喜讯：《水下自护混凝土技术导则》NB/T 11094获批发布-堆石混凝土坝技术网

近日，国家能源局发布2023年第1号公告，由清华大学主编，北京华石纳固科技有限公司等单位参编的《水下自护混凝土技术导则》NB/T 11094经国家能源局批准发布。

水下自护混凝土技术

水下自护混凝土是针对普通水下混凝土施工质量无法保证以及水下不分散混凝土施工难度大、成本高的问题，研发出的一种水下抗分散性能好、施工简便、节省成本的水下混凝土，对促进水下混凝土施工技术的发展尤为重要。2012 年水下自护混凝土进行工程应用研究，2013 年由清华大学和北京华石纳固科技有限公司共同研发出一种水下不分散的水泥基自密实材料施工方法的发明专利。

水下自护混凝土具有良好的流动性和保水性，且水下抗分散性能好，无压自流和范围可控，强度高，对施工水域不产生污染等优势。从根本上解决了普通水下混凝土的施工问题。

水下自护混凝土特种施工技术示意图

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喜讯：《水下自护混凝土技术导则》NB/T 11094获批发布

技术动态