真空挤出成型工艺制备中密度硅藻土纤维水泥板的研究  

Study on Preparation of Medium Density Diatomite Fiber Cement Board by Vacuum Extrusion Forming Process

作　　者：李阳 王丽娜 吴卫平 刘晓琴 龙飞 卢胜强 

机构地区：[1]武汉建筑材料工业设计研究院有限公司,湖北武汉430000

出　　处：《混凝土世界》2022年第3期54-58,共5页China Concrete

摘　　要：真空挤出成型工艺可以制备出物理力学性能优于常规湿法生产的中密度硅藻土纤维水泥板,该工艺制备的板材具有孔隙率低、抗折强度高和耐久性好的特点,便于切割、运输和施工。本文分别研究了添加不同种类增强纤维和不同硅藻土掺量对真空挤出成型制备的纤维水泥板物理力学性能的影响,并比较了不同生产工艺对制备的中密度硅藻土纤维水泥板物理力学性能的影响。Vacuum extrusion forming process can produce medium density diatomite fiber cement board with better physical and mechanical properties than conventional wet production.The board prepared by this process has the characteristics of low porosity,high flexural strength and good durability,which is easy to cut,transport and construction.In this paper,the effects of adding different kinds of reinforced fibers and different amount of diatomite on the physical and mechanical properties of fiber cement board prepared by vacuum extrusion were studied,and the effects of different production processes on the physical and mechanical properties of medium density diatomite fiber cement board were compared.

关 键 词：真空挤出成型 纤维水泥板 硅藻土 物理力学性能 

分 类 号：TU528[建筑科学—建筑技术科学]