冯乃谦1, 李 浩2
纳米微珠的特性与应用
冯乃谦1, 李 浩2
摘 要:纳米微珠是从燃煤电站排放的烟雾中收集的超细微粒, 平均粒径≦1.0μm, 表面为玻璃体, 呈球状。纳米微珠代替部分水泥掺入混凝土中, 可降低用水量, 增大流动性, 提高混凝土的强度和耐久性,是混凝土低碳技术的新组分。同时介绍了纳米微珠在高性能混凝土及超高性能混凝土中的应用。
Abstract: Nano micro-bead (N-MB) is a superfine glass bead from the smoke discharged by coal station, whose average particle size is ≦1.0μm. The surface of N-MB is vitreous body, which shows spherical. The mixed water for concrete can be reduced and the fluidity of concrete is increased when the N-MB is partly instead of cement and added into concrete. The strength and durability of the concrete will be increased by using the N-MB for concrete. And the N-MB is one new component in concrete low carbon technology. The application of N-MB is introduced in the high performance concrete and ultra- high performance concrete.
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