设计和建造港口及开辟航道、维护航道,均须探求泥沙的运动规律。而指示沙的探测就可定性地了解某一地区泥沙运移的走向。 鉴于某港需要,我们进行了指示沙探测,结果是满意的。该港为沙质海岸,因此对其它沙质海岸探求泥沙运动,有一定参考价值。其实验过程如下。 The design and construction of ports and the opening up of waterways and the maintenance of waterways are all required to explore the law of movement of sediment. The detection of sand can qualitatively understand the direction of sediment transport in a certain area. In view of the need of a certain port, we conducted a pilot survey of sand and the result was satisfactory. The harbor is a sandy coast, so it has some reference value for exploring the sediment movement on other sandy coasts. The experimental process is as follows.