预制水磨石楼梯踏板的改进做法目前，住宅、办公楼、教学楼、商场、影剧院、车站等建筑物的楼梯大多采用预制水磨石踏步板，而这些地方人流量很大，楼梯踏板都有不同程序的破损，破损部位是踏板防滑条外的悬伸部分，轻者局部断掉，出现不规则缺口，严重的整个踏板长度范围... Improvements to prefabricated terrazzo stair treads At present, most of the stairs for houses, office buildings, school buildings, shopping malls, theaters, and stations are made of prefabricated terrazzo treads, and the flow of people in these places is very large. The stair treads have different procedures for damage. The damaged part is the overhanging part of the pedal anti-slip bar, the light part is broken off, there is an irregular gap, and the length of the entire pedal is serious...