Table 1 Statistical results of changes... | Emerald Publishing

Table 1

Statistical results of changes in rail profiles

Measuring point	Changes in profiles at vertical wear points/mm		Area of changes in profiles/mm²		Annual passing tonnage/Mt	Interval/month
Measuring point	Vertical wear	Grinding depth	Vertical wear	Grinding depth	Annual passing tonnage/Mt	Interval/month
Beijing–Shanghai HSR (CR-Beijing)	0.05	0.020^*	1.70	1.50^*	66.0	21
Beijing–Shanghai HSR (CR-Jinan)	0.03	0	1.41	0	39.4	12
Beijing–Shanghai HSR (CR-Shanghai)	0.04	0	1.28	0	42.0	14
Wuhan–Guangzhou HSR (Shaoguan)	0.04	0.035^*	1.15	2.60^*	44.0	11
Wuhan–Guangzhou HSR (Xianning)	0.04	0.001^Δ	1.20	9.30^Δ	45.0	12
Harbin–Dalian HSR (Haicheng)	0.01	0	0.32	0	10.9	13
Lanzhou–Urumchi HSR (CR-Lanzhou)	0.01	0	0.44	0	4.2	12
Lanzhou–Urumchi HSR (CR-Qinghai-Tibet)	0.01	0.030^Δ	0.52	3.34^Δ	4.2	12
Guiyang–Guangzhou HSR (CR-Chengdu)	0.01	0	0.25	0	6.3	18
Dandong–Dalian HSR (Qianyang)	0.01	0	0.50	0	4.2	19

Measuring point	Changes in profiles at vertical wear points/mm		Area of changes in profiles/mm²		Annual passing tonnage/Mt	Interval/month
Measuring point	Vertical wear	Grinding depth	Vertical wear	Grinding depth	Annual passing tonnage/Mt	Interval/month
Beijing–Shanghai HSR (CR-Beijing)	0.05	0.020^*	1.70	1.50^*	66.0	21
Beijing–Shanghai HSR (CR-Jinan)	0.03	0	1.41	0	39.4	12
Beijing–Shanghai HSR (CR-Shanghai)	0.04	0	1.28	0	42.0	14
Wuhan–Guangzhou HSR (Shaoguan)	0.04	0.035^*	1.15	2.60^*	44.0	11
Wuhan–Guangzhou HSR (Xianning)	0.04	0.001^Δ	1.20	9.30^Δ	45.0	12
Harbin–Dalian HSR (Haicheng)	0.01	0	0.32	0	10.9	13
Lanzhou–Urumchi HSR (CR-Lanzhou)	0.01	0	0.44	0	4.2	12
Lanzhou–Urumchi HSR (CR-Qinghai-Tibet)	0.01	0.030^Δ	0.52	3.34^Δ	4.2	12
Guiyang–Guangzhou HSR (CR-Chengdu)	0.01	0	0.25	0	6.3	18
Dandong–Dalian HSR (Qianyang)	0.01	0	0.50	0	4.2	19

Note(s): * refers to quick grinding; Δ refers to grinding by large track maintenance machines