Optimized Partition Scheme for Prefabricated Underpass with Large Cross Section

Table 4

The comprehension comparison of the three schemes.

Scheme	Weight	Size	Span	No. of joints	Build speed
Unit	t	m	m	—	Ring/day
1	35	2.5	8.5	8	0.4
2	67	2.5	22.3	6	0.8
3	75	4.1	22.3	3	1.5