GB/T 32382-2015 English PDF (GB/T32382-2015)

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GB/T 32382-2015: Thermal insulating products for build applications -- Determination of shear behaviour
GB/T 32382-2015
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.10
Q 25
GB/T 32382-2015 / ISO 16537.2012
Thermal insulating products for build applications -
Determination of shear behavior
(ISO 16537.2012, IDT)
ISSUED ON. DECEMBER 31, 2015
IMPLEMENTED ON. NOVEMBER 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Principle... 5 
5 Apparatus ... 5 
6 Test specimens ... 9 
7 Procedure ... 10 
8 Calculation and expression of results ... 11 
9 Accuracy of measurement ... 12 
10 Test report ... 12 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard uses translation method to make it identical with ISO 16537.2012
Thermal insulating products for building applications - Determination of shear
behavior. They are exactly identical in technical content.
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Thermal Insulating Materials of Standardization Administration of China.
The drafting organizations of this Standard. Nanjing Fiberglass Research and
Design Institute Ltd., National Glass Fiber Product Quality Supervision and
Inspection Center.
Main drafters of this Standard. Fang Yunwei, Ma Dan, Xu Qi, Hao Zhengtao,
Cui Jun, Chen Jianming, Huang Ying, Li Junguang.
Thermal insulating products for build applications -
Determination of shear behavior
1 Scope
This Standard specifies the equipment and procedures for determining shear
behaviour. It is applicable to thermal insulating products.
NOTE The tests described in this Standard do not determine pure shear behaviour, but
measure the effects of applying two opposite parallel forces to the major faces of the test
specimen. The test is, however, called “shear” in this text by convention. The application
of a force tangentially to the major surface of the test specimen is considered to represent
more closely the stresses imposed upon thermal insulation products in many building
applications, particularly walls, than other methods of measuring shear performance, e.g.
bending tests.
2 Normative references
The following referenced document is 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.
ISO 29768 Thermal insulating products for building applications -
Determination of linear dimensions of test specimens
3 Terms and definitions
For the purposes of this document, the following definitions apply.
3.1 shear strength,
ratio of the maximum force applied to the product, which will cause rupture
along a plane parallel to the direction of the applied force, to the area of the
plane on which the force acts
3.2 shear modulus; G
shear stress divided by the corresponding relative deformation below the
proportional limit, when the relationship is linear
GB/T 32382-2015
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.10
Q 25
GB/T 32382-2015 / ISO 16537.2012
Thermal insulating products for build applications -
Determination of shear behavior
(ISO 16537.2012, IDT)
ISSUED ON. DECEMBER 31, 2015
IMPLEMENTED ON. NOVEMBER 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration Committee.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Principle... 5 
5 Apparatus ... 5 
6 Test specimens ... 9 
7 Procedure ... 10 
8 Calculation and expression of results ... 11 
9 Accuracy of measurement ... 12 
10 Test report ... 12 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard uses translation method to make it identical with ISO 16537.2012
Thermal insulating products for building applications - Determination of shear
behavior. They are exactly identical in technical content.
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Thermal Insulating Materials of Standardization Administration of China.
The drafting organizations of this Standard. Nanjing Fiberglass Research and
Design Institute Ltd., National Glass Fiber Product Quality Supervision and
Inspection Center.
Main drafters of this Standard. Fang Yunwei, Ma Dan, Xu Qi, Hao Zhengtao,
Cui Jun, Chen Jianming, Huang Ying, Li Junguang.
Thermal insulating products for build applications -
Determination of shear behavior
1 Scope
This Standard specifies the equipment and procedures for determining shear
behaviour. It is applicable to thermal insulating products.
NOTE The tests described in this Standard do not determine pure shear behaviour, but
measure the effects of applying two opposite parallel forces to the major faces of the test
specimen. The test is, however, called “shear” in this text by convention. The application
of a force tangentially to the major surface of the test specimen is considered to represent
more closely the stresses imposed upon thermal insulation products in many building
applications, particularly walls, than other methods of measuring shear performance, e.g.
bending tests.
2 Normative references
The following referenced document is 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.
ISO 29768 Thermal insulating products for building applications -
Determination of linear dimensions of test specimens
3 Terms and definitions
For the purposes of this document, the following definitions apply.
3.1 shear strength,
ratio of the maximum force applied to the product, which will cause rupture
along a plane parallel to the direction of the applied force, to the area of the
plane on which the force acts
3.2 shear modulus; G
shear stress divided by the corresponding relative deformation below the
proportional limit, when the relationship is linear