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GB/T 26879-2025: Grain and oils storage - Technical specification of heat insulation in horizontal warehouse
Status: Valid GB/T 26879: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26879-2025 | English | 279 |
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Grain and oils storage - Technical specification of heat insulation in horizontal warehouse
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GB/T 26879-2025
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| GB/T 26879-2011 | English | 209 |
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Grain and oils storage -- Technology regulation of heat insulation in warehouse
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GB/T 26879-2011
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PDF similar to GB/T 26879-2025
Basic data | Standard ID | GB/T 26879-2025 (GB/T26879-2025) | | Description (Translated English) | Grain and oils storage - Technical specification of heat insulation in horizontal warehouse | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B20 | | Classification of International Standard | 65.040.20 | | Word Count Estimation | 14,113 | | Date of Issue | 2025-01-24 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26879-2025: Grain and oils storage - Technical specification of heat insulation in horizontal warehouse
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 65.040.20
CCSB20
National Standard of the People's Republic of China
Replaces GB/T 26879-2011
Technical specification for thermal insulation of flat warehouses for grain and oil storage
Released on 2025-01-24
2025-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Warehouse insulation technical requirements 3
4.1 Thermal insulation materials 3
4.2 Roof insulation structure
4.3 Silo roof insulation structure 4
4.4 Ceiling insulation structure 4
4.5 Warehouse wall insulation structure 5
4.6 Insulation of thermal bridges such as door and window openings 5
4.7 Other requirements 6
5 Technical requirements for grain pile insulation 6
5.1 Gland material 6
5.2 Basic methods of grain covering 6
5.3 Other requirements 6
6 Verification Methods 6
6.1 Warehouse insulation 6
6.2 Grain Pile Insulation 8
References 9
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 26879-2011 "Technical Specification for Thermal Insulation of Grain and Oil Storage Warehouses". Compared with GB/T 26879-2011,
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Deleted the terms and definitions of heat transfer for stored grain, enclosure structure, insulation material, polyurethane foam layer and grain pile sealing (see.2011
Versions 3.2, 3.3, 3.4, 3.9 and 3.10);
--- Changed the definitions of warehouse insulation, static insulation, dynamic insulation, roof insulation, ceiling insulation, and grain cover (see 3.1,
3.2, 3.3, 3.4, 3.5 and 3.6, 3.1, 3.5, 3.6, 3.7, 3.8 and 3.11 of the.2011 edition);
--- Added the terms and definitions of radiant cooling materials, aerogels, polyurethane insulation boards and thermal bridges (see 3.7, 3.8, 3.9 and 3.10);
--- Changed the requirements for polyurethane foam materials, thermal insulation coatings, ceiling materials, and overhead materials (see 4.1.2~4.1.5,.2011 edition
4.1.2~4.1.5);
--- Added radiation cooling materials, aerogel materials, polyurethane insulation boards, paving radiation cooling films or aerogel insulation coils for insulation, interior
Requirements for thermal insulation of polyurethane insulation boards pasted on walls (see 4.1.6~4.1.8, 4.3.3, 4.5.3);
--- Changed the requirements for thermal insulation of thermal bridges such as door and window openings (see 4.6, 4.6 of the.2011 edition);
--- Deleted "rice husk cover" and "quilt or blanket cover" (see 5.2.1 and 5.2.3 of the.2011 edition);
--- Changed "Chemical material gland" and "Other material gland" (see 5.2, 5.1.3, 5.2.2, 5.2.4 of the.2011 edition);
--- Changed "Thermal insulation precautions" (see 4.7, 5.3, Chapter 6 of the.2011 edition);
--- Added verification method (see Chapter 6).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the State Administration of Grain and Material Reserves.
This document is under the jurisdiction of the National Technical Committee on Cereals and Oils Standardization (SAC/TC270).
This document was drafted by. China National Grain Reserves Group Co., Ltd., Henan University of Technology, China National Grain Reserves Chengdu Storage Research Institute Co., Ltd.,
Liaoning Institute of Food Science.
The main drafters of this document are. Ye Zhenhong, Wang Dianxuan, Fu Pengcheng, Zhu Kai, Cao Yi, Li Haojie, Qin Ning, Liu Shengqiang, Zhao Jinhui, Zhao Xiaojun,
Li Yanhai, Xu Qingyu, Wang Jianlong, Gou Bin, Ma Chunbao.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2011 as GB/T 26879-2011;
---This is the first revision.
Technical specification for thermal insulation of flat warehouses for grain and oil storage
1 Scope
This document defines the terminology of thermal insulation technology for flat warehouses and grain piles, and specifies the requirements for thermal insulation technology for warehouses, grain piles and
For other requirements, describe the corresponding verification methods.
This document applies to the insulation technology treatment of newly built or renovated bunk warehouses to slow down the rise in grain temperature.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 1043.1 Determination of impact properties of simply supported plastic beams Part 1.Non-instrumented impact test
GB/T 5480 Test methods for mineral wool and its products
GB/T 6343 Determination of apparent density of cellular plastics and rubber
GB 8624-2012 Classification of combustion performance of building materials and products
GB/T 8810 Determination of water absorption of rigid cellular plastics
GB/T 8811 Test method for dimensional stability of rigid cellular plastics
GB/T 8813 Determination of compression properties of rigid cellular plastics
GB/T 9641 Test method for tensile properties of rigid cellular plastics
GB/T 9780 Test method for stain resistance of architectural coatings
GB/T 10294 Determination of steady-state thermal resistance and related properties of thermal insulation materials - Guarded hot plate method
GB/T 10295 Determination of steady-state thermal resistance and related properties of thermal insulation materials - Heat flow meter method
GB/T 10799 Determination of open and closed cell volume percentage of rigid cellular plastics
GB/T 13475 Determination and calibration of adiabatic steady-state heat transfer properties and guarded hot box method
GB/T 13519 Polyethylene heat shrinkable film for packaging
GB/T 17671 Test method for strength of cement mortar (ISO method)
GB 18580 Limits of formaldehyde emission from artificial boards and their products for interior decoration and renovation
GB 18582 Limits of Hazardous Substances in Building Wall Paints
GB/T 29061-2012 Functional films for architectural glass
GB/T 29890 Technical Specification for Grain and Oil Storage
GB 50016 Code for Fire Protection Design of Buildings
GB 50345-2012 Technical Specification for Roofing Engineering
GB 50404 Technical specification for rigid polyurethane foam thermal insulation and waterproofing engineering
HG/T 4341-2012 Heat reflective insulation coatings for metal surfaces
JC/T 942 Butyl rubber waterproof sealing tape
JG/T 235 Building reflective thermal insulation coating
JGJ/T 110 Test standard for bonding strength of facing tiles in building engineering
JGJ/T 261 Technical specification for exterior wall thermal insulation engineering
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