[5] [5] HOU S D, DUAN Z H, XIAO J Z, et al. A review of 3D printed concrete: performance requirements, testing measurements and mix design［J］. Constr Build Mater, 2021, 273: 121745.

[6] [6] KHAN M S, SANCHEZ F, ZHOU H Y. 3-D printing of concrete: beyond horizons［J］. Cem Concr Res, 2020, 133: 106070.

[8] [8] ROLLAKANTI C R, PRASAD C V S R. Applications, performance, challenges and current progress of 3D concrete printing technologies as the future of sustainable construction-A state of the art review［J］. Mater Today Proc, 2022, 65: 995-1000.

[9] [9] MOHAN M K, RAHUL A V, DE SCHUTTER G, et al. Extrusion-based concrete 3D printing from a material perspective: a state-of-the-art review［J］. Cem Concr Compos, 2021, 115: 103855.

[10] [10] SALET T A M, AHMED Z Y, BOS F P, et al. Design of a 3D printed concrete bridge by testing［J］. Virtual Phys Prototyp, 2018, 13(3): 222-236.

[11] [11] BUSWELL R A, LEAL DE SILVA W R, JONES S Z, et al. 3D printing using concrete extrusion: a roadmap for research［J］. Cem Concr Res, 2018, 112: 37-49.

[12] [12] World's First 3D-Printed Office Building Unveiled in Dubai. ［EB/OL］. (2016-05-26) ［2023-02-07］. https://weburbanist.com/2016/05/26/ worlds-first-3d- printed-office-building-unveiled-in-dubai/.

[13] [13] The First Fabricated 3D Printing Bus Stop Appeared in Nanjing Jiangbei New Area. ［EB/OL］. (2019-01-22) ［2023-02-07］. http:// www.nanjingiam.com/cases.html?id=21.

[14] [14] Chinese Construction Company 3D Prints an Entire Two-Story House On-Site in 45 Days. ［EB/OL］. (2016-06-16) ［2022-04-07］. https:// 3dprint.com/138664/ huashang-tengda-3d-print-house/.

[15] [15] MOHAN M K, RAHUL A V, VAN TITTELBOOM K, et al. Rheological and pumping behaviour of 3D printable cementitious materials with varying aggregate content［J］. Cem Concr Res, 2021, 139: 106258.

[16] [16] DE SCHUTTER G, LESAGE K, MECHTCHERINE V, et al. Vision of 3D printing with concrete-Technical, economic and environmental potentials［J］. Cem Concr Res, 2018, 112: 25-36.

[17] [17] LIU H W, LIU C, WU Y W, et al. Hardened properties of 3D printed concrete with recycled coarse aggregate［J］. Cem Concr Res, 2022, 159: 106868.

[18] [18] RAHUL A V, SANTHANAM M. Evaluating the printability of concretes containing lightweight coarse aggregates［J］. Cem Concr Compos, 2020, 109: 103570.

[19] [19] JI G C, DING T, XIAO J Z, et al. A 3D printed ready-mixed concrete power distribution substation: materials and construction technology［J］. Materials (Basel), 2019, 12(9): 1540.

[20] [20] JI G C, XIAO J Z, ZHI P, et al. Effects of extrusion parameters on properties of 3D printing concrete with coarse aggregates［J］. Constr Build Mater, 2022, 325: 126740.

[21] [21] RUSHING T S, STYNOSKI P B, BARNA L A, et al. Investigation of concrete mixtures for additive construction［M］//3D Concrete Printing Technology. Amsterdam: Elsevier, 2019: 137-160.

[22] [22] CHEN Y D, ZHANG Y S, PANG B, et al. Extrusion-based 3D printing concrete with coarse aggregate: Printability and direction- dependent mechanical performance［J］. Constr Build Mater, 2021, 296: 123624.

[23] [23] MUTHUKRISHNAN S, RAMAKRISHNAN S, SANJAYAN J. Technologies for improving buildability in 3D concrete printing［J］. Cem Concr Compos, 2021, 122(8): 104144.

[24] [24] CHU S H. Effect of paste volume on fresh and hardened properties of concrete［J］. Constr Build Mater, 2019, 218: 284-294.

[26] [26] KWAN A K H, LI L G. Combined effects of water film, paste film and mortar film thicknesses on fresh properties of concrete［J］. Constr Build Mater, 2014, 50: 598-608.

[27] [27] DING T, XIAO J Z, ZOU S, et al. Anisotropic behavior in bending of 3D printed concrete reinforced with fibers［J］. Compos Struct, 2020, 254: 112808.

[28] [28] TORRADO A R, ROBERSON D A. Failure analysis and anisotropy evaluation of 3D-printed tensile test specimens of different geometries and print raster patterns［J］. J Fail Anal Prev, 2016, 16(1): 154-164.

[29] [29] XIAO J Z, LIU H R, DING T. Finite element analysis on the anisotropic behavior of 3D printed concrete under compression and flexure［J］. Addit Manuf, 2021, 39: 101712.

[30] [30] YE J H, CUI C, YU J T, et al. Fresh and anisotropic-mechanical properties of 3D printable ultra-high ductile concrete with crumb rubber［J］. Compos B Eng, 2021, 211: 108639.

[31] [31] MEHTA P K, MONTEIRO P J M. Concrete: microstructure, properties, and materials［M］. New York: McGraw-Hill, 2006.

[32] [32] JIAO D W, SHI C J, YUAN Q, et al. Mixture design of concrete using simplex centroid design method［J］. Cem Concr Compos, 2018, 89: 76-88.

[33] [33] MOUTASSEM F, CHIDIAC S E. Assessment of concrete compressive strength prediction models［J］. KSCE J Civ Eng, 2016, 20(1): 343-358.

[34] [34] BEUSHAUSEN H, DITTMER T. The influence of aggregate type on the strength and elastic modulus of high strength concrete［J］. Constr Build Mater, 2015, 74: 132-139.

[35] [35] LIU H W, LIU C, WU Y W, et al. 3D printing concrete with recycled coarse aggregates: the influence of pore structure on interlayer adhesion［J］. Cem Concr Compos, 2022, 134: 104742.

[37] [37] RAHUL A V, MOHAN M K, DE SCHUTTER G, et al. 3D printable concrete with natural and recycled coarse aggregates: Rheological, mechanical and shrinkage behaviour［J］. Cem Concr Compos, 2022, 125: 104311.

[38] [38] SLAVCHEVA G. Drying and shrinkage of cement paste for 3D printable concrete［J］. IOP Conf Ser Mater Sci Eng, 2019, 481: 012043.

[39] [39] ZHANG Y, ZHANG Y S, YANG L, et al. Hardened properties and durability of large-scale 3D printed cement-based materials［J］.Mater Struct, 2021, 54(1): 1-14.

[40] [40] CHEN Y, WEI J X, HUANG H L, et al. Application of 3D-DIC to characterize the effect of aggregate size and volume on non-uniform shrinkage strain distribution in concrete［J］. Cem Concr Compos, 2018, 86: 178-189.

[41] [41] FUJIWARA T. Effect of aggregate on drying shrinkage of concrete［J］. J Adv Concr Technol, 2008, 6(1): 31-44.

[42] [42] DELATTE N J. Failure, distress and repair of concrete structures［M］. Oxford: Woodhead Publishing, 2009.

[44] [44] LU K, JIANG X Y, TAM V W Y, et al. Development of a carbon emissions analysis framework using building information modeling and life cycle assessment for the construction of hospital projects［J］. Sustainability, 2019, 11(22): 6274.

[50] [50] GITARSKIY M L. The refinement to the 2006 ipcc guidelines for national greenhouse gas inventories［J］. Fundam Appl Climatol, 2019, 2: 5-13.

[51] [51] DOE. Emission Factors for Greenhouse Gas Inventories［M］. DOE/EIA, 2021.

[52] [52] IPCC. 2006 IPCC Guidelines for National Greenhouse Gas Inventories［M］. Japan: the Institute for Global Environmental Strategies (IGES), 2006.

[54] [54] XIAO J Z, ZHANG H H, TANG Y X, et al. Fully utilizing carbonated recycled aggregates in concrete: strength, drying shrinkage and carbon emissions analysis［J］. J Clean Prod, 2022, 377: 134520.

[55] [55] SAHRAEI MOGHADAM A, OMIDINASAB F, MOAZAMI GOODARZI S. Characterization of concrete containing RCA and GGBFS: mechanical, microstructural and environmental properties［J］. Constr Build Mater, 2021, 289: 123134.

[56] [56] XIAO J Z, LV Z Y, DUAN Z H, et al. Study on preparation and mechanical properties of 3D printed concrete with different aggregate combinations［J］. J Build Eng, 2022, 51: 104282.

[58] [58] DING T, XIAO J Z, ZOU S, et al. Hardened properties of layered 3D printed concrete with recycled sand［J］. Cem Concr Compos, 2020, 113: 103724.

[60] [60] HERAS MURCIA D, GENEDY M, REDA TAHA M M. Examining the significance of infill printing pattern on the anisotropy of 3D printed concrete［J］. Constr Build Mater, 2020, 262: 120559.

[62] [62] BOS F P, MENNA C, PRADENA M, et al. The realities of additively manufactured concrete structures in practice［J］. Cem Concr Res, 2022, 156: 106746.