针对钱塘江赫山湾段涌潮影响大、涂面高程低的特点，阐述了围堰结构设计、围堰施工时促使钱塘江涂面自然淤高所采取的技术措施及围堰施工方法。
The paper talks about the methods and measures of cofferdam construction, specially about the cofferdam structure design in Heshan of Qiantangjiang River with strong tide and low surface coating.
所研制的系统针对桥梁拉索结构的特点，构建出桥梁拉索爬行机构，采用4个CCD摄像机组成了并行式图像采集阵列，实时的将同一时刻拉索表面一周的视频图像数据传送到缺陷检测处理系统中。
It make a target of fast intellective damage detection. Depended on concurrent sensor array of 4 CCD, the system collects the surface image data of the bridge cable, and sends the data to DSPs.
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