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我读本刊1991年第1期刊登季永祥同志所写的《楼梯混凝土施工缝留置位置的选择》一文后,感到这个问题可以商榷。1.平台板施工缝留置位置不妥无论板式还是梁式楼梯,平台板一般为单向板。规范规定:单向板混凝土施工缝留置平行于板的短边任何位置。如把施工缝留置在垂直于平台板短边的位置似有些不
I read this article published in the 1st issue of 1991 in the article entitled “Selection of Positions for Stairs Concrete Construction Joints” written by Comrade Ji Yongxiang, and I feel that this issue can be discussed. 1. The placement of the construction board construction joints is not appropriate. Regardless of the plate type or the beam type stairs, the platform board is generally a one-way board. The specification states that: One-way slab concrete construction joints shall be placed at any position parallel to the short side of the slab. If the construction seam is left in a position perpendicular to the short side of the platform board