[4] [4] KLAVINS M, APSITE E. Sedimentary humic substances from lakes in Latvia[J]. Environment International, 1997, 23(6): 783-790.

[5] [5] ACHARDE F K. Chemische untersuchung des torfes[J]. Crell’s Chemical Annals, 1786, 2(6): 391-403.

[6] [6] PARSONS J W. Humus chemistry—genesis, composition, reactions[J]. Soil Science, 1983, 135(2): 129-130.

[8] [8] TREMBLAY H, DUCHESNE J, LOCAT J, et al. Influence of the nature of organic compounds on fine soil stabilization with cement[J]. Canadian Geotechnical Journal, 2002, 39(3): 535-546.

[9] [9] ZHU W, CHIU C F, ZHANG C L, et al. Effect of humic acid on the behaviour of solidified dredged material[J]. Canadian Geotechnical Journal, 2009, 46(9): 1093-1099.

[12] [12] KANG G O, TSUCHIDA T, KIM Y S, et al. Influence of humic acid on the strength behavior of cement-treated clay during various curing stages[J]. Journal of Materials in Civil Engineering, 2017, 29(8): 04017057.

[15] [15] TIAN M L, HAN L J, MENG Q B. Experimental study on the mechanical performance of grouted specimen with composite ultrafine cement grouts[J]. KSCE Journal of Civil Engineering, 2020, 24(1): 38-48.

[17] [17] CHEN Q S, YU R H, TAO G L, et al. Microstructure, strength and durability of nano-cemented soils under different seawater conditions: laboratory study[J]. Acta Geotechnica, 2023, 18(3): 1607-1627.

[18] [18] YOUNG J F. A review of the mechanisms of set-retardation in Portland cement pastes containing organic admixtures[J]. Cement and Concrete Research, 1972, 2(4): 415-433.

[19] [19] THOMPSON M R. Lime reactivity of Illinois soils[J]. Journal of the Soil Mechanics and Foundations Division, 1966, 92(5): 67-92.

[23] [23] CLARE K E, SHERWOOD P T. Further studies on the effect of organic matter on the setting of soil-cement mixtures[J]. Journal of Applied Chemistry, 1956, 6(8): 317-324.

[26] [26] CAO J, LIU F Y, HUANG S Y, et al. Influence of humic acid on the strength of cement-soil and analysis of its microscopic mechanism[J]. Advances in Civil Engineering, 2022, 2022: 1554204.

[27] [27] KLOSTER N, BRIGANTE M, ZANINI G, et al. Aggregation kinetics of humic acids in the presence of calcium ions[J]. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2013, 427: 76-82.

[28] [28] YOON S H, LEE C H, KIM K J, et al. Effect of calcium ion on the fouling of nanofilter by humic acid in drinking water production[J]. Water Research, 1998, 32(7): 2180-2186.

[31] [31] BENTZ D P, JENSEN O M, HANSEN K K, et al. Influence of cement particle-size distribution on early age autogenous strains and stresses in cement-based materials[J]. Journal of the American Ceramic Society, 2001, 84(1): 129-135.

[33] [33] SCRIVENER K L. The development of microstructure during the hydration of Portland cement[J]. Imperial College London (University of London), 1984, 16(5): 46-48.

[34] [34] TSAKALAKIS K, STAMHOLTZIS G A. Correlation of the Blaine value and the d80 size of the cement particle size distribution[J]. ZKG international, 2008, 61(3): 60.

[36] [36] LANGE F, MRTEL H, RUDERT V. Dense packing of cement pastes and resulting consequences on mortar properties[J]. Cement and Concrete Research, 1997, 27(10): 1481-1488.

[43] [43] HENDRIKS C A, WORRELL E, PRICE L, et al. Emission reduction of greenhouse gases from the cement industry[M]//Greenhouse Gas Control Technologies 4. Amsterdam: Elsevier, 1999: 939-944.