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| DB37/T 4846-2025 Code of practice of preliminary grouting technical in urban rail transit tunnel (English Version) |
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Detail of DB37/T 4846-2025
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Introduction of DB37/T 4846-2025
本文件确立了城市轨道交通隧道超前预注浆的设计与施工的程序，规定了注浆材料选择、注浆设备选型、超前小导管注浆、超前大管棚注浆、超前帷幕注浆、监控量测、效果检查、工程验收等阶段的操作指示，以及上述阶段之间的转换条件，描述了注浆过程记录、注浆效果检验等追溯/证实方法。
本文件适用于城市轨道交通隧道超前预注浆相关的设计、施工、监控量测与验收。
Contents of DB37/T 4846-2025