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GB/T 26745-2021: Basalt fiber composites for civil engineering structures
Status: Valid GB/T 26745: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26745-2021 | English | 279 |
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Basalt fiber composites for civil engineering structures
| Valid |
GB/T 26745-2021
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| GB/T 26745-2011 | English | 559 |
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Basalt fiber composites for strengthening and restoring structures
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GB/T 26745-2011
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PDF similar to GB/T 26745-2021
Basic data | Standard ID | GB/T 26745-2021 (GB/T26745-2021) | | Description (Translated English) | Basalt fiber composites for civil engineering structures | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q23 | | Word Count Estimation | 14,177 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26745-2021: Basalt fiber composites for civil engineering structures---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.
Basalt fiber composites for civil engineering structures
ICS 83.120
CCSQ23
National Standards of People's Republic of China
Replace GB/T 26745-2011
Basalt fiber composite material for civil engineering structure
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
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 of Standardization Documents"
Drafting.
This document replaces GB/T 26745-2011 "Basalt Fiber Composite Materials for Structural Reinforcement and Repair", and is similar to GB/T 26745-2011
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The standard name was changed to "Basalt fiber composite materials for civil engineering structures";
b) The scope has been changed, and the application of basalt fiber composite materials has been expanded from structural reinforcement and repair to structural reinforcement (see Chapter 1,.2011
Chapter 1 of the Year Edition);
c) The product classification of basalt fiber composite panels and basalt fiber composite ribs has been changed (see 4.1,.2011 edition
4.1);
d) The product specifications of basalt fiber composite plates and basalt fiber composite ribs have been changed (see 4.2,.2011 edition
4.2);
e) The product markings of basalt fiber composite panels and basalt fiber composite ribs have been changed (see 4.3,.2011 edition
4.3);
f) The tensile mechanical properties of the basalt fiber composite board have been changed (see Table 5, Table 5 of the.2011 edition);
g) Modified the tensile mechanical properties of basalt fiber composite bars (see Table 6, Table 6 of the.2011 edition);
h) The creep rupture stress of the basalt fiber composite bar has been added (see 5.5);
i) The requirements for alkali corrosion resistance of basalt fiber reinforced composite materials have been added (see 5.6);
j) The requirements and test methods for creep properties of basalt fiber composite bars have been added (see 6.5 and Appendix B).
This document was proposed by the China Building Materials Federation.
This document is under the jurisdiction of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39).
Drafting organizations of this document. Zhejiang Shijin Basalt Fiber Co., Ltd., Southeast University, Jiangsu Green Material Valley New Material Technology Development Co., Ltd.
Company, Beijing University of Science and Technology, China Metallurgical Construction Research Institute Co., Ltd., Beijing Texida Technology Co., Ltd., Tongji University, Harbin Institute of Technology
Science, Tsinghua University, Hong Kong Polytechnic University Shenzhen Research Institute, PLA Army Engineering University, JSTI Group Co., Ltd., four
Chuanbysite High-tech Co., Ltd.
The main drafters of this document. Wu Zhishen, Wang Xin, Yue Qingrui, Xue Weichen, Xian Guijun, Feng Peng, Dai Jianguo, Li Rong, Wei Xing, Zhang Jiandong, Li Feng,
Chen Xingfen, Jiang Jianbiao, Xu Jiayang, Liu Jun.
This document was first published in.2011, and this is the first revision.
Basalt fiber composite material for civil engineering structure
1 Scope
This document specifies the classification, specifications and markings, requirements, test methods, and inspection rules of basalt fiber composite materials for civil engineering structures.
Then, marking, packaging, transportation and storage.
This document is applicable to basalt fiber composite materials used in civil engineering structural reinforcement and restoration and new structures.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 1463 Fiber-reinforced plastic density and relative density test method
GB/T 3354 Test method for tensile properties of oriented fiber reinforced polymer matrix composites
GB/T 9914.3 Test methods for reinforced products Part 3.Determination of mass per unit area
GB/T 21490-2008 Carbon fiber sheet for structural reinforcement and repair
GB/T 30022 Test method for basic mechanical properties of fiber reinforced composite material bars
GB/T 34551 Test method for high temperature alkali resistance of glass fiber reinforced composite material bars
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Basalt fiber unidirectional cloth unidirectionalbasalt fibersheet
A cloth-like basalt fiber product composed of unidirectional continuous basalt fiber without resin impregnation and curing.
3.2
Basalt fiber-reinforced polymerplate
A slab-shaped basalt fiber composite product composed of basalt fiber and its fabric, impregnated and cured by resin.
3.3
Basalt fiber-reinforced polymerbar
It is a rod-shaped fiber-reinforced composite product made of continuous basalt fiber bundles according to a pultrusion molding process and impregnated and solidified with a matching resin.
Note. The finished product with smooth surface is basalt fiber reinforced composite light round bar, and the finished product with continuous spiral ribs on the surface is basalt fiber reinforced composite material.
Ribbed.
3.4
Theoretical thickness of unidirectional basalt fiber sheet
The measured mass per unit area of the basalt fiber unidirectional fabric is divided by the basalt fiber bulk density.
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