前言市区防汛墙是城市防洪的重要设施,其防洪能力主要体现在挡水高度、结构稳定和防渗效果等方面。在建设、管理和运行的过程中,防汛墙在担负防洪重任的同时,也受到诸多自然和人为因素影响,其中,造成或引发防汛墙墙体沉降致使防洪能力下降是十分突出的问题。上世纪二十至五十年 Preface Urban flood control wall is an important urban flood control facilities, and its flood control capacity is mainly reflected in the water level, structural stability and anti-seepage effect and so on. In the course of construction, management and operation, the flood control wall is also subject to many natural and man-made factors while undertaking flood control tasks. Among them, it is a very prominent issue that the flood control wall caused or caused the settlement of the flood wall to decline. Twenty to fifty years in the last century