Control of Cracking in Reinforced Concrete Structures

Control of Cracking in Reinforced Concrete Structures

PDF Free Download | Control of Cracking in Reinforced Concrete Structures by Francis Barre, Philippe Bisch, Danièle Chauvel, Jacques Cortade, Jean-François Coste, Jean-Philippe Dubois, Silvano Erlicher, Etienne Gallitre, Pierre Labbé, Jacky Mazars, Claude Rospars, Alain Sellier, Jean-Michel Torrenti, and François Toutlemonde

Contents of Control of Cracking in Reinforced Concrete Structures

  • Chapter 1. CEOS fr Project Presentation
  • CEOS fr work program
  • Testing
  • Tests on prismatic full-scale blocks
  • Tests on scale beams
  • Tests on scale shear walls
  • Tests on ties
  • Modeling and simulation
  • MEFISTO research program
  • Benchmarks and workshops
  • Numerical experiments
  • Engineering
  • Database and specimen storage
  • Database CHEOPS
  • Specimen storage (Renardières site)
  • Chapter 2. Hydration Effects of Concrete at
  • an Early Age and the Scale Effect
  • Hydration effects of concrete at an early age
  • Global heating and cooling of a concrete element
  • Control of Cracking in Reinforced Concrete Structures
  • Differential temperature between
  • concrete core and surface
  • Scale effect
  • Scale effect principle
  • Calculating scale effect according to Weibull theory
  • Worked examples of calculation with the scale effect according to the Weibull model
  • Application of Weibull integral in bending and in tension
  • Chapter 3. Cracking of Ties
  • Design values and limit values
  • Adjusting the design value for verification purposes
  • Crack spacing equation
  • Linear equation
  • Relationship between the maximum spacing
  • Equation based on the MC bond-slip
  • relationship
  • Equation for the mean differential strain
  • Model accuracy when calculating the strain and crack width
  • Example of the application of the cracking equations to a concrete tie in tension
  • Chapter 4. Cracking of Beams Under
  • Mechanical Flexural Loading
  • Crack spacing
  • Crack width
  • Tensile stress–strain curve
  • Calculating the crack width from the relative strain
  • Calculating the crack width by interpolation
  • between uncracked and fully cracked conditions (the ζ method)
  • Examples
  • Example : calculation of crack spacing and
  • crack width in a thick concrete slab under heavy loads
  • Example : calculation of crack spacing and crack width in a double thick beam
  • Chapter 5. Cracking in Walls
  • Current status of the reference texts
  • Validity of the physical model and calculating of the crack angle
  • Calculation model
  • Crack spacing and slippage length
  • Mean differential strain
  • Calculating the crack width from reinforcing bar strains
  • Calculating the crack width in accordance with the strut and tie model
  • Recommendations for evaluating the cracking in walls subject to earthquake situations
  • Examples of application of cracking equations in a wall subjected to a shear stress in the plane of the wall
  • Chapter 6. Minimum Reinforcement of
  • Thick Concrete Elements
  • Reinforcement of reinforced concrete ties
  • Detailed calculation from a D approach
  • Simplified methodology for calculating concrete reinforcement
  • Reinforcement of prestressed concrete ties
  • Crack formation in an element in tension
  • Stabilized cracking stage in an element in tension
  • Reinforcement of beams
  • Beams under monotonic mechanical loading
  • Beams under imposed deformation and monotonic mechanical loading
  • Reinforcement of walls
  • Walls without specific requirements for cracking
  • Walls with specific requirements for cracking
  • Chapter 7. Shrinkage, Creep and Other Concrete Properties
  • Introduction
  • Strain
  • Definition
  • Control of Cracking in Reinforced Concrete Structures
  • Range of applicability
  • Initial strain at loading
  • Shrinkage
  • Autogenous shrinkage
  • Drying shrinkage
  • Creep
  • Assumptions and related basic equation
  • Basic creep
  • Drying creep
  • Experimental identification procedures
  • Initial strain at loading time
  • Shrinkage
  • Basic creep
  • Drying creep
  • Estimation of long-term delayed strain
  • Temperature effects on concrete properties
  • Temperature effects on instantaneous
  • concrete characteristics
  • Maturity
  • Thermal expansion
  • Compressive strength
  • Tensile strength
  • Fracture energy
  • Elasticity modulus
  • Temperature effects on the delayed deformations
  • Autogenous shrinkage
  • Drying shrinkage
  • Chapter 8. Cracking of Beams and Walls Subject to Restrained Deformations at SLS
  • Evaluation of shrinkage with bulk heating and cooling of concrete
  • Estimating and limiting crack widths
  • Estimating restraints at SLS
  • Approximate calculation of external restraint
  • Detailed calculation of a restraint on a wall
  • Estimation of stiffness
  • General comments
  • Simplified method
  • Principles of the detailed method
  • Worked example of a massive element thermal gradient
  • Chapter 9. Effects of Various Phenomena in Combination
  • Estimating crack width
  • Combining effects due to imposed deformations and deformations resulting from in-service loadings
  • Structures with water or air tightness requirements
  • Structures with durability requirements
  • Minimum reinforcement
  • Chapter 10. Numerical Modeling: a Methodological Approach
  • Scope
  • Methodology
  • Thermal and hydration effects
  • Drying
  • Mechanics
  • Hydration
  • Permanent basic creep
  • Reversible basic creep
  • Influence of temperature on the creep velocity
  • Shrinkage
  • Drying creep
  • Steel-concrete composite modeling
  • Statistical scale effect
  • Example simulation
  • Thermal and hydration simulation
  • Chapter 11. Recommendations for the use of Measurements on Mock-up Test Facilities and Structures
  • General methodology of the measurements
  • Preliminary general approach
  • Selection and choice of measuring devices
  • Method of measurement selection
  • Measurement data-mining and analysis
  • Mock-up measurements
  • Measurement of parameters
  • Data acquisition and storage
  • Measurement of structures
  • Preliminary measurements
  • Parameters to be measured
  • Equipment of the measurements
  • Formwork
  • Control of Cracking in Reinforced Concrete Structures
  • Example of measurement instrumentation on massive structures
  • Example of mock-up test instrumentation
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Control of Cracking in Reinforced Concrete Structures

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