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DB61/T 1770-2023 Active
DB61/T 1770-2023 Guidelines for Quality Control of Secondary lining Construction in Highway Tunnels
Abstract
This document provides guidance and recommendations on the quality control points, quality control indicators, common problems, and preventive measures for the construction of secondary linings in highway tunnels. This document is applicable to the quality control of secondary linings in newly built and modified/expanded highway tunnels.
General Product Information
| Document Type | Shaanxi ProvinceLocal standards |
|---|---|
| Standard Status | Active |
| Standard Code | DB61/T 1770-2023 |
| CCS | Earth and stone work, tunnel engineering |
| ICS | \nTunnel construction |
| Implement Date | 2024-01-22 |
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$ 20.00
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$ 20.00