| 摘要 |
<p>The procedure consists of laying the rails in channels (4) in a concrete bed (1). After the concrete has set each rail is positioned over a channel with a layer of a resilient material (3) covering its foot (P). The rail is then forced into the channel, which is shaped to provide a reactive force that holds the rail in the bottom, and the space above it it filled with resin.</p> |
