[1] [1] YANG H F, LAN W W, QIN Y H, et al. Evaluation of bond performance between deformed bars and recycled aggregate concrete after high temperatures exposure[J]. Construction and Building Materials, 2016, 112: 885-891.

[2] [2] DIEDERICHS U, SCHNEIDER U. Bond strength at high temperatures[J]. Magazine of Concrete Research, 1981, 33(115): 75-84.

[3] [3] BINGL A F, GL R. Residual bond strength between steel bars and concrete after elevated temperatures[J]. Fire Safety Journal, 2009, 44(6): 854-859.

[4] [4] LEE B Y, KURTIS K E. Influence of TiO2 nanoparticles on early C3S hydration[J]. Journal of the American Ceramic Society, 2010, 93(10): 3399-3405.

[6] [6] LAWRENCE P, CYR M, RINGOT E. Mineral admixtures in mortars effect of inert materials on short-term hydration[J]. Cement and Concrete Research, 2003, 33(12): 1939-1947.

[7] [7] NAZARI A, RIAHI S. Retraction note: TiO2 nanoparticles effects on properties of concrete using ground granulated blast furnace slag as binder[J]. Science China Technological Sciences, 2021, 64(9): 2066.

[8] [8] JALAL M, FATHI M, FARZAD M. Effects of fly ash and TiO2 nanoparticles on rheological, mechanical, microstructural and thermal properties of high strength self compacting concrete[J]. Mechanics of Materials, 2013, 61: 11-27.

[9] [9] MA B G, LI H N, MEI J P, et al. Effects of nano-TiO2 on the toughness and durability of cement-based material[J]. Advances in Materials Science and Engineering, 2015, 2015: 583106.

[10] [10] SALMAN M M, EWEED K M, HAMEED A M. Influence of partial replacement TiO2 nanoparticles on the compressive and flexural strength of ordinary cement mortar[J]. Al-Nahrain Journal for Engineering Sciences, 2016, 19(2): 265-270.

[13] [13] ISMAEL R, SILVA J V, CARMO R N F, et al. Influence of nano-SiO2 and nano-Al2O3 additions on steel-to-concrete bonding[J]. Construction and Building Materials, 2016, 125: 1080-1092.

[14] [14] GUO Z, ZHU Q X, WU W D, et al. Research on bond-slip performance between pultruded glass fiber-reinforced polymer tube and nano-CaCO3 concrete[J]. Nanotechnology Reviews, 2020, 9(1): 637-649.

[22] [22] HAN B G, LI Z, ZHANG L Q, et al. Reactive powder concrete reinforced with nano SiO2-coated TiO2[J]. Construction and Building Materials, 2017, 148: 104-112.

[24] [24] The International Federation for Structural Concrete. Model code 2010: first complete draft[S]. Switzerland: Secretariat Permanent, 2010.

[28] [28] KOOK K H, SHIN H O, KWAHK I J, et al. Bond characteristics of ultra high performance concrete[J]. Journal of the Korea Concrete Institute, 2010, 22(6): 753-760.

[29] [29] LIANG R, HUANG Y, XU Z M. Experimental and analytical investigation of bond behavior of deformed steel bar and ultra-high performance concrete[J]. Buildings, 2022, 12(4): 460.

[30] [30] MARCHAND P, BABY F, KHADOUR A, et al. Bond behaviour of reinforcing bars in UHPFRC[J]. Materials and Structures, 2016, 49(5): 1979-1995.