| JOHN HARDING SPEAKS ON CHANNEL TUNNEL PROJECT An interview on some of the engineering considerations of boring through chalk. | ||
|---|---|---|
| Tape Master: | 8894 | |
| Catalog #: | 47579 | |
| Clip Number: | 47579-1 | |
| Orginal Film: | UN 3798 C | |
| Timecode: | 01:57:55 - 01:59:20 | |
| Location: | United Kingdom | |
| Year Shot: | 1963 (Actual Year) | |
| Audio: | Yes | |
| Color: | No | |
| Headings: | CONSTRUCTION: Tunnels LOCATIONS/EUROPE: UK, English Channel | |
| Description: | MR. JOHN HARDING SPEAKS ON CHANNEL TUNNEL PROJECT An interview on some of the engineering considerations of boring through chalk. MS Mr John Harding seated at desk giving an interview, answering questions about the Channel Tunnel Project, the tunnel's width and type of machines to be used, etc. He talks about rotary bores, about 7 metres in diameter, being used to tunnel through chalk and using injections to close fissures ahead of the boring. | |


