The open arch of the access tunnel portal.
The open arch of the access tunnel portal.
The open arch of the access tunnel portal.
The access tunnel portal
Fly rock shed at the access tunnel portal.
Inside the access tunnel portal
| Civil Construction Updates |
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March 2008 |
The Surface Assembly Building (SAB) starts construction on Mar. 15, 2008
Up to Mar. 15, 2008, Access tunnel was excavated 12 m, Construction tunnel was excavated 24 m.
1) The Access Tunnel
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The open arch of the access tunnel portal.
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The open arch of the access tunnel portal.
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The open arch of the access tunnel portal.
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The access tunnel portal
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Fly rock shed at the access tunnel portal. |
Inside the access tunnel portal
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2) The Construction Tunnel
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3) The Surface Assembly Building
 The Surface Assembly Building
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 The Surface Assembly Building
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 Excavation of the Pile foundation
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 Static blasting of the isolated rock in the pile foundation
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 Ground water in the excavated pile foundation |
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