Damage Evaluation of the Paving around Manholes under Vehicle Dynamic Load

Table 2

Settlement of manholes and changes of road longitudinal slope.

Investigation item		Damage number
		Tianchen		Jingshidong
		Up point	Down point	Up point	Down point
Settlement	0–5 mm	62	59	54	49
	5–10 mm	11	13	11	15
	10–15 mm	2	3	1	4
	15–20 mm	5	2	7	8
	>20 mm	0	3	7	4
	−3%–−1%	0		7
	−1%–0%	77		32
	0%–1%	3		31
	1%–2%	0		10
	>2%	0		0