| 摘要 |
<p>A structure including a structural member (1) configured like a frame with four sides is disclosed. A closed cross-section structural member (4) serving as a reinforcing material is provided in a crossing corner (2) of the structural member (1). The closed cross-section structural member (4) includes two horizontal portions (5) separated from each other in a thickness direction of the structural member (1) and extending in an in-plane direction of the structural member (1) and two vertical portions (6) one of which connects first ends of the two horizontal portions (5) together and the other of which connects second ends of the two horizontal portions (5) together. The closed cross-section structural member (4) includes a first opening (7) formed therein facing an inner-peripheral flat surface (1a) of the structural member (1) and a second opening (8) formed therein facing inside of the structural member (1). The height ho of the closed cross-section structural member (4) is substantially the same as the thickness H of the structural member (1). The opening edge of the first opening (7) is entirely joined to the inner-peripheral flat surface (1a) of the structural member (1). A flattening that is the ratio of the maximum width H of the second opening (8) to a height h 0 of the closed cross-section structural member (4) is greater than 1.0 and not greater than 3.0.</p> |
