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AS 1379-1997 Specification and supply of concrete

Standard Number:  AS 1379-1997
Title:  Specification and supply of concrete
Language:  English
Status:  AvailableW
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:35P.;A4  

Description:Proposes requirements for specifying normal-class and special-class concrete and for their manufacture, by either the batch or the continuous production method, for supply in the plastic state, to the customer. Gives performance requirements for the mate  
Catalog:Document Contents
AS 1379-1997 SPECIFICATION AND SUPPLY OF CONCRETE
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 OTHER MATERIALS, PLANT OR METHODS
1.4 DEFINITIONS
1.5 NOTATION
1.6 SPECIFICATION OF CONCRETE
1.6.1 General
1.6.2 Standard strength grades
1.6.3 Normal-class concrete
1.6.4 Special-class concrete
1.7 METHODS OF ORDERING
1.8 BASIS OF SUPPLY
1.8.1 General
1.8.2 Volume of plastic concrete
1.8.3 Identification certificate
SECTION 2 CONCRETE MATERIALS AND CONSTITUENT LIMITATIONS
2.1 GENERAL
2.2 CEMENT CONSTITUENTS
2.2.1 Portland cement
2.2.2 Blended cement
2.2.3 Fly ash
2.2.4 Ground slag
2.2.5 Silica fume
2.3 AGGREGATES
2.4 MIXING WATER
2.5 CHEMICAL ADMIXTURES
2.6 BULK STORAGE OF MATERIALS
2.6.1 Cement constituents
2.6.2 Aggregates
2.6.3 Water
2.6.4 Chemical admixtures
2.7 LIMITATIONS ON CHEMICAL CONTENT OF CONCRETE
2.7.1 Chloride content
2.7.2 Sulfate content
SECTION 3 PLANT AND EQUIPMENT
3.1 BINS AND SILOS
3.1.1 General
3.1.2 Cement bins or silos
3.1.3 Aggregate bins
3.2 WEIGHING EQUIPMENT
3.2.1 Indicating devices
3.2.2 Accuracy
3.2.3 Weigh-hoppers
3.2.4 Continuous feed weighers
3.3 LIQUID DISPENSING EQUIPMENT
3.3.1 Indicating devices
3.3.2 Accuracy of metering
3.3.3 Maintenance
3.4 MIXERS
3.4.1 General
3.4.2 Batch mixers
3.4.3 Continuous mixers
SECTION 4 PRODUCTION AND DELIVERY
4.1 GENERAL
4.1.1 Production processes
4.1.2 Method of measuring quantities of ingredients
4.1.3 Bases for determinations of mass
4.1.4 Method of batching ingredients
4.1.5 Sequence of introduction of materials
4.1.6 Records
4.2 BATCH PRODUCTION
4.2.1 Tolerances on batch ingredients
4.2.2 Batch mixing
4.2.3 Addition of water or admixtures to a mixed batch
4.2.4 Period for completion of discharge
4.3 CONTINUOUS PRODUCTION
4.3.1 Batching
4.3.2 Mixing
4.4 DELIVERY
4.4.1 General
4.4.2 Temperature at point of delivery
4.4.3 Duration of delivery
SECTION 5 SAMPLING AND TESTING OF CONCRETE
5.1 GENERAL
5.1.1 Sampling and testing
5.1.2 Grouping of plants
5.1.3 Customer access
5.2 SLUMP
5.2.1 Frequency of testing
5.2.2 Determination of slump
5.2.3 Compliance
5.2.4 Repeat tests for slump
5.3 STRENGTH
5.3.1 28-day characteristic strength
5.3.2 Strength other than 28-day characteristic strength
5.3.3 Compliance
5.3.4 Action to be taken on noncompliance
5.4 AIR CONTENT
5.4.1 Frequency of sampling
5.4.2 Determination of air content
5.4.3 Compliance
5.4.4 Repeat tests for air content
5.5 CHLORIDE AND SULFATE CONTENT
5.5.1 Frequency of sampling
5.5.2 Determination of content
5.5.3 Compliance
5.6 DRYING SHRINKAGE
5.6.1 Drying shrinkage of normal-class concrete
5.6.2 Drying shrinkage of special-class concrete
5.7 7-DAY STRENGTH OF NORMAL-CLASS CONCRETE
5.8 OTHER PARAMETERS
SECTION 6 SAMPLING, TESTING AND ASSESSMENT FOR COMPLIANCE OF CONCRETE SPECIFIED BY COMPRE...
6.1 GENERAL REQUIREMENTS
6.2 SAMPLING AND TESTING
6.2.1 General
6.2.2 Sampling
6.2.3 Making and curing of cylinder specimens
6.2.4 Testing of cylinder specimens
6.2.5 Test strength of samples
6.3 PRODUCTION ASSESSMENT
6.3.1 Basic requirements of production control
6.3.2 Grade being assessed
6.3.3 Sampling frequency
6.3.4 Production interval
6.3.5 Standard deviation
6.3.6 Grouping of plants to determine and nc and s
6.3.7 Action on noncompliance
6.3.8 Early age assessment of controlled grades
6.4 RECORDING AND DISSEMINATION OF PRODUCTION ASSESSMENT INFORMATION
6.4.1 Records and reports of test results
6.4.2 Reports for production assessment
6.4.3 Dissemination of production assessment information
6.4.4 Notification of potentially low strength
6.5 PROJECT ASSESSMENT OF STRENGTH GRADE
6.5.1 General
6.5.2 Project assessment for plants subject to production assessment
6.6 ASSESSMENT BY ALTERNATIVE METHODS WITH AN ACCEPTED OPERATING CHARACTERISTIC
APPENDIX A - UNIFORMITY OF MIXING
A1 GENERAL
A2 TEST PROCEDURES
A2.1 Mix used for uniformity tests
A2.2 Batch mixers
A2.3 Continuous mixers
A2.4 Sampling procedures
A3 DETERMINATION OF PROPERTIES OF PLASTIC CONCRETE SAMPLES
A3.1 General
A3.2 Slump
A3.3 Air content
A3.4 Mass per unit volume of the concrete
A3.5 Coarse aggregate content
A3.6 Mass per unit volume of the air-free mortar
A4 COMPLIANCE WITH UNIFORMITY
APPENDIX B - GUIDE TO THE SPECIFICATION OF SPECIAL-CLASS CONCRETE
  
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