{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T20:31:39Z","timestamp":1768681899412,"version":"3.49.0"},"reference-count":19,"publisher":"Emerald","issue":"4","license":[{"start":{"date-parts":[[2018,5,14]],"date-time":"2018-05-14T00:00:00Z","timestamp":1526256000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["RPJ"],"published-print":{"date-parts":[[2018,5,14]]},"abstract":"<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Purpose<\/jats:title>\n<jats:p>This paper aims to investigate the extrudability (flow-ability and shape-stability) of concrete mixtures by using contour crafting (CC) as an automated construction process.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Design\/methodology\/approach<\/jats:title>\n<jats:p>Several experiments have been performed for flow-ability and shape-stability of concrete mixtures. Experimental results were compared to understand significant factors and their interactions. After developing the empirical model for flow-ability, the model was validated.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Findings<\/jats:title>\n<jats:p>The experimental investigation of varied combination of concrete components developed a mixture within constrains of the CC nozzle and improved the quality of the extruded part.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Originality\/value<\/jats:title>\n<jats:p>Several experimental samples were fabricated using CC, and the derived empirical model was validated after more than 700 h of work.<\/jats:p>\n<\/jats:sec>","DOI":"10.1108\/rpj-01-2017-0006","type":"journal-article","created":{"date-parts":[[2018,4,13]],"date-time":"2018-04-13T07:37:28Z","timestamp":1523605048000},"page":"722-730","source":"Crossref","is-referenced-by-count":24,"title":["Effects of mixture ingredients on extrudability of concrete in Contour Crafting"],"prefix":"10.1108","volume":"24","author":[{"given":"Babak","family":"Zareiyan","sequence":"first","affiliation":[]},{"given":"Behrokh","family":"Khoshnevis","sequence":"additional","affiliation":[]}],"member":"140","reference":[{"key":"key2020092912135153200_ref001","unstructured":"ASTM Standard C143 (2015), \u201cSlump of hydraulic-cement concrete\u201d, ASTM International, West Conshohocken, PA, available at: www.astm.org"},{"key":"key2020092912135153200_ref002","unstructured":"ASTM Standard C1437 (2015), \u201cFlow of hydraulic cement mortar\u201d, ASTM International, West Conshohocken, PA, available at: www.astm.org"},{"key":"key2020092912135153200_ref003","unstructured":"ASTM Standard C1611 (2014), \u201cSlump flow of self-consolidating concrete\u201d, ASTM International, West Conshohocken, PA, available at: www.astm.org"},{"key":"key2020092912135153200_ref004","unstructured":"ASTM Standard C230 (2013), \u201cFlow table for use in tests of hydraulic cement\u201d, ASTM International, West Conshohocken, PA, pp. 1-6, available at: www.astm.org"},{"issue":"5","key":"key2020092912135153200_ref005","first-page":"193","article-title":"Tests to establish concrete pumpability","volume":"74","year":"1977","journal-title":"ACI Journal Proceedings"},{"key":"key2020092912135153200_ref006","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1016\/j.actaastro.2013.07.034","article-title":"Building components for an outpost on the lunar soil by means of a novel 3D printing technology","volume":"93","year":"2014","journal-title":"Acta Astronautica"},{"key":"key2020092912135153200_ref007","unstructured":"Dini, E. 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