Standard
UPDATE AVAILABLE
AS 3850.1:2015
[Superseded]Prefabricated concrete elements, Part 1: General requirements
Provides general requirements for the materials, components and equipment used in the manufacture of prefabricated concrete elements.
Published: 03/09/2015
Pages: 66
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Definitions
1.5 Notation
2 Materials, components and equipment
2.1 General
2.2 Working load limit (WLL) calculation
2.3 Concrete and reinforcement
2.4 Curing compounds and release agents
2.5 Lifting, brace and fixing inserts
2.5.1 General
2.5.2 Lifting inserts
2.5.2.1 General
2.5.2.2 Additional requirements for tension testing of lifting systems that require component reinforcement
2.5.3 Post-installed brace inserts
2.5.4 Cast-in fixing and brace inserts (ferrules)
2.6 Lifting clutches
2.7 Braces
2.7.1 General
2.7.2 Marking of braces
2.7.3 Inspection and maintenance of braces
2.8 Levelling pads and shims
2.8.1 General
2.8.2 Physical requirements of shims
2.9 Crane and rigging equipment
2.10 Documentation
Appendix A
A1 Scope
A2 Concrete testing
A3 Testing of components and systems
A3.1 General
A3.2 Record of tests
A3.3 Test reports
A4 Statistical evaluation of test results
A5 Production validation
A5.1 General
A5.2 Principle
A5.3 Statistical sampling
A5.4 Acceptance criteria and evaluation
A5.4.1 Dimensions and material properties
A5.4.2 Test load
A6 Additional testing for materials of lifting inserts
A6.1 General
A6.2 Tension test of the manufactured insert
A6.2.1 General
A6.2.2 Apparatus for tension testing of the manufactured insert
A6.2.3 Procedure
A7 Additional testing for pull-out capacity of cast-in lifting and brace inserts
A7.1 Introduction and scope
A7.2 Shape modification factors
A7.3 Test parameters and material properties
A7.3.1 Concrete properties
A7.3.2 Size of concrete specimens
A7.3.3 Insert
A7.3.4 Installation
A7.4 Number of specimens for testing
A7.4.1 General
A7.4.2 Tension tests
A7.4.3 Shear tests
A7.5 Test procedure
A7.5.1 Test set-up
A7.5.2 Instrumentation
A7.5.3 Application of load
A7.6 Assessment
A7.6.1 Integrity assessment
A7.6.2 Determination of characteristic strength
A7.6.3 Instrumentation
A7.6.4 Characteristic shear strength
A7.7 Evaluation
A7.7.1 Characteristic values—Tension and shear
A7.7.2 Shape modification factors
A7.8 Test report
A8 Testing of lifting clutches
A8.1 General
A8.2 Tension (axial) test of the lifting clutches
A8.2.1 General
A8.2.2 Apparatus for tension testing of the lifting clutch
A8.2.3 Procedure
A9 Additional testing for post-installed brace inserts
A9.1 General
A9.2 Test parameters and material properties
A9.2.1 Concrete properties
A9.2.2 Size of specimens
A9.2.3 Brace insert
A9.2.4 Drilling equipment
A9.2.5 Installation
A9.3 Test specimens
A9.3.1 General
A9.3.2 Torque tests
A9.3.3 Tension tests
A9.3.4 Cyclic slip tension tests
A9.3.5 Shear tests
A9.4 Test procedure
A9.4.1 Torque tests
A9.4.2 Basic tension tests
A9.4.2.1 General
A9.4.2.2 Instrumentation
A9.4.2.3 Application of load
A9.4.3 Cyclic slip tension tests
A9.4.4 Shear tests
A9.4.4.1 General
A9.4.4.2 Instrumentation
A9.4.4.3 Application of load
A9.5 Assessment
A9.5.1 Integrity assessment
A9.5.2 Torque assessment
A9.5.3 Strength in tension obtained from basic tension tests
A9.5.3.1 Mode of failure
A9.5.3.2 Load/displacement behaviour
A9.5.3.3 Characteristic tensile strength based on basic tension tests
A9.5.4 Cyclic slip tension test assessment
A9.5.5 Strength in shear
A9.5.5.1 Mode of failure
A9.5.5.2 Characteristic shear strength
A9.6 Evaluation
A9.6.1 Characteristic tensile strength of brace insert
A9.6.1.1 General characteristic tensile strength
A9.6.1.2 Characteristic tensile strength for concrete cone or pull-out failure mode
A9.6.1.3 Characteristic tensile strength for steel failure
A9.6.2 Characteristic shear strength of the bracing insert
A9.6.2.1 General characteristic shear strength
A9.6.2.2 Characteristic shear strength for concrete failure
A9.6.2.3 Characteristic shear strength for steel failure
A9.6.3 Combined tension and shear
A9.7 Test report
A10 Additional testing for braces
A10.1 General
A10.2 Procedure
A11 Additional testing for levelling shims
A11.1 General
A11.2 Specimen
A11.3 Conditioning
A11.4 Procedure
A11.5 Expression of results
A11.6 Testing to establish the characteristic load of shims
Appendix B
B1 General
B1.1 Scope
B2 Basis of design
B3 Verification of ultimate limit state by analysis
B3.1 General
B3.2 Tension capacity
B3.2.1 Required verification
B3.2.2 Pull-out failure
B3.2.2.1 General
B3.2.2.2 State of the concrete
B3.2.3 Concrete cone failure
B3.2.3.1 General
B3.2.3.2 Basic characteristic tensile resistance
B3.2.3.3 Effect of insert edge distance
B3.2.3.4 Disturbance to the distribution of stresses
B3.2.3.5 Effect of a narrow element
B3.2.4 Splitting failure
B3.2.5 Blow-out failure
B3.2.5.1 General
B3.2.5.2 Characteristic resistance of a single insert
B3.2.5.3 Effect of insert spacing and edge distance
B3.2.5.4 Disturbance to the distribution of stresses
B3.3 Shear load
B3.3.1 Required verifications
B3.3.2 Concrete edge failure
B3.3.2.1 General
B3.3.2.2 Characteristic shear resistance
B3.3.2.3 Basic characteristic shear resistance
B3.3.2.4 Effect of insert spacing, edge distance and element thickness
B3.3.2.5 Disturbance to the distribution of stresses
B3.3.2.6 Effect of the thickness of the structural component
B3.3.2.7 Effect of reinforcement and state of the concrete
B3.3.2.8 Effect of a narrow element
B3.4 Combined tension and shear loading
Amendment control sheet
AS 3850.1:2015
Amendment No. 1 (2019)
Revised text
Bibliography
Cited references in this standard
CEN/TR 15728:2008
Design And Use Of Inserts For Lifting And Handling Of Precast Concrete—Elements
AS 1012
Methods of testing concrete (series)
Content history
[Current]
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DR2 AS 3850.1
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