通过调查庐山的气候环境变化趋势及其对庐山摩崖石刻的侵蚀作用,发现近年来庐山气温逐渐升高,风速逐渐减小,相对湿度相对平稳,日照时间逐渐减小,雨水pH逐渐减小,但是降雨量和极端天气日数逐渐增加,水害和温湿度循环是主要的风化因素,而裂隙是石刻典型的病害特征.以《七佛偈》赋存岩体为载体,研究发现其为花岗岩成分;其抗压强度和化学风化指数随岩层深度变化而变化,其微观组织结构形态也证实了这些变化,试验得出《七佛偈》石刻赋存岩体的风化蚀变深度为22.9 mm.
Analysis of weathering factors and weathering alteration depth characteristics of the hosted rock mass of Lushan stone inscriptions
Based on the investigation of the changing trend of climate and environment in Lushan Mountain and its erosion effect on Lushan CliffInscriptions,it was found that in recent years,the temperature in Lushan Mountain gradually increased,the wind speed gradually decreased,the relative humidity was relatively stable,the sunshine time gradually decreased,rainfall pH gradually decreased,but the amount of rainfall and the number of days of extreme weather gradually increased,water damage and temperature and humidity cycles were the main weathering factors,and fissures were typical disease characteristics of stone carvings.Taking the rock mass of Qifoji as the carrier,it was found that its composition was granite,its compressive strength and chemical weathering index changed with the change of rock depth,and its microstructure also confirmed these changes.The experimental results showed that the weathering and alteration depth of the rock mass inscribed on Qifoji was 22.9 mm.
weathering factorsalteration depthmechanical propertiesmicrostructurehosted rock mass
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