One coil after another until the clay layers were all joined up inside the body.

一圈接一圈，直到粘土层在体内对接合茬。

We can see the internal traces of the clay layers here, which shows how the clay coiled up.

我们可以看到粘土层的内部痕迹，这表明粘土是盘筑起来的。

As of this writing, crews are testing some revised drilling procedures that they hope will reduce the disturbance to the clay layer so they can get those piers installed and the building supported as quickly as possible.

截至撰写本文时，工作人员正在测试一些修改后的钻孔程序，他们希望这些程序能够减少对粘土层的干扰，以便他们能够尽快安装这些桥墩并支撑建筑物。