钢筋混凝土矩形柱的保护层设置,一直采用预制水泥砂浆块绑扎在钢筋骨架上,从而控制保护层厚度,限制钢筋骨架的位移。此方法不仅费工费时,而且垫块很难绑扎牢固,还容易转向,常造成钢筋位移、保护层厚度不一和露筋现象。同时,砂浆垫块破碎率大,垫块中还需插入铁丝,制作不便。针对这一施工中的难点,我提出一种新的设置方法:利用原柱中的部分箍筋, The protective layer setting of the reinforced concrete rectangular column has been used to bind the reinforced concrete frame with prefabricated cement mortar blocks, thereby controlling the thickness of the protective layer and limiting the displacement of the steel frame. This method is not only time-consuming and time-consuming, but also the pad is difficult to tie tightly, and it is also easy to turn, often resulting in displacement of the steel bars, uneven thickness of the protective layer, and loosening phenomenon. At the same time, the crushing rate of the mortar pad is large, and iron wires need to be inserted in the pad to make inconvenience. In response to the difficulties in this construction, I propose a new setting method: use some stirrups in the original column,