Experimental Research on Mechanical Properties of In-Situ Printed Concrete Slabs

WU Jiaxin; WANG Yu; WU Lei

doi:10.13204/j.gyjzG22092808

Volume 53 Issue 10

Oct. 2023

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WU Jiaxin, WANG Yu, WU Lei. Experimental Research on Mechanical Properties of In-Situ Printed Concrete Slabs[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(10): 61-67,93. doi: 10.13204/j.gyjzG22092808

Citation:

WU Jiaxin, WANG Yu, WU Lei. Experimental Research on Mechanical Properties of In-Situ Printed Concrete Slabs[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(10): 61-67,93. doi: 10.13204/j.gyjzG22092808

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Experimental Research on Mechanical Properties of In-Situ Printed Concrete Slabs

doi: 10.13204/j.gyjzG22092808

School of Civil Engineering, Southeast University, Nanjing 211189, China

Received Date: 2022-09-28
Available Online: 2023-12-18

Abstract

Abstract

Currently, the construction of floor slabs of 3D printed concrete buildings mainly adopts the method of on-site assembly of prefabricated printed slabs, but with the in-depth research and development of large concrete 3D printers, the practice of in-situ printing of floor slabs is also accelerating in the exploration. The in-situ printing of floor slabs requires a base mold to achieve, so by simulating the in-situ printing of temporary base mold and the construction method of using printed concrete laminated slab and profiled steel sheet as permanent base mold respectively, the in-situ printed concrete slab specimens were designed to study the damage pattern, crack distribution, deflection development and characteristic load. The tests showed that both the specimens with printed concrete slabs as permanent base mold and the specimens with temporary base mold exhibited similar overall damage patterns as those of ordinary concrete slabs, and good bonds could be formed between the superimposed printed concrete layers and between the prefabricated superimposed printed concrete layers; while the slab specimens with profiled steel sheet applied as permanent base mold showed slippage between the profiled steel sheet and the printed concrete.
- 3D printed concrete,
- in-situ construction,
- slab components,
- mechanical properties

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References(11)

References

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