GB/T 23561.8-2024 Active National standards

GB/T 23561.8-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 8:Methods for determining the deformation parameters of coal and rock

Publish Date: 2024-03-15 Implement Date: 2024-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 23561.8-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Mining and mineral products comprehensive

Publish Date: 2024-03-15

Implement Date: 2024-07-01

Pages: 16 pages

Scope

This document specifies the main instruments and equipment, specimen specifications, pre-test preparations, test procedures, and data calculation methods for determining the deformation parameters of coal and rocks, including the secant modulus (E50), elastic modulus (Et), and Poisson's ratio (μ) under uniaxial compression conditions where the samples can be processed into standard specimens under laboratory conditions.

Development Information

Word Count: 21 Thousand words Pages: 16 pages

Same series standard

GB/T 23561.1-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 1:General requirements for sampling GB/T 23561.11-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 11:Methods for determining shear strength of coal and rock GB/T 23561.12-2024 Methods for determining the physical and mechanical properties of coal and rock—Part 12:Method for the determination coal hardiness coefficients

Replace the following standards

GB/T 23561.8-2009 Methods for determining the physical and mechanical properties of coal and rock—Part 8:Methods for determining the deformation parameters of coal and rock

Referenced Standards

GB/T 23561.7-2009 Methods for determining the physical and mechanical properties of coal and rock—Part 7:Methods for determining the uniaxial compressive strength and counting softening coefficient

Related Standards

GB/T 2007.1-1987 Active

GB/T 2007.1-1987 General rules for the sampling and sample preparation of minerals in bulk—Sampling by manual method

Publish Date: 1987-12-15

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