Discussions Populaires Dans la Communauté Le tunneling

What is the impact of strike direction in Tunnels with Class 5 rock ?‎

Réponses:

2

Adeptes:

3

Vues:

130

Vote Count:

1

What will be the suitable pressure of contact grouting for a Headrace tunnel of 11m height?‎

Réponses:

1

Adeptes:

1

Vues:

141

Vote Count:

0

What does "SN Rock Bolt" means?‎

Full definition of "SN".‎

Réponses:

6

Adeptes:

7

Vues:

2940

Vote Count:

1

What is the main influencing factor in the selection of tunnel cross section?‎

Réponses:

1

Adeptes:

4

Vues:

157

Vote Count:

0

What are the design specifications for shallow and deep tunnels?‎

Réponses:

3

Adeptes:

5

Vues:

764

Vote Count:

0

What is the criteria for choosing best tunnel route and tunnel alignment?‎

Réponses:

2

Adeptes:

3

Vues:

212

Vote Count:

0

Which "failure mode" is most effective on tunnel stability?‎

Réponses:

1

Adeptes:

2

Vues:

259

Vote Count:

0

Does the use of the rock mass classification systems have expired?‎

This question has been raised for open discussion about; "deficiencies of rock mass classification systems about properly explanation of rock mass behavior".‎

Réponses:

5

Adeptes:

7

Vues:

292

Vote Count:

0

Which cases can we use "yielding elements" as a tunnel support?‎

Réponses:

3

Adeptes:

3

Vues:

290

Vote Count:

0

When rock bolts should be tightened? What is the criteria for tunneling?‎

Réponses:

1

Adeptes:

2

Vues:

219

Vote Count:

0