In Situ Monitoring and Numerical Experiments on Vertical Deformation Profiles of Large-Scale Underground Caverns in Giant Hydropower Stations

Table 1

Statistics of representative hydropower station underground powerhouses in Southwest China.

Hydropower station	Height of major powerhouse (m)	Vertical buried depth (m)	Number of layered excavations
Jinping I Hydropower Station	68.80	160~420	11
Jinping II Hydropower Station	72.20	231~327	8
Xiluodu Hydropower Station	75.10	340~480	10
Houziyan Hydropower Station	68.70	400~660	9
Dagangshan Hydropower Station	74.60	390~520	10
Guandi Hydropower Station	78.00	154~427	11
Xiaowan Hydropower Station	79.38	380~480	10
Baihetan Hydropower Station	88.70	260~330	10
Wudongde Hydropower Station	89.80	220~380	11
Ertan Hydropower Station	65.38	250~350	12
Xiangjiaba Hydropower Station	85.50	105~225	9
Nuozhadu Hydropower Station	77.77	180~220	10
Shuangjiangkou Hydropower Station	67.32	321~498	10
Yangfanggou Hydropower Station	75.57	200~330	9
Changheba Hydropower Station	73.35	285~480	10
Lianghekou Hydropower Station	66.80	400~450	9