Expression of steel bars in drawings
Reinforcement bars are the main object of expression in structural construction drawings, for clarity in structural drawings It clearly shows the steel bars inside the component, assuming that the concrete is a transparent body, the steel bars in the component can be seen. The outline of the component is drawn with a thin solid line, the length direction of the reinforcement is represented by a single thick solid line, and the reinforcement on the cross-sectional view is represented by a round black dot.
(1) Marking method of reinforcement
During the construction site, it is necessary to express the required reinforcement in simple language Quantity, grade and diameter, spacing and other information to ensure that the project is carried out in an orderly manner.
1. Mark the level, number and diameter of the steel bars
For example: 2 Φ 10 - Indicates the number of steel bars (2 bars) and steel bar grade Diameter symbol (HPB300), steel bar diameter (10mm)
2. Label the level, diameter and center distance of adjacent reinforcement bars
For example, Φ 8 ＠ 200 - indicates the steel bar grade diameter symbol (HPB300), steel bar diameter (8mm), equal center distance symbol, and the center distance between adjacent steel bars is 200mm.
(2) Input of reinforcement symbol
1. Input in WORD
Install the font SJQY.TTF to C:Windows/Fonts, select the font, Input A-E respectively corresponding to grade 1-5 steel bar symbol, this method is applicable to WORD, EXCEL, PPT.
2. Input in CAD
Install the font Tssdeng.shx to the Fonts directory of CAD, select the font "Tssdeng.shx ", check "Big Font", select "Gbcbig.shx" for the big font. After the setting is successful, under the CAD text annotation command, type %%130 to get A, %%131 to get B, %%132 to get C, %%133 to get D.
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