HTU - Tunnels

The following models are available:

HTU.GF | Any tunnel subjected to ground failure effects

Suggested Block Size: 1 EA (round up to integer quantity)

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HTU.GS.1 | Any bored/drilled tunnel subjected to ground shaking effects

Suggested Block Size: 1 EA (round up to integer quantity)

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HTU.GS.2 | Any cut & cover tunnel subjected to ground shaking effects

Suggested Block Size: 1 EA (round up to integer quantity)

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