T/CECS 188-2019 in English

Scope

This regulation consists of 7 chapters and 1 appendix, mainly covering: General Provisions, Terminology and Symbols, Basic Regulations, Composite Column Frame Design, Steel Tube Concrete Shear Wall Design, Connection Design, Structural Construction and Acceptance. The main technical contents revised in this regulation are as follows:
1. Maximum applicable height for composite columns;
2. Determination of end moments design values for composite column frame columns and shear force design values for composite columns and frame beams using the actual allocation method;
3. Deduction of steel tube shearing strength when calculating shear capacity of composite columns and steel tube concrete shear walls, considering steel tube shearing strength in calculating shear bearing capacity;
4. Calculation method for axial compressive load-carrying capacity of eccentrically compressed composite column cross-sections;
5. Calculation method for axial compression ratio of composite columns;
6. Reinforcement configuration of composite column hoop reinforcement加密区;
7. Calculation method for axial compressive load-carrying capacity of steel tube concrete shear walls;
8. Calculation methods for oblique section shear bearing capacity of eccentrically compressed and eccentrically tensioned steel tube concrete shear walls;
9. Calculation method and axial compression ratio limit values for the axial compression ratio of steel tube concrete shear walls;
10. Seismic construction measures for composite columns and steel tube concrete shear walls;
11. Reinforcement connection between reinforced concrete beams and composite columns;
12. Design of composite column footings;
13. Construction and acceptance of composite column structures.