南唐二陵墓室彩画冷凝水治理研究

Study on the control of condensed water on the frescos in Two Southern Tang Dynasty cemeteries

南唐二陵墓室在春夏之交、夏秋之交时产生大量冷凝水,严重危害墓室彩画安全。为此,在查阅文献资料和实地调研后,自2013年7月至8月对墓室内外环境温湿度进行了监测记录。结果表明:墓室内相对室外为持续低温(22℃)高湿(RH=100%)的状态,对彩画保存非常不利。随后结合室外温湿度测量记录数据,分析了冷凝水产生的原因。在此基础上,提出通过安装风幕机、除湿机对冷凝水进行治理的措施,并继续对治理效果进行跟踪测量记录,结果显示该措施能够有效降低墓室内相对湿度(RH=90%),对去除墓室内冷凝水进而保护墓室彩画有重要作用。

The security of colored paintings has been seriously threatened by a large amount of condensed water on the frescos in two Southern Tang dynasty cemeteries as the seasons change.Data obtained from July to August in2013 indicated that the temperature and humidity in the tombs are continually 22 ℃ and 100%,respectively.Based on this investigation and survey,a new method to control condensed water by using air curtains and dehumidifiers was proposed.As a result,the humidity indoor was reduced from 100% to 90%.In this case,the condensed water on the frescos is effectively controlled.