Development of In-Place Test-Methods for Evaluating Printable Concretes (2024-04)¶
, , Barna Lynette, ,
Journal Article - ACI Materials Journal, Vol. 121, Iss. 2
Abstract
An experimental investigation was carried out using the volumetric proportioning approach to achieve printable portland cement concrete mixtures. The types of aggregates investigated were rounded pea gravel and coarse and fine sand. The test matrix of potential concrete mixtures was prepared based on watercement ratios (w/c) of 0.46 to 0.48, sand-to-stone ratios (sa/st) of 1.18 to 1.91, and paste-aggregate ratios (p/a) of 0.74 to 0.81. The workability and early-age strength of fresh concrete were characterized by field-friendly flow-table and unconfined compressive strength (UCS) tests. Test results indicated that the w/c, sa/st, and p/a all significantly affect fresh concrete pumpability and early-age strength. The overall research results revealed that pumpability and buildability can be evaluated with these two tests. The results of these two tests together are used to define a printable region.
¶
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BibTeX
@article{negr_krei_barn_styn.2024.DoIPTMfEPC,
author = "Christian Negron-McFarlane and Eric L. Kreiger and Lynette A. Barna and Peter B. Stynoski and Megan A. Kreiger",
title = "Development of In-Place Test-Methods for Evaluating Printable Concretes",
doi = "10.14359/51740265",
year = "2024",
journal = "ACI Materials Journal",
volume = "121",
number = "2",
}
Formatted Citation
C. Negron-McFarlane, E. L. Kreiger, L. A. Barna, P. B. Stynoski and M. A. Kreiger, “Development of In-Place Test-Methods for Evaluating Printable Concretes”, ACI Materials Journal, vol. 121, no. 2, 2024, doi: 10.14359/51740265.
Negron-McFarlane, Christian, Eric L. Kreiger, Lynette A. Barna, Peter B. Stynoski, and Megan A. Kreiger. “Development of In-Place Test-Methods for Evaluating Printable Concretes”. ACI Materials Journal 121, no. 2 (2024). https://doi.org/10.14359/51740265.