对预应力管道，预应力通过套管与裂纹管道过盈配合方式产生。
To prestressed sleeve, prestressed produced through interference fit between sleeve and crack pipeline.
湖北江坪河电站滑坡变形体加固工程采用了套管跟进预应力锚固技术成功取得了较好的效果。
Hubei Jiangpinghe power station landslide deformation strengthening works of the casing follow-up of prestressed anchoring technique successfully obtained good results.
然后浇筑混凝土，将套管预埋在预应力空心楼板内；
Then concrete is poured, and the sleeve is pre-embedded in the prestressed hollow floor slab;
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