Best Mix Ratio for Concrete Printing using Localised Materials
- Contour crafting,
- Additive manufacturing,
- Layered Manufacturing,
Copyright (c) 2020 Priyadharshini M, Sam Chelladurai S
This work is licensed under a Creative Commons Attribution 4.0 International License.
A method is proposed for assessing best mix ratio for concrete printing. The obtained mix which is indented to flow via a nozzle for building a layer upon layer construction structures. The printing method consists of a gantry system which can be controlled with the help of a digital computer. This method is nowadays used for building structural and architectural components. Thus the traditional form work is avoided. Buildability and Extrudability are some of the important flow concrete properties That have to be considered and the relationship with Workability is evaluated. This property depends on the mix ratio and the quantity of admixtures like superplasticizer, polypropylene fibers and silica fume. Hydrated sodium silicate is also added for quick settlement which is essential for the layer by layer process.
- H. Okamura, & M. Ouchi, Self-compacting concrete, Journal of advanced concrete technology, 1(2003) 5-15.
- RILEM Technical Committee, Final report of RILEM TC 188-CSC ‘Casting of self compacting concrete’, Materials and Structures, 39 (2006) 937-954.
- S.A. Austin, P.J. Robins, & C.I. Goodier, The rheological performance of wet-process sprayed mortars. Magazine of Concrete Research, 51(1999) 341-352.
- S.A. Austin, P. Robins, C.I. Goodier (2002) Construction and Repair with wet-process sprayed SA concrete and mortar, Technical report 56, The concrete society, UK.
- R. Buswell, R.C. Soar, A. Gibb, T. Thorpe, Freeform construction: Mega-scale rapid manufacturing for construction, Automation in Construction, 16(2007) 224-231
- S. Lim, T. Le, J. Webster, R. Buswell, A. Austin, A. Gibb, & T. Thorpe, (2009) Fabricating construction components using layered manufacturing technology, In Global Innovation in Construction Conference (pp. 512-520).
- S. Jacobsen, L. Haugan, T.A. Hammer, & E. Kalogiannidis, Flow conditions of fresh mortar and concrete in different pipes. Cement and Concrete Research, 39(2009) 997-1006.
- B. Mu, Z. Li, S.N. Chui, & J. Peng, (1999). Cementitious composite manufactured by extrusion technique, Cement and concrete research, 29(2), 237-240.
- Y. Shao, J. Qiu, & S.P. Shah, Microstructure of extruded cement-bonded fiberboard, Cement and Concrete Research, 31(2001) 1153-1161.
- H. Lombois-Burger, P. Colombet, J.L. Halary, & H. Van Damme, Kneading and extrusion of dense polymer–cement pastes, Cement and concrete research, 36(2006) 2086-2097.
- G.H. Tattersall, P.F.G. Banfill, (1983) The rheology of fresh concrete, Pitman Books Ltd., London.
- British Standards Institution (1990) BS 1377-9:1990 Methods of test for soils for civil engineering purposes, milton Keynes, UK
- R.W. Previte, Concrete slump loss, ACI materials journal, 74 (1977) 361-367
- D. Ravina, & I. Soroka, Slump loss and compressive strength of concrete made with WRR and HRWR admixtures and subjected to prolonged mixing, Cement and concrete research, 24(1994) 1455-1462.
- B.G. Kim, S.P. Jiang, P.C. Aitcin, Slump improvement mechanism of alkalies in PNS superplasticized cement pastes, Materials and Structures, 33(2000) 363-369
- M.A. Alhozaimy, Effect of absorption of limestone aggregates on strength and slump loss of concrete, Cement and Concrete Composites, 31(2009) 470-473
- T. Le, M.N. Soutsos, S.G.Millard, S.J. Barnett, (2007) UHPFRC – Optimisation of mix proportions. Proceedings of concrete platform international conference, Belfast, UK, pp. 339-348.
- Tarmac Limited (2007) CEMROK 40A – Product information.
- British Standards Institution (2009) BS EN 12390-3:2009 Testing hardened concrete, Milton Keynes, UK