无机-有机改性土物理力学性能试验研究

On Physical and Mechanical Properties of Inorganic-Organic Modified Soil

川渝地区留存有大量生土墙历史文化建筑,且很多是全国重点保护文物,但大多暴露在野外环境中.由于各种因素,这些珍贵的历史遗迹都受到了不同程度的损坏.为保护性修复生土墙历史文化建筑,项目组在素土中加入水泥、料姜石、环氧树脂等掺和料,研究了一种新型的修复用改性土,利用不同掺和料配比的改性土制成土坯试件,并对试件进行抗压强度、耐盐腐蚀性、抗冲刷性及耐紫外线性能的试验研究.结果表明,按照5%(质量分数,下同)水泥、10%料姜石、3%环氧树脂、82%土进行配比的修复用土具有良好的力学性能和耐久性能.

There re a large number of raw-soil wall of historical and cultural architectures in Sichuan and Chongqing Region,and most of them are national key cultural relics protection,but mostly exposed to the wild in the environment.Due to various factors,these precious historical sites have been damaged to varying degrees.For protecting and repairing raw-soil wall of historical and cultural architectures,we add some admixture like cement,ginger stone,epoxy resin etc.,to research a new kind of modified raw-soil for repairing.Using proportion of modified soil with different admixture made into adobe specimen,and do the experimental study on compressive strength,erosion resistance,UV resistance and salt corrosion resistance of the specimens was carried out.The results show that the repairing soil with 5%(by mass),10%ginger stone,3%epoxy resin and 82%soil has good mechanical properties and durability.This study can provide references for the development of high-performance cultural relic protection materials.