防止桩的腐蚀或修复已损弱的桩有许多方法,保护桩的防腐技术基本有:涂防腐料、包裹防腐物、加防护套、用化学剂和阴极防护等。修复已损弱的桩大多采用加套,加固和修补等。 加固方法是另将新桩穿过建筑物面板,打入地基中,使其和建筑物联成整体。但是若建筑物上部结构的拆除运较开敞式码头困难,那么这种方法也许就不能使用。 修补方法是将个别桩的局部危险部分凿 There are many ways to prevent the corrosion of piles or to repair damaged piles. The basic techniques for preserving piles are as follows: anticorrosion materials, anticorrosive coating, protective sheathing, chemicals and cathodic protection. Most of the damaged piles have been repaired with jacketed, reinforced and repaired ones. Reinforcement method is another new piles through the building panels, into the ground, so that the building and integrated into one. However, this method may not be applicable if the dismantling of the superstructure of a building is more difficult than that of an open wharf. Repair method is to individual partial dangerous part of the pile chisel