3D Printed Concrete

1. High-temperature degradation of interlayer bonding and microstructure

• 1.1 Introduction
• 1.2 Materials and experimental program
• 1.3 Results and discussion
• 1.4 Conclusions

2. Anisotropic strength evolution under thermal curing conditions

• 2.1 Introduction
• 2.2 Maturity method
• 2.3 Experimental procedures
• 2.4 Evaluation of the compressive strength of 3D-printed concrete
• 2.5 Evaluation of the flexural strength of 3D-printed concrete
• 2.6 Conclusions

3. Printability optimization: flowability, pore structure, and multiobjective design

• 3.1 Introduction
• 3.2 Materials and methods
• 3.3 Results and discussion
• 3.4 Optimization of flowability based on multiobjective requirements
• 3.5 Conclusion

4. Maturity-based models for strength prediction under coupled temperature-humidity effects

• 4.1 Introduction
• 4.2 Experimental procedures
• 4.3 Results and discussion
• 4.4 Conclusion

5. CO₂-pretreated recycled fine aggregates: properties and 3D-printed concrete applications

• 5.1 Introduction
• 5.2 Experimental procedure
• 5.3 Mechanical properties of 3DPM with carbonation curing
• 5.4 Microstructural morphology and hydration products of recycled fine aggregate and carbonated recycled fine aggregate mixed 3DPM
• 5.5 Engineering implications
• 5.6 Limitations and future work
• 5.7 Environmental assessment: life-cycle context
• 5.8 Conclusion

6. CO₂ curing for early-age strength gain and carbon sequestration

• 6.1 Introduction
• 6.2 Experimental procedure
• 6.3 Experimental results
• 6.4 CO₂ sequestration analysis
• 6.5 Low-carbon pathways and life-cycle assessment
• 6.6 Conclusion

7. Interfacial shear behavior, fiber reinforcement, and durability

• 7.1 Introduction
• 7.2 Material and methods
• 7.3 Results and discussion
• 7.4 Experimental program and methods
• 7.5 Optimization of mixture for 3D printing material
• 7.6 Results and discussion
• 7.7 Conclusions

8. Effects of coarse-aggregate size on 3D-printed concrete

• 8.1 Introduction
• 8.2 Materials and experimental methods
• 8.3 Results and discussion
• 8.4 Conclusions

9. Deep learning-assisted computed tomography analysis for microstructure characterization

• 9.1 Introduction
• 9.2 Methods
• 9.3 Results and discussion
• 9.4 Conclusion
• Appendix A: Implementation details
• Appendix B: Nomenclature

10. Synthesis, conclusions, and future perspectives in 3D-printed concrete research

• 10.1 From printability to engineering application: an overall understanding
• 10.2 Main conclusions from the preceding nine chapters
• 10.3 Cross-chapter synthesis: governing mechanisms of interface, pore structure, and anisotropy
• 10.4 Theoretical contributions and methodological value
• 10.5 Implications for engineering application
• 10.6 Outlook on low-carbon development and circular construction
• 10.7 Digital assessment and intelligent quality control
• 10.8 Limitations and issues requiring further resolution
• 10.9 Future research directions
• 10.10 A carbon-reduction reading of the book
• 10.11 Toward standardization and industrial scale-up
• 10.12 Overall conclusions of the book