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GB/T 38143-2019 English PDF

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GB/T 38143-2019: Alkali-resistant glass fibres for cement concrete and mortar
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 38143-2019	English	519	Add to Cart	5 days [Need to translate]	Alkali-resistant glass fibres for cement concrete and mortar	Valid	GB/T 38143-2019

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Basic data

Standard ID	GB/T 38143-2019 (GB/T38143-2019)
Description (Translated English)	Alkali-resistant glass fibres for cement concrete and mortar
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q12
Classification of International Standard	91.100.40
Word Count Estimation	26,281
Date of Issue	2019-12-10
Date of Implementation	2020-11-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 38143-2019: Alkali-resistant glass fibres for cement concrete and mortar

---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.
(Alkali-resistant glass fiber for cement concrete and mortar) ICS 91.100.40 Q12 National Standards of People's Republic of China Alkali-resistant glass fiber for cement concrete and mortar 2019-12-10 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword Ⅲ Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Classification and Marking 3 5 Requirement 3 6 Test method 4 7 Inspection rules 7 8 Signs, delivery, packaging, transportation and storage 8 Appendix A (Normative Appendix) Determination of Alkali-Resistant Glass Fiber Zirconium Dioxide Content Fused Sheet X Fluorescence Method 10 Appendix B (Normative Appendix) Alkali-Strength Retention Test Method for Bunch-type Chopped Fiber 12 Appendix C (Normative) Dispersed chopped fiber alkali resistance strength retention test method 15 Appendix D (Normative Appendix) Bending Toughness Test Method 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Building Materials Federation. This standard is under the jurisdiction of the National Cement Products Standardization Technical Committee (SAC/TC197). This standard was drafted by. Suzhou Concrete Cement Products Research Institute Co., Ltd., Yangzhou University, Taishan Glass Fiber Co., Ltd., Zhejiang Province Testing by Water Resources and Estuary Research Institute, Suzhou CITIC Energy Saving and Environmental Testing Research and Development Center Co., Ltd., and Suzhou Concrete and Cement Products Research Institute Center Co., Ltd., Hubei Huierjie New Material Technology Co., Ltd., State Grid Jiangsu Electric Power Research Institute, Fuyang Zhicheng Cement Products Co., Ltd. and Railway Construction Research Institute of China Railway Research Institute Group Co., Ltd. The main drafters of this standard. Tan Yongquan, Yang Dingyi, Tang Zhiyao, Xue Wanyin, Yu Feng, Li Yongyan, Qi Dehai, Meng Xianming, Guo Qing, Cao Min, Zheng Jiangen, Luo Jingjing, Sun Xiuping, Fan Zhiyong, Wu Shuai, Zhang Huaixin, Ge Chen, Wang Tianqi, Zhang Jianguo, Chen Dabing, Li Chenggang, Pu Qi, Yu Fujing, Yang Dongling, Tan Yanbin, Wang Na.

Introduction

Alkali-resistant glass fiber has high tensile strength and elastic modulus, good chemical stability and thermal stability. Cement coagulation Alkali-resistant glass fibers for soil and mortar are fibers that are chopped from continuous alkali-resistant glass fibers. Adding alkali-resistant glass to cement concrete and mortar Glass chopped fiber can control the cracks of concrete and mortar, improve the impermeability, crack resistance, impact resistance and corrosion resistance of concrete and mortar It improves the toughness of concrete, and the construction performance is good. The density of alkali-resistant glass fiber is similar to that of cement concrete or mortar. Scattered, stable volume, and good workability, so alkali-resistant glass fiber has good crack resistance, toughening, and strengthening effects on concrete and mortar, and can be widely used Used in water conservancy, transportation, military, offshore, construction and other projects. Alkali-resistant glass fiber for cement concrete and mortar

1 Scope

This standard specifies the terms and definitions, classification and marking, requirements, test methods and inspection of alkali-resistant glass fibers for cement concrete and mortar Rules, signs, delivery, packaging, transportation, storage. This standard applies to the length of not more than 60mm that can be evenly dispersed in concrete and mortar to improve the performance of concrete and mortar. Alkali-resistant glass fiber.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB 175 General Portland Cement GB/T 1549 chemical analysis method of fiber glass GB/T 4472-2011 Determination of density and relative density of chemical products GB/T 7690.5 Reinforced material yarn test method Part 5. Determination of glass fiber diameter GB 8076 Concrete admixture GB/T 9914.1 Test method for reinforced products Part 1. Determination of moisture content GB/T 9914.2 Test methods for reinforced products. Part 2. Determination of the content of glass fiber combustibles GB/T 14684 Construction sand GB/T 14685 Construction pebbles and gravel GB/T 16597 Metallurgical product analysis method X-ray fluorescence spectrometry general rules GB/T 21120 Synthetic fiber for cement concrete and mortar GB/T 50081 Standard for Test Methods of Mechanical Properties of Ordinary Concrete JC/T 896 glass fiber chopped strand JGJ55 Common Concrete Mix Design Code JGJ63 Water Standard for Concrete JGJ/T 70 Standard Test Method for Basic Performance of Building Mortar

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Alkali-resistantglassfibre ARGF Raw materials containing silicon oxide, zirconium oxide, sodium oxide, calcium oxide and other components, and the mass percentage of zirconium oxide not less than 16.0% are melted at high temperature Melted into glass liquid, drawn into a specific diameter and number by fiber forming device and coated with a special treatment agent (wetting agent), with alkali-resistant glass Glass fiber.

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