目前，桥梁桩基施工多为灌注水下混凝土，虽然灌注水下混凝土已经过多年的经验积累和总结，但施工过程中不为人预知的事故还是经常发生，大到断桩，小到浮笼等，给施工带来影响并造成经济损失。水下混凝土浇注中，一旦发生事故，应采取相应措施，尽可能避免事故扩大或把损失控 At present, most of the construction of bridge pile foundation is perfusion underwater concrete. Although the underwater concrete pouring has accumulated and accumulated many years of experience, unexpected accidents during the construction process often occur, ranging from broken piles to small floating cages , Which has an impact on the construction and causes economic losses. Underwater concrete pouring, in the event of an accident, should take appropriate measures to avoid the accident as much as possible to expand or control loss