{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T13:55:26Z","timestamp":1768917326633,"version":"3.49.0"},"reference-count":26,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2019,7,18]],"date-time":"2019-07-18T00:00:00Z","timestamp":1563408000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["NRF-2016R1D1A1B03930763"],"award-info":[{"award-number":["NRF-2016R1D1A1B03930763"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>In this study, the fresh properties of ethylene\u2013vinyl acetate (EVA)-modified cementitious mixtures were experimentally investigated to evaluate the feasibility of this type of material being used in additive construction by extrusion (ACE). The EVA\/cement ratio was a main variable to determine the properties, including flowability, extrudability, buildability, and open time. According to the flow test results, the optimized flow of the EVA-modified cementitious mixtures was found to be 65% for buildability. This excellent flowability could be achieved because the flow increased as the EVA\/cement ratio increased; conversely, the extrudability was slightly reduced when the EVA\/cement ratio increased. However, if the flow of the EVA-modified cementitious mixtures was maintained at 65%, ACE could be achieved without significant issues. In addition, the height of the additive concrete walls created was not substantially reduced after printing of these mixtures, even though different EVA\/cement ratios were applied. Plus, ACE can be operated longer with such mixtures because the open time becomes longer as the EVA\/cement ratio increases. In summary, the results clearly demonstrated that EVA-modified cementitious mixtures were feasible for use as ACE materials.<\/jats:p>","DOI":"10.3390\/ma12142292","type":"journal-article","created":{"date-parts":[[2019,7,18]],"date-time":"2019-07-18T03:11:42Z","timestamp":1563419502000},"page":"2292","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Fresh Properties of EVA-Modified Cementitious Mixtures for Use in Additive Construction by Extrusion"],"prefix":"10.3390","volume":"12","author":[{"given":"Kyu-Seok","family":"Yeon","sequence":"first","affiliation":[{"name":"Department of Regional Infrastructure Engineering, Kangwon National University, Chuncheon, Gangwon 24341, Korea"}]},{"given":"Kwan Kyu","family":"Kim","sequence":"additional","affiliation":[{"name":"North Gyeonggi Branch, Joongbu Division, Korea Conformity Laboratories, Pocheon, Gyeonggi 11184, Korea"}]},{"given":"Jaeheum","family":"Yeon","sequence":"additional","affiliation":[{"name":"Department of Engineering and Technology, Texas A&amp;M University-Commerce, Commerce, TX 75429, USA"}]},{"given":"Hee Jun","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Regional Infrastructure Engineering, Kangwon National University, Chuncheon, Gangwon 24341, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2019,7,18]]},"reference":[{"key":"ref_1","first-page":"1","article-title":"3D concrete printing for construction applications","volume":"Volume 1","author":"Sanjayan","year":"2019","journal-title":"3D Concrete Printing Technology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1016\/S0926-5805(96)00166-5","article-title":"Exploratory investigation of solid free form construction","volume":"5","author":"Pegna","year":"1997","journal-title":"Automat. 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