2026 Transportation Infrastructure Precast Workshop
Published April 14, 2026 | Version v1
Conference proceeding Open

Integrating 3D Printing and Smart Sensing into Permanent Formwork for Next-Gen Precast Concrete Structures

Authors/Creators

  • 1. ROR icon Louisiana State University

Description

This study investigates the influence of environmental factors on the self-sensing performance of 3Dprinted

cementitious composites for structural health monitoring. Square 3D printed column samples

containing control mortar and self-sensing cementitious composite (SSCC) were fabricated and cured, then

exposed to controlled drying cycles and temperature variations from room temperature to 60 degC. Under

cyclic compressive loading, changes in electrical resistance were monitored to evaluate the fractional

change in resistivity (FCR) and stress sensitivity. The results demonstrate that both internal moisture

variation and elevated temperature significantly affect the piezoresistive sensitivity. Although resistance

decreased with an increase in humidity and temperature, a better piezoresistive response was captured at

the oven-dried low temperature state. The highest stress sensitivity of 1.805 %/MPa at 22.5 C at the lowest

water saturation. This study highlights the critical role of environmental effects in the deployment of smart

3D-printed concrete for the monitoring of durable infrastructure.

Files

Integrating 3D Printing and Smart Sensing into Permanent Formwork for Next-Gen Precast Concrete Structures.pdf

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Additional details

Related works

Is described by
Project deliverable: https://trans-ipic.illinois.edu/research (URL)

Funding

United States Department of Transportation
United States Department of Transportation 69A3552348333

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