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BS 8500-1:2023

BS 8500-1:2023

$215.11

Concrete. Complementary British Standard to BS EN 206 – Method of specifying and guidance for the specifier

Published By Publication Date Number of Pages
BSI 2023 78
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PDF Catalog

PDF Pages PDF Title
5 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
14 3.2 Symbols and abbreviations
15 4 Method of specifying
4.1 General
16 4.2 Specification for designated concrete
17 4.3 Specification for designed concrete
19 4.4 Specification for prescribed concrete
21 4.5 Specification for standardized prescribed concrete
4.6 Specification for proprietary concrete
22 5 Exchange of information
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
24 Annex A (informative)  Guidance for the specifier
25 Table A.1 — Exposure classes
29 Table A.2 — Aggressive chemical environment for concrete (ACEC) exposure classes
34 Table A.3 — Typical applications with concrete containing carbon reinforcing steel in buildings (intended working life at least 50 years) for designated concretes
36 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)
37 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
38 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
40 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)
41 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
42 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
45 Table A.6 — General purpose cements and combinations by combined performance categoryA)
49 Table A.7 — Minimum cement and combination contents with maximum aggregate sizes other than 20 mm
50 Table A.8 — Recommended chloride classes for concrete containing carbon reinforcing steel, high tensile steel wire or strand for prestressing
51 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)
52 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)
53 Table A.11 — Additional protective measures (APMs)
55 Table A.12 — Limiting values of composition and properties for concrete where a DC‑class is specified
56 Table A.13 — Limiting values of composition for unreinforced concrete in contact with sea water (exposure class XAS)
57 Table A.14 — Guidance on the selection of designated and standardized prescribed concrete in housing and other applications
58 Table A.15 — Summary of requirements for designated concretesA)
59 Table A.16 — Summary of requirements for designated cement‑bound concrete
60 Table A.17 — Standardized prescribed concretes and indicative strengths
Table A.18 — Consistence suitable for different uses of in‑situ concrete
69 Annex B (normative)  Identity testing for slump, flow, slump‑flow, air content, density, additional requirements for compressive strength and consistence retention
70 Table B.1 — Identity criteria for slump specified as a slump class
71 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
72 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
73 Table B.7 — Identity criteria for compressive strength, MPa
74 Annex C (informative)  Indicative strengths and expected cement or combination content with nominal proportions
Table C.1 — Relationship between water/cement ratio, minimum cement content and strength
75 Table C.2 — Target cement or combination contents for nominal proportions
76 Bibliography

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BS 8500-1:2023
$215.11