| 摘要 |
<p>A construction assembly (17) for use in a mine, including an expandable panel (10), fastening means (20) for securing the panel to a wall surface (19) of the mine; and filler (14) for expanding the panel, wherein the fastening means serves to limit expansion of the panel away from the wall surface so that expansion is directed toward the wall surface to maximise contact between the expanded panel and the wall surface.</p> |
