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207.3R-94: Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions (Reapproved 2008), 1994
- MAIN MENU
- CONTENTS
- CHAPTER 1— INTRODUCTION [Go to Page]
- 1.1—Scope
- 1.2—Objective
- 1.3—Report
- CHAPTER 2— PRE-INSPECTION AND IN- SERVICE INSPECTION [Go to Page]
- 2.1—Preconstruction evaluation [Go to Page]
- 2.1.1 Project description documents [Go to Page]
- 2.1.1.1
- 2.1.1.2
- 2.1.1.3
- 2.1.2 Contract documents [Go to Page]
- 2.1.2.1
- 2.1.2.2
- 2.1.2.3
- 2.1.3 Regional data [Go to Page]
- 2.1.3.1
- 2.1.3.2
- 2.1.3.3
- 2.1.3.4
- 2.1.3.5
- 2.1.4 Site subsurface data [Go to Page]
- 2.1.4.1
- 2.1.4.2
- 2.1.4.3
- 2.1.4.4
- 2.1.4.5
- 2.1.4.6
- 2.1.5 Site surface data [Go to Page]
- 2.1.5.1 [Go to Page]
- 2.1.5.1.a
- 2.1.5.1.b
- 2.1.6 Drainage [Go to Page]
- 2.1.6.1
- 2.1.7 Environmental [Go to Page]
- 2.1.7.1
- 2.1.7.2
- 2.1.7.3
- 2.1.7.4
- 2.1.7.5
- 2.2—Design criteria [Go to Page]
- 2.2.1 Design memorandum or report
- 2.2.2 Values of static and intermittent loadings, wind,
temperature, impact, loads
- 2.2.3 For hydraulic structures: hydrostatic and hydrodynamic
loads
- 2.2.4 Type of analysis: static, dynamic
- 2.3—Concrete laboratory records [Go to Page]
- 2.3.1 Materials used [Go to Page]
- 2.3.1.1 [Go to Page]
- 2.3.1.1.a
- 2.3.1.1.b
- 2.3.1.2
- 2.3.1.2.a
- 2.3.1.2.b
- 2.3.1.3 [Go to Page]
- 2.3.1.3.a
- 2.3.1.3.b
- 2.3.1.3.c
- 2.3.1.3.d
- 2.3.1.3.e
- 2.3.1.4
- 2.3.2 Concrete records [Go to Page]
- 2.3.2.1
- 2.3.2.2
- 2.3.2.3
- 2.3.2.4
- 2.3.2.5
- 2.3.2.6
- 2.3.2.7
- 2.4—Batch plant and field inspection records [Go to Page]
- 2.4.1 Storage and processing of aggregates [Go to Page]
- 2.4.1.1
- 2.4.1.2
- 2.4.1.3
- 2.4.2 Cement, pozzolan, and admixture storage and
handling
- 2.4.3 Forms [Go to Page]
- 2.4.3.1
- 2.4.3.2
- 2.4.3.3
- 2.4.4 Preparation and condition of construction joints
- 2.4.5 Mixing operation [Go to Page]
- 2.4.5.1
- 2.4.5.2
- 2.4.5.3
- 2.4.5.4
- 2.4.5.5
- 2.4.5.6
- 2.4.6 Method of transporting concrete: Pumps, chutes,
conveyor belts, trucks, buckets, etc.
- 2.4.7 Method of placing concrete [Go to Page]
- 2.4.7.1
- 2.4.7.2
- 2.4.8 Concrete protection [Go to Page]
- 2.4.8.1
- 2.4.8.2
- 2.4.8.3
- 2.5—Operation and maintenance records [Go to Page]
- 2.5.1 Operation records [Go to Page]
- 2.5.1.1
- 2.5.1.2
- 2.5.1.3 [Go to Page]
- 2.5.1.3.a
- 2.5.1.3.b
- 2.5.1.3.c
- 2.5.1.3.d
- 2.5.1.4
- 2.5.1.5
- 2.5.1.6
- 2.5.2 Maintenance records [Go to Page]
- 2.5.2.1
- 2.5.2.2
- 2.5.2.3
- 2.5.2.4
- 2.5.2.5
- 2.6—In-service inspections [Go to Page]
- 2.6.1 General
- 2.6.2 Routine inspections
- 2.6.3 Periodic inspections
- 2.6.4 Inspection reports and records
- CHAPTER 3— IN-SITU CONDITION SURVEYS AND TESTING [Go to Page]
- 3.1—Surface damage surveys [Go to Page]
- 3.1.1 Surface mapping [Go to Page]
- 3.1.1.1 Scope
- 3.1.1.2 Procedure
- 3.1.2 Crack surveys [Go to Page]
- 3.1.2.1 Scope
- 3.1.2.2 Procedure
- 3.2—Joint surveys
- 3.3—Vibration load testing
- 3.4—In-situ stress determinations [Go to Page]
- 3.4.1 Overcoring
- 3.4.2 Other methods
- 3.5—Supplemental instrumentation [Go to Page]
- 3.5.1 Extensometer points
- 3.5.2 Borehole extensometers
- 3.5.3 Joint meter
- 3.5.4 Electrolevel
- 3.5.5 Cased inclinometer
- 3.5.6 Tilt-measuring instruments
- 3.5.7 Observation wells
- 3.5.8 Piezometer
- 3.5.9 Vertical and horizontal control
- 3.5.10 Weir/flume
- 3.5.11 Thermocouple/resistance thermometer
- 3.5.12 Plumb bob
- 3.6—Geophysical logging
- 3.7—Down-hole video camera
- 3.8—Seepage monitoring
- 3.9—Nondestructive testing [Go to Page]
- 3.9.1 General
- 3.9.2 Surveying techniques [Go to Page]
- 3.9.2.1 Rebound hammer
- 3.9.2.2 Probe penetration
- 3.9.2.3 Pulse velocity
- 3.9.2.4 Acoustic echo techniques
- 3.9.2.5 Radar
- CHAPTER 4— SAMPLING AND LABORATORY TESTING [Go to Page]
- 4.1— Core drilling and testing [Go to Page]
- 4.1.1 Strength and elastic property determination [Go to Page]
- 4.1.1.1 Standard tests
- 4.1.1.2 Other tests [Go to Page]
- 4.1.1.2.a Dynamic loading
- 4.1.1.2.b Seismic loading
- 4.2—Petrographic analysis [Go to Page]
- 4.2.1 Sampling
- 4.2.2 Visual examination
- 4.2.3 Petrographic microscopy
- 4.2.4 Other petrographic methods
- 4.3—Chemical analysis
- 4.4—Physical tests
- 4.5—Report [Go to Page]
- 4.5.1 Location, elevation, and orientation of cores tested
- 4.5.2 List of physical and chemical tests and their results
- 4.5.3 Photographs of cores as received, photographs and
photomicrographs of features of interest, and photomicrographs
of thin sections
- 4.5.4 Conclusions based on test results of condition of
concrete
- CHAPTER 5— DAMAGE [Go to Page]
- 5.1— Origin of distress [Go to Page]
- 5.1.1 Temperature and shrinkage surface cracks
- 5.1.2 Structural cracking
- 5.1.3 Cavitation erosion and abrasion
- 5.1.4 Cement-aggregate reaction
- 5.1.5 Environmental distress
- 5.1.6 Physical and thermal properties
- 5.2—Considerations for repair and rehabilitation [Go to Page]
- 5.2.1 Estimated service life
- 5.2.2 Eliminating the cause
- 5.2.3 Surface protection
- 5.2.4 Restoring structural integrity
- CHAPTER 6— REPORT [Go to Page]
- 6.1— General
- 6.2—Contents of report [Go to Page]
- 6.2.1 Description of the project
- 6.2.2 Pertinent design criteria for structures of project
- 6.2.3 Summary of data collected [Go to Page]
- 6.2.3.1 Existing records
- 6.2.3.2 Visual inspection of concrete
- 6.2.3.3 Analysis of existing instrumentation, investigations,
inspections, and test records
- 6.2.3.4 Results and analyses of new investigations and
test data
- 6.2.4 Summary evaluation of concrete [Go to Page]
- 6.2.4.1 Evaluation of portions of structures not
requiring immediate repair
- 6.2.4.2 Evaluation of portions of structures requiring
immediate repair
- 6.2.4.3 Alternative methods of repair
- CHAPTER 7— REFERENCES [Go to Page]
- 7.1— Recommended references
- 7.2—Cited references [Go to Page]
