[1] HOSSAIN M A, ZHUMABEKOVA A, PAUL S C, et al. A review of 3D printing in construction and its impact on the labor market[J]. Sustainability, 2020, 12(20): 8492. [2] ZHANG J C, WANG J L, DONG S F, et al. A review of the current progress and application of 3D printed concrete[J]. Composites Part A: Applied Science and Manufacturing, 2019, 125: 105533. [3] BUSWELL R A, LEAL DE SILVA W R, JONES S Z, et al. 3D printing using concrete extrusion: a roadmap for research[J]. Cement and Concrete Research, 2018, 112: 37-49. [4] PANDA B, NOOR MOHAMED N A, PAUL S C, et al. The effect of material fresh properties and process parameters on buildability and interlayer adhesion of 3D printed concrete[J]. Materials, 2019, 12(13): 2149. [5] PANDA B, RUAN S Q, UNLUER C, et al. Improving the 3D printability of high volume fly ash mixtures via the use of nano attapulgite clay[J]. Composites Part B: Engineering, 2019, 165: 75-83. [6] PANDA B, PAUL S C, MOHAMED N A N, et al. Measurement of tensile bond strength of 3D printed geopolymer mortar[J]. Measurement, 2018, 113: 108-116. [7] PANDA B, RUAN S Q, UNLUER C, et al. Investigation of the properties of alkali-activated slag mixes involving the use of nanoclay and nucleation seeds for 3D printing[J]. Composites Part B: Engineering, 2020, 186: 107826. [8] PANDA B, UNLUER C, TAN M J. Extrusion and rheology characterization of geopolymer nanocomposites used in 3D printing[J]. Composites Part B: Engineering, 2019, 176: 107290. [9] TAY Y W D, QIAN Y, TAN M J. Printability region for 3D concrete printing using slump and slump flow test[J]. Composites Part B: Engineering, 2019, 174: 106968. [10] WOLFS R J M, BOS F P, SALET T A M. Hardened properties of 3D printed concrete: the influence of process parameters on interlayer adhesion[J]. Cement and Concrete Research, 2019, 119: 132-140. [11] BOS F P, BOSCO E, SALET T A M. Ductility of 3D printed concrete reinforced with short straight steel fibers[J]. Virtual and Physical Prototyping, 2019, 14(2): 160-174. [12] WOLFS R J M, BOS F P, SALET T A M. Correlation between destructive compression tests and non-destructive ultrasonic measurements on early age 3D printed concrete[J]. Construction and Building Materials, 2018, 181: 447-454. [13] CHEN Y, CHAVES FIGUEIREDO S, YALÇINKAYA Ç, et al. The effect of viscosity-modifying admixture on the extrudability of limestone and calcined clay-based cementitious material for extrusion-based 3D concrete printing[J]. Materials, 2019, 12(9): 1374. [14] CHEN Y, CHAVES FIGUEIREDO S, LI Z M, et al. Improving printability of limestone-calcined clay-based cementitious materials by using viscosity-modifying admixture[J]. Cement and Concrete Research, 2020, 132: 106040. [15] CHEN Y, ROMERO RODRIGUEZ C, LI Z M, et al. Effect of different grade levels of calcined clays on fresh and hardened properties of ternary-blended cementitious materials for 3D printing[J]. Cement and Concrete Composites, 2020, 114: 103708. [16] NERELLA V N, KRAUSE M, MECHTCHERINE V. Direct printing test for buildability of 3D-printable concrete considering economic viability[J]. Automation in Construction, 2020, 109: 102986. [17] NERELLA V N, HEMPEL S, MECHTCHERINE V. Effects of layer-interface properties on mechanical performance of concrete elements produced by extrusion-based 3D-printing[J]. Construction and Building Materials, 2019, 205: 586-601. [18] KRUGER J, DU PLESSIS A, VAN ZIJL G. An investigation into the porosity of extrusion-based 3D printed concrete[J]. Additive Manufacturing, 2021, 37: 101740. [19] KRUGER J, ZERANKA S, VAN ZIJL G. 3D concrete printing: a lower bound analytical model for buildability performance quantification[J]. Automation in Construction, 2019, 106: 102904. [20] MA G W, SALMAN N M, WANG L, et al. A novel additive mortar leveraging internal curing for enhancing interlayer bonding of cementitious composite for 3D printing[J]. Construction and Building Materials, 2020, 244: 118305. [21] WANG L, JIANG H L, LI Z J, et al. Mechanical behaviors of 3D printed lightweight concrete structure with hollow section[J]. Archives of Civil and Mechanical Engineering, 2020, 20(1): 1-17. [22] DING T, XIAO J Z, ZOU S, et al. Hardened properties of layered 3D printed concrete with recycled sand[J]. Cement and Concrete Composites, 2020, 113: 103724. [23] 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]. Composites Part B: Engineering, 2021, 211: 108639. [24] ARUNOTHAYAN A R, NEMATOLLAHI B, RANADE R, et al. Development of 3D-printable ultra-high performance fiber-reinforced concrete for digital construction[J]. Construction and Building Materials, 2020, 257: 119546. [25] PHAM L, TRAN P, SANJAYAN J. Steel fibres reinforced 3D printed concrete: influence of fibre sizes on mechanical performance[J]. Construction and Building Materials, 2020, 250: 118785. [26] PHAM L, LIN X S, GRAVINA R J, et al. Influence of PVA and PP fibres at different volume fractions on mechanical properties of 3D printed concrete[M]//Lecture Notes in Civil Engineering. Singapore: Springer Singapore, 2020: 2013-2024. [27] RAABE D, ROMANO P, SACHS C, et al. Microstructure and crystallographic texture of the chitin-protein network in the biological composite material of the exoskeleton of the lobster Homarus americanus[J]. Materials Science and Engineering: A, 2006, 421(1/2): 143-153. [28] PHAM L, LU G X, TRAN P. Influences of printing pattern on mechanical performance of three-dimensional-printed fiber-reinforced concrete[J]. 3D Printing and Additive Manufacturing, 2020: 3dp.2020.0172. [29] BONG S, NEMATOLLAHI B, NAZARI A, et al. Method of optimisation for ambient temperature cured sustainable geopolymers for 3D printing construction applications[J]. Materials, 2019, 12(6): 902. [30] AL-QUTAIFI S, NAZARI A, BAGHERI A. Mechanical properties of layered geopolymer structures applicable in concrete 3D-printing[J]. Construction and Building Materials, 2018, 176: 690-699. [31] NEMATOLLAHI B, VIJAY P, SANJAYAN J, et al. Effect of polypropylene fibre addition on properties of geopolymers made by 3D printing for digital construction[J]. Materials, 2018, 11(12): 2352. [32] LIU M, ZHANG Q Y, TAN Z D, et al. Investigation of steel wire mesh reinforcement method for 3D concrete printing[J]. Archives of Civil and Mechanical Engineering, 2021, 21(1): 1-18. [33] PERROT A, JACQUET Y, RANGEARD D, et al. Nailing of layers: a promising way to reinforce concrete 3D printing structures[J]. Materials, 2020, 13(7): 1518. [34] LI Z J, WANG L, MA G W. Mechanical improvement of continuous steel microcable reinforced geopolymer composites for 3D printing subjected to different loading conditions[J]. Composites Part B: Engineering, 2020, 187: 107796. [35] CHEN Y, ÇOPUROLU O, ROMERO RODRIGUEZ C, et al. Characterization of air-void systems in 3D printed cementitious materials using optical image scanning and X-ray computed tomography[J]. Materials Characterization, 2021, 173: 110948. [36] XtreeE. X-Reef, in the Calanques national park[EB/OL]. [2021-03-23]. https://xtreee.com/en/project/xreef/. |