السلام عليكم ورحمة الله وبركاته
اعضاء مدونة المهندس المدني الكرام
Concrete Engineering Construction Handbook
اهلا وسهلا باعضاء مدونة المهندس المدني
سنتحدث في هذا الموضوع عن كتاب
Concrete Engineering Construction Handbookويعرض الكتاب الموضوعات الاتية
1 Concrete Constituent Materials Sidney Mindess ........................................................................... 1-1
1.1 Introduction................................................................................................................................... 1-1
1.2 Portland Cement............................................................................................................................ 1-2
1.3 Modified Portland Cements.......................................................................................................... 1-9
1.4 High-Alumina Cement................................................................................................................ 1-10
1.5 “Green” Cements ......................................................................................................................... 1-11
1.6 Performance of Different Cements in Concrete........................................................................ 1-11
1.7 Water............................................................................................................................................. 1-12
1.8 Water/Cement Ratio.................................................................................................................... 1-12
1.9 Aggregates..................................................................................................................................... 1-14
1.10 Reinforcement.............................................................................................................................. 1-21
1.11 Durability Considerations........................................................................................................... 1-23
References ................................................................................................................................................ 1-26
2 Mineral Admixtures V.M. Malhotra ................................................................................................. 2-1
2.1 Fly Ash ............................................................................................................................................ 2-1
2.2 Blast-Furnace Slag........................................................................................................................ 2-18
2.3 Silica Fume ................................................................................................................................... 2-29
2.4 Highly Reactive Metakaolin ........................................................................................................ 2-38
References ................................................................................................................................................ 2-42
3 Chemical Admixtures David P. Whitney.......................................................................................... 3-1
3.1 Introduction to Chemical Admixtures......................................................................................... 3-1
3.2 Retarding Admixtures.................................................................................................................... 3-2
3.3 Water-Reducing Admixtures......................................................................................................... 3-3
3.4 High-Range, Water-Reducing Admixtures................................................................................... 3-5
3.5 Accelerating Admixtures................................................................................................................ 3-7
3.6 Air-Entraining Admixtures ......................................................................................................... 3-10
3.7 Antifreezing Admixtures ............................................................................................................. 3-12
3.8 Antiwashout Admixtures............................................................................................................. 3-13
3.9 Shrinkage-Reducing Admixtures ................................................................................................ 3-14
3.10 Polymer Modifier Admixtures .................................................................................................... 3-14
3.11 Alkali–Silica Reaction Prevention Admixtures .......................................................................... 3-18
3.12 Conclusion ................................................................................................................................... 3-18
References ................................................................................................................................................ 3-18
4 Long-Term Effects and Serviceability Edward G. Nawy and Hani Nassif................................... 4-1
4.1 Creep and Shrinkage Deformations in Concrete........................................................................ 4-1
4.2 Creep Deformations in Concrete ................................................................................................. 4-2
4.3 Creep Prediction ............................................................................................................................ 4-6
4.4 Shrinkage in Concrete................................................................................................................. 4-10
4.5 Strength and Elastic Properties of Concrete vs. Time .............................................................. 4-16
4.6 Serviceability Long-Term Considerations.................................................................................. 4-18
vi Concrete Construction Engineering Handbook
4.7 Long-Term Shrinkage and Temperature Reinforcement Controlling
Cracking between Joints in Walls and Slabs of Liquid-Retaining Structures ......................... 4-34
4.8 Autogenous Shrinkage in Early-Age Concrete .......................................................................... 4-35
Acknowledgments ................................................................................................................................... 4-35
References ................................................................................................................................................ 4-37
5 Properties and Performance of Normal-Strength
and High-Strength Concrete Steven H. Kosmatka ......................................................................... 5-1
5.1 Introduction ................................................................................................................................... 5-2
5.2 Workability, Bleeding, and Consolidation ................................................................................... 5-2
5.3 Mixing, Transporting, and Placing Concrete............................................................................... 5-6
5.4 Permeability.................................................................................................................................. 5-10
5.5 Carbonation ................................................................................................................................. 5-10
5.6 Early-Age Characteristics and Strength...................................................................................... 5-12
5.7 Density.......................................................................................................................................... 5-16
5.8 Abrasion Resistance ..................................................................................................................... 5-17
5.9 Volume Change and Crack Control........................................................................................... 5-20
5.10 Deformation and Creep .............................................................................................................. 5-21
5.11 Concrete Ingredients ................................................................................................................... 5-22
5.12 Proportioning of Concrete Mixtures.......................................................................................... 5-31
5.13 Hot and Cold Weather Concreting ............................................................................................ 5-32
5.14 Control Tests ................................................................................................................................ 5-33
5.15 Freeze–Thaw and Deicer Scaling Resistance.............................................................................. 5-34
5.16 Sulfate-Resistant Concrete........................................................................................................... 5-35
5.17 Corrosion Protection................................................................................................................... 5-37
5.18 Alkali–Silica Reaction .................................................................................................................. 5-39
5.19 Heat-Induced Delayed Expansion .............................................................................................. 5-42
5.20 Self-Consolidating Concrete ....................................................................................................... 5-43
5.21 Related ASTM Standards............................................................................................................. 5-43
References ................................................................................................................................................ 5-44
6 Design and Placement of Concrete Mixtures................................................................................. 6-1
Part A. Design of Concrete Mixtures Edward G. Nawy ...................................................................... 6-2
6.1 General............................................................................................................................................ 6-2
6.2 Selection of Constituent Materials ............................................................................................... 6-2
6.3 Mixture Proportioning for High-Performance, Normal-Strength Concrete
(Cylinder Compressive Strength Limit 6000 psi)........................................................................ 6-9
6.4 Mixture Proportioning for High-Performance, High-Strength Concrete
(Cylinder Compressive Strength Exceeding 6000 psi) .............................................................. 6-18
Part B. Applications and Constructability Jaime Moreno and John Albinger................................... 6-30
6.5 Applications and Constructability with an Emphasis
on High-Strength, High-Performance Concrete ....................................................................... 6-30
6.6 Job-Site Control ........................................................................................................................... 6-41
6.7 Testing........................................................................................................................................... 6-41
Acknowledgments ................................................................................................................................... 6-43
References ................................................................................................................................................ 6-43
7 Design and Construction of Concrete Formwork David W. Johnston ..................................... 7-1
7.1 Introduction ................................................................................................................................... 7-2
7.2 Types of Formwork........................................................................................................................ 7-5
7.3 Formwork Standards and Recommended Practices.................................................................. 7-17
7.4 Loads and Pressures on Formwork ............................................................................................ 7-23
7.5 Formwork Design Criteria .......................................................................................................... 7-27
7.6 Formwork Design ........................................................................................................................ 7-35
7.7 Slab-Form Design Example ........................................................................................................ 7-38
7.8 Wall-Form Design Example........................................................................................................ 7-43
References ................................................................................................................................................ 7-49
Contents vii
8 Construction Loading in High-Rise Buildings S.K. Ghosh........................................................ 8-1
8.1 Introduction................................................................................................................................... 8-1
8.2 Construction Loads ....................................................................................................................... 8-1
8.3 Properties of Concrete at Early Ages.......................................................................................... 8-19
8.4 Strength Consequences of Construction Loads ........................................................................ 8-37
8.5 Serviceability Consequences of Construction Loads ................................................................ 8-47
8.6 Codes and Standards ................................................................................................................... 8-55
References ................................................................................................................................................ 8-58
9 Deflection of Concrete Members Russell S. Fling and Andrew Scanlon....................................... 9-1
9.1 Introduction................................................................................................................................... 9-1
9.2 Elastic Calculation Methods ......................................................................................................... 9-2
9.3 Other Calculation Considerations................................................................................................ 9-6
9.4 Factors Affecting Deflection........................................................................................................ 9-10
9.5 Reducing Deflection of Concrete Members .............................................................................. 9-16
9.6 Allowable Deflections .................................................................................................................. 9-20
References ................................................................................................................................................ 9-22
10 Structural Concrete Systems Scott W. McConnell......................................................................... 10-1
10.1 Overview....................................................................................................................................... 10-2
10.2 Building Loads ............................................................................................................................. 10-3
10.3 Composite Steel–Concrete Construction................................................................................... 10-7
10.4 Foundations................................................................................................................................ 10-10
10.5 Structural Frames ...................................................................................................................... 10-14
10.6 Concrete Slab and Plate Systems .............................................................................................. 10-17
10.7 Liquid-Containing Structures................................................................................................... 10-23
10.8 Mass Concrete............................................................................................................................ 10-26
10.9 On-Site Precasting and Tilt-Up Construction......................................................................... 10-28
10.10 Lift-Slab Construction............................................................................................................... 10-30
10.11 Slip-Form Construction............................................................................................................ 10-33
10.12 Prestressed Concrete.................................................................................................................. 10-37
Acknowledgments ................................................................................................................................. 10-40
References .............................................................................................................................................. 10-40
11 Construction of Prestressed Concrete Ben C. Gerwick, Jr. ........................................................ 11-1
11.1 Introduction................................................................................................................................. 11-2
11.2 Concrete and Its Components.................................................................................................... 11-4
11.3 Reinforcement and Prestressing Systems ................................................................................... 11-8
11.4 Special Provisions for Prestressed Concrete Construction..................................................... 11-13
11.5 Post-Tensioning Technology ..................................................................................................... 11-19
11.6 Pretensioning Technology ......................................................................................................... 11-24
11.7 Prestressed Concrete Buildings................................................................................................. 11-29
11.8 Prestressed Concrete Bridges .................................................................................................... 11-33
11.9 Prestressed Concrete Piling....................................................................................................... 11-46
11.10 Tanks and Other Circular Structures ....................................................................................... 11-54
11.11 Prestressed Concrete Sleeper (Ties) ......................................................................................... 11-55
11.12 Prestressed Concrete Floating Structures................................................................................. 11-56
11.13 Prestressed Concrete Pavements............................................................................................... 11-58
11.14 Maintenance, Repair, and Strengthening of Existing Prestressed Concrete Structures........ 11-58
11.15 Demolition of Prestressed Concrete Structures ...................................................................... 11-60
11.16 The Future of Prestressed Concrete Construction.................................................................. 11-61
Acknowledgments ................................................................................................................................. 11-62
References .............................................................................................................................................. 11-62
viii Concrete Construction Engineering Handbook
12 Unbonded Post-Tensioning System Technology
in Building Construction Florian G. Barth................................................................................... 12-1
12.1 Developments in Unbonded Post-Tensioning........................................................................... 12-1
12.2 General Notes and Standard Details .......................................................................................... 12-6
12.3 Evaluation and Rehabilitation of Building Structures .............................................................. 12-22
12.4 Demolition of Post-Tensioned Structures ............................................................................... 12-36
12.5 Defining Terms........................................................................................................................... 12-42
References .............................................................................................................................................. 12-44
13 Concrete for Offshore Structures George C. Hoff........................................................................ 13-1
13.1 Introduction................................................................................................................................. 13-1
13.2 Types of Concrete Structures...................................................................................................... 13-2
13.3 Concrete Quality........................................................................................................................ 13-18
13.4 Concrete Materials..................................................................................................................... 13-19
13.5 Concrete Properties ................................................................................................................... 13-22
13.6 Design Considerations .............................................................................................................. 13-24
13.7 Safety Considerations................................................................................................................ 13-25
13.8 Construction Practices .............................................................................................................. 13-25
13.9 Construction Locations............................................................................................................. 13-26
13.10 Marine Operations .................................................................................................................... 13-31
13.11 Cost Considerations .................................................................................................................. 13-31
13.12 Summary .................................................................................................................................... 13-31
References .............................................................................................................................................. 13-32
14 Foundations for Concrete Structures Manjriker Gunaratne...................................................... 14-1
14.1 Foundation Engineering.............................................................................................................. 14-1
14.2 Site Exploration.......................................................................................................................... 14-27
14.3 Shallow Footings........................................................................................................................ 14-32
14.4 Mat Footings .............................................................................................................................. 14-37
14.5 Retaining Walls........................................................................................................................... 14-43
14.6 Pile Foundations ........................................................................................................................ 14-57
14.7 Caissons and Drilled Piers ........................................................................................................ 14-76
References .............................................................................................................................................. 14-79
15 Specialized Construction Applications Husam S. Najm............................................................ 15-1
15.1 Introduction................................................................................................................................. 15-2
15.2 Preplaced-Aggregate Concrete .................................................................................................... 15-2
15.3 Underwater Concrete .................................................................................................................. 15-6
15.4 Vacuum Processing.................................................................................................................... 15-13
15.5 Portland Cement Plaster Construction.................................................................................... 15-16
15.6 Self-Consolidating Concrete (SCC) ......................................................................................... 15-19
15.7 Mass Concrete............................................................................................................................ 15-22
15.8 Roller-Compacted Concrete...................................................................................................... 15-23
Acknowledgment................................................................................................................................... 15-26
References .............................................................................................................................................. 15-26
16 Structural Concrete Repair