Stability Monitoring and Analysis of High and Steep Slope of a Hydropower Station

Table 1

Multipoint displacement meter cumulative deformation monitoring results.

Monitoring section	Number	Elevation (m)	Monitoring start time (yy/mm/dd)	Cumulative deformation by August 10, 2017 (mm)					Remarks
				40 m	30 m	20 m	10 m	0
1-1	M01	925.5	13/10/20	0	1.42	4.33	6.16	5.24	15/3/27 damage; 17/03/10 resume monitoring
	M02	895.5	13/09/22	0	2.45	2.7	/	18.26	15/3/27 damage; 17/03/10 resume monitoring
	M03	865.5	14/01/03	0	36.83	27.13	33.69	38.86	15/3/27 damage; 17/03/10 resume monitoring
2-2	M04	925.5	13/05/05	/	0	1.02	1.61	2.29	15/5/7 damage; 17/04/5 resume monitoring
	M05	895.5	13/05/05	/	0	0.77	3.5	3.5	13/7/6 damage 17/04/5 resume
	M06	865.5	13/05/05	/	0	0.34	2.65	2.78	14/3/7 damage, 17/04/5 resume
3-3	M07	925.5	13/05/05	/	0	0.71	1.21	3.2
	M08	895.5	13/05/05	/	0	1.8	2.43	4.55	15/10/23Damage; 17/04/4 resume
	M09	865	13/05/05	/	0	1.39	2.07	3.33	15/10/23Damage; 17/04/4 resume
4-4	M10	925.5	13/08/31	0	-0.28	2.3	36.09	71.22	15/3/27 damage 17/3/10 resume
	M1l	986.8	14/12/19	0	87.1	85.17	91.77	92.15	15/3/27 damage 17/3/29 resume
	M12	987.7	14/12/19	0	4.71	/	23.85	74.69	15/3/27 damage 17/3/29 resume
5-5	M13	880.5	16/05/09	/	0	9.59	14.83	22.26	15/7/1 damage, 16/12/30 resume
	M14	850.3	16/08/20	/	0	-8.26	/	21.86
	M15	830.3	17/03/25	/	0	3.32	8.17	14.51
6-6	M16	850.3	16/08/14	/	0	5.53	11.23	14.79
	M17	830.3	17/03/25	/	0	1.68	2.62	3.66	17/03/25 start