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GB/T 35453-2017 English PDF

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GB/T 35453-2017: Rigid polyurethane foam board for frozen soil subgrade (DLPU)
Status: Valid
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GB/T 35453-2017English278 Add to Cart 1 days [Need to translate] Rigid polyurethane foam board for frozen soil subgrade (DLPU) Valid GB/T 35453-2017

PDF similar to GB/T 35453-2017


Standard similar to GB/T 35453-2017

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Basic data

Standard ID GB/T 35453-2017 (GB/T35453-2017)
Description (Translated English) Rigid polyurethane foam board for frozen soil subgrade (DLPU)
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G32
Classification of International Standard 83.100
Word Count Estimation 14,141
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Regulation (derived from) National Standards Bulletin 2017 No. 32
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 35453-2017: Rigid polyurethane foam board for frozen soil subgrade (DLPU)

---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.
Rigid polyurethane foam board for frozen soil subgrade (DLPU) ICS 83.100 G32 National Standards of People's Republic of China Frozen soil subgrade with rigid polyurethane foam board (DLPU) 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Light Industry Federation. This standard by the National Plastics Standardization Technical Committee (SAC/TC48) centralized. This standard was drafted unit. Red Polaroid Group Co., Ltd., China Communications First Highway Survey and Design Institute Co., Ltd., the third railway survey Observation Design Institute Group Co., Ltd., Langfang Arima Innovation and Technology Co., Ltd. The main drafters of this standard. Wang Shuangjie, Yao Zhihong, Chen Jianbing, Yuan Haishun, Cui Weixiao, Zhu Dongpeng, Wei Hua, Leng Jingyan, Gao Chunqing, Zhangchaolin, Zhu Li, Fu Zhenhua, Huang Jianhua, Xing Xiaogang, Li Xia. Frozen soil subgrade with rigid polyurethane foam board (DLPU)

1 Scope

This standard specifies the terms and definitions, classification and marking of the rigid polyurethane foam board (DLPU) of permafrost subgrade, technical requirements, test Methods, inspection rules, marking, transport, packaging and storage. This standard applies to frozen soil roads, railway subgrade with rigid polyurethane foam board (hereinafter referred to as "DLPU").

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2918-1998 plastic sample conditioning and testing of the standard environment Plastics - Determination of linear dimensions of foam and rubber Foams and rubber - Determination of apparent density Representation and determination of rules for repair of numerical values and limit values GB/T 8170-2008 Determination of water absorption of rigid foam Test methods for dimensional stability of rigid foams GB/T 8811-2008 GB/T 8812.1-2007 Determination of flexural properties of rigid foam - Part 1. Basic bending test Compression properties of rigid foams - Determination of GB/T 8813-2008 Insulating materials - Determination of steady - state thermal resistance and related characteristics - Protection of hot plate method GB/T 10294-2008 Thermal insulating materials - Determination of steady - state thermal resistance and related characteristics - Heat flow meter method GB 11121 gasoline engine oil Plastics - Determination of resistance to liquid chemicals GB/T 11547-2008 GB/T 16422.3-2014 plastic laboratory exposure test methods - Part 3. Fluorescent UV lamp GB 17930 vehicle gasoline GB 19147 vehicle diesel GB/T 20672-2006 Determination of compressive creep of rigid foam under specified load and temperature conditions Standard test methods for long - term performance and durability of common concrete GB/T 50082-2009 ISO 20394-2007 Insulating materials Determination of resistance to freeze-thaw (Thermal-insulatingmaterials-Determinationof freeze-thawresistance

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 For permafrost regions highway, railway subgrade insulation rigid polyurethane foam board. 3.2 Coefficient of variation coefficientofvariation The sample standard deviation is divided by the absolute value of the non-zero sample mean.

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