NB/T 11548-2024 Active Industry standards-Energy

NB/T 11548-2024 Technical specification for simultaneous operation of drilling and grouting in vertical shaft

NB/T 11548-2024 Technical specification for simultaneous operation of drilling and grouting in vertical shaft

Publish Date: 2024-05-24 Implement Date: 2024-11-24 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: NB/T 11548-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical management

ICS Name: Mining and excavation

Publish Date: 2024-05-24

Implement Date: 2024-11-24

Pages: 20 pages

Scope

This document specifies the requirements for the design of parallel operations of drilling and grouting, the construction of parallel operations of drilling and grouting, the drilling mud and grouting slurry, and inspection during the construction of vertical shafts using the drilling method and the ground pre-grouting method.
This document is applicable to vertical shafts in mines. Other similar underground engineering vertical shafts can refer to it for implementation.

Development Information

Word Count: 25 Thousand words Pages: 20 pages

Referenced Standards

MT/T 1057-2007 The method for inspecting the effectiveness of pre-injection grouting in the surface of a vertical well using water pressure testing MT/T 1057-2008 The checking method used pressure water test for surface pre-grouting quality of shaft MT/T 1150-2011 Ground pre-slurry pump technology specification for Lisi wellshaft borehole engineering injection holes GB/T 50511-2022 Mine Shaft Construction Standards GB 50213-2010 Code for acceptance of shaft sinking and drifting of coal mine GB 51227-2017 Code for construction and acceptance of vertical shaft drilling

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