GB/T 1929-2009 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1929-2009: Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood Status: Obsolete GB/T 1929: Historical versions
Basic dataStandard ID: GB/T 1929-2009 (GB/T1929-2009)Description (Translated English): Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B60 Classification of International Standard: 79.020 Word Count Estimation: 6,621 Date of Issue: 2009-02-23 Date of Implementation: 2009-08-01 Older Standard (superseded by this standard): GB/T 1929-1991 Quoted Standard: GB/T 1927-2009; GB/T 1931; GB/T 8170 Adopted Standard: ISO 3129-1975.MOD Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143) 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 distribution of the collected test materials, adjust the number of samples tested material and moisture content. This standard applies to test materials and samples of sawing interception. GB/T 1929-2009: Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood---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. Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood ICS 79.020 B60 National Standards of People's Republic of China Replacing GB/T 1929-1991 Physical and mechanical tests of wood and wood sawing The method of test specimens (ISO 3129. 1975, Wood-Samplingmethodsandgeneralrequirementsfor physicalandmechanicaltests, MOD) Posted 2009-02-23 2009-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis revised standard adopts ISO 3129. 1975 "sampling methods physical and mechanical tests and general requirements." This standard and ISO 3129. 1975 compared to the main technical content differences are as follows. --- Change the sample blank interception scheme; --- Adjust hardness variation coefficient of 20%. This standard replaces GB/T 1929-1991 "physical and mechanical tests of wood sawing wood and interception methods specimen." This standard compared with GB/T 1929-1991, the main technical changes as follows. --- Sawing proposed new programs in 3.1, 3.2 and 3.5; --- Increased wood nail holding power test methods and test methods for wood grain tensile strength test material sawing scheme in 3.1; --- Remove the 1991 version 3.4; --- Increased toughness, hardness, shrinkage coefficient of variation 5.2. This standard was proposed by the State Forestry Administration. This standard by the National Standardization Technical Committee timber. This standard is drafted by. China Forestry Science Institute of Wood Industry. Participated in the drafting of this standard. Chinese Academy of Forestry Forestry Institute for New Technologies. The main drafters of this standard. Ren Haiqing, Luo Xiuqin, sub-Yin Fang, Wang Zhaohui, Jiang Jinghui, Zhou Haibin. This standard was first published in 1980, the first revision in 1991, this is the first revision. This standard by the National Standardization Technical Committee responsible for the interpretation of wood. Physical and mechanical test materials and test specimens sawing method1 ScopeThis standard specifies the test material distribution, and adjust the number of samples collected from the test material moisture content. This standard applies to test materials and specimens taken sawing.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1927-2009 physical and mechanical test material acquisition method (ISO 4471. 1982, Wood-Samplingtreesandlogs fordeterminationofphysicalandmechanicalpropertiesofwoodinhomogeneousstands, NEQ) GB/T 1931 Method for determination of moisture content of wood (ISO 3130. 1975, Wood-Determinationofmoisturecontentfor physicalandmechanicaltests, MOD) GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment3 test material distribution1927-2009 4.3 3.1 In accordance with the provisions of GB/T , log test material collected after transported to the test site shall be sawing as soon as possible. First sawn Coating head and cracking section ends of test materials, test material and then by the lower end of each timber, followed by three 300mm section of interception of wood. A wooden press section Figure 1 interception 300mm × 70mm × 70mm strips of wood, the hardness of the interception from each batten and nail holding power each a sample blank; a wood Section in Figure 2 interception 300mm × 35mm × 170mm radial wood, intercept radial tensile, compressive modulus of elasticity of the radially from each batten And each radial shear a sample blank. A timber in accordance with paragraph 3 interception 300mm × 35mm × 170mm chord to wood, from each The interception of wood tangential tensile, compressive chord to chord to the shear modulus of elasticity of each of a sample blank. More than wood without pith. 1 hardness and nail holding power sample blank interception method of FIG. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 1929-2009_English be delivered?Answer: Upon your order, we will start to translate GB/T 1929-2009_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 1929-2009?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1929-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
