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    • 9. 发明授权
    • Slot form for pipeline buoyancy control
    • 管道浮力控制的槽型
    • US08974147B1
    • 2015-03-10
    • US14508446
    • 2014-10-07
    • Brian Webb
    • Brian Webb
    • F16L1/06F16L3/04
    • F16L1/24F16L1/06
    • A device for controlling buoyancy of a buried pipeline, the device comprising a form placed atop the pipeline and a flexible strap extending around the form adjacent its top. The form may comprise a first trough located adjacent the first side of the pipeline, a second trough located adjacent the opposing second side of the pipeline, and a middle section with an inverted-U-shaped cross section such that the middle portion fits over the top of the pipeline and joins the first trough and the second trough. The troughs are filled with backfill when the pipeline is buried. Thus, when fully installed, the device may comprise the slot form, the strap, and the backfill. As the pipeline tends to rise, the straps deform, bringing the sides of the troughs inward and compressing the backfill therein. This prevents further upward movement of the pipeline.
    • 一种用于控制埋设管道浮力的装置,该装置包括放置在管道顶部的形式和围绕邻近其顶部的形式延伸的柔性带。 该形式可以包括邻近管道的第一侧定位的第一槽,邻近管道相对的第二侧的第二槽和具有倒U形横截面的中间部分,使得中间部分配合在 管道顶部并连接第一槽和第二槽。 当管道埋设时,槽填充回填。 因此,当完全安装时,设备可以包括槽形式,带子和回填。 随着管道趋于上升,带子变形,将槽的两侧向内压缩并压缩其中的回填。 这防止了管道的进一步向上移动。