陡河防潮闸维修时必须搭围埝。但在淤泥上搭围埝，既要牢固、稳定、阻滑，又要抵御潮水冲刷及水位差的变化。经采用打木桩。挂芭片，中间填土料的方法，而且抢在平潮段进行施工，终于将围埝搭设成功，为工程维修和清淤创造了条件。 Steep River floodgate repair must take the siege. However, in the mud on the siege, it is necessary to solid, stable, slippery, but also to resist the erosion of the tide and the water level difference changes. After the adoption of playing wooden piles. Hanging films, filling the middle of the method, and robbed in the flat section of the tide construction, and finally Wai 埝 erected successfully for the project maintenance and dredging to create the conditions.