半干旱地区土遗址加固材料的对比研究——以陕西临潼地区某大型土遗址为例  

Comparative Study on Reinforcement Materials for Earthen Sites in Semi-arid Areas——as Exemplified by a Large-scale Earth Site in Lintong Area of Shaanxi

作　　者：杜之琳 朱建锋[1] 马涛 赵西晨 罗宏杰[1,3] 刘森彪 DU Zhilin;ZHU Jianfeng;MA Tao;ZHAO Xichen;LUO Hongjie;LIU Senbiao(School of Materials Science and Engineering,Shaanxi University of Science and Technology,Xi’an 710021,China;Shaanxi Academy of Archaeology,Xi’an 710054,China;Institute for the Conservation of Cultural Heritage,Shanghai University,Shanghai 200444,China)

机构地区：[1]陕西科技大学材料科学与工程学院,西安710021 [2]陕西省考古研究院,西安710054 [3]上海大学文化遗产保护基础科学研究院,上海200444

出　　处：《材料导报》2025年第8期84-92,共9页Materials Reports

基　　金：国家重点研发计划(2019YFC1520100);国家自然科学基金(52272020,52102108);中国博士后科学基金面上项目(2021M691997);陕西省教育厅重点科研计划(22JY009)。

摘　　要：大型土遗址的有效保护历来是行业的一大难题,尤其是位于半干旱地区的土遗址,由于受到风、雨、冻融等多重因素的影响,同时面临着干、湿环境下所共有的保护难题。为找到适合的加固保护材料,选取目前常用的四种材料进行对比,分别是无机材料高模数硅酸钾(PS)、有机材料改性聚乙烯醇(SH)、纳米纤维素材料改性羧甲基纤维素钠(M-CMC)以及纤维素纳米晶须(CNC),深入研究它们对陕西临潼地区某大型墓葬土遗址表面硬度、抗压强度、耐冻融、耐盐、耐水、色度和透气性等的影响。结果显示,在含水率为12%的半干旱土体模拟中,M-CMC材料加固的样品整体力学性能良好,SH材料加固后的土体耐久性显著提高,这两种材料适合半干旱地区土遗址加固应用,并符合土遗址保护的色差及透气性等兼容性要求。Effective protection of large-scale earthen sites has always been a major challenge for the industry,especially those located in semi-arid regions,which are affected by multiple factors such as wind,rain,freezing and thawing,and at the same time face protection challenges common to both dry and wet environments.In order to find suitable reinforcement and protection materials,thiswork selected four materials currently in common use for comparison,namely inorganic material high modulus potassium silicate(PS),organic material modified polyvinyl alcohol(SH),nanocellulose material modified sodium carboxymethylcellulose(M-CMC),and cellulose nanowhisker(CNC),and conducted in-depth research on their effects on surface hardness,compressive strength,freeze-thaw resistance,frost resistance and thawing resistance of a large-scale burial earthen site in Lintong area of Shaanxi,compressive strength,freeze-thaw resistance,salt resistance,water resistance,chromaticity and permeability.The results show that in the simulation of semi-arid soil with 12%water content,the overall mechanical properties of the samples reinforced with M-CMC materials are good,and the durability of the soil reinforced with SH materials is significantly improved.These two materials are suitable for the application of soil site reinforcement in semi-arid areas and meet the compatibility requirements such as color difference and air permeability for soil site protection.

关 键 词：半干旱区 土遗址 加固保护 对比试验 

分 类 号：K878[历史地理—考古学及博物馆学] TB30[历史地理—历史学]