Page 410 - Forensic Structural Engineering Handbook
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CHAPTER 12
CONCRETE STRUCTURES
W. Gene Corley, P.E., S.E., Ph.D.
INTRODUCTION 12.2
ENGINEERING PROPERTIES 12.2
Deformation Properties 12.2
Time-Dependent Properties 12.3
Bond Slip 12.5
Corrosion Properties 12.6
CODES AND STANDARDS 12.6
Historical Perspective 12.6
Possible Deficiencies 12.7
CRITICAL CHARACTERISTICS OF CONCRETE STRUCTURES 12.7
Plain Concrete 12.7
Reinforced Concrete 12.8
Prestressed Concrete 12.9
Precast Concrete 12.10
Steel-Concrete Composite Deck 12.10
Formwork, Shoring/Reshoring 12.10
METHODS OF ANALYSIS 12.11
Instantaneous Properties 12.11
Time-Dependent Properties 12.12
Inelastic Properties 12.12
METHODS OF TESTING MATERIALS, COMPONENTS, AND ASSEMBLIES 12.12
Field Load Tests 12.12
Laboratory Tests of Components 12.14
Petrography 12.16
Paste Carbonation as a Tool to Evaluate Relative Age of Cracks 12.17
Chemical Analysis 12.21
Nondestructive Testing 12.24
Impulse Radar 12.25
Impact Echo 12.25
Impulse Response 12.27
Half-Cell Potential 12.27
TYPES AND CAUSES OF COMMON NONPERFORMANCE AND FAILURES 12.29
Construction Failures 12.29
Overload 12.29
Corrosion 12.30
Post-tensioning 12.30
Misplaced Reinforcing Steel 12.30
TEMPORARY AND PERMANENT REMEDIAL REPAIRS 12.31
Shoring 12.31
External Prestressing 12.31
Supplemental Reinforcement 12.31
12.1
