Standard Specifications for Concrete Structures -2001"Maintenance"

Contents

PART 1: MAINTENANCE


CHAPTER 1  GENERAL
1.1	Scope
1.2	Definitions

CHAPTER 2  REQUIRED PERFORMANCE FOR CONCRETE STRUCTURES
2.1	Principle
2.2	General

CHAPTER 3  BASIC PRINCIPLES FOR MAINTENANCE
3.1	Principles
3.2	Maintenance procedure
3.3	Maintenance categories and descriptions
3.4	Inspection
3.5	Classification and identification of mechanisms of deterioration
3.6	Prediction of deterioration
3.7	Evaluation and judgment
3.8	Remedial measures
3.9	Records

CHAPTER 4  IDENTIFICATION OF DETERIORATING MECHANISM
4.1	Principles
4.2	Method of Identifying Deteriorating mechanism

CHAPTER 5  INITIAL INSPECTION
5.1	Principles
5.2	Methods of inspection
5.3	Estimation of deteriorating mechanism and prediction of deterioration
5.4	Evaluation and judgment

CHAPTER 6  ROUTINE INSPECTION
6.1	Principles
6.2	Inspection methods
6.3	Evaluation and judgment

CHAPTER 7  PERIODIC INSPECTION
7.1	Principles
7.2	Inspection methods
7.3	Evaluation and judgment

CHAPTER 8  DETAILED INSPECTION
8.1	Principles
8.2	Inspection methods
8.3	Prediction of deterioration
8.4	Evaluation and judgment
CHAPTER 9  EXTRAORDINARY INSPECTION
9.1	Principles
9.2	Inspection methods
9.3	Evaluation and judgment
9.4	Emergency inspection

CHAPTER 10  TECHNIQUES OF TESTING AND SURVEYING
10.1	Principles
10.2	Visual observation and hammer (tapping) test
10.3	Testing with non-destructive apparatus
10.3.1	general
10.3.2	Method with optical fiber scope
10.3.3	Method with rebound hammer
10.3.4	Electric and magnetic method
10.3.5	Methods using elastic waves propagating through concrete
10.3.6	Methods using electromagnetic waves
10.3.7	Electrochemical methods
10.4	Partial and small-scale destructive tests
10.5	Direct evaluation of the structural behaviors of existing structures
10.6	Evaluation of environmental action
10.6.1	general
10.6.2	Environmental actions related to carbonation induced deterioration
10.6.3	Environmental actions related to chloride induced deterioration
10.6.4	Environmental actions related to frost attack
10.6.5	Environmental actions related to chemical attack
10.6.6	Environmental actions related to alkali aggregate reaction (ASR)
10.7	Performance test on repairing materials

CHAPTER 11  REMEDIAL MEASURES
11.1	Principles
11.2	Types of remedial measures
11.2.1	Extensive inspection
11.2.2	Repair
11.2.3	Strengthening
11.2.4	Appearance improvement
11.2.5	Serviceability restoration
11.2.6	Functionality improvement
11.2.7	Restriction in service
11.2.8	Demolition/removal
11.3	Repair
11.3.1	Principles
11.3.2	Repair plan
11.4	Strengthening
11.4.1	Principles

CHAPTER 12  RECORDS
12.1	Principle
12.2	Period of storing records
12.3	Method of preservation of records
12.4	Items to be recorded


PART 2: STANDARDS FOR MAINTENANCE


CHAPTER 13  STANDARD MAINTENANCE METHOD FOR CARBONATION INDUCED DETERIORATION
13.1	General
13.2	Method of deterioration prediction
13.2.1	General
13.2.2	Prediction of carbonation progress
13.2.3	Prediction of progress of corrosion of steel reinforcement
13.2.4	Correction of prediction
13.3	Methods of inspection
13.3.1	General
13.3.2	Initial inspection
13.3.3	Routine inspection
13.3.4	Periodic inspection
13.3.5	Detailed inspection
13.4	Evaluation and judgment
13.5	Remedial measures
13.5.1	Selection of remedial measures
13.5.2	Repair and strengthening
13.5	Records

CHAPTER 14  STANDARD MAINTENANCE METHOD FOR CHLORIDE INDUCED DETERIORATION
14.1	General
14.2	Method of deterioration prediction
14.2.1	General
14.2.2	Prediction of chloride ion diffusion
14.2.3	Prediction of progress of corrosion of steel reinforcement
14.2.4	Correction of prediction
14.3	Methods of inspection
14.3.1	General
14.3.2	Initial inspection
14.3.3	Routine inspection
14.3.4	Periodic inspection
14.3.5	Detailed inspection
14.4	Evaluation and judgment
14.5	Remedial measures
14.5.1	Selection of remedial measures
14.5.2	Repair and strengthening
14.5	Records

CHAPTER 15  STANDARD MAINTENANCE METHOD FOR FROST ATTACK
15.1	General
15.2	Method of deterioration prediction
15.2.1	General
15.2.2	Prediction of occurrence of frost damage
15.2.3	Prediction of frost deterioration depth
15.3	Methods of inspection
15.3.1	General
15.3.2	Initial inspection
15.3.3	Routine inspection
15.3.4	Periodic inspection
15.3.5	Detailed inspection
15.4	Evaluation and judgment
15.5	Remedial measures
15.5.1	Selection of remedial measures
15.5.2	Repair and strengthening
15.5	Records

CHAPTER 16  STANDARD MAINTENANCE METHOD FOR CHEMICAL ATTACK
16.1	General
16.2	Method of deterioration prediction
16.2.1	General
16.2.2	Prediction of progress of chemical attack
16.2.3	Prediction of progress of corrosion of steel reinforcement
16.2.4	Correction of prediction
16.3	Methods of inspection
16.3.1	General
16.3.2	Initial inspection
16.3.3	Routine inspection
16.3.4	Periodic inspection
16.3.5	Detailed inspection
16.4	Evaluation and judgment
16.5	Remedial measures
16.5.1	Selection of remedial measures
16.5.2	Repair and strengthening
16.5	Records

CHAPTER 17  STANDARD MAINTENANCE METHOD FOR ALKALI AGGREGATE REACTION
17.1	General
17.2	Method of deterioration prediction
17.2.1	General
17.2.2	Prediction of ASR progress
17.3	Methods of inspection
17.3.1	General
17.3.2	Initial inspection
17.3.3	Routine inspection
17.3.4	Periodic inspection
17.3.5	Detailed inspection
17.4	Evaluation and judgment
17.5	Remedial measures
17.5.1	Selection of remedial measures
17.5.2	Repair and strengthening
17.5	Records

CHAPTER 18  STANDARD MAINTENANCE METHOD FOR FARIGUE OF RC SLAB OF ROAD BRIDGE
18.1	General
18.2	Method of deterioration prediction
18.2.1	General
18.2.2	Correction of prediction
18.3	Methods of inspection
18.3.1	General
18.3.2	Initial inspection
18.3.3	Routine inspection
18.3.4	Periodic inspection
18.3.5	Detailed inspection
18.4	Evaluation and judgment
18.5	Remedial measures
18.5.1	Selection of remedial measures
18.5.2	Repair and strengthening
18.5	Records

CHAPTER 19  STANDARD MAINTENANCE METHOD FOR FATIGUE OF RC BEAM OF RAILWAY BRIDGE
19.1	General
19.2	Method of deterioration prediction
19.2.1	General
19.2.2	Prediction of fatigue progress
19.2.3	Correction of prediction
19.3	Methods of inspection
19.3.1	General
19.3.2	Initial inspection
19.3.3	Routine inspection
19.3.4	Periodic inspection
19.3.5	Detailed inspection
19.4	Evaluation and judgment
19.5	Remedial measures
19.5.1	Selection of remedial measures
19.5.2	Repair and strengthening
19.5	Records