超长先张预应力混凝土空心板的研究与应用

Study and use of overlong hollow pre-tensioning prestressed concrete slab

结合“超长先张高强钢绞线预应力混凝土空心板设计与施工成套技术”课题的研究，介绍了普通工艺成型超长预应力混凝土空心板的研究及应用情况，论述了挤压成型超长预应力混凝土空心板的成型工艺及原理、对原材料的要求、生产线的特点、产品主要优点及推广应用情况，明确了需进一步研究解决的课题。

With the study of the design and construction method of overlong pre-tensioning hollow prestressed concrete slab, this paper introduces the study and use of overlong hollow reinforced concrete slab produced by normal craft. Some properties of the extruded overlong hollow prestressed concrete slab are given, such as production and theory of forming, the requirement and properties of the raw material, the characteristic of produce -line and so on. Problems which need to study and solve are clear and there's a beautiful future in the use of this new material.