 |
|
THE CHANNEL TUNNEL (1)
(01:12)
PRE-LISTENING
1. What is a tunnel?
2. Why do people build tunnels?
3. What special equipment is used to build tunnels?
WHILE-LISTENING
Watch the video and answer the following questions:
4. What does the Channel Tunnel connect?
5. When did the project start?
6. How long did the construction last?
7. How much does the project cost?
8. How many workers were employed for the project?
9. When was the Tunnel opened?
10. What is its length?
11. How long is the journey through the Tunnel by car?
POST-LISTENING
12. Make the summary of the video-track.
13. Find information about any other tunnel to answer the same questions.
THE CHANNEL TUNNEL (2)
(04:41)
PRE-LISTENING
1. What information do you remember about the Channel Tunnel?
WHILE-LISTENING
Watch the video, read the inscriptions and find the answers to the following questions:
2. Which places (towns) in Britain and France exactly does the Tunnel connect?
3. Which Tunnel is the longest in the world?
4. When did the idea of a construction appear first?
5. What was Albert Mathieu’s plan?
6. What organizations were involved into the construction?
7. What capacity do the terminals have?
8. What should be taken into account by engineers before starting a construction of a tunnel under a channel?
POST-LISTENING
9. Find information about any other tunnel and make a report to the class about it.
T B M
(00:39)
PRE-LISTENING
1. What does the abbreviation ‘TBM’ stand for?
2. What is TBM?
3. Who can operate TBM?
WHILE-LISTENING
Watch the video and answer the following questions:
4. How long is the TBM shown in the track?
5. Which two things (objects) is this TBM compared to?
6. How big is TBM shown in the track?
7. How heavy is it?
8. What does this TBM do?
POST-LISTENING
9. Watch the video without audio and make your own comments.
TUNNEL BORING MACHINE
(04:00)
PRE-LISTENING
1. What is the main purpose of TBM? (to bore the ground)
2. Do you know the following words? Study the meaning of the words:
“to press”, “to rotate”, “pressure”, “to chip”, “conveyer belt”, “protective roof”, “arch”, “football pitch”.
WHILE-LISTENING
Watch the video and put the following facts in the order of appearance in the track:
3.
| A broken rock falls into a bucket wheel. | |
| The automotive device presses the rock. | |
| Vertical and horizontal position of a cutting head is constantly controlled. | |
| While boring goes on, work on construction of a protective roof is carried on. | |
| A complete ring of arch segments is transported to its final position. | |
| The cutting head rotates under a pressure of 27 tons. | |
| This TBM was specially developed for the hard rock. | |
| A broken rock is transferred onto a conveyer belt behind the cutting head. | |
| Steel arch segments are put under the protective roof. | |
| Each cutter chips the rock away. |
Watch the track again and answer the following questions:
4. How many cutters does the cutting head have?
5. What distance can TBM drive a day?
6. What is TBM compared to?
7. How long is the TBM shown in the track?
8. What is the length of the TBM compared to?
POST-LISTENING
9. Summarize everything you know about TBMs.