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在南方城市内河整治工程中,通常法满足大范围放坡,且内河边坡和河底土质均较差,河道开挖过程中容易产生滑坡,影响河道成型和周边建筑物安全。河道滑坡治理采用水泥粉喷桩复合地基能够有效地解决河道软基的低抗剪性,提高边坡稳定性。本文结合工程实例,介绍了利用水泥粉喷桩的抗剪强度,提高河道边坡抗滑稳定性的成功经验。
In the southern urban river improvement project, the normal method satisfies a wide range of grading, and the inland river slope and the riverbed soil are poor. Landslides are easily generated during the excavation of the riverway, affecting river formation and the safety of surrounding buildings. Riverbed landslide treatment using cement powder sprayed pile composite foundation can effectively solve the low shear resistance of soft foundation of the river and improve the stability of the slope. In this paper, the successful experience of using the DJM pile shear strength to improve the stability of the river slope stability is introduced.