GB/T 328.8-2007 English PDF (GBT328.8-2007)

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GB/T 328.8-2007: Test methods for building sheets for waterproofing -- Part 8: Bitumen sheets for waterproofing-tensile properties
GB/T 328.8-2007
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 91.120.30
Q17
Replacing GB/T 328.6-1989
Test methods for building sheets for
waterproofing - Part 8. Bitumen sheets for
waterproofing - Tensile properties
建筑防水卷材试验方法
第 8部分. 沥青防水卷材 拉伸性能
ISSUED ON. MARCH 26, 2007
IMPLEMENTED ON. OCTOBER 1, 2007
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
2 Normative references ... 6 
3 Terms and definitions ... 6 
4 Principle ... 7 
6 Sampling ... 7 
7 Preparation of test specimens ... 7 
8 Procedure ... 8 
9 Expression of results, evaluation and precision of test method ... 8 
10 Test report ... 9 
Foreword
GB/T 328 Test methods for building sheets for waterproofing is divided into 27 parts.
— Part 1. Bitumen plastic and rubber sheets for waterproofing - Rules for sampling;
— Part 2. Bitumen sheets for waterproofing - Visible defects;
— Part 3. Plastic and rubber sheets for waterproofing - Visible defects;
— Part 4. Bitumen sheets for waterproofing - Thickness and mass per unit area;
— Part 5. Plastic and rubber sheets for waterproofing - Thickness and mass per unit
area;
— Part 6. Bitumen sheets for waterproofing - Length width and straightness;
— Part 7. Plastic and rubber sheets for waterproofing - Length width straightness and
flatness;
— Part 8. Bitumen sheets for waterproofing - Tensile properties;
— Part 9. Plastic and rubber sheets for waterproofing - Tensile properties;
— Part 10. Bitumen plastic and rubber sheets for waterproofing – Water tightness;
— Part 11. Bitumen sheets for waterproofing - Flow resistance at elevated
temperature;
— Part 12. Bitumen sheets for waterproofing - Dimensional stability;
— Part 13. Plastic and rubber sheets for waterproofing - Dimensional stability;
— Part 14. Bitumen sheets for waterproofing - Flexibility at low temperature;
— Part 15. Plastic and rubber sheets for waterproof - Foldability at low temperature;
— Part 16. Plastic and rubber sheets for waterproofing - Exposure to liquid chemicals
including water;
— Part 17. Bitumen sheets for waterproofing - Adhesion of granules;
— Part 18. Bitumen sheets for waterproofing - Resistance to tearing (nail shank);
— Part 19. Plastic and rubber sheets for waterproofing - Resistance to tearing;
— Part 20. Bitumen sheets for waterproofing - Resistance to peeling of joints;
— Part 21. Plastic and rubber sheets for waterproofing - Resistance to peeling of joints;
— “Test conditions” is deleted (Clause 5 in Version 1989);
— “Definitions”, “principle”, “sampling” and “test report” are added (Clauses 3, 4, 6 and
10)
This Part was proposed by China Building Material Federation.
This Part shall be under the jurisdiction of National Light and Decorating Building
Materials Standardization Technical Committee (SAC/TC 195);
The responsible drafting organizations of this Part. China Chemical Building Materials
Corporation Suzhou Waterproofing Materials Research Institute AND Building Materials
Industrial Technology Supervision and Research Center.
The participating drafting organizations of this Part. Beijing Building Materials Academy of
Sciences Research, Zhejiang Building Materials Research Institute, CREC Sixth
Engineering Bureau Beijing Railway Construction Co., Ltd. Panjin Yuwang Waterproof
Building Material Group, Beijing Construction Partner Building Materials Co., Ltd.,
Hangzhou Lvdu Waterproof Materials Co, Ltd., Beijing Zhongxing Qingyun Building
Materials Co, Ltd., Beijing Century Star Waterproof Materials Co., Ltd., Xuzhou
Woniushan Thermal Insulation and Waterproof Technology Co., Ltd., Weifang Hongyuan
Waterproof Materials Co., Ltd., Weifang Yuhong Waterproof Group, Shandong Jinyuwang
Waterproof Materials Co., Ltd. AND Guangrao Xiangtai Waterproof Sheets Company.
The main drafters of this Part. Zhu Zhiyuan, Yang bin, Tan Chunli, Hong Xiaomiao, Zhan
Fumin, Wu Jinming, Zhang Guorong and Chen Jianhua.
The historical versions replaced by this Part are as follows.
— GB 328-1964, GB 328-1973 and GB/T 328.6-1989.
Test methods for building sheets for
waterproofing - Part 8. Bitumen sheets for
waterproofing - Tensile properties
1 Scope
This Party in GB/T 328 specifies the way of determining the tensile properties of bitumen
sheets for waterproofing.
2 Normative references
The articles contained in the following documents have become the articles of this Part
when they are quoted in this Part of GB/T 328. For the dated documents so quoted, all
subsequent modifications (excluding corrections) or revisions made thereafter do not
apply to this standard. However, the parties who reach an agreement according to this
standard are encouraged to study whether the latest versions of these documents may be
used. For the undated documents so quoted, the latest versions (including all modification
sheets) apply to this document.
GB/T 328.1 Test methods for building sheets for waterproofing - Part 1. Bitumen plastic
and rubber sheets for waterproofing - Rules for sampling
JJG 139-1999 Verification regulation of universal tension and compression testing
machine
3 Terms and definitions
For the purpose of this document, the following terms and definitions apply to this Part of
GB/T 328.
3.1 Maximum tensile force
The largest value of tensile force occurring during testing.
3.2 Elongation at maximum tensile force
Elongation of the test specimen occurring at the maximum tensile force.
3.3 Gauge length
The initial length, i.e. the distance between the grips or extensometer measuring points.
9.2 Precision of the test method
The precision of the test method is not specified.
10 Test report
The test report shall include at least the following information.
a) All details necessary to identify the product tested;
b) A reference to this Part in GB/T 328 and any deviation from it;
c) Information of sampling in accordance with clause 6;
d) Details of preparation of the test specimens in accordance with clause 7;
e) The test results in accordance with 9.1;
f) The date of the test.