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梁、柱配筋图的表示方法是每一个土建专业技术人员都十分熟悉的,由于其画法比较简单,似乎毋需多言。但是,笔者在日常工作中却发现,不少教科书、专业设计手册、土建技术书刊及施工图纸中对梁、柱内的钢筋的表示方法往往并不正确。如钢筋在梁、柱中的立面图画法基本上都是象图1所示的表示方法,但这种画法却是不正确的。从梁、柱剖面图(图2)中,我们可以很明确地看出梁、柱内配置的纵向受力主筋在内,而梁、柱箍筋则是设置在纵向主筋之外的。因此,图1所示的梁、柱钢筋立面图的画法是错误的,这种表示方法也使得梁、柱的钢筋立面图与剖面图相互对不起来。
The representation method of the bar and column bar graph is very familiar to every civil engineering professional and technical personnel. Due to its simpler painting method, it seems that there is no need to say anything. However, the author found in his daily work that many textbooks, professional design manuals, civil engineering technical publications, and construction drawings often do not accurately represent the steel bars in beams and columns. For example, the facade drawing method for reinforcing steel in beams and columns is basically the representation method shown in Figure 1, but this painting method is incorrect. From the beam and column profiles (Figure 2), we can clearly see the longitudinally stressed main tendons in the beams and columns, while the beam and column stirrups are located outside the longitudinal main bars. Therefore, the drawing of the beam and column reinforcement elevations shown in Fig. 1 is wrong. This representation also makes it impossible for the beam elevations and beam sections of the beams and columns to be aligned with each other.