成都杜甫草堂唐代遗址土体保护材料的选择

Consolidant Selecting for Earthen Archaeological Site of Tang Dynasty in Du Fu Museum, Chengdu

成都杜甫草堂唐代遗址是成都市近年发掘的重要历史遗迹,为了保存该遗址,相关工作人员决定采取综合性的保护手段;为了防止土体的风化,采用丙烯酸树脂非水分散体和有机硅材料等多种加固剂对土样进行了加固试验,并通过颜色变化、抗压强度、耐水、耐冻融、耐盐试验对各种材料进行比较。在此基础上,通过现场检验材料的实际应用效果,确定土体加固的合适材料。

The newly excavated archaeological site of Tang Dynasty in Du Fu thatched Cottage Museum is an important site of in Chengdu City. Comprehensive preservation methods were chosen to preserve the site. In order to prevent the earthen archaeological site from weathering, several kinds of chemicals such as acrylic non-aqueous dispersion and organo-silicone were tested as consolidants. The consolidation effect were compared by color change, compress strength, water decomposition test, freezing-thaw test and salt tolerance test. Based on these tests, the suitable consolidant was decided by real site test.