Inversion Modeling of Dam-Zoning Elasticity Modulus for Heightened Concrete Dam Using ICS-IPSO Algorithm

Table 4

A comparison of the measured displacements and identified displacements obtained by the inversion analysis of typical measuring points at different water levels (mm).

Displacements
Date	2017/9/21	2017/10/11	2017/10/19
Water level	161.76	164.56	166.34	161.76	164.56	166.34
PL1-1	0.069	0.127	0.170	0.070	0.127	0.167
PL1-2	0.153	0.284	0.376	0.157	0.286	0.377
PL2-1	0.269	0.487	0.633	0.265	0.483	0.636
PL2-2	0.625	1.116	1.457	0.621	1.117	1.458
PL2-3	0.759	1.355	1.766	0.759	1.359	1.770

Note: in this case, the reservoir water level of 157.79 m on August 24, 2017, was used as the initial water level .