臧  骏
    (铜陵有色房地产开发公司  244001)

[提要]  结合二处挡墙的实际破坏情况，通过计算及方案比较，认为预应力长锚杆加固挡墙方案符合加固的各项要求，可充分利用锚杆的抗拉特性提高挡墙的稳定性，且经济效益显著。
[关键词]  预应力锚杆  挡墙  加固变位  滑移

According to the failure case of two actual retaining wall project, the long prestressed anchor bar strengthening retaining wall in soil could satisfy the requirements by computation and comparison. By making good use of property of anchor bar, good results are achieved.
Keywords: prestressed anchor bar; retaining wall; deformation; cracks; strengthening