黏性土类航道免扫浅疏浚关键技术研究

耙吸船常规的前期大面积开挖、后期扫浅的施工方法存在后期扫浅效率低的问题,特别是针对黏性土类。由于黏性土类不易坍塌的土质特性,施工过程中形成的浅点和垄沟一旦没有被及时清除,就会随着浚挖深度增加,高差继续增大,工程后期耙吸船的扫浅难度更大。为了解决该问题,以最新研发的耙吸监测系统提供的精确挖泥功能为依托,开展了有关研究,成功实现了黏性土类航道的免扫浅施工,提高了耙吸船的施工效率。

Key technology for TSHD to dredge clay without bed leveling

Usually the bed leveling period after massive dredging period is unavoidable during a dredging project for TSHD, and the efficiency of bed leveling will be quite low, especially for stick clay. Because of the property of stick clay, the difference of the bed will be increased if the shallow points were not eliminated in time,the bed leveling will become even harder for TSHD. In order to solve the problem, we carry out a study, with the help of accurate dredging techniques provided by new supervision technology, the bed leveling period is eliminated, and the dredging efficiency of TSHD is increased.