SVENSK STANDARD SS :2015

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SS 137006:2015

SVENSK STANDARD

Språk: engelska/English Utgåva: 2

Betongkonstruktioner – Utförande –

Tillämpning av SS-EN 13670:2009 i Sverige Concrete construction – Execution –

Application of SS-EN 13670:2009 in Sweden

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Fastställd: 2015-05-04

ICS: 91.010.30; 91.080.40; 91.100.30; 92.200.20

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SS 137006:2015 fastställdes 2015-05-04 och har utgivits i svensk språkversion. Detta dokument återger SS 137006:2015 i engelsk språkversion. De båda språkversionerna gäller parallellt.

Denna standard ersätter SS 137006:2012, utgåva 1.

SS 137006:2015 was approved and published 2015-05-04 in Swedish. This document contains an English language version of SS 137006:2015. The two versions are valid in parallel.

This standard supersedes the Swedish Standard SS 137006:2012, edition 1.

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LÄSANVISNINGAR FÖR STANDARDER

I dessa anvisningar behandlas huvudprinciperna för hur regler och yttre begränsningar anges i standardise- ringsprodukter.

Krav

Ett krav är ett uttryck i ett dokuments innehåll som anger objektivt verifierbara kriterier som ska uppfyllas och från vilka ing- en avvikelse tillåts om efterlevnad av dokumentet ska kunna åberopas. Krav uttrycks med hjälpverbet ska (eller ska inte för förbud).

Rekommendation

En rekommendation är ett uttryck i ett dokuments innehåll som anger en valmöjlighet eller ett tillvägagångssätt som be- döms vara särskilt lämpligt utan att nödvändigtvis nämna eller utesluta andra. Rekommendationer uttrycks med hjälpver- bet bör (eller bör inte för avrådanden).

Instruktion

Instruktioner anges i imperativ form och används för att ange hur något görs eller utförs. De kan underordnas en annan re- gel, såsom ett krav eller en rekommendation. De kan även användas självständigt, och är då att betrakta som krav.

Förklaring

En förklaring är ett uttryck i ett dokuments innehåll som förmedlar information. En förklaring kan uttrycka tillåtelse, möjlig- het eller förmåga. Tillåtelse uttrycks med hjälpverbet får (eller motsatsen behöver inte). Möjlighet och förmåga uttrycks med hjälpverbet kan (eller motsatsen kan inte).

READING INSTRUCTIONS FOR STANDARDS

These instructions cover the main principles for the use of provisions and external constraints in standardization delivera- bles.

Requirement

A requirement is an expression, in the content of a document, that conveys objectively verifiable criteria to be fulfilled, and from which no deviation is permitted if conformance with the document is to be claimed. Requirements are expressed by the auxiliary shall (or shall not for prohibition).

Recommendation

A recommendation is an expression, in the content of a document, that conveys a suggested possible choice or course of action deemed to be particularly suitable, without necessarily mentioning or excluding others. Recommendations are expressed by the auxiliary should (or should not for dissuasion).

Instruction

An instruction is expressed in the imperative mood and is used in order to convey an action to be performed. It can be sub- ordinated to another provision, such as a requirement or a recommendation. It can also be used independently and is then to be regarded as a requirement.

Statement

A statement is an expression, in the content of a document, that conveys information. A statement can express permission, possibility or capability. Permission is expressed by the auxiliary may (its opposite being need not). Possibility and capability are expressed by the auxiliary can (its opposite being cannot).

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Introduction

This Swedish application standard contains comments and clarifications to SS-EN 13670:2009 in order to facilitate its application in Sweden.

Annex J in this standard is a Swedish normative Annex that is not part of SS-EN 13670, in which requirements regarding competence for execution of concrete structures are given.

Annex L in this standard is a Swedish informative annex that is not part of SS-EN 13670, in which information about the Eurocodes and their national application is given.

The standard supplements SS-EN 13670:2009 and is intended to be used together with this standard. The contents of SS 137006:2015 correspond to what is proposed in SS-EN 13670:2009 for incorporation in a national annex to the standard.

This standard follows the framework of SS-EN 13670:2009. If there are Swedish choices and supplements under a certain subclause, all the titles above that level are included.

Annex J in this standard is a Swedish normative Annex that is not part of SS-EN 13670, in which requirements regarding competence for execution of concrete structures are given.

Annex L in this standard is a Swedish informative annex that is not part of SS-EN 13670, in which information about the Eurocodes and their national application is given.

Guidance about execution when lightweight aggregate concrete, other materials and constituents as well as special techniques are given in Betonghandboken — Arbetsutförande and in AMA Hus and AMA

Anläggning, respectively

In addition to editorial adjustments, the changes in relation to SS 137006:2012, edition 1, consist essentially of:

— Introduction of requirements for prestressing steel according to S 212551, SS 212552, SS 212553 and SS 212554 (7.2.3)

— Increase of cement types that may be used for injection of sheats (7.2.6)

— Clarification regarding testing during the receiving inspection (8.3)

— Further guidance on curing concrete (8.5)

— Requirements on competence for production of fresh concrete and prefabricated concrete elements have been deleted and moved to SS137003 and SS137005 respectively (Annex J)

— Annex K has been deleted, since the requirements on prestressing steel have been replaced by references to SS 212551, SS 212552, SS 212553 and SS 212554

— A new informative Annex L about the Eurocodes and their national application.

SS 137006:2015 (E)

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1 Scope

This standard:

— presents supplementary Swedish requirements, advice and recommendations where such are required or permitted in SS-EN 13670 and SS-EN 447

— gives instructions for the application of the informative annexes in SS-EN 13670

— gives non-contradictory supplementary information in order to facilitate the use of SS-EN 13670 in Sweden.

2 Normative references

This documented refers to the following documents, which are indispensable for the application of this document. For dated documents, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

SS-EN 206, Concrete – Specification, performance, production and conformity.

SS-EN 1992-1-1:2005, Eurocode 2: Design of concrete structures – Part 1-1: General rules and rules for buildings

SS-EN 10080:2005, Steel for reinforcement of concrete – Weldable reinforcing steel – General

SS 212540:2010, Product specification for SS-EN 10080:2005 – Steel for the reinforcement of concrete – Weldable reinforcing steel –Technical delivery conditions for bars, coils, welded fabric and lattice girders SS 212551, Prestressing steels – General requirements

SS 212552, Prestressing steels – Wire SS 212553, Prestressing steels – Strand SS 212554, Prestressing steels - Bars

NOTE. References to SS-EN 206-1 in SS-EN 13670 and in other standards always means a reference to the valid edition of SS-EN 206 including the edition of the related national application standard SS-137003.

3 Terms and definitions

For the application of this document, the following term and definition applies:

3.7 execution class

classified set of requirements specified for the execution of the works as a whole or for an individual compo- nent

NOTE 1 to the term: In the predecessor to EN 13670:2009, ENV 13670-1, the term Inspection Class was used for this concept, which in the Swedish version was translated as "kontrollklass".

NOTE 2 to the term: Note that execution classes according to SS-EN 13670:2009 does not have the same meaning as execution classes according to BBK 04. Execution classes according to BBK correspond to competence classes, see Annex J.

4 Execution management

4.1 Assumptions

(3) and (4) Requirements on competence for execution of concrete structures are given in Annex J.

SS 137006:2015 (E)

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5 4.2 Documentation

4.2.1 Execution specification

NOTE. to (2) Instead of a national annex to SS-EN 13670:2009, this standard (SS 137006) has been prepared with the corresponding purpose and content.

4.3 Quality management 4.3.1 Execution classes

NOTE to (5) and (7) According to the national application rules for the Eurocodes (see annex L), it is assumed that, at the minimum, execution class 2 is used for the execution of load-bearing concrete structures.

5 Falsework and formwork

5.7 Removal of falsework and formwork

(1) Unless otherwise specified in the execution specification, the compressive strength should be at least 70

% of the required strength when load-bearing formwork is removed.

NOTE The opening for requirements on strength is given in Annex C, 5.7 in SS-EN 13670.

6 Reinforcement

6.2 Materials

(1) Reinforcement shall fulfil requirements according to SS-EN 10080:2005 and according to the national application rules for the Eurocodes (see Annex L). Stainless steel reinforcement shall be tested in the same way and fulfil the same requirements as other steel reinforcement.

NOTE. 1 The European standard for reinforcing steel SS-EN 10080:2005 specifies properties and test methods needed for reinforcing steel, but does not give complete specifications for the reinforcement and can therefore not be used alone as a reference. Nor is it applicable for the CE-marking of reinforcement.

NOTE. 2 SS 212540:2010 is a product specification for SS-EN 10080:2005, where the requirements given in SS-EN 1992-1-1:2005 and the national application rules that are valid at the date of issue of SS 137006 are taken into account.

6.3 Bending, cutting, transport and storage of the reinforcement.

(2) and (3) For the diameter of the mandrel used when bending reinforcement, including welded fabrics, SS- EN 1992-1-1:2005, 8.3 applies.

NOTE. Bending is also treated in the national application rules for the Eurocodes (see Annex L).

6.5 Joints

NOTE to (2) Note that the rules in SS-EN 1992-1-1:2005, 8.7 also apply for "running metres".

SS 137006:2015 (E)

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7 Prestressing

7.2 Materials for prestressing 7.2.3 Tensile elements

(1) Prestressing steel shall fulfil the basic requirements according to SS 212551 and:

— SS 212552, for wire

— SS 212553, for strand

— SS 212524, for bars.

For certain applications, requirements on relaxation resistance and resistance to stress corrosion are also specified. For structures subjected to fatigue, fatigue resistance is also specified.

NOTE. Since EN 10138 is not yet published, these Swedish standards, which are based on prEN 10138-1, - 2, -3 and -4 have been published

7.2.6 Cement-based grout

(1) In addition to CEM I, CEM II/A-S, CEM II/A-V, CEM II/A-LL and CEM II/A-M according to SS-EN 197-1 may also be used in grout.

NOTE. National choice in SS-EN 447.

8 Concreting

8.1 Specification of concrete

NOTE to (1) Note that the edition of the national application standard SS137003, which is related to the valid edition of SS-EN 206, shall be taken into consideration.

8.2 Pre-concreting operations

NOTE to (9) Further guidance on winter concreting is given in Betonghandboken – Arbetsutförande, section 17.

8.3 Delivery, reception and site transport of fresh concrete

NOTE to (2) According to SS-EN 206, 7.5, all adjustments of the composition of the concrete at the site shall be agreed between the concrete producer and the client and shall be documented.

(4) Testing of air content immediately before casting is carried out as a part of the client's own inspection.

The testing can also be carried out by the concrete producer if this is agreed. Otherwise, testing of the properties of ready mixed concrete during receiving inspection is only performed in case of doubt.

8.4 Placing and compaction 8.4.3 Self Compacting Concrete

NOTE 1 to (1) Additional requirements for Self Compacting Concrete (SCC) are given in SS-EN 206. Minimum requirements on competence when SCC is used are given in Annex J.

NOTE 2 to (1) Further guidance on the use of SCC can be found in Report no 10 from the Swedish Concrete Asso- ciation, ”Självkompakterande betong – Rekommendationer för användning”.

SS 137006:2015 (E)

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7 8.4.6 Underwater concreting

A person responsible for the management and supervision of the casting shall be appointed, and this person shall fulfil the requirements for competence class I-U according to Annex J. The labour management and the operating and sampling personnel shall have good knowledge of underwater concreting.

NOTE Guidance about underwater concreting can be found in Betonghandbok - Arbetsutförande, section 26.

8.5 Curing and protection

NOTE to (1) According to the Glossary of Concrete Terms, curing is defined as measures taken after casting of fresh concrete in order to promote the development of its desired properties. Note that the hardening of the concrete is not included in this term.

NOTE to (4) The curing starts at the latest when the stiffening of the concrete starts.(7) For concrete in exposure class X0 and XC1, curing class 1 can be applied. For concrete that will be used in exposure class XC2, at least curing 2 should be used. For concrete intended for other exposure classes than X0, XC1 and XC2, at least curing class 3 should be applied.

In the following cases, curing class 4 should be used:

— If the concrete will be subjected to extensive abrasion.

— If particularly sensitive concrete types are used.

— If the structure is particularly sensitive to detrimental influences at early age.

(9) Required curing time for curing classes 2 - 4 should be based on the methods given in Annex F, F.8.5 (3).

For the curing classes 2 and 3, Tables F.1 and F.2 respectively, in Annex F can be used, if the temperature variations in the surroundings during the curing period are not anticipated to fall below + 5 °C and not vary by more than ± 10 C.

The surface temperature refers to the mean temperature during the curing period determined at a maximum depth in the concrete of 10 mm from the surface

As an alternative to using the surface temperature of the concrete to determine the curing time according to Tables F.1 and F.2, the average ambient temperature during the curing can be used. The ambient temperature shall then be measured with a temperature sensor that is protected from direct sunlight and not placed close to heat sources, such as radiators, chimneys, heat generating appliances and similar.

It is not appropriate to use the simplified method in Table F.3 in curing class 4.

NOTE: Opening for national choices can be found in Annex H.

(13) The temperature during curing in concrete parts which will be subjected to wet or to cyclic wet environ- ments is not permitted to exceed + 60 C, if the cement has a Na²Oeqv content greater than 3,5 kg/m³and the cement has a SO³ content greater than 3,5 % mass fraction.

NOTE to (14) Guidance on heat curing can be found in Betonghandboken – Arbetsutförande, section 15.7. For heating during winter concreting, see NOTE to 8.2 (9) above.

NOTE to (16) Guidance on measures intended to diminish the risk for temperature cracks are given in Betonghandboken – Arbetsutförande, section 27 and in AMA Anläggning

8.8 Surface Finish

NOTE Guidance for specification of requirements on concrete surfaces can be found in Report 14 from the Swedish Concrete Association, "Att beskriva betongytor",

SS 137006:2015 (E)

SVENSK STANDARD SS :2015

SS 137006:2015

SVENSK STANDARD

Betongkonstruktioner – Utförande –

Tillämpning av SS-EN 13670:2009 i Sverige Concrete construction – Execution –

Application of SS-EN 13670:2009 in Sweden

LÄSANVISNINGAR FÖR STANDARDER

READING INSTRUCTIONS FOR STANDARDS

Contents

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Execution management

5 Falsework and formwork

6 Reinforcement

7 Prestressing

8 Concreting