February 21, 2017 | Author: Michelle Yik | Category: N/A
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NA to SS EN 1992-3 : 2010
(ICS 91.010.30; 91.080.40)
SINGAPORE STANDARD
Singapore National Annex to Eurocode 2 : Design of concrete structures – Part 3 : Liquid retaining and containment structures
Published by
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NA to SS EN 1992-3 : 2010 (ICS 91.010.30; 91.080.40)
SINGAPORE STANDARD
Singapore National Annex to Eurocode 2 : Design of concrete structures – Part 3 : Liquid retaining and containment structures
All rights reserved. Unless otherwise specified, no part of this Singapore Standard may be reproduced or utilised in any form or by any means, electronic or mechanical, including photocopying and microfilming, without permission in writing from SPRING Singapore at the address below:
Standards SPRING Singapore 1 Fusionopolis Walk, #01-02 South Tower, Solaris Singapore 138628 Email :
[email protected]
ISBN 978-981-4278-58-4
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NA to SS EN 1992-3 : 2010 This Singapore Standard was approved by the Building and Construction Standards Committee on behalf of the Standards Council of Singapore on 13 September 2010. First published, 2010 The Building and Construction Standards Committee appointed by the Standards Council consists of the following members: Name
Capacity
: Mr Goh Peng Thong
Member, Standards Council
1 Dy Chairman : Mr Lee Chuan Seng
Member, Standards Council
Chairman st
2
nd
Dy Chairman : Mr Tan Tian Chong
Member, Standards Council
Secretary
: Ms Tan Chiew Wan
SPRING Singapore
Members
: Mr Boo Geok Kwang
Singapore Civil Defence Force
Er. Chan Ewe Jin
Institution of Engineers, Singapore
Mr Chan Yew Kwong
Ministry of Manpower
Mr Paul Fok
Land Transport Authority
Mr Goh Ngan Hong Mr Anselm Gonsalves
Singapore Institute of Surveyors and Valuers National Environment Agency
Mr Desmond Hill
Singapore Contractors Association Limited
Mr Benedict Lee Khee Chong
Singapore Institute of Architects
Ms Andris Leong
Building and Construction Authority
Assoc Prof Leong Eng Choon
Nanyang Technological University
Dr Lim Lan-Yuan
Mr Larry Ng Lye Hock
Association of Property and Facility Managers Real Estate Developers’ Association of Singapore Urban Redevelopment Authority
Assoc Prof Gary Ong Khim Chye
National University of Singapore
Mr Davis Ong Wee Choon
Singapore Manufacturers’ Federation
Er. Shum Chee Hoong
Housing & Development Board
Dr Tan Guan
Association of Consulting Engineers, Singapore JTC Corporation
Mr McDonald Low
Mr Tang Pei Luen Co-opted Members
: Prof Choo Yoo Sang
National University of Singapore
Dr Tam Chat Tim
Individual Capacity
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NA to SS EN 1992-3 : 2010 The Technical Committee on Building Structure and Sub-structure appointed by the Building and Construction Standards Committee and responsible for the preparation of this standard consists of representatives from the following organisations: Name
Capacity
Chairman
: Dr Tan Guan
Member, Building and Construction Standards Committee
Co-Chairman
: Er. Chew Keat Chuan
Building and Construction Authority
Secretary
: Ms Lee Hiok Hoong
SPRING Singapore
Members
: Er. Chan Ewe Jin
Institution of Engineers, Singapore
Co-opted Members
LTC Cheok Poh Chin
Singapore Civil Defence Force
Dr Ho Nyok Yong
Singapore Contractors Association Limited
Mr Ho Wan Boon
Singapore Structural Steel Society
Mdm Neo Bian Hong
Land Transport Authority
Assoc Prof Gary Ong Khim Chye
Singapore Concrete Institute
Mr Sze Thiam Siong
Setsco Services Pte Ltd
Er. Angeline Tan Bee Hoon
Housing & Development Board
Er. Tan Jui Teck
CPG Corporation Pte Ltd
Prof Tan Kiang Hwee
National University of Singapore
Er. Tang Pei Luen
JTC Corporation
Assoc Prof Susanto Teng
Nanyang Technological University
: Dr Tam Chat Tim
Individual Capacity
Dr Tan Teng Hooi
Individual Capacity
The following Technical Experts contributed in their individual capacity to the preparation of this standard: Dr Gary Ong Khim Chye (WG Convenor) Er. Thung Sek Kwang (WG Secretary) Er. Aw Boon Leong LTC Cheok Poh Chin Er. Foo See Lim Er. Leow Yung Guan Dr Li Bing Er. Phang Siew Kheong Er. Angeline Tan Bee Hoon Prof Tan Kiang Hwee Dr Tan Teng Hooi Ms Iveena Toh Er. Joanne Wong Pui Fun
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NA to SS EN 1992-3 : 2010 The organisations in which the experts are involved are: ABL Consultants Building and Construction Authority Fong Consult Pte Ltd Housing & Development Board Land Transport Authority Meinhardt Infrastructure Pte Ltd Nanyang Technological University National University of Singapore Singapore Civil Defence Force Singapore Concrete Institute Surbana International Consultants Pte Ltd T.Y.Lin International Pte Ltd
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NA to SS EN 1992-3 : 2010
Contents Page National Foreword
6
CLAUSES NA.1
Scope
7
NA.2
Nationally determined parameters
7
NA.3
Decisions on the status of informative annexes
8
NA.4
References to non-contradictory complementary information
8
Bibliography
9
TABLES NA.1
Singapore values for nationally determined parameters described in SS EN 1992-3:2010
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7
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NA to SS EN 1992-3 : 2010
National Foreword This National Annex was prepared by the Technical Committee on Building Structure and Substructure under the purview of the Building and Construction Standards Committee. This standard is an adoption of the UK National Annex (NA to BS EN 1992-3 : 2006) to Eurocode 2 : Design of concrete structures – Part 3 : Liquid retaining and containment structures and is implemented with the permission of the British Standards Publishing Ltd. Acknowledgement is made to BSI for the use of information from the above publication. This Singapore NA contains information on those parameters which are left open in EN 1992-3 for national choice, known as nationally determined parameters. The Singapore NA is to be read in conjunction with the SS EN 1992-3 : 2010 – Eurocode 2 : Design of concrete structures – Part 3 : Liquid retaining and containment structures. Attention is drawn to the possibility that some of the elements of this Singapore Standard may be the subject of patent rights. SPRING Singapore shall not be held responsible for identifying any or all of such patent rights.
NOTE 1.
Singapore Standards are subject to periodic review to keep abreast of technological changes and new technical developments. The changes in Singapore Standards are documented through the issue of either amendments or revisions.
2.
Compliance with a Singapore Standard does not exempt users from legal obligations.
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NA to SS EN 1992-3 : 2010
Singapore National Annex to SS EN 1992-3 : 2010 – Eurocode 2 : Design of concrete structures – Part 3 : Liquid retaining and containment structures NA.1 Scope This National Annex gives: a)
the Singapore decisions for the Nationally Determined Parameters described in the following subclauses of SS EN 1992-3:2010: −
7.3.1 (111)
−
7.3.1 (112)
−
7.3.3
−
8.10.1.3 (103)
−
9.11.1 (102)
b)
decisions on the status of SS EN 1992-3:2010 informative annexes; and
c)
references to non-contradictory complementary information.
NA.2 Nationally determined parameters Singapore decisions for the nationally determined parameters described in SS EN 1992-3:2010 are given in Table NA.1. Table NA.1 – Singapore values for nationally determined parameters described in SS EN 1992-3:2010 Subclause
7.3.1 (111)
Nationally determined parameter Values of wk1
Eurocode recommendation
For hD/h ≤ 5,wk1 = 0.2 mm For hD/h ≥ 35,wk1 = 0.05 mm
Singapore decision
Use the recommended values
For intermediate values of hD/h linear interpolation between 0.2 and 0.05 may be used 7.3.1 (112)
Value of xmin
The lesser of 50 mm or 0.2h where h is the element thickness Figure 7.103N and Figure 7.104N
Use the recommended value Use the recommended values
7.3.3
Maximum bar diameter and bar spacing
8.10.1.3 (103)
Value of k
0.25
Values of t1 and t2
t1 = 120 mm t2 = 150 mm
Use the recommended value Use the recommended values
9.11.1 (102)
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NA to SS EN 1992-3 : 2010
NA.3 Decisions on the status of informative annexes SS EN 1992-3:2010, Annexes L, M and N may be used. SS EN 1992-3:2010, Annex K should not be used. PD 6687-11), includes an alternative informative annex which should be used instead.
NA.4 References to non-contradictory complementary information CIRIA Report C660 Early-age thermal crack control in concrete [1] provides further complementary guidance on the control of early thermal cracking.
1) In preparation
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NA to SS EN 1992-3 : 2010
Bibliography Standards publications For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. PD 6687-1, Background paper to the UK National Annexes to Eurocode 2, Parts 1 and 3. Other publications [1] CIRIA. Early-age thermal crack control in concrete. Report C660, CIRIA, 20073).
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NA to SS EN 1992-3 : 2010 ABOUT SPRING SINGAPORE SPRING Singapore is an agency under the Ministry of Trade and Industry responsible for helping Singapore enterprises grow and building trust in Singapore products and services. As the national standards and accreditation body, SPRING develops and promotes an internationally-recognised standards and quality assurance infrastructure. SPRING also oversees the safety of general consumer goods in Singapore. As the enterprise development agency, SPRING works with partners to help enterprises in financing, capability and management development, technology and innovation, and access to markets. SPRING Singapore 1 Fusionopolis Walk #01-02 South Tower, Solaris Singapore 138628 Tel: 6278 6666 Fax: 6278 6667 E-mail:
[email protected] Website: http://www.spring.gov.sg
ABOUT THE NATIONAL STANDARDISATION PROGRAMME Under the national standardisation programme, SPRING Singapore helps companies and industry to meet international standards and conformity requirements by creating awareness of the importance of standardisation to enhance competitiveness and improve productivity, co-ordinating the development and use of Singapore Standards and setting up an information infrastructure to educate companies and industry on the latest developments. SPRING Singapore is vested with the authority to appoint a Standards Council to advise on the preparation, publication and promulgation of Singapore Standards and Technical References and their implementation. Singapore Standards are in the form of specifications for materials and products, codes of practice, methods of test, nomenclature, services, etc. The respective committee or working group will draw up the standards before seeking final approval from the Standards Council or the relevant Standards Committee. To ensure adequate representation of all viewpoints in the preparation of Singapore Standards, all committees appointed consist of representatives from various interest groups which include government agencies, professional bodies, tertiary institutions and consumer, trade and manufacturing organisations. Technical References are transition documents developed to help meet urgent industry demand for specifications or requirements on a particular product, process or service in an area where there is an absence of reference standards. Unlike Singapore Standards, they are issued for comments over a period of two years before assessment on their suitability for approval as Singapore Standards. All comments are considered when a technical reference is reviewed at the end of two years to determine the feasibility of its transition to a Singapore Standard. Technical References can therefore become Singapore Standards after two years, continue as Technical References for further comments or be withdrawn. In the international arena, SPRING Singapore represents Singapore in the International Organisation of Standardisation (ISO), the Asia-Pacific Economic Co-operation (APEC) Sub-committee for Standards and Conformance (SCSC) and in the ASEAN Consultative Committee on Standards and Quality (ACCSQ). The Singapore National Committee of the International Electrotechnical Commission which is supported by SPRING Singapore, represents Singapore in the IEC.
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The Singapore Standardisation Programme is managed by SPRING Singapore 1 Fusionopolis Walk, #01-02 South Tower, Solaris Singapore 138628 Tel : +65 6278 6666 Fax : +65 6278 6667 www.spring.gov.sg
