Research on Visual Management Technology of Tunnel Construction Process Based on BIM Technology

Table 1

Model problems.

Specialty	Problems
Comparison between civil engineering model and drawing	There will be overlaps and gaps between sprayed arch walls
	There will be overlaps and gaps between arch wall linings
	3# plug wall of left line and sprayed arch wall cannot be closed
	There will be overlaps and gaps between invert arch linings
	There will be overlaps and gaps between shotcrete linings
	3# plug wall of left line and arch wall lining cannot be closed
	3# plug wall of left line and invert arch lining cannot be closed
	There is a gap between tunnel pipe sections, which cannot be closed
	Overlaps and gaps will be formed between inverted arch filling