Cross-sections
Bored tunnel cross-section (rounded)
Bored tunnel cross-section (rounded) for rock surroundings
Cut-and-cover tunnel cross-section (box)
Cut-and-cover tunnel cross-section (box) on piles
Cut-and-cover tunnel cross-section (rounded) I
Cut-and-cover tunnel cross-section (rounded) II
Cut-and-cover tunnel cross-section (rounded) III
Cut-and-cover tunnel cross-section (rounded) IV
Cut-and-cover tunnel cross-section (rounded) V
Excavated tunnel cross-section (rounded) for rock surroundings
Excavation cross-section with diaphragm wall
Excavation cross-section
General tunnel cross-section
Tunnel safety niche cross-section
Cross section for creation of tunnel fronts