GB/T 31438-2015 Active National standards

GB/T 31438-2015 Steel thin-walled sonic-testing tubes for concrete bored piles

GB/T 31438-2015 Steel thin-walled sonic-testing tubes for concrete bored piles

Publish Date: 2015-05-15 Implement Date: 2015-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31438-2015
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Bridge and culvert engineering
ICS Name: Bridge construction
Publish Date: 2015-05-15
Implement Date: 2015-08-01
Pages: 15 pages

Scope

This standard specifies the product models, dimensions, quality, technical requirements, test methods, inspection rules, packaging, marking, transportation, and storage of steel thin-walled acoustic detection pipes used in concrete cast-in-place piles.
This standard applies to acoustic detection pipes used in the ultrasonic detection of concrete cast-in-place piles.

Development Information

Word Count: 28 Thousand words Pages: 15 pages

Referenced Standards

GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 244-1997 Metallic materials—Tube—Bend test GB/T 244-2008 Metallic materials-tube—Bend test GB/T 244-2020 Metallic materials—Tube—Bend test method GB/T 246-1997 Metallic materials—Tube—Flattening test GB/T 246-2007 Metal materials—Tube—Flattening test GB/T 246-2017 Metallic materials—Tube—Flattening test GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing GB/T 7735-1995 Steel tubes—The inspection method on eddy current test GB/T 7735-2004 Steel tubes-The inspection method on eddy current test GB/T 7735-2016 Automated eddy current testing of seamless and welded(except submerged arc-welded) steel tubes for detection of imperfections GB/T 8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel GB/T 8110-2020 Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels HG/T 2579-2008 HG/T 2579-2008 O-ring materials for general hydraulic system HG/T 2579-1994 O-ring rubber material - Part 1: For general hydraulic systems

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