冻融作用下土石混合体-混凝土界面强度劣化、孔隙结构演化及颗粒运移研究

唐丽云, 李屹恒, 于永堂, 金龙, 高志刚, 贾海梁, 孙强, 刘晨昕

Study on strength deterioration， pore structure evolution and particle migration of interface between soil-rock mixture and concrete under freeze-thaw action

Liyun TANG, Yiheng LI, Yongtang YU, Long JIN, Zhigang GAO, Hailiang JIA, Qiang SUN, Chenxin LIU

表4 含石率45%界面层核磁共振谱面积及增长率

Table 4 NMR spectrum area and growth rate of the rock content 45% interface layer

冻融次数N 谱面积/a.u. 峰1面积/a.u. 增长率/% 峰2面积/a.u. 增长率/% 峰3面积/a.u. 增长率/% 0 1 503 1 201 0 263 0 39 0 3 1 642 1 306 8.74 281 6.84 55 41.02 5 1 536 1 197 -8.35 285 1.42 54 -1.81 20 1 680 1 328 11.04 294 3.16 58 7.41