固结灌浆是利用钻孔将高标号的水泥浆液或化学浆液压入岩体中,使之封闭裂隙,加强基岩的完整性,达到提高岩体强度和刚度的目的。常规的灌浆是在整个基础大面积内进行,此时应分批逐步完成整个灌浆工程,应根据坝基压力、地质条件等合理设计灌浆孔深、孔距、灌浆压力和浆液稠度,亦即先进行灌浆试验。有时为了处理断层、软弱夹层和溶洞等,须进行特殊的灌浆方法。
趾板混凝土浇筑后,进行了固结灌浆和帷幕灌浆。
Consolidation grouting and curtain grouting are carried out after toe slabs are concreted.
该工法包括回填和固结灌浆、管棚加固、控制爆破和喷锚等工序。
This method consists of the following procedures: backfill, consolidation grouting, reinforcing by the pipe and strut method, controlled blasting and anchor bars.
高压固结灌浆结果达到了提高坝基岩石超声波值和动弹模量的目的;
The supersonic wave value and the dynamic modulus of elasticity are increased by high pressure consolidation grouting.
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