Standard No.:	GB/T 26978.3-2011
English Name:	Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of liquefied natural gases - Part 3: Concrete components
Chinese Name:	现场组装立式圆筒平底钢质液化天然气储罐的设计与建造 第3部分：混凝土构件
Chinese Classification:	E24    Natural gas
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2011-9-29
Implemented on:	2012-3-1
Status:	superseded
Superseded by:	GB/T 26978-2021 Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of cryogenic liquefied gas
Superseded on:	2022-7-1
Target Language:	English
File Format:	PDF
Word Count:	10000 words
Translation Price(USD):	300.0
Delivery:	via email in 1 business day

Design and Manufacture of Site Built, Vertical, Cylindrical, Flat-bottomed Steel Tanks for the Storage of Liquefied Natural Gases — Part 3: Concrete Components 1 Scope This part specifies general requirements for materials, design and construction of the concrete components of the liquefied natural gas storage tanks. This part is applicable to the design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of liquefied natural gases with operating temperatures between 0 °C and -165 °C. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 26978.1-2011 Design and Manufacture of Site Built, Vertical, Cylindrical, Flat-bottomed Steel Tanks for the Storage of Liquefied Natural Gases — Part 1: General GB/T 26978.2-2011 Design and Manufacture of Site Built, Vertical, Cylindrical, Flat-bottomed Steel Tanks for the Storage of Liquefied Natural Gases — Part 2: Metallic Components EN 206-1 Concrete — Part 1: Specification, Performance, Production and Conformity EN 1992-1-1:2004 Eurocode 2: Design of Concrete Structures — Part 1-1: General Rules and Rules for Buildings EN 1992-1-2:2004 Eurocode 2: Design of Concrete Structures — Part 1-2: General Rules — Structural Fire Design 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 26978.1-2011 and the following apply. 3.1 low temperature temperature lower than -20 °C 4 General For material selection and design of normal reinforced concrete and/or pre-stressed concrete structures, reference is made to EN 1992-1-1. 5 Vapour Tightness To ensure vapour tightness of the outer tank (e.g. in a full containment tank) metallic liners or polymeric coatings shall be used.

Foreword III 1 Scope 2 Normative References 3 Terms and Definitions 4 General 5 Vapour Tightness 6 Materials 6.1 General 6.2 Concrete 6.3 Pre-stressing and reinforcing steel 6.3.1 Pre-stressing steel and anchors 6.3.2 Reinforcing steel 7 Design 7.1 General 7.2 Partial factors for actions and combinations of actions 7.3 Liquid tightness 8 Detailing Provisions 8.1 General 8.2 Pre-stressing 8.3 Wall design 8.4 Steel roof liner 8.5 Construction joints 8.6 Position of tendons and wires 8.7 Concrete cover 8.8 Minimum reinforcement 8.9 Reinforced concrete bund walls 9 Construction and Workmanship 9.1 General 9.2 Crack control 9.3 Formwork and tie-rods 9.4 Spacers 9.5 Curing 9.6 Tolerances 10 Liners and Coatings 10.1 General 10.2 Liners 10.3 Coatings 10.4 Thermal protection system (TPS) Annex A (informative) Materials Annex B (Informative) Pre-stressed Concrete Tank Annex NA (Informative) Technical Deviations between This Part and EN 14620-3 2006 and Their Justifications Bibliography