BS 8500-2:2023 – TC

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Tracked Changes. Concrete. Complementary British Standard to BS EN 206 – Specification for constituent materials and concrete

Published By	Publication Date	Number of Pages
BSI	2023	137

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Categories: 91.100.30 - Concrete and concrete products, BSI

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PDF Pages	PDF Title
1	30483643
85	A-30471317
89	Foreword
91	Introduction 1 Scope 2 Normative references
93	3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions
94	3.2 Symbols and abbreviations 4 Complementary requirements for constituent materials 4.1 General 4.2 Cement, additions and combinations
97	Table 1 — General purpose cements and combinations
98	4.3 Aggregates
99	Table 2 — Magnesium sulfate soundness category for freeze-thaw resisting normal‑weight and heavy‑weight aggregates
100	Table 3 — Limitations on the use of coarse CCA
101	Table 4 — Requirements for coarse crushed concrete aggregate A)
102	Table 5 — Requirements for coarse recycled aggregate 4.4 Admixtures
103	4.5 Fibres 5 Complementary basic requirements for concrete 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
104	5.4 Requirements for hardened lightweight concrete 5.5 Quantity of concrete 6 Designated concrete 6.1 General 6.2 Product conformity certification and control
105	6.3 Constituent materials Table 7 — Requirements for designated concretes for general applications
106	Table 8 — Summary of requirements for designated cement‑bound concretes
107	Table 9 — Range of aggregate grading for cement‑bound concrete 6.4 Concrete requirements
108	7 Designed concrete 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
109	8 Prescribed concrete 9 Standardized prescribed concrete 9.1 General 9.2 Constituent materials
110	9.3 Concrete requirements
111	Table 11 — Mix proportions for standardized prescribed concretes using class 32,5 cements and combinations
112	Table 12 — Mix proportions for volume batching of ST1, ST2 and ST3 9.4 Production control 10 Proprietary concrete
113	Annex A (normative) Production, transport, delivery, conformity testing and conformity criteria
114	Table A.1 — Tolerances for constituents when batching less than one cubic metre of concreteA) Table A.2 — Materials control for CCAA)
117	Table A.3 — Additional compressive strength classes to those given in BS EN 206:2013+A2:2021
118	Annex B (normative) Conformity procedure for combinations
119	Table B.1 — Requirements for the compressive strength of combinations
121	Annex C (normative) Minimizing the risk of damaging alkali‑silica reaction in concrete
123	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
124	Table C.2 — Reactivity of constituents of aggregates used in concrete in the UK
125	Table C.3 — Concrete alkali limits for aggregates containing more than 10% high reactivity materials
126	Annex D (informative) Example of the conformity procedure given in Annex B
127	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
128	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
129	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
130	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
132	Figure D.1 — Determination of conformity limits for combinations
133	Annex E (informative) BS 8500 provisions linked to BS EN 206 requirements 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
135	Bibliography

Additional information

Status	Definitive
Pages	137
Publication Date	2023-11-23
ISBN	978 0 539 29610 5
Standard Number	BS 8500-2:2023 – TC
Title	Tracked Changes. Concrete. Complementary British Standard to BS EN 206 – Specification for constituent materials and concrete
Descriptors	Construction materials, Chlorides, Classification systems, Conformity, Environment (working), Composition, Quality control, Cements, Grades (quality), Strength of materials, Verification, Aggregates, Alkalis, Cement and concrete technology, Concrete admixtures, Delivery, Production, Test methods, Selection, Concretes, Compressive strength
Publisher	BSI
Committee	B/517/1
ICS Codes	91.100.30 - Concrete and concrete products

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