Row pile model and distribution patterns of soil...

2.Row pile model and distribution patterns of soil parameters after construction

On the basis of single pile construction simulation,the construction process of 60 row isolation piles was simulated by sequential construction method.The row pile construction model is shown in Figure 2.

Figure 2　Numerical model of row pile

Using the built-in FISH language of Flac3D,a composite construction cycle function is created to realize the simulation of row pile construction.The function calculation process is shown in Figure 3.

The results(Figure 4)show that the maximum vertical displacement occurs at the 2/3 total length of the isolation pile construction direction,and large soil settlement change occurs near the pile which is under construction.