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BS 8500-1:2023 - TC Tracked Changes. Concrete. Complementary British Standard to BS EN 206 - Method of specifying and guidance for the specifier, 2023
- 30483642
- A-30471315 [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 Method of specifying [Go to Page]
- 4.1 General
- 4.2 Specification for designated concrete
- 4.3 Specification for designed concrete
- 4.4 Specification for prescribed concrete
- 4.5 Specification for standardized prescribed concrete
- 4.6 Specification for proprietary concrete
- 5 Exchange of information [Go to Page]
- 5.1 Information from the specifier or user of the concrete to the producer
- 5.2 Information from the producer of the concrete to the specifier or user
- Annex A (informative) Guidance for the specifier [Go to Page]
- Table A.1 — Exposure classes
- Table A.2 — Aggressive chemical environment for concrete (ACEC) exposure classes
- Table A.3 — Typical applications with concrete containing carbon reinforcing steel in buildings (intended working life at least 50 years) for designated concretes
- Table A.4a — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 50 years for corrosion induced by carbonation (XC exposure classes)
- Table A.4b — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 50 years for corrosion induced by chlorides other than sea water (XD exposure c
- Table A.4c — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 50 years for corrosion induced by chlorides from sea water (XS exposure classes
- Table A.5a — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 100 years for corrosion induced by carbonation (XC exposure classes)
- Table A.5b — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 100 years for corrosion induced by chlorides other than sea water (XD exposure
- Table A.5c — Recommended limiting values for the durabilityA) of concrete containing carbon reinforcing steel or prestressed elements with an intended working life of at least 100 years for corrosion induced by chlorides from sea water (XS exposure classe
- Table A.6 — General purpose cements and combinations by combined performance categoryA)
- Table A.7 — Minimum cement and combination contents with maximum aggregate sizes other than 20 mm
- Table A.8 — Recommended chloride classes for concrete containing carbon reinforcing steel, high tensile steel wire or strand for prestressing
- Table A.9a — Limiting values for composition and properties of air-entrained concrete to resist freezing and thawing (XF exposures)
- Table A.9b — Limiting values for composition and properties of concrete without air‑entraining admixture to resist freezing and thawing (XF exposures)
- Table A.10 — Selection of the nominal cover and DC‑class or designated concrete and APM for in‑situ concrete elementsA) in contact with the ground where the hydraulic gradient due to groundwater is five or lessB), C), D)
- Table A.11 — Additional protective measures (APMs)
- Table A.12 — Limiting values of composition and properties for concrete where a DC‑class is specified
- Table A.13 — Limiting values of composition for unreinforced concrete in contact with sea water (exposure class XAS)
- Table A.14 — Guidance on the selection of designated and standardized prescribed concrete in housing and other applications
- Table A.15 — Summary of requirements for designated concretesA)
- Table A.16 — Summary of requirements for designated cement‑bound concrete
- Table A.17 — Standardized prescribed concretes and indicative strengths
- Table A.18 — Consistence suitable for different uses of in‑situ concrete
- Annex B (normative) Identity testing for slump, flow, slump‑flow, air content, density, additional requirements for compressive strength and consistence retention [Go to Page]
- Table B.1 — Identity criteria for slump specified as a slump class
- Table B.2 — Identity criteria for slump specified as a target value
- Table B.3 — Identity criteria for flow specified as a flow class
- Table B.4 — Identity criteria for flow specified as a target value
- Table B.5 — Identity criteria for slump‑flow specified as a slump‑flow class
- Table B.6 — Identity criteria for slump‑flow specified as a target value
- Table B.7 — Identity criteria for compressive strength, MPa
- Annex C (informative) Indicative strengths and expected cement or combination content with nominal proportions [Go to Page]
- Table C.1 — Relationship between water/cement ratio, minimum cement content and strength
- Table C.2 — Target cement or combination contents for nominal proportions
- Bibliography [Go to Page]