T/WHWX 004-2019 Active Group standards

T/WHWX 004-2019 Engineered shotcrete accelerator for customized blasting agent

Publish Date: 2019-05-01 Implement Date: 2019-06-01 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: T/WHWX 004-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Building materials products

ICS Name: Comprehensive Building Materials

Publish Date: 2019-05-01

Implement Date: 2019-06-01

Scope

Scope: This standard specifies the definition, classification, and marking of quick-setting agents for engineering customized shotcrete, as well as their requirements, test methods, inspection rules, product manuals, markings, packaging, product delivery, transportation, and storage. Main technical content: GB/T 35159-2017 "Quick-setting Agents for Shotcrete" requires that the test materials use reference cement and standard sand. However, the test results or technical indicators often differ from those of the cement and sand actually used on construction sites, leading to a disconnect between laboratory testing data and actual engineering requirements, and frequently causing quality disputes. This group standard primarily addresses the technical indicators, test methods, inspection classifications, and judgment rules for quick-setting agents for shotcrete customized with actual construction site raw materials.