不同地层同步注浆材料试验研究  

Experimental Study on Synchronous Grouting Materials for Different Strata

作　　者：邱敏超 QIU Min-chao(CCCC Rail Transit Branch,Beijing 102200,China)

机构地区：[1]中国交建轨道交通分公司,北京102200

出　　处：《价值工程》2023年第28期76-78,共3页Value Engineering

摘　　要：盾构开挖过程中常常会通过不同类型的土层,配比单一的同步注浆材料并不能在所有类型土层表现出最佳效果。本文依托厦门地铁3号线双沪站-空港经济区站区间段,结合地层勘察结果,根据不同地层的性能适配了不同的注浆料配合比并对其进行泌水率、扩展流动度以及抗压强度试验。最终得出适用不同土层的最佳配合比。During the excavation process of shield tunneling,different types of soil layers are often used,and a single proportion of synchronous grouting materials cannot perform the best effect in all types of soil layers.This article relies on the section between Shuanghu Station and Airport Economic Zone Station of Xiamen Metro Line 3,combined with geological survey results,and adapts different grouting material proportions based on the performance of different strata,and conducts tests on their bleeding rate,expanded fluidity,and compressive strength.Finally,the optimal mix ratio suitable for different soil layers is determined.

关 键 词：盾构 同步注浆 泌水率 扩展流动度 配合比 

分 类 号：U454[建筑科学—桥梁与隧道工程]