透水丁坝
More than that, at thoroughfare, bridge crossing engineering, permeable spur dike useful for fence bed, led mainstream through the medium of bridge opening.
不仅如此,在道路、桥渡工程中,丁坝可用于防护路基,引导主流通过桥孔。
While serve for beaching of bank, permeable spur dike could elaborate meantime merit sever of discontinuity revetment slacken littoral current velocity, brought accumulation of sediment, touch the object to preserve bank.
当用作护岸工程时,丁坝可以发挥其间断性护岸的优点,减缓近岸流速,促使泥沙淤积,达到保护堤岸的目的。
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