This regulation is mainly applicable to the design and construction of non-seismic design and general residential building concrete special-shaped column structures with seismic fortification intensity of 6 degrees, 7 degrees (0.10g, 0.15g) and 8 degrees (0.20g) seismic design.
JGJ 149-2006 history
2017JGJ 149-2017 Technical specification for concrete structures with specially shaped columns
2006JGJ 149-2006 Technical specification for concrete structures with specially shaped columns