BS 8500-1:2015+A2:2019 – TC
$280.87
Tracked Changes. Concrete. Complementary British Standard to BS EN 206 – Method of specifying and guidance for the specifier
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 181 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | compares BS 8500-1:2015+A2:2019 |
| 2 | TRACKED CHANGES Text example 1 — indicates added text (in green) |
| 3 | Publication history |
| 5 | Bibliography 99 |
| 6 | Foreword Publishing information Supersession Relationship with other publications Information about this document |
| 7 | Hazard warnings Presentational conventions Contractual and legal considerations Compliance with a British Standard cannot confer immunity from legal obligations. |
| 10 | 1 Scope 2 Normative references |
| 11 | 3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions 3.1.1 alkali content of concrete 3.1.2 cement or combination content 3.1.3 cement‑bound concrete 3.1.4 combination 3.1.5 compressive strength class 3.1.6 consistence retention time 3.1.7 crushed concrete aggregate (CCA) |
| 12 | 3.1.8 declared mean alkali content 3.1.9 design chemical class (DC‑class) 3.1.10 hydraulic gradient 3.1.11 maximum aggregate size 3.1.12 minimum cover 3.1.13 nominal cover 3.1.14 product conformity certification 3.1.15 proprietary concrete 3.1.16 recycled aggregate (RA) |
| 13 | 3.1.17 sodium oxide equivalent (Na2 O eq) 3.2 Symbols and abbreviations For the purposes this part of BS 8500, the symbols and abbreviations given in BS EN 206 and the following apply. |
| 14 | 4 Method of specifying 4.1 General |
| 15 | 4.2 Specification for designated concrete 4.2.1 General |
| 16 | 4.2.3 Additional requirements 4.3 Specification for designed concrete 4.3.1 General |
| 17 | 4.3.2 Basic requirements 4.3.3 Additional requirements |
| 18 | 4.4 Specification for prescribed concrete 4.4.1 General |
| 19 | 4.4.2 Basic requirements 4.4.3 Additional requirements |
| 20 | 4.5 Specification for standardized prescribed concrete 4.5.1 General 4.5.2 Basic requirements 4.5.3 Additional requirements 4.6 Specification for proprietary concrete 4.6.1 General 4.6.2 Basic requirements |
| 21 | 4.6.3 Additional requirements 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 |
| 23 | Annex A (informative) Guidance for the specifier A.1 General |
| 24 | A.2 Exposure classes related to environmental conditions A.2.1 General |
| 37 | A.2.2 Environments related to corrosion of reinforcement A.2.3 Environments associated with unreinforced concrete |
| 38 | A.2.4 Environments leading to chemical attack including sulfate attack A.3 Cover to reinforcement |
| 39 | A.4 Recommendations to resist the identified exposure classes A.4.1 General |
| 40 | A.4.2 Concrete properties and limiting values to resist corrosion of reinforcement |
| 64 | A.4.3 Concrete properties and limiting values to resist freeze-thaw attack A.4.4 Concrete for pavements and hardstandings |
| 67 | A.4.5 Concrete properties and limiting values to resist chemical attack |
| 74 | A.4.6 Guidance on the selection of concrete exposed to sea water |
| 76 | A.4.7 Guidance on the selection of concrete for housing and other applications |
| 85 | A.5 Selection of consistence |
| 88 | A.6 Density A.7 Guidance on aggregate classes A.7.1 General A.7.2 Aggregate size |
| 89 | A.7.3 Aggregates for resistance to fragmentation and wear A.7.4 Drying shrinkage of aggregates |
| 90 | A.7.5 Sulfates in aggregates A.7.6 Freeze-thaw resistance A.7.7 Lightweight aggregates A.7.8 Aggregates for visual concrete |
| 91 | A.7.9 Aggregate for fire resistance and low thermal expansion A.7.10 Crushed concrete aggregate (CCA) and recycled aggregate (RA) A.7.10.1 Coarse CCA and RA A.7.10.2 Fine CCA and RA |
| 92 | A.8 Internal degradation of concrete A.8.1 Alkali–aggregate reaction A.8.2 Delayed ettringite formation |
| 93 | A.9 Concrete placing A.9.1 Time limits A.9.2 Work in cold weather |
| 94 | A.9.3 Work in hot weather A.10 Conformity and identity testing |
| 95 | A.11 Concrete for geotechnical works A.12 Segregation and bleeding Annex B (normative) B.1 Point and time of sampling |
| 96 | B.2 Slump, flow and slump-flow testing B.2.1 Sampling B.2.2 Method of test B.2.3 Identity criteria for the slump of an individual batch |
| 98 | B.2.4 Identity criteria for the flow of an individual batch |
| 101 | B.2.5 Identity criteria for the slump-flow of an individual batch B.3 Air content B.3.1 Sampling |
| 102 | B.3.2 Method of test B.3.3 Identity criteria for air content of an individual batch B.4 Density B.4.1 Sampling B.4.2 Method of test B.4.3 Identity criteria for density of hardened concrete |
| 103 | B.5 Additional requirements for compressive strength B.6 Consistence retention testing B.6.1 General B.6.2 Containers for storing samples B.6.3 Sample size B.6.4 Temperature B.6.5 Report |
| 104 | Annex C (informative) |
| 106 | Bibliography Standards publications |
| 107 | Other publications |
| 112 | Foreword |
| 114 | Introduction |
| 116 | 1 Scope 2 Normative references |
| 117 | 3 Terms, definitions, symbols and abbreviations |
| 120 | 4 Method of specifying |
| 127 | 5 Exchange of information |
| 129 | Annex A (informative) Guidance for the specifier |
| 131 | Table A.1 — Exposure classes |
| 134 | Table A.2 — Aggressive chemical environment for concrete (ACEC) exposure classes |
| 139 | Table A.3 — Typical reinforced concrete applications in buildings (intended working life at least 50 years) for designated concretes |
| 142 | Table A.4 — DurabilityA) recommendations for reinforced or prestressed elements with an intended working life of at least 50 years |
| 146 | Table A.5 — DurabilityA) recommendations for reinforced or prestressed elements with an intended working life of at least 100 years |
| 149 | Table A.6 — Cement and combination typesA) |
| 151 | Table A.7 — Minimum cement and combination contents with maximum aggregate sizes other than 20 mm |
| 152 | Table A.8 — Recommended chloride classes for concrete containing steel reinforcement or high tensile steel wire or strand for prestressing |
| 153 | Table A.9 — Limiting values for composition and properties of concrete to resist freezing and thawing (XF exposures) |
| 154 | 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) |
| 155 | Table A.11 — Additional protective measures (APMs) |
| 156 | Table A.12 — Limiting values of composition and properties for concrete where a DC‑class is specified |
| 157 | Table A.13 — Limiting values of composition for unreinforced concrete in contact with sea water (exposure class XAS) |
| 159 | Table A.14 — Guidance on the selection of designated and standardized prescribed concrete in housing and other applications |
| 161 | Table A.15 — Summary of requirements for designated concretesA) |
| 162 | Table A.16 — Summary of requirements for designated cement‑bound concrete |
| 163 | Table A.17 — Standardized prescribed concretes and indicative strengths |
| 164 | Table A.18 — Consistence suitable for different uses of in‑situ concrete |
| 172 | Annex B (normative) Identity testing for slump, flow, slump‑flow, air content, density and additional requirements for compressive strength |
| 173 | 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 |
| 174 | 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 |
| 176 | Annex C (informative) Expected cement or combination content with nominal proportions |
| 177 | Table C.1 — Target cement or combination contents for nominal proportions |
| 178 | Bibliography |
