DB31/T 978-2016 Active Shanghai CityLocal standards

DB31/T 978-2016 Application technical specification of dry-mixed synchronous grouting mortar

Publish Date: 2016-02-29 Implement Date: 2016-06-01 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: DB31/T 978-2016

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Concrete, aggregates, mortar, and grout

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2016-02-29

Implement Date: 2016-06-01

Pages: 16 pages

Scope

This standard specifies the terms and definitions, basic requirements, technical indicators, mix design, construction, quality inspection, and acceptance of dry-mixed mortar for simultaneous grouting in tunnels constructed by the shield method.
This standard is applicable to the application of dry-mixed mortar for simultaneous grouting in tunnel shield method construction.

Development Information

Word Count: 24 Thousand words Pages: 16 pages

Referenced Standards

GB/T 1596-1991 Fly ash used for cement and concrete GB/T 1596-2005 Fly ash used for cement and concrete GB/T 1596-2017 Fly ash used for cement and concrete GB/T 4934.2-2008 Instrument for soil test—Shear apparatus—Part 2:Field vane shear apparatus GB 8076-1997 Concrete admixtures GB 8076-2008 Concrete admixtures GB/T 20973-2007 Bentonite GB/T 20973-2020 Bentonite GB/T 25176-2010 Recycled fine aggregate for concrete and mortar GB 50119-2013 Code for concrete admixture application JC/T 481-2013 Building Lime JC/T 481-1992 JC/T 481-1992 Building Dustless Slaked lime powder JG 3021-1994 JG 3021-1994 Concrete Slump Tester SY/T 5380-1991 Drilling fluid loss meter SY/T 5380-2008 Drilling fluid filtration meter SB/T 10461-2008 Mobile silo for bulk dry mortar JGJ 52-2006 Standard for technical requirements and test method of sand and crushed stone (or gravel) for ordinary concrete JGJ 63-2006 Standard of water for concrete JGJ/T 70-2009 Standard for test method of basic properties of construction mortar JGJ/T 223-2010 Technical specification for application of ready-mixed mortar GB/T 8076-2025 Concrete admixtures

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