207.3R-94: Practices for Evaluation of Concrete in Existing Massive Structures for Service Conditions (Reapproved 2008)

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Current Methods available for evaluating physical properties of concrete in existing structures to determine its capability of performing satisfactorily under service conditions are identified and discussed. The report recommends project design, operation and maintenance records, and in-service inspection data to be reviewed. Methods for evaluation of test and survey data are presented.

Keywords: Alkali-aggregate reaction; alkali-carbonate reaction; cavitation; cements; chemical analysis; concrete cores; concrete dams; concrete durability; cracking (fracturing); elastic properties; erosion; evaluation; extensometers; impact tests inspection; laboratories maintenance; mass concrete; non-destructive tests; nuclear power plants; post-tensioning; pozzolans; resurfacing sampling; seepage: serviceability; spalling. Static tests stresses; surveys; x-ray diffraction.


Document Details

Author: ACI Committee 207

Publication Year: 2002

Pages: 16

ISBN: 9780870314841

Categories: Mass Concrete

Formats: PDF

This document is Historical

Table of Contents

Chapter 1--Introduction

1.1 Scope

1.2 Objective

1.3 Report

Chapter 2--Review of preconstruction data, construction, operation and

maintenance records

2.1 Preconstruction evaluation

2.2 Design criteria

2.3 Concrete laboratory records

2.4 Batch plant and field inspection records

2.5 Operation and maintenance records

Chapter 3--Review of in-service inspections

3.1 General

3.2 Routine inspections

3.3 Periodic inspections

3.4 Inspection reports and records

Chapter 4--Condition surveys

4.1 Cracking surveys

4.2 Surface mapping

4.3 Core drilling and testing

4.4 Prototype seismic load tests

4.5 In-situ stress determinations

4.6 Supplemental instrumentation

4.7 Geophysical logging

4.8 Down hole TV camera

4.9 Seepage

4.10 Surface damage

4.11 Joint survey

Chapter 5--Nondestructive testing

5.1 Scope

5.2 Surveying techniques

Chapter 6--Identification of destructive phenomena

6.1 Petrographic analysis

6.2 Chemical analysis

6.3 Physical tests

6.4 Report

Chapter 7--Evaluation and recommendations

7.1 Origin of distress

7.2 Repair and rehabilitation

Chapter 8--Report

8.1 General

8.2 Contents of report

8.3 Evaluation of concrete in structures

Chapter 9--References

9.1 Recommended references

9.2 Cited references


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