1：Experimental Design and Method Selection:

The study employed basalt fibers (BF) as a high modulus component to enhance local stress on piezoelectric ceramic particles in 0–3 CPCs. The effect of BF content (0.00–0.23 vol%) on properties was evaluated.

2：00–23 vol%) on properties was evaluated. Sample Selection and Data Sources:

2. Sample Selection and Data Sources: Samples were prepared with varying BF content. Properties measured included mechanical, piezoelectric, and dielectric properties, and output voltage of sensors.

3：List of Experimental Equipment and Materials:

Materials included P I 52.5 cement, PZT-5H piezoelectric ceramics, silica fume, superplasticizer, deionized water, and basalt fibers. Equipment included quasi-static d33 meter, impedance/gain phase analyzer, universal material testing machine, nitrogen adsorption specific surface area tester, scanning electronic microscopy, and material universal testing machine.

4：5 cement, PZT-5H piezoelectric ceramics, silica fume, superplasticizer, deionized water, and basalt fibers. Equipment included quasi-static d33 meter, impedance/gain phase analyzer, universal material testing machine, nitrogen adsorption specific surface area tester, scanning electronic microscopy, and material universal testing machine. Experimental Procedures and Operational Workflow:

4. Experimental Procedures and Operational Workflow: Samples were prepared, cured, and polarized. Properties were measured post-polarization. Sensors were subjected to sinusoidal loading to measure output voltage.

5：Data Analysis Methods:

Data on mechanical, piezoelectric, and dielectric properties were analyzed. Output voltage under loading was measured and analyzed.