前言钢桩码头、栈桥、系船墩、航标、浮筒、海上泊地及海洋采油平台等港工和海工钢结构物,应考虑海洋环境诸如强烈的波浪冲击和成年累月的海洋大气及海水带来的严重腐蚀。因此,为了延长钢结构物的使用寿命,减少维修保养费用,除设计时考虑选用质 Foreword Steel structures such as steel piers, trestles, mooring piers, beacons, buoys, offshore berths and offshore oil platforms should take into account the marine environment such as strong wave impact and the oceanic atmosphere and seawater that has been passing through all the years Serious corrosion. Therefore, in order to extend the service life of steel structures, reduce maintenance costs, in addition to consider the design quality