金沙土遗址裂隙灌浆材料比选室内试验研究  

Laboratory Study on the Comparison and Selection of Crack Grouting Materials for Jinsha Soil Site

作　　者：岳磊 王捷 张小兵 王逢睿 周杰 王瑞林 YUE Lei;WANG Jie;ZHANG Xiao-bing;WANG Feng-rui;ZHOU Jie;WANG Rui-lin(Northwest Research Institute Co.,Ltd.of China Railway Engineering Corporation,Lanzhou 730000,China;Grottoes Protection Technology Base of State Administration of Cultural Heritage,Lanzhou 730000,China;Geotechnical Cultural Relics Protection Research Center of Gansu Province,Lanzhou 730000,China;Gansu Provincial Research Center for Conservation of Dunhuang,Jiuquan 736200,China)

机构地区：[1]中铁西北科学研究院有限公司,兰州730000 [2]国家文物局石窟保护技术重点科研基地,兰州730000 [3]甘肃省岩土文物保护工程技术研究中心,兰州730000 [4]甘肃省敦煌文物保护研究中心,酒泉736200

出　　处：《科学技术与工程》2024年第7期2847-2855,共9页Science Technology and Engineering

基　　金：中国中铁科学研究院有限公司重点课题(2021-KJ009-Z006-A2,2022-KJ007-Z005-A2,2023-KJ010-Z009-A2)。

摘　　要：为探究适用于金沙土遗址裂隙加固的灌浆材料,选取了烧料礓石、SH(改性聚乙烯醇)和无机矿物聚合物与金沙遗址试验土拌合制备了三种灌浆材料。通过室内试验,对各种灌浆材料结石体试样的基本物理性能、力学性能及耐久性能进行了详细分析。试验结果表明,无机矿物聚合物灌浆材料具有较低的收缩性,能够有效填充裂隙;同时,其较高的抗折和抗压强度为提升土遗址的力学稳定性提供了可靠保障;在研究的三种灌浆材料中,无机矿物聚合物灌浆材料展现出最佳的耐久性能。因此,建议在金沙土遗址的裂隙注浆加固工程中采用无机矿物聚合物灌浆材料,研究成果将为潮湿环境下土遗址裂隙灌浆材料的选择与应用提供有益的指导。In order to explore the grouting materials suitable for the fracture reinforcement of Jinsha soil site,three kinds of grouting materials were prepared by mixing calcined ginger nut,SH and inorganic mineral polymer with the test soil of Jinsha site.Through laboratory tests,the basic physical properties,mechanical properties and durability of various grouting materials were analyzed in detail.The results show that the inorganic mineral polymer grouting material has low shrinkage and can effectively fill the cracks.At the same time,its high flexural and compressive strength provides a reliable guarantee for improving the mechanical stability of earthen sites.Among the three grouting materials studied,the inorganic mineral polymer grouting material exhibits the best durability.Therefore,it is recommended to use inorganic mineral polymer grouting materials in the crack grouting reinforcement project of Jinsha soil site.The research results will provide useful guidance for the selection and application of crack grouting materials in soil sites under humid environment.

关 键 词：金沙遗址 土遗址 无机土加固剂 灌浆材料 

分 类 号：TU521[建筑科学—建筑技术科学]