[1] NEILD S A, WILLIAMS M S, MCFADDEN P D. Development of a vibrating wire strain gauge for measuring small strains in concrete beams[J]. Strain, 2005, 41(1): 3-9. [2] OZBULUT O E, JIANG Z F, HARRIS D K. Exploring scalable fabrication of self-sensing cementitious composites with graphene nanoplatelets[J]. Smart Materials and Structures, 2018, 27(11): 115029. [3] BUTLER L J, GIBBONS N, HE P, et al. Evaluating the early-age behaviour of full-scale prestressed concrete beams using distributed and discrete fibre optic sensors[J]. Construction and Building Materials, 2016, 126: 894-912. [4] CHUNG D D L. Piezoresistive cement-based materials for strain sensing[J]. Journal of Intelligent Material Systems and Structures, 2002, 13(9): 599-609. [5] ZHU S R, CHUNG D D L. Numerical assessment of the methods of measurement of the electrical resistance in carbon fiber reinforced cement[J]. Smart Materials and Structures, 2007, 16(4): 1164-1170. [6] DONG W K, LI W G, TAO Z, et al. Piezoresistive properties of cement-based sensors: review and perspective[J]. Construction and Building Materials, 2019, 203: 146-163. [7] DU H J, PANG S D. Dispersion and stability of graphene nanoplatelet in water and its influence on cement composites[J]. Construction and Building Materials, 2018, 167: 403-413. [8] LIU J T, FU J L, YANG Y, et al. Study on dispersion, mechanical and microstructure properties of cement paste incorporating graphene sheets[J]. Construction and Building Materials, 2019, 199: 1-11. [9] ISLAM M F, ROJAS E, BERGEY D M, et al. High weight fraction surfactant solubilization of single-wall carbon nanotubes in water[J]. Nano Letters, 2003, 3(2): 269-273. [10] POORSARGOL M, ALIMOHAMMADIAN M, SOHRABI B, et al. Dispersion of graphene using surfactant mixtures: experimental and molecular dynamics simulation studies[J]. Applied Surface Science, 2019, 464: 440-450. [11] SHAO H Y, CHEN B M, LI B, et al. Influence of dispersants on the properties of CNTs reinforced cement-based materials[J]. Construction and Building Materials, 2017, 131: 186-194. [12] SINDU B S, SASMAL S. Properties of carbon nanotube reinforced cement composite synthesized using different types of surfactants[J]. Construction and Building Materials, 2017, 155: 389-399. [13] MATEOS R, VERA S, VALIENTE M, et al. Comparison of anionic, cationic and nonionic surfactants as dispersing agents for graphene based on the fluorescence of riboflavin[J]. Nanomaterials, 2017, 7(11): 403. [14] BOURLINOS A B, GEORGAKILAS V, ZBORIL R, et al. Aqueous-phase exfoliation of graphite in the presence of polyvinylpyrrolidone for the production of water-soluble graphenes[J]. Solid State Communications, 2009, 149(47/48): 2172-2176. [15] ZOU B, CHEN S J, KORAYEM A H, et al. Effect of ultrasonication energy on engineering properties of carbon nanotube reinforced cement pastes[J]. Carbon, 2015, 85: 212-220. [16] COLLINS F, LAMBERT J, DUAN W H. The influences of admixtures on the dispersion, workability, and strength of carbon nanotube-OPC paste mixtures[J]. Cement and Concrete Composites, 2012, 34(2): 201-207. [17] STRANO M S, MOORE V C, MILLER M K, et al. The role of surfactant adsorption during ultrasonication in the dispersion of single-walled carbon nanotubes[J]. Journal of Nanoscience and Nanotechnology, 2003, 3(1): 81-86. [18] LI G Y, WANG P M, ZHAO X H. Pressure-sensitive properties and microstructure of carbon nanotube reinforced cement composites[J]. Cement and Concrete Composites, 2007, 29(5): 377-382. [19] YU X, KWON E. A carbon nanotube/cement composite with piezoresistive properties[J]. Smart Materials and Structures, 2009, 18(5): 055010. [20] XU J M, ZHANG D. Pressure-sensitive properties of emulsion modified graphene nanoplatelets/cement composites[J]. Cement and Concrete Composites, 2017, 84: 74-82. [21] LIEBSCHER M, LANGE A, SCHRÖFL C, et al. Impact of the molecular architecture of polycarboxylate superplasticizers on the dispersion of multi-walled carbon nanotubes in aqueous phase[J]. Journal of Materials Science, 2017, 52(4): 2296-2307. [22] KHARISSOVA O V, KHARISOV B I, DE CASAS ORTIZ E G. Dispersion of carbon nanotubes in water and non-aqueous solvents[J]. RSC Advances, 2013, 3(47): 24812. |