Standard No.:	DB37/T 4846-2025
English Name:	Code of practice of preliminary grouting technical in urban rail transit tunnel
Chinese Name:	城市轨道交通隧道超前预注浆技术规程
Chinese Classification:	P21    Earthwork and tunneling works
Professional Classification:	DB    Provincial Standard
Source Content Issued by:	Shandong Provincial Administration for Market Regulation
Issued on:	2025-05-24
Implemented on:	2025-6-24
Status:	valid
Target Language:	English
File Format:	PDF

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。