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GB/T 28990-2012 English PDF

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US$299.00 · In stock
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GB/T 28990-2012: Code for non-destructive evaluation of interior decay and modulus of elasticity of historic building wood members by stress wave methods
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28990-2012	299	Add to Cart	3 days	Code for non-destructive evaluation of interior decay and modulus of elasticity of historic building wood members by stress wave methods	Valid

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Basic data

Standard ID: GB/T 28990-2012 (GB/T28990-2012)
Description (Translated English): Code for non-destructive evaluation of interior decay and modulus of elasticity of historic building wood members by stress wave methods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B69
Classification of International Standard: 79.010
Word Count Estimation: 13,190
Quoted Standard: GB/T 1933-2009; GB/T 20737-2006; GB/T 50452-2008
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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
Summary: This standard specifies the structure of the ancient wooden building wood components internal decay and the elastic modulus of the stress wave NDT test methods and procedures and so on. This standard applies to the ancient wooden building repairs and main

GB/T 28990-2012: Code for non-destructive evaluation of interior decay and modulus of elasticity of historic building wood members by stress wave methods

---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.
Code for non-destructive evaluation of interior decay and modulus of elasticity of historic building wood members by stress wave methods ICS 79.010 B69 National Standards of People's Republic of China Internal decay and the elastic modulus of ancient architecture wood components Stress wave nondestructive testing procedures Issued on. 2012-12-31 2013-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard was proposed by the State Forestry Administration. This standard by the National Standardization Technical Committee timber (SCA/TC41) centralized. This standard was drafted. China Forestry Science Institute of Wood Industry, Northwest A & F University, Xi'an University of Technology, Shandong Province Linyi Exit Inspection and Quarantine. The main drafters of this standard. a new paragraph Fang, Zhou Yu, Feng Dejun, Shang Dajun, Zhouguan Wu, Wang Zhengguo. Internal decay and the elastic modulus of ancient architecture wood components Stress wave nondestructive testing procedures

1 Scope

This standard specifies the test method for wood components of internal decay and the elastic modulus of the ancient wooden buildings of stress wave nondestructive testing and step Step and so on. This standard applies to the use of ancient timber buildings repair maintenance and survey.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 1933-2009 Wood Density Determination GB/T 20737-2006 NDT General terms and definitions GB/T 50452-2008 ancient building anti-vibration technology industry specifications

3 Terms and Definitions

GB/T 20737-2006, GB/T 50452-2008 define the following terms and definitions apply to this document. 3.1 Ancient architecture historicbuilding Ages passed down to the study of social and political, economic and cultural development of valuable buildings. [GB/T 50452-2008, the definition 2.1.1] 3.2 Ancient wooden buildings historictimberstructure Wood-bearing skeleton of the ancient architectural structures. [GB/T 50452-2008, the definition 2.1.3] 3.3 Wood components woodenstructuremember For wood assembly wood structure on ancient buildings, such as columns, beams, purlins and the like. 3.4 NDT non-destructiveevaluation Without prejudice to the practicality and reliability of the method is expected to examine materials or components, which are designed to. detect, locate, measure and assess Injury; evaluation of the integrity of the nature and composition; measuring geometric characteristics. [GB/T 20737-2006, the definition 2.20] 3.5 Timber stress wave nondestructive testing non-destructiveevaluationbystresswavemethodofwood Using stress wave instrument, without destroying the wood itself, the wood stress wave propagation and wood interior, should be measured by Force wave propagation time, calculate the propagation velocity to assess wood decay, wood calculate the elastic modulus method. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28990-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28990-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 28990-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28990-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.