Ant Colony Optimization Analysis on Overall Stability of High Arch Dam Basis of Field Monitoring

Table 5

The difference of downstream displacement in the direction perpendicular, along river obtained from various feedback analysis methods (analysis case  2, unit: mm).

Analysis case	EL (m)	Between generalized least squares and design						Between D-ACO and design
		Right arch side		Arch crown		Left arch side		Right arch side		Arch crown		Left arch side
		𝛿𝑌	𝛿𝑋	𝛿𝑌	𝛿𝑋	𝛿𝑌	𝛿𝑋	𝛿𝑌	𝛿𝑋	𝛿𝑌	𝛿𝑋	𝛿𝑌	𝛿𝑋
Case  2	2185	0.6	1.1	13.8	0.4	1.2	0.5	0.6	1.4	9.2	0.6	0.8	−0.3
	2148	1.5	−0.9	14.5	0.4	1.7	0.7	1.9	−0.8	10.7	0.6	1.4	−0.1
	2119	2.3	−1.1	12.7	0.3	2.4	0.8	2.8	−1	9.6	0.5	2.1	0.2
	2100	2.6	−1.1	11.1	0.2	2.7	0.8	3.1	−0.9	8.6	0.4	2.3	0.2
	2075	3.1	−1	8.3	0.1	2.4	0.6	3	−0.3	6.7	0.3	1.7	−0.3
	2050	2.7	−0.6	5.3	0.1	2.4	0.6	2.8	0	4.5	0.2	1.9	−0.1
	2035	2.1	−0.3	3.2	0	2	0.4	2.2	0.2	2.8	0.1	1.7	0
	2030	1.9	−0.1	2.6	0	1.9	0.4	1.7	0.5	2.2	0.1	1.5	0.1
	Max. value	3.1	−1.1	14.1	0.5	2.7	0.8	3	−0.5	9.5	0.7	2.3	0.2