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混凝土(或钢筋混凝土)楼地面在民用和工业建筑中早已广泛采用,我们每天工作、生活的办公楼、注宅大多是混凝土楼地面。地面的好坏,对人们的生活影响很大。在现实中发现不论是现浇混凝土或预制空心楼板上粉水泥砂浆面层的楼面,都容易发生起砂现象:用扫帚一扫,到小的砂子就一堆一堆地扫出来。这样使空气中含有过多的灰尘量,不仅阻碍了这类楼地面在诸如医疗、实验室等不宜含灰量过多的地方应用,对人们的健康也带来一定的影
Concrete (or reinforced concrete) floors have long been widely used in civil and industrial buildings. The office buildings and house-buildings that we work and live every day are mostly concrete floors. The quality of the ground affects people’s lives. In reality, it is found that the sanding phenomenon is likely to occur on the surface of cast-in-situ concrete or powder-cement mortar surface floors on prefabricated hollow floor slabs: sweeping them with a broom to a small pile of sand and sweeping them out. In this way, the excessive amount of dust contained in the air not only hinders the application of such building floors to places where there is not much ash content, such as medical care and laboratories, but also has a certain impact on people’s health.