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BS EN 13383-2:2013 Armourstone - Test methods, 2013
- Contents Page
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Methods for sampling [Go to Page]
- 4.1 General
- 4.2 Principles of sampling
- 4.3 Sampling plan
- 4.4 Apparatus [Go to Page]
- 4.4.1 Apparatus for sampling [Go to Page]
- 4.4.1.1 Grab, fitted to either a crane or a hydraulic machine.
- 4.4.1.2 Bucket or fork, fitted to a wheeled loader or a hydraulic machine.
- 4.4.1.3 Truck, for receiving and/or transport of samples.
- 4.4.1.4 Lifting equipment and lifting aids, for stones that cannot be moved manually.
- 4.4.2 Apparatus for sample reduction and transport [Go to Page]
- 4.4.2.1 A floor area, upon which samples can be deposited and tested. The floor shall be sufficiently clean and close-textured to be able to distinguish and recover the material of the sample from the floor material.
- 4.4.2.2 Shovels.
- 4.4.2.3 Rectangular sampling buckets, of sufficient size and of width not less than three times the nominal upper grading limit.
- 4.4.2.4 Suitable plates and wires, for sample reduction.
- 4.4.2.5 Containers for transport, such as bags, buckets or other suitable containers.
- 4.5 Sampling methods [Go to Page]
- 4.5.1 General
- 4.5.2 Sampling, for the determination of particle size distribution, mass distribution and shape characteristics [Go to Page]
- 4.5.2.1 Sampling of material in bucket conveyors, bucket loaders, or grabs
- 4.5.2.2 Sampling at belt and chute discharge points
- 4.5.2.3 Sampling from stationary conveyor belts
- 4.5.2.4 Sampling from a silo
- 4.5.2.5 Sampling from stockpiles
- 4.5.2.6 Sampling from floating equipment
- 4.5.2.7 Sampling from wheeled transport
- 4.5.3 Sampling for the determination of physical, chemical, durability and other properties
- 4.6 Sample reduction [Go to Page]
- 4.6.1 General
- 4.6.2 Reduction using buckets
- 4.6.3 Reduction using plates or wires
- 4.6.4 Reduction using numbering
- 4.7 Sample preparation for Micro-Deval test where aggregate sample not available
- 4.8 Marking, packaging and dispatch of samples
- 4.9 Sampling report
- 5 Determination of the particle size distribution of coarse gradings [Go to Page]
- 5.1 Principle
- 5.2 Apparatus
- 5.3 Preparation of test portion
- 5.4 Procedure
- 5.5 Calculation and expression of results
- 5.6 Test report [Go to Page]
- 5.6.1 Required data
- 5.6.2 Optional data
- 6 Determination of the mass distribution of light and heavy gradings [Go to Page]
- 6.1 Principle
- 6.2 Apparatus
- 6.3 Preparation of test portion
- 6.4 Procedure
- 6.5 Calculation and expression of results
- 6.6 Test report [Go to Page]
- 6.6.1 Required data
- 6.6.2 Optional data
- 7 Determination of the percentage of pieces of armourstone with a length-to-thickness ratio greater than 3 [Go to Page]
- 7.1 Principle
- 7.2 Apparatus
- 7.3 Preparation of test portion
- 7.4 Procedure [Go to Page]
- 7.4.1 Measurement of stones
- 7.4.2 Heavy gradings
- 7.4.3 Light gradings
- 7.4.4 Coarse gradings
- 7.5 Calculation and expression of results [Go to Page]
- 7.5.1 Heavy gradings
- 7.5.2 Light gradings
- 7.5.3 Coarse gradings
- 7.6 Test report [Go to Page]
- 7.6.1 Required data
- 7.6.2 Optional data
- 8 Determination of particle density and water absorption [Go to Page]
- 8.1 Principle
- 8.2 Apparatus
- 8.3 Materials
- 8.4 Preparation of test portion
- 8.5 Test procedure
- 8.6 Calculation and expression of results
- 8.7 Test report [Go to Page]
- 8.7.1 Required data
- 8.7.2 Optional data
- 9 Determination of resistance to freezing and thawing [Go to Page]
- 9.1 Principle
- 9.2 Apparatus
- 9.3 Materials
- 9.4 Test portions [Go to Page]
- 9.4.1 General [Go to Page]
- 9.4.1.1 Introduction
- 9.4.2 Preparation of test portions
- 9.5 Procedure [Go to Page]
- 9.5.1 Soaking at atmospheric pressure
- 9.5.2 Exposure to freezing and thawing
- 9.5.3 Inspection and weighing
- 9.6 Calculation and expression of results
- 9.7 Test report [Go to Page]
- 9.7.1 Required data
- 9.7.2 Optional data
- 10 Determination of signs of “Sonnenbrand" and disintegration of steel slags [Go to Page]
- 10.1 Principle
- 10.2 Apparatus
- 10.3 Materials
- 10.4 Preparation of test portions [Go to Page]
- 10.4.1 Test portion for the visual examination of armourstone for signs of “Sonnenbrand”
- 10.4.2 Test portion for the determination of loss in mass of a piece of steel slag after boiling
- 10.5 Procedure [Go to Page]
- 10.5.1 Visual examination of signs of “Sonnenbrand" in a piece of armourstone
- 10.5.2 Determination of loss in mass of a piece of steel slag after boiling
- 10.6 Calculation and expression of results [Go to Page]
- 10.6.1 Determination of the percentage loss in mass of a piece of steel slag after boiling
- 10.7 Test report [Go to Page]
- 10.7.1 Required data
- 10.7.2 Optional data
- Annex A (informative) Example of a sampling report
- Annex B (informative) Example of a particle size distribution of a coarse grading
- Annex C (informative) Example of a mass distribution: reference method
- Annex D (informative) Example method for determination of mass distribution (employing bulk weighing) [Go to Page]
- D.1 Principle
- D.2 Apparatus
- D.3 Preparation of test portion
- D.4 Procedure
- D.5 Calculation and expression of results
- D.6 Test report
- Annex E (informative) Density of water
- Annex F (informative) Precision for determination of particle density and water absorption (see Clause 8)
- Annex G (informative) Guidance on sampling for testing
- Annex H (informative) Guidance on sampling for testing
- Bibliography [Go to Page]