极弱磁混凝土技术在地磁观测站项目的应用  

APPLICATION OF EXTREMELY WEAK MAGNETIC CONCRETE TECHNOLOGY IN GEOMAGNETIC OBSERVATION STATION PROJECT

作　　者：杨傲翔 李灿 宋阳 张思维 YANG Ao-xiang;LI Can;SONG Yang;ZHANG Si-wei(Avic Const Group,101407,Beijing,China)

机构地区：[1]中航建设集团有限公司,北京101407

出　　处：《建筑技术》2025年第6期716-719,共4页Architecture Technology

摘　　要：地磁观测站是建立在极弱磁特殊环境下开展地磁数据观测及科学研究的高精度洁净试验室,其混凝土实体构筑物的磁性对此起着至关重要的作用。研究从普通的混凝土配合比设计出发,分析研究混凝土的磁性大小、混凝土的工作性能与力学性能,研发了1种设计强度等级为C35的极弱磁混凝土配合比,成型后的混凝土磁感应强度均在2NT以下,在极弱磁混凝土研发和应用方面获得了跨越性突破,并具备广泛的应用价值。The geomagnetic observation station is a high-precision clean laboratory established to conduct geomagnetic data observation and scientific research in extremely weak magnetic environments.The magnetism of its concrete solid structures plays a crucial role in this regard.Starting from the design of ordinary concrete mix proportions,this study analyzed and researched the magnetic properties,workability,and mechanical properties of concrete.A formula for extremely weak magnetic concrete with a design grade of C35 was developed,and the magnetic induction intensity of the formed concrete was below 2NT.This breakthrough has been made in the research and application of extremely weak magnetic concrete,and has wide application value.

关 键 词：极弱磁 混凝土 磁感应强度 配合比 

分 类 号：TU375.2[建筑科学—结构工程]