摘要
通过对该工程框架梁、柱保护层自然破损、掉块现象的分析，认为混凝土碳化是导致结构受损的主要原因；并提出了梁柱的修复方法。
Analysed reason of the frame beam and column protecting cover broken anddropping in the concrete engineering, confirmed that concrete carbonization is the main reason forthe concrete cover broken and drppping. Offered the repairing the beach and column method.
