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发明公开
CN110763573A 盾构管片接头直剪试验装置及其使用方法 审中-实审

盾构管片接头直剪试验装置及其使用方法
摘要：
本发明涉及一种盾构管片接头直剪试验装置，包括机架，机架上设有管片轴向限位单元、管片竖向限位单元以及剪力加载单元，管片竖向限位单元与剪力加载单元之间的相对位置关系满足：试验管片被管片轴向限位单元轴向限位后，管片竖向限位单元与剪力加载单元分列于管片接头两侧。通过管片轴向限位单元对试验管片进行轴向限位；通过管片竖向限位单元对管片接头一侧的管片板件进行竖向限位；通过剪力加载单元对管片接头另一侧的管片板件加载剪力，获取管片接头承受对应方向剪力时的性能数据。本发明提供的试验装置能够较好地模拟管片端部约束条件，从而使得试验条件更加地接近管片直剪试验的理想条件状态，提高试验结构的准确性和可靠性。
摘要（英）：

The invention relates to a shield segment joint direct shear test device. The shield segment joint direct shear test device comprises a rack, wherein a segment axial limiting unit, a segment verticallimiting unit and a shear force loading unit are arranged on the rack; and the relative position relationship between the segment vertical limiting unit and the shear force loading unit meets the following conditions: after a test segment is axially limited by the segment axial limiting unit, the segment vertical limiting unit and the shear force loading unit are respectively arranged on two sidesof a segment joint. The test segment is axially limited by the segment axial limiting unit; a segment plate on one side of the segment joint is vertically limited by the segment vertical limiting unit; and the shear force loading unit is used for loading shear force on the segment plate on the other side of the segment joint, and performance data of the segment joint when the segment joint bearsthe shear force in the corresponding direction is obtained. The test device provided by the invention can be used for well simulating the constraint condition of the end part of the segment, so that the test condition is closer to the ideal condition state of the segment direct shear test, and the accuracy and reliability of the test structure are improved.

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