软土地基上灰坝滑坡治理措施优化研究

某贮灰场灰坝坐落在软土地基上,运行过程中灰坝下游坡多次发生滑动。虽经抗滑桩加锚杆进行了治理,但依然观察到变形迹象,如地面隆起等。针对此情况,本文在原有加固措施的基础上考虑排渗和加固措施优化分析,制定出了合理适用的加固措施方案。研究表明,单纯采用加固措施有时效果不突出,有效的排渗措施由于可以显著降低灰坝内的浸润线高度,从而能够更有效地提高灰坝的稳定性,本实例研究可给相近工程加固提供有益的借鉴。

Research on the optimum treatment of anti-slide of flyash dam on soft foundations

Many landslides occurred on operation of the flyash dam in an electric power plant on soft foundations. Though stake-anchor used in many anti-landslide, deformation and displacement have been observed such as land upheaval. Based on primary treatments, optimum treatments of seepage draining and reinforcement have been analyzed, and comprehensive reinforcement programs have been proposed. Results show the simple reinforcement treatment can not prevent the landslide effectively sometimes, and effective seepage draining can decrease the height of saturation line and improve stability of flyash dam. This research method has significant reference value for similar projects.