LOAD TESTING DEVICE, LOAD DETECTION UNIT, AND LOAD TESTING METHOD

To enable the applied load in the horizontal direction of a test piece to be measured with high accuracy.SOLUTION: A load detection unit 11 comprises: a placement table 110 capable of moving horizontally and on which a test piece 3 is placed; a first support plate 111 capable of moving horizontally; a first rubber bearing 112 placed on the first support plate 111; a second support plate 113 arranged on the first rubber bearing 112 and capable of moving horizontally; a second rubber bearing 114 placed on the second support plate 113; a third support plate 115 arranged on the second rubber bearing 114 and connected to the first support plate 111 so as to move in the same direction and by the same amount as the first support plate 111; a third rubber bearing 116 for supporting the placement table 110 so as to be movable horizontally and placed on the third support plate 115; a first load cell 117 for measuring the horizontal load of the placement table 110; a second load cell 118 for measuring the horizontal load of the first support plate 111 and third support plate 115; and a third load cell 119 for measuring the horizontal load of the second support plate 113.SELECTED DRAWING: Figure 1 【課題】試験体の水平方向の負荷荷重をより高精度に測定可能とする。【解決手段】荷重検出ユニット１１は、試験体３が載置され、水平移動可能な載置テーブル１１０と、水平移動可能な第１支持板１１１と、第１支持板１１１上に載置された第１ゴム支承１１２と、第１ゴム支承１１２上に配置され、水平移動可能な第２支持板１１３と、第２支持板１１３上に載置された第２ゴム支承１１４と、第２ゴム支承１１４上に配置され、第１支持板１１１と同方向に同量だけ移動するように第１支持板１１１に連結された第３支持板１１５と、第３支持板１１５上に載置され、載置テーブル１１０を水平移動可能に支持する第３ゴム支承１１６と、載置テーブル１１０の水平荷重を測定する第１ロードセル１１７と、第１支持板１１１および第３支持板１１５の水平荷重を測定する第２ロードセル１１８と、第２支持板１１３の水平荷重を測定する第３ロードセル１１９と、を有する。【選択図】図１