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GB/T 39963-2021 Active
GB/T 39963-2021 Technical specification on C80~C100 concrete shaft lining applied in vertical freezing shaft
Abstract
This document specifies the requirements for the design and application of C80~C100 concrete in the shaft wall of vertical shafts using the freezing method, including the shaft wall structure and design, the design and implementation of the freezing scheme, raw materials and mix ratios, shaft wall construction, and quality inspection.
This document is applicable to the design and construction of vertical shafts in coal mines using the freezing method and applying C80~C100 concrete in the shaft wall.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 39963-2021 |
| CCS | Mining |
| ICS | Mining and excavation |
| Implement Date | 2021-10-01 |
Price
$ 93
Subtotal
$ 93
Tax
$ 0.00
Order Total (incl. tax)
$ 93