水库大坝坝基固结灌浆施工技术的探索

Exploration of the Construction Technology of Consolidation Grouting for Dam Foundation of Reservoir

摘要

固结灌浆是混凝土浇筑前的一个重要隐蔽工程，用于提高靠近坝基岩石整体性和均匀性，但施工现场是边钻孔、边制浆、边灌浆的过程，在地质条件不稳定情况下，与开挖、钢筋绑扎、冷却水管安装以及模板支护等多项工序形成相互交织，稍有一项措施没有做好，将大大制约灌浆效果。基于此，本文围绕固结灌浆过程中存在的问题，提出可指导灌浆施工开展的针对性措施，以期为水库大坝坝基固结灌浆施工提供可操作、可复用的组织建议。

Abstract

Consolidation grouting, a critical concealed procedure prior to concrete placement, enhances the integrity and uniformity of rock formations adjacent to dam foundations. However, the on-site process—combining simultaneous drilling, slurry preparation, and grouting—becomes particularly complex under unstable geological conditions. This process is intricately intertwined with excavation, reinforcement binding, cooling water pipe installation, and formwork support, where any procedural oversight may significantly compromise grouting efficacy. To address these challenges, this study proposes targeted measures to optimize consolidation grouting operations, offering actionable and reusable organizational recommendations for reservoir dam foundation consolidation grouting construction.

关键词

水库大坝 / 坝基处理 / 固结灌浆 / 施工技术

Key words

reservoir dam / dam foundation treatment / consolidation grouting / construction technology

参考文献

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