The outline tests on the alignment of spur dikes in the flume with repeated tidal flow were carried out based on the alignment of the regulation structures in the north trough of the deep waterway in the Yangtze Estuary.

• 摘要结合长江口深水航道治理二期工程北槽中整治建筑物的布置形式，在潮汐往复流水槽中进行了丁坝群不同布置形式的概化试验。