| 摘要 |
A bracket 10 having a base plate 12 and a mounting plate 14 pivotally connected thereto. The base plate 12 has at least one feature 16, such as an aperture or recess, engageable with a fixing bolt of a tunnel lining joint. The mounting plate 14 has a first portion 24 configured so as to be engageable with a mounting member (Fig.2, 58) and a second portion 22 configured so as to receive and support a movable reaction member (fig.2, 44). The reaction member 44 may be in the form of a threaded bolt with a pivotable foot to brace the bracket against the tunnel wall. |
