Zero
Air Voids and Saturation . 2-111 Percent
Moisture. 2-112 Percent Compaction . 2-112
Compaction-Specification Block . 2-112 Effect
of Water on Density. 2-113 Effect of
Different Compactive Efforts on Density.
2-114 Effect of Different Types of Soils on
Density. 2-115 Compaction Equipment . 2-115
Other Compactive Efforts . 2-116 Section
VIII. In-Place Density Determination . 2-116
Sand-Cone or Sand-Displacement Method (ASTM D
1556-90) . 2-117 Purpose . 2-118 Equipment .
2-118 Steps . 2-119 Nuclear
Moisture-and-Density Tester. 2-123
Water-Displacement Method . 2-124 Section IX.
CBR Tests . 2-124 CBR of Laboratory-Compacted
Soils (ASTM D 1883-94) . 2-125 Purpose .
2-125 Equipment . 2-125 Steps . 2-127
Undisturbed Sample Testing . 2-135 In-Place
Field CBR Testing. 2-135 Presentation and
Analysis of CBR Data . 2-135 Test Program for
Nonswelling Soils. 2-135 Test Program for
Swelling or Expansive Soils . 2-146 Test
Program for Free-Draining Soils . 2-151
Section X. Technical Soils Report . 2-153
Soils Tests Required . 2-153 Purpose of the
Report . 2-153 Organization and Scope of the
Tests. 2-154 Soils Technical Report. 2-155
Purpose . 2-156 Equipment . 2-156 Outline .
2-156
Chapter 3. Bituminous
Mixtures .
3-1 Section I. Bituminous Pavements/Surfaces.
3-1 Aggregates. 3-1 Bituminous Materials. 3-1
Asphalts . 3-2 Tars . 3-6 Characteristics and
Uses of Bitumens . 3-7 Safety Precautions .
3-7 Advantages and Disadvantages . 3-11
Section II. Sampling Materials . 3-12
Bituminous Materials Sampling (ASTM D
140-88). 3-12 Liquid Materials. 3-12 Solid
and Semisolid Materials .3-12 Aggregate
Sampling (ASTM D 75-87).3-12 Stone From
Ledges and Quarries .3-13 Natural Deposits of
Sand and Gravel.3-13 Stockpiles .3-14
Commercial Aggregates .3-14 Section III.
Field Identification .3-14 Bitumen
Field-Identification Tests .3-14 Asphalts and
Tars.3-16 Asphalt Cement and Cutbacks .3-16
Asphaltic-Cutback Tests .3-16
Asphalt-Emulsion (Anionic) Tests .3-18
Road-Tar Tests.3-18 Aggregate Identification
and Selection.3-19 Shape and Roughness.3-19
Hardness and Durability.3-19 Cleanliness.3-20
Hydrophobicity.3-20 Gradation .3-21 Particle
Size .3-21 Section IV. Bitumen Testing .3-22
Specific-Gravity Test (ASTMs C 127-88 and C
128-93) .3-22 Flash-Point and Fire-Point
Tests .3-24 Flash Point and Fire Point by
Cleveland Open Cup .3-24 Flash Point by Tag
Open Cup (ASTM D 4552-87).3-25 Penetration
Test (ASTM D 5-86).3-27 Equipment.3-27
Steps.3-27 Results.3-29 Ductility Test.3-29
Softening-Point Test .3-30 Viscosity
Tests.3-30 Saybolt-Furor Test (ASTM D
244-89).3-30 Kinematic-Viscosity Test (ASTM D
2170-85) .3-30 Solubility Test (ASTM D
2042-81) .3-30 Spot Test .3-31 Thin-Film Oven
Test (ASTM D 1754-87).3-31 Section V.
Aggregate and Filler Testing .3-31 Sieve
Analysis .3-32 Mineral Filler (ASTM D
242-85).3-32 Fine and Coarse Aggregate
(Washed) (ASTMs D 1073-88, D 448-86, and D
692-88) .3-32 Specific Gravity .3-32 Apparent
Specific Gravity of Coarse Aggregate .3-33
Apparent Specific Gravity of Fine Aggregate
(Calibrated Flask).3-34 Apparent Specific
Gravity of Fine Aggregate (Uncalibrated
Flask).3-36 Specific Gravity of
Bulk-Impregnated Aggregate.3-37 Specific
Gravity of Mineral Filler .3-39 Los Angeles
Abrasion Test.3-39 Section VI. Bituminous-Mix
Design .3-40 Hot-Mix Design Considerations
.3-40 Steps . 3-40 Variables. 3-41 Blends .
3-41 Optimum Bitumen Content . 3-41 Gyratory
Test Method. 3-41 Marshall Test Method (ASTM
D 1559-89). 3-46 Surface-Area Method . 3-59
Job-Mix Formula . 3-60 Section VII. Plant
Control. 3-64 Plant Types . 3-64 High-Type
Bituminous Paving Plant. 3-64
Intermediate-Type Plants. 3-66 Initiating
Plant Production. 3-66 Sieve Analysis . 3-66
Mix Redesign. 3-66 Controlling Plant
Production. 3-66 Gyratory Test Control. 3-67
Marshall Test Control. 3-68 Plant-Control
Execution . 3-69 Centrifugal-Extraction
Method (ASTM D 2172-88) . 3-69 Purpose . 3-69
Equipment . 3-69 Steps . 3-70 Calculations.
3-72 Sieve Analysis of Aggregate . 3-72
Testing Tar or Tar-Rubber Mixes . 3-72
Density Tests . 3-72 Expediting the Design.
3-74
Chapter 4. Concrete .
4-1 Section I. Characteristics and
Identification. 4-1 Description and
Components . 4-1 Cement. 4-1 Air-Entrained
Cement . 4-2 Water . 4-3 Aggregates . 4-3
Properties of Concrete . 4-4 Strength. 4-4
Durability . 4-5 Watertightness. 4-5
Workability. 4-6 Consistency. 4-6 Uniformity
. 4-6 Concrete Curing. 4-6 Temperature. 4-6
Moisture. 4-7 Concrete Admixtures . 4-7
Accelerators . 4-8 Retarders . 4-8
Air-Entraining Agents . 4-8 Water Reducers
(Plasticizers) .4-9 Section II. Aggregate
Testing .4-9 Stockpile Sampling (ASTM D
75-87) .4-10 Gradation Determination .4-10
Apparatus, Test Procedures, and
Calculations.4-11 Material Finer Than 0.75
Millimeters (No. 200 Sieve) .4-11 Fineness
Modulus.4-13 Tests for Specific Gravity,
Absorption, and Surface Moisture .4-13
Specific Gravity and Absorption of Coarse
Aggregate (ASTM C 127-88).4-13 Specific
Gravity of Fine Aggregate (ASTM C 128-93)
.4-15 Coarse- and Fine-Aggregate Absorption
.4-16 Surface Moisture.4-17 Section III.
Fresh-Concrete Tests .4-17 Slump Test (ASTM C
143-90a).4-18 Equipment.4-18 Steps.4-18
Supplementary Test Procedure .4-20
Air-Content Test (ASTM 231-97) .4-20
Equipment.4-20 Steps.4-21 Section IV.
Flexural-Strength Test (Modulus of Rupture)
.4-21 Test Beams .4-21 Forming the Beams
(ASTM C 192-90a) .4-21 Taking the Specimens
.4-22 Curing the Beams.4-22 Flexural-Strength
Test (ASTM C 78-94) .4-22 Equipment.4-22
Steps.4-22 Section V. Compressive-Strength
Test .4-25 Casting a Concrete Cylinder.4-25
Equipment.4-25 Steps.4-26 Number of
Specimens.4-27 Curing and Storing Cylinders
.4-27 Capping Cylinders.4-28 Determining
Compressive Strength of a Cylindrical
Specimen (ASTM C 39-96) .4-28 Equipment.4-28
Steps.4-29
Chapter 5. Soil
Stabilization .
5-1 Section I. Mechanics of Soil
Stabilization and Modification .5-1
Stabilization .5-1 Uses of Stabilization.5-1
Methods of Stabilization.5-2 Modification.5-3
Section II. Stabilizing Agents .5-3 Types of
Stabilizers .5-3 Cement .5-3 Lime.5-4 Fly Ash
.5-4 Bituminous . 5-4 Combination . 5-4 Time
Requirements for Testing . 5-4 Stabilizer
Selection. 5-5 Equipment . 5-5 Steps . 5-5
Soil Stabilization in Frost Areas. 5-6
Limitations . 5-6 Construction Cutoff. 5-7
Weather . 5-7 Pick-and-Click Tests. 5-7
Wet-Dry and Freeze-Thaw Tests . 5-7
Preparation. 5-8 Wet-Dry Test Procedure . 5-8
Freeze-Thaw Test Procedure. 5-8 Calculations
and Criteria . 5-8 Modified Mix Design for
Sandy Soils. 5-10 Soils with No Material
Retained on the No. 4 Sieve. 5-11 Soils with
Material Retained on the No. 4 Sieve. 5-13
Appendix A. Metric Conversion Chart . A-1
Appendix B. The Unified Soil Classification
System . B-1 Basis of the USCS.B-1 Purpose
and Scope .B-1 Definitions of Soil Components
.B-2 The Classification System.B-2 Soil
Groups and Group Symbols .B-4 Identification
of Soil Groups.B-8 Laboratory
Identification.B-9 Major Soil Groups .B-9
Characteristics of Soil Groups Pertaining to
Embankments and Foundations.B-15 Features on
the Soils-Classification Sheet .B-15
Graphical Presentation of Soils Data.B-22
Characteristics of Soil Groups Pertaining to
Roads and Airfields.B-23 Features on the
Soils-Classification Sheet .B-23 Graphical
Presentation of Soils Data.B-26 Glossary .
Glossary-1 References. References-1
Index.Index-1