The writer suggests that careful consideration be given to the base when large-area ultrathick backfill layer is directly used as foundation for power equipment like the pumps.

• 从变形观测入手对水泵异常振动的原因进行了分析，提出采用大面积超厚回填土层直接作动力设备基础的地基应读重的建议，为类似工程提供参考。