| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for experiencing impact resistance strength of an exterior wall which can easily grasp merits in the impact resistance strength of the exterior wall to impress the merits onto a viewer. SOLUTION: The apparatus 1 for experiencing impact resistance strength of the exterior wall is provided with a pitching machine 3, a display means 4 for measuring and displaying the pitching speed of the pitching machine 3, an elevation device 5 for changing the height of the pitching machine 3, a fixing device 6 for fixing external wall piece 2 at the position A through which the pitched ball from the pitching machine 3 passes for each different height set by the elevation device 5. The ball pitched from the pitching machine 3 collides into each of the external wall pieces 2 and the pitching speed at each time is displayed. COPYRIGHT: (C)2003,JPO
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