Rules for Lapping in RCC Columns

This video shows some basic rules for lapping the steel bars in RCC Columns. Some of these rules are;
1. The diameter of overlapping steel bars should not exceed 36 mm.
2. Always use smaller diameter of bar while calculating the overlapping length in case of columns.
3. Lapping is only allowed in the compression zone of column where there is no bending moment.
4. The tilt length of steel bars in overlapping can be calculated by using this equation, 6D. Where D is the diameter of the steel bar.
For more rules please watch full video.

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