CAJ | 학술논문

目前岩土工程性能的测试多为破坏性试验，不能用于固土现场的在线监测。激光击穿光谱（laser-induced breakdown spectroscopy ，简称LIBS）技术具有快速、实时在线等特点。利用自行搭建的一套LIBS检测系统对不同配比的离子土固化剂（ionic soil stabilizer ，ISS）水溶液改性滑带土进行了时间演化研究，并通过与改性后土壤的塑性指数、粘聚力、压缩系数等工程性质的比对，发现在现有的三个配比（1∶100，1∶200，1∶300）中1∶200的ISS改性过程中阳离子交换速度最快，工程性能指标显示改性效果非常明显，这些工作为ISS应用于固土工程提供了实验依据，同时也为岩土工程性质的检测提供了一条新的思路。
목전암토공정성능적측시다위파배성시험，불능용우고토현장적재선감측。격광격천광보（laser-induced breakdown spectroscopy ，간칭LIBS）기술구유쾌속、실시재선등특점。이용자행탑건적일투LIBS검측계통대불동배비적리자토고화제（ionic soil stabilizer ，ISS）수용액개성활대토진행료시간연화연구，병통과여개성후토양적소성지수、점취력、압축계수등공정성질적비대，발현재현유적삼개배비（1∶100，1∶200，1∶300）중1∶200적ISS개성과정중양리자교환속도최쾌，공정성능지표현시개성효과비상명현，저사공작위ISS응용우고토공정제공료실험의거，동시야위암토공정성질적검측제공료일조신적사로。
In the present paper ,the time evolution study on slip soils treated by different proportions of ionic soil stabilizer (ISS) water solution was conducted by the LIBS system and the relationship between the cation exchange and such engineering proper-ties of reinforcing soil as plasticity index ,cohesive force and coefficient of compressibility were analyzed .The results showed that the cation exchange velocity of the proportion of 1∶200 ISS reinforcing soil is the fastest among the three proportions (1∶100 ,1∶200 and 1∶300) and the modification effect of engineering performance index is quite obvious .These studies provide an experimental basis for the ISS applied to curing project ,and monitoring geotechnical engineering performance by LIBS technolo-gy also provides a new way of thinking for the curing project monitoring .