Common Problems in Building Design: Structural Specialty 27-29


When the reinforced concrete civil defense interior wall that bears dynamic loads uses longitudinal steel bars with a strength grade of 400MPa (500MPa), can the minimum reinforcement ratio of all longitudinal steel bars refer to the provisions of Note 1 in Table 4.

11.

7 of the “Code for Design of Civil Air Defense Basements” GB 50038-2005 (2023 edition), and reduce it by 0.

05% (0.

10%) on the basis of 0.

40%, that is, adopt 0.

35% (0.

combination wing nut

30%)?.

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