[3] [3] BERNER U R. Modeling Porewater chemistry in hydrated portland cement[J]. Mat Res Soc Symp Proc, 1986, 84: 319-330.

[4] [4] FERN?NDEZ R, M?DER U K, RODR?GUEZ M, et al. Alteration of compacted bentonite by diffusion of highly alkaline solutions[J]. Eur J Mineral, 2009, 21(4): 725-735.

[7] [7] HERBERT H J, KASBOHM J, SPRENGER H, et al. Swelling pressures of MX-80 bentonite in solutions of different ionic strength[J]. Phys Chem Earth, 2008, 33(S1): S327-S342.

[8] [8] BERNER U R. Evolution of pore water chemistry during degradation of cement in a radioactive waste repository environment[J]. Waste Manage, 1992, 12(2/3): 201-219.

[9] [9] GLASSER F P, ATKINS M. Cements in Radioactive Waste Disposal[J]. MRS Bull, 1994, 19(12): 33-38.

[11] [11] BRADBURY M H, BAEYENS B. Porewater chemistry in compacted re-saturated MX-80 bentonite[J]. J Contam Hydrol, 2003, 61(1-4): 329-338.

[12] [12] MITCHELL J K, SOGA K. Fundamentals of soil behavior[M]. 3rd Ed New Jersey: John Wiley & Sons, Inc. 2005: 166.

[13] [13] BAUER A, BERGER G. Kaolinite and smectite dissolution rate in high molar KOH solutions at 35 ℃ and 80 ℃[J]. Appl Geochem, 1998, 13(7): 905-916.

[16] [16] REYNOLDS R C, HOWER J. The Nature of Interlayering in Mixed-Layer Illite-Montmorillonites[J]. Clay Clay Miner, 1970, 18(1): 25-36.

[18] [18] FARMER V C, RUSSELL J D. Interlayer complexes in layer silicates: The structure of water in lamellar ionic solutions[J]. Transact Faraday Soc, 1971, 67: 2737-2749.

[22] [22] KELLER W D. Environmental aspect of clay minerals[J]. J Sediment Res, 1970, 40(3): 788-813.

[23] [23] YE W M, HE Y, CHEN Y G, et al. Thermochemical effects on the smectite alteration of GMZ bentonite for deep geological repository[J]. Environ Earth Sci, 2016, 75(10): 906.

[24] [24] CRUNDWELL F K. The mechanism of dissolution of minerals in acidic and alkaline solutions: Part I - A new theory of non-oxidation dissolution[J]. Hydrometallurgy, 2014, 149: 252-264.

[25] [25] ROBERSON H E, LAHANN R W. Smectite to illite conversion rates: effects of solution chemistry[J]. Clay Clay Miner 1981, 29(2): 129-135.

[26] [26] HE Y, YE W M, CHEN Y G, et al. Bentonite[J]. Eng Geol. 2019, 249: 241-248.

[27] [27] CUADROS J, ALTANER S P. Characterization of mixed-layer illite-smectite from bentonites using microscopic, chemical, and X-ray methods: Constraints on the smectite-to-illite transformation mechanism[J]. Am Mineral, 1998, 83(7/8): 762-774.

[28] [28] BAUER A, VELDE B. Smectite transformation in high molar KOH solutions[J]. Clay Miner, 1999, 34(2): 259-273.

[30] [30] PUSCH R, KASBOHM J, THAO H. Chemical stability of montmorillonite buffer clay under repository-like conditions—A synthesis of relevant experimental data[J]. Appl Clay Sci, 2010, 47(1/2): 113-119.