楼梯栏杆的固定,大多是在浇灌混凝土时预埋铁件,待楼梯抹完灰或贴完花岗石板、水磨石板后,再将栏杆焊至铁件上,最后修补栏杆和铁件接触处的楼梯抹灰。这种施工方法常常造成修补处的颜色与其它部位不一致,影响美观,特别是花岗石或水磨石板的楼梯,修补处就 The fixing of the balustrades is mostly to embed iron pieces in the pouring of concrete. After the staircases have been wiped, or the granite slabs and terrazzo slabs have been plastered, the balustrades are welded to the iron pieces, and finally the railings and the iron pieces are repaired. Stair plastering. This kind of construction method often results in inconsistency between the color of the repair site and other parts, affecting the appearance, especially the stairs of granite or terrazzo slabs,