后张法预应力管道压浆的施工工艺

Mud jacking construction technology of post-tensioned prestressed pipe

针对现在高速公路多数使用的后张法预应力梁,提出了管道压浆的施工工艺及问题的处理办法,指出应在具体施工中严格控制压浆工作的各个细节,从而保证压浆质量,达到后张法预制梁的预期效果。

In view of the wide application of post-tensioned prestressed beam in expressway works mud jacking construction technology in pumping is introduced. According to problems existed practical treatment measures are proposed. Author points out that every steps should be well controlled to ensure mud jacking quality as well as whole engineering quality.