Study on Seismic Performance of Improved High-Strength Concrete Pipe‐Pile Cap Connection

Table 1

Parameters of specimens.

Specimen	D (mm)	t (mm)	Prestressing bars	Stirrup	Anchor bars	Improved measure of PHC pile
CT-7	500	100	11A9.0	A5@80	6B18	—
CT-8	500	100	11A9.0	A5@80	6B18	Three layers of CFRP
CT-9	500	100	11A9.0	A5@80	6B18	Volume fiber content 1.0%
CT-10	500	100	11A9.0	A5@80	6B18	11B14

Note. D is the diameter of PHC pile and t is the thickness of PHC pile.