Standard
UPDATE AVAILABLE
AS 2150-2005
[Superseded]Hot mix asphalt — A guide to good practice
Provides recommendations for the manufacture and supply of hot mix asphalt for use in pavements including component materials, mix properties, mix design, manufacturing, storage and delivery, and sampling and testing. Recommendations for mineral fillers are included, as well as for asphalt spreading, compaction and finished surface properties. Appendices dealing with planning and mix design are also provided.
Published: 01/01/2005
Pages: 44
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Definitions
3.1 Aggregate
4 Materials
4.1 Aggregates
4.1.1 Coarse aggregate
4.2 Fine aggregate
4.3 Filler
4.4 Binder
4.4.1 Bitumen binder
4.4.2 Multigrade binder
4.4.3 Polymer-modified binder
4.5 Fibre
4.6 Adhesion agents
4.7 Reclaimed asphalt pavement (RAP)
4.8 Rejuvenating agents
5 Properties of asphalt mixes and their evaluation
5.1 General
5.2 Composition and volumetric properties
5.2.1 General
5.2.2 Particle size distribution (aggregate grading)
5.2.3 Binder content
5.2.4 Air voids
5.2.5 Maximum density (MD) and maximum theoretical density (MTD)
5.2.6 Bulk density
5.2.7 Voids in mineral aggregate
5.2.8 Voids filled with binder
5.3 Mechanical properties by Marshall method
5.3.1 General
5.3.2 Stability
5.3.3 Flow
5.4 Other properties
6 Specification and design of a mix
6.1 Mix design requirements
6.2 Mix design procedure
6.3 Production tolerances
7 Manufacturing and storage of mix
7.1 General requirements for plants
7.1.1 Design and construction
7.1.2 Storage of raw materials
7.1.3 Feeding of cold aggregates
7.2 Requirements for batch processing
7.2.1 Drying and heating
7.2.2 Screening and storage of hot aggregate
7.2.3 Proportioning
7.2.4 Mixing
8 Requirements for continuous processing
8.1 Feeding of cold aggregate
8.2 Drying and heating
8.3 Addition of binder
8.4 Mixing
8.5 Storage of mix
9 Delivery of asphalt
9.1 Vehicles
9.2 Measurement of mass
9.3 Temperature at point of delivery
10 Sampling and testing
10.1 Laboratory
10.2 Sampling of mix
10.3 Testing of mix
10.4 Sampling and testing of aggregates
10.5 Sampling and testing of filler
10.6 Sampling and testing of binder
11 Preparation of surface to be paved
11.1 Correction of defects in existing surfaces
11.2 Pretreatment of granular pavements
11.3 Cleaning
11.4 Public utilities
11.5 Surface condition
12 Tack coating
12.1 General
12.2 Materials
12.3 Rates of application
12.4 Techniques
13 Spreading
13.1 General
13.2 Spreading by self-propelled paving machine
13.3 Spreading by hand
13.4 Asphalt temperatures
13.5 Layer thickness
13.6 Joints
13.6.1 General
13.6.2 Longitudinal joints
13.6.3 Transverse joints
13.6.4 Automatic level control
13.6.5 Techniques
14 Compaction
14.1 General
14.2 Equipment
14.3 Procedure for dense-graded mixes
14.3.1 General
14.3.2 Initial or breakdown rolling
14.3.2.1 General
14.3.2.2 Non-vibrating steel wheeled rollers
14.3.2.3 Vibratory rollers
14.3.2.4 Secondary or intermediate rolling
14.3.2.5 Final or finish rolling
14.3.2.6 Hand compaction
14.3.2.7 Procedure for open-graded mixes
14.3.2.8 Procedure for stone mastic asphalt mixes
14.4 Compaction techniques
15 Finished pavement properties
15.1 Level
15.2 Thickness
15.3 Shape
15.3.1 Surface
15.3.2 Riding quality
15.4 Density
Appendix A
A.1 Structural strength of pavement
A.2 Paving trials
A.3 Scheduling of work
A.4 Safety in paving
A.4.1 General
A.4.1.1 Safety precautions
A.5 Supervision
Appendix B
B.1 General
B.2 Characteristics of performance
B.3 Mix types generally used
B.4 Binders generally used
Appendix C
Appendix D
Appendix E
E.1 Scope
E.2 Objectives of mix design
E.3 Mix design procedure
E.3.1 General
E.3.2 Selection of mix type
E.3.3 Selection of materials
E.3.4 Aggregate proportions
E.3.5 Binder content
E.3.6 Laboratory trial mixes
E.3.7 Plant trial mixes
E.4 Design of recycled asphalt mixes
Cited references in this standard
Content history
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