GB/T 23561.1-2024 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 23561.1-2024: Methods for determining the physical and mechanical properties of coal and rock - Part 1: General requirements for sampling Status: Valid GB/T 23561.1: Historical versions
Basic dataStandard ID: GB/T 23561.1-2024 (GB/T23561.1-2024)Description (Translated English): Methods for determining the physical and mechanical properties of coal and rock - Part 1: General requirements for sampling Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D04 Classification of International Standard: 73.010 Word Count Estimation: 14,152 Date of Issue: 2024-04-25 Date of Implementation: 2024-08-01 Older Standard (superseded by this standard): GB/T 23561.1-2009 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 23561.1-2024: Methods for determining the physical and mechanical properties of coal and rock - Part 1: General requirements for sampling---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. ICS 73:010 CCSD04 National Standards of People's Republic of China Replaces GB/T 23561:1-2009 Determination methods of physical and mechanical properties of coal and rock Part 1: General provisions for sampling Released on 2024-04-25 2024-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document is part 1 of GB/T 23561 "Determination of physical and mechanical properties of coal and rock": GB/T 23561 has been published The following parts: --- Part 1: General provisions for sampling; --- Part 2: Method for determination of true density of coal and rock; --- Part 3: Method for determination of density of coal and rock blocks; --- Part 4: Calculation method of porosity of coal and rock; --- Part 5: Determination of water absorption of coal and rock; --- Part 6: Determination of moisture content in coal and rock; --- Part 7: Determination of uniaxial compressive strength and calculation method of softening coefficient; --- Part 8: Determination methods of deformation parameters of coal and rock; --- Part 9: Methods for determination of triaxial strength and deformation parameters of coal and rock; --- Part 10: Determination of tensile strength of coal and rock; --- Part 11: Determination of shear strength of coal and rock; --- Part 12: Determination of the solidity coefficient of coal; --- Part 13: Method for determination of point load strength index of coal and rock; --- Part 14: Method for determination of rock expansion rate; --- Part 15: Method for determination of rock expansion stress; --- Part 16: Method for determination of rock disintegration resistance index: This document replaces GB/T 23561:1-2009 "Methods for determination of physical and mechanical properties of coal and rock Part 1: General rules for sampling Compared with GB/T 23561:1-2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) The scope of application has been changed (see Chapter 1, Chapter 1 of the:2009 edition); b) The normative references have been changed (see Chapter 2, Chapter 2 of the:2009 edition); c) Added the provision of "plastic wrap" as the specimen sealing material (see 4:2); d) The collection of geological data during sampling has been modified (see 5:1:1, 5:1:1 of the:2009 edition); e) The rock sampling requirements for the determination of physical and mechanical properties have been changed (see 5:2:2:1, 5:2:2:1 of the:2009 edition); f) The rock formation sampling requirements for rock formation impact tendency determination have been changed (see 5:2:2:2, 5:2:2:2 of the:2009 edition); g) Changed the bottom plate sampling requirements (see 5:2:2:3, 5:2:2:3 of the:2009 edition); h) The sample specifications for single thin and medium-thick coal seam sampling have been changed (see 6:1:1, 6:1:1 of the:2009 edition); i) The requirements for core diameter in core sampling have been changed (see 6:2:3, 6:2:3 of the:2009 edition); j) Added sampling requirements for broken coal and soft rock (see 6:4); k) Changed the units and some size requirements in Table 1 (see Table 1, Table 1 of the:2009 edition); l) The numbered coating materials have been changed (see 7:2, 7:2 of the:2009 edition); m) The packaging requirements have been changed (see 8:1:1, 8:1:1 of the:2009 edition); n) The packing requirements have been changed (see 8:2, 8:2 of the:2009 edition): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document is proposed and coordinated by the China Coal Industry Association: This document was drafted by: Coal Science and Technology Research Institute Co:, Ltd:, Liaoning University of Engineering and Technology, China University of Mining and Technology (Beijing), Coal Science and Technology Research Institute Co:, Ltd: China Coal Research Institute Co:, Ltd:, Xi’an University of Science and Technology, and China Coal Technology and Engineering Mining Research Institute Co:, Ltd: The main drafters of this document are: Li Hongyan, Huo Zhonggang, Sun Zhongxue, Deng Zhigang, Li Hongjie, Mo Yunlong, Wang Junguang, Liu Bo, Li Dan, Liu Xue, Qi Qingxin, Zhao Shankun, Dong Guowei, and Pan Junfeng: This document was first published in:2009 and this is the first revision:IntroductionGB/T 23561 aims to describe the method for determining the physical and mechanical parameters of coal and rock in the laboratory: The measurement requirements of the mechanical parameters are planned to consist of 16 parts: --- Part 1: General provisions for sampling: The purpose is to describe the basic physical and mechanical properties of coal and rock formations related to coal seams: Sampling method for coal and rock samples required for determination of impact tendency: --- Part 2: Method for determination of true density of coal and rock: The purpose is to use the pycnometer method or gas expansion method true density analyzer to measure Determine the true density of coal and rock: --- Part 3: Method for determination of density of coal and rock blocks: The purpose is to determine the density of coal and rock blocks by sealing method and volumetric method: density: --- Part 4: Calculation method of porosity of coal and rock: The purpose is to determine the porosity of coal and rock: --- Part 5: Determination of water absorption of coal and rock: The purpose is to determine the water absorption of coal and rock that does not disintegrate, dissolve, shrink or swell when exposed to water: The water absorption of rocks: --- Part 6: Determination of moisture content of coal and rock: The purpose is to determine the moisture content of coal and rock by drying method: --- Part 7: Determination of uniaxial compressive strength and calculation method of softening coefficient: The purpose is to determine the coal that can be processed into standard test pieces: And the uniaxial compressive strength of rock and the calculated softening coefficient: --- Part 8: Determination of deformation parameters of coal and rock: The purpose is to determine the uniaxial deformation of coal and rock that can be processed into standard specimens: Deformation parameters under compression: --- Part 9: Method for determination of triaxial strength and deformation parameters of coal and rock: The purpose is to determine the triaxial strength and deformation parameters of coal that can be processed into standard test pieces: and the strength and deformation parameters of rocks under axisymmetric triaxial stress conditions: --- Part 10: Method for determination of tensile strength of coal and rock: The purpose is to determine the tensile strength of coal and rock that can be processed into standard test pieces: Tensile strength: --- Part 11: Determination of shear strength of coal and rock: The purpose is to determine the shear strength of coal and rock: --- Part 12: Determination method of solidity coefficient of coal: The purpose is to determine the solidity coefficient of coal: --- Part 13: Method for determination of point load strength index of coal and rock: The purpose is to determine the point load strength index of coal and rock --- Part 14: Method for determination of rock expansion rate: The purpose is to determine the free expansion rate and lateral restraint expansion rate of rock: --- Part 15: Method for determination of rock expansion stress: The purpose is to determine the lateral restrained expansion stress of rock: --- Part 16: Method for determination of rock disintegration resistance index: The purpose is to determine the disintegration resistance index of rocks that are prone to disintegration when exposed to water: Determination methods of physical and mechanical properties of coal and rock Part 1: General provisions for sampling1 ScopeThis document specifies the equipment, tools and packaging materials, technical requirements, Sampling methods, recording and numbering, sealing and packing, and post-processing of coal samples and rock samples: This document is applicable to the determination of the basic physical and mechanical properties of coal and rocks in coal seam-related strata and the coal samples required for impact tendency testing: Sampling of rock samples:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 19222 Methods for collecting coal and rock samples3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 Coal sample coalsample A coal block that can basically maintain the original structure and physical state of the coal body after collection: 3:2 Rock sample rock sample Rock blocks that can basically maintain the original structure and physical state of the rock mass after collection: 4 Equipment, tools and packaging materials 4:1 Equipment and Tools The main sampling equipment and tools include: coal electric drill, pneumatic pick, geological drill (for drilling coal and core), and cutting saw: 4:2 Packaging equipment The packaging equipment of the test samples is as follows: a) Plastic sheets, cling film, and wide tapes with a certain thickness and strength; b) Containers, paraffin; c) Sawdust, foam plastics, wooden boxes: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23561.1-2024_English be delivered?Answer: Upon your order, we will start to 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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 23561.1-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23561.1-2024 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. |
