The Cutter Suction Dredger is chosen as the object to study, and introduce its components and working principle, then do lots of job on its structure of bridge.

• 本论文选取了应用非常广泛的绞吸式挖泥船作为研究对象,并简要介绍绞吸式挖泥船的构成系统以及工作原理,然后主要对其上的桥架结构进行了较深入地研究。