{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T22:53:37Z","timestamp":1777503217746,"version":"3.51.4"},"reference-count":25,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2022,12,16]],"date-time":"2022-12-16T00:00:00Z","timestamp":1671148800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Natural Foundation of Shandong Province","award":["ZR2020QE179"],"award-info":[{"award-number":["ZR2020QE179"]}]},{"name":"Natural Foundation of Shandong Province","award":["2018YFB2001402-02"],"award-info":[{"award-number":["2018YFB2001402-02"]}]},{"name":"Natural Foundation of Shandong Province","award":["No. 51505264"],"award-info":[{"award-number":["No. 51505264"]}]},{"DOI":"10.13039\/501100012166","name":"National key research and development Program","doi-asserted-by":"publisher","award":["ZR2020QE179"],"award-info":[{"award-number":["ZR2020QE179"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National key research and development Program","doi-asserted-by":"publisher","award":["2018YFB2001402-02"],"award-info":[{"award-number":["2018YFB2001402-02"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National key research and development Program","doi-asserted-by":"publisher","award":["No. 51505264"],"award-info":[{"award-number":["No. 51505264"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["ZR2020QE179"],"award-info":[{"award-number":["ZR2020QE179"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2018YFB2001402-02"],"award-info":[{"award-number":["2018YFB2001402-02"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No. 51505264"],"award-info":[{"award-number":["No. 51505264"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Coatings"],"abstract":"<jats:p>Three-dimensional printing concrete is a digital and automating construction technology, which is expected to solve a series of problems existing in the traditional construction industry, such as low automation, high labor intensity, low efficiency and high risk. However, there are still many technical and operational challenges. The purpose of this paper is to provide insights into the effects of process parameters on the geometry and stability of the printed layer. Firstly, a theoretical model is established to analyze the structure of the printed layer under different nozzle speeds, material flow rates and nozzle offset. Secondly, a slump test is carried out to select the optimal ratio suitable for 3D cement printers, and the specimen is printed under various conditions. Finally, based on the obtained parameters, multiple nozzles are used for printing, and a pressure value suitable for each nozzle in the nonlinear path is calculated. The experimental results show that theoretical model can sufficiently verify printing structure in different parameter intervals, and the process parameters (nozzle speed, material flow rate and nozzle offset) can be changed to achieve the best effect of cement-based material forming structure.<\/jats:p>","DOI":"10.3390\/coatings12121973","type":"journal-article","created":{"date-parts":[[2022,12,16]],"date-time":"2022-12-16T03:55:39Z","timestamp":1671162939000},"page":"1973","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Improvement of 3D Printing Cement-Based Material Process: Parameter Experiment and Analysis"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5936-8422","authenticated-orcid":false,"given":"Zihan","family":"Li","sequence":"first","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"}]},{"given":"Huanbao","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"},{"name":"Shandong Provincial Key Laboratory of Precision Manufacturing and Non-Traditional Machining, Zibo 255000, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3002-7699","authenticated-orcid":false,"given":"Xiang","family":"Cheng","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"},{"name":"Shandong Provincial Key Laboratory of Precision Manufacturing and Non-Traditional Machining, Zibo 255000, China"}]},{"given":"Ping","family":"Nie","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"}]},{"given":"Xianhai","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7586-970X","authenticated-orcid":false,"given":"Guangming","family":"Zheng","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"},{"name":"Shandong Provincial Key Laboratory of Precision Manufacturing and Non-Traditional Machining, Zibo 255000, China"}]},{"given":"Hongxing","family":"Su","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7808-7121","authenticated-orcid":false,"given":"Wenyu","family":"Jin","sequence":"additional","affiliation":[{"name":"College of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Hossain, A., Zhumabekova, A., Paul, S., and Kim, J. 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