Deformation Characteristics and Safety Evaluation of the Throw Filling Soft Clay Cofferdam under Super-Historical Flood Conditions

Table 2

Load combinations for cofferdam stability analysis.

Calculation conditions	Illustrate	Measured water level outside of the cofferdam	Cofferdam top loading
A1	Stable operation of the cofferdam before the flood	March 24–June 30, 2020	—
B2	Flood rising period	July 01–July 11, 2020	—
C3	Loaded sand bags, stable seepage at flood level (20.78 m)	July 12, 2020	20 kN/m^2
D4	Flood decline period	July 12–November 1, 2020	20 kN/m^2