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BSI Flex 350 v2.0:2024-09 Alternative binder systems for lower carbon concrete. Code of practice, 2024
- Contents
- Foreword
- 0 Introduction
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms
- 3.1 Terms and definitions
- 3.2 Abbreviated terms
- 4 Alternative binder systems
- 4.1 Main constituents
- 4.2 Performance assessment
- 4.3 Emissions
- 5 ABS concrete materials
- 5.1 Aggregates
- 5.2 Water
- 5.3 Admixtures
- 5.4 Other constituents
- 5.5 Chlorides
- 6 ABS concrete properties
- 6.1 General
- 6.2 Fresh properties
- 6.3 Mechanical properties
- 7 Durability of ABS concrete
- 7.1 General
- 7.2 Corrosion testing
- 7.3 Corrosion induced by carbonation (XC1, XC2, XC3, XC4)
- 7.4 Corrosion induced by chloride (XS1, XS2, XS3, XD1, XD2, XD3)
- 7.5 Freeze/thaw attack with or without de-icing agents (XF1, XF2, XF3, XF4)
- 7.6 Chemical attack [aggressive chemical environment for concrete classification (ACEC) exposure class]
- 7.7 Mechanical abrasion (XM1, XM2, XM3)
- Annex A (normative) Supply of ABS concrete
- A.1 General
- A.2 Plant and equipment
- A.3 Batching
- A.4 Placing and finishing
- A.5 Early protection and curing
- Annex B (normative) Reference concrete
- Bibliography
- Figure 1 – Relative strength compared to 28 day for different strength development classes based on BS EN 1992-1-1:2023, 5.1.3
- Table 1 – Mechanical and physical requirements of ABS given as characteristic values
- Table 2 – Recommended limits on chloride content of ABS concrete
- Table 3 – 28 day tensile strengths derived from BS EN 1992-1-1 related to compressive strength class after Bamforth et al. 2008 [5]
- Table B.1 – Design of reference concrete for Example 1
- Table B.2 – Design of reference concrete for Example 2 [Go to Page]