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Central South University distance education course exam questions and answers
Tunnel engineering
First, noun explanation
1. non electrochemical tunnel
The 2. wing wall portal
3. instability of surrounding rock
4. inclinedchannel
5. mining method
6. hard rock
7. curve tunnel
8. tunnel pre support
9. surrounding rock pressure
10 shotcrete bolt support
11. open type roadheader
12. surrounding rock
13. waterproof board
14. two lining
15. non electric controlled blasting
Two, fill in the blanks
1. in the groundwater development area, construction of tunnel structure should be used to prevent Water Leakage waterstop joints.
The minimum thickness of concrete lining section 2. is 20 m.
3. when the bad geological tunnel line, should avoid as much as possible.
Convergence of the 4. railway section is widening different curve tunnel using the step transition.
5. characteristics of pre splitting blasting in the tunnel surrounding is the first blow out contour line..
6. Kerr assumed temperature, elastic resistance of surrounding rocks at one point and the point is proportional to the deformation.
7. classification of tunnel surrounding rock is divided into 6 levels, the level is smaller, the surrounding rock is more stable.
The operation ventilation requirements of 8. highway tunnel are relatively high, and the factors of ventilation machinery are tunnel length and traffic flow.
9. in the direct stiffness method in the calculation of lining structure boundary condition is a basal level of displacement is 0.
10. in the tunnel design, whether the layout of auxiliary tunnel, the main consideration of tunnel length.
11. the key processes in the tunnel construction cycle are drilling and mucking, because they occupy the largest proportion of time.
The fundamental difference between the 12. tunnels and buildings on the ground there is a tunnel surrounding rock constraint (rock resistance).
13. in the new Austrian tunneling method, control b
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