PROBLEM TO BE SOLVED: To provide an earthquake-resistant design method capable of designing a building with good workability by suppressing material cost and reducing the burden of construction control, in the building having an intersection of a horizontal member such as a floor slab and a vertical member such as a wall.SOLUTION: An intersection (13) is composed of members constituting a floor slab (11), and a wall (12) is made of concrete having strength higher than that of the floor slab. An equivalent compressive strength (σ') calculated by considering the restraining effect of the floor slab is used for a material strength (σ) of the floor slab as the compressive strength of the intersection. If the equivalent compressive strength (σ') is equal to or greater than a compressive strength (σ) of the wall, the earthquake-resistant design is carried out by setting the compressive strength of an entire earthquake-resistant wall (21) obtained by combining the wall and the intersection to the compressive strength of the wall (σ).SELECTED DRAWING: Figure 6
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