| 摘要 |
<p>The present invention provides a base structure or sleeper for supporting at least one rail member. The base structure comprises a member (102) arranged to receive the at least one rail member, wherein the member has at least one anchoring arrangement utilizable to anchor the member to a surface. The anchoring arrangement (104) may comprise serrations or indentations (108) intended to engage the track ballast, and may be in the form of a saw tooth, square tooth, or half cylindrical slots.</p> |
