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BS 8500-2:2023 - TC Tracked Changes. Concrete. Complementary British Standard to BS EN 206 - Specification for constituent materials and concrete, 2023
- 30483643
- A-30471317 [Go to Page]
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, symbols and abbreviations [Go to Page]
- 3.1 Terms and definitions
- 3.2 Symbols and abbreviations
- 4 Complementary requirements for constituent materials [Go to Page]
- 4.1 General
- 4.2 Cement, additions and combinations
- Table 1 — General purpose cements and combinations
- 4.3 Aggregates
- Table 2 — Magnesium sulfate soundness category for freeze-thaw resisting normal‑weight and heavy‑weight aggregates
- Table 3 — Limitations on the use of coarse CCA
- Table 4 — Requirements for coarse crushed concrete aggregate A)
- Table 5 — Requirements for coarse recycled aggregate
- 4.4 Admixtures
- 4.5 Fibres
- 5 Complementary basic requirements for concrete [Go to Page]
- 5.1 Resistance to alkali–silica reactions
- 5.2 Chloride content
- Table 6 — Method for determining the chloride content of constituent materials
- 5.3 Concrete temperature
- 5.4 Requirements for hardened lightweight concrete
- 5.5 Quantity of concrete
- 6 Designated concrete [Go to Page]
- 6.1 General
- 6.2 Product conformity certification and control
- 6.3 Constituent materials
- Table 7 — Requirements for designated concretes for general applications
- Table 8 — Summary of requirements for designated cement‑bound concretes
- Table 9 — Range of aggregate grading for cement‑bound concrete
- 6.4 Concrete requirements
- 7 Designed concrete [Go to Page]
- 7.1 General
- 7.2 DC‑class designed concrete
- Table 10 — Limiting values of composition and properties for concrete where a DC‑class is specified
- 8 Prescribed concrete
- 9 Standardized prescribed concrete [Go to Page]
- 9.1 General
- 9.2 Constituent materials
- 9.3 Concrete requirements
- Table 11 — Mix proportions for standardized prescribed concretes using class 32,5 cements and combinations
- Table 12 — Mix proportions for volume batching of ST1, ST2 and ST3
- 9.4 Production control
- 10 Proprietary concrete
- Annex A (normative) Production, transport, delivery, conformity testing and conformity criteria [Go to Page]
- Table A.1 — Tolerances for constituents when batching less than one cubic metre of concreteA)
- Table A.2 — Materials control for CCAA)
- Table A.3 — Additional compressive strength classes to those given in BS EN 206:2013+A2:2021
- Annex B (normative) Conformity procedure for combinations [Go to Page]
- Table B.1 — Requirements for the compressive strength of combinations
- Annex C (normative) Minimizing the risk of damaging alkali‑silica reaction in concrete [Go to Page]
- Table C.1 — Proportion of declared mean alkali content of ggbs, natural pozzolana, natural calcined pozzolana, high reactivity natural calcined pozzolana or fly ash to be taken into account in the calculation of alkali content of concrete
- Table C.2 — Reactivity of constituents of aggregates used in concrete in the UK
- Table C.3 — Concrete alkali limits for aggregates containing more than 10% high reactivity materials
- Annex D (informative) Example of the conformity procedure given in Annex B [Go to Page]
- Table D.1 — Mass fraction of additionA) in CEM I in combinations for strength testing
- Table D.2 — Mass fraction of additionA) to CEM II/A-L or LL cement or intermediate combinations with proportions equivalent to CIIA-L or LL in combination for strength testing
- Table D.3 — Mass fraction of additionA) to CEM III/A cement or intermediate combination with proportions equivalent to CIIIA in combinations for strength testing
- Table D.4 — Example laboratory proportions using an intermediate combination of CEM I: Limestone fines (L, LL) combined at a ratio of 90:10, and the resulting multicomponent combination proportions when including fly ash
- Table D.5 — Example laboratory proportions using an intermediate combination of CEM I: Limestone fines (L, LL) combined at a ratio of 85:15, and the resulting multicomponent combination proportions when including ggbs
- Table D.6 — Example laboratory proportions using an intermediate combination of CEM I:ggbs combined at a ratio of 50:50, and the resulting multicomponent combination proportions when including fly ash
- Table D.7 — Example mass fractions of combination for CEM II/A‑L or -LL, ggbs and additional limestone fines in combinations for strength testing
- Figure D.1 — Determination of conformity limits for combinations
- Annex E (informative) BS 8500 provisions linked to BS EN 206 requirements [Go to Page]
- Table E.1 — Guidance on where to find BS 8500 provisions that cover BS EN 206 requirements that defer to provisions in the place of use
- Bibliography [Go to Page]
