四、现场资料法 根据现场实测资料来推算当地的淤积情况,通常是最可靠的方法。现场实测及估算淤积方法可视当地具体情况而定,本文仅介绍几种常用的方法: (一)试坑法 试坑法是目前最通用的方法之一,我国在好几个大型港口修建以前,均曾试挖过航 Fourth, the scene data method According to the field measured data to estimate the local deposition, is usually the most reliable method. Field measurement and estimation of siltation methods can be determined according to local conditions. This article describes only several commonly used methods: (1) Try pit pit test method is one of the most common methods, several large ports in China before the construction, Have tried to dig over the line