| 摘要 |
A system for shoring a trench wall 12 comprises a plurality of shoring members 4 and a plurality of shutters. Each shoring member is provided with means 10for fixing that shoring member to the base 3 of the trench in a substantially upright position. At least one shutter is positioned between each pair of adjacent shoring members so as to be braced against the trench wall by engagement with the shoring members. Also disclosed is a laterally extending bracket for releasably fixing the shoring member to a concrete foundation. |
