Experimental Study on Mechanical Properties of Rebar in Steel Half-Grouted Sleeve Connections with Construction Defects

Table 2

Mechanical properties of grouting material at different curing ages.

Curing age (d)	Specimens (d)	Compressive strength/MPa	Average/MPa	Standard/MPa
1	1–1	40.1	40.7	≥35
	1–2	40.6
	1–3	41.3
3	3–1	70.3	70.5	≥60
	3–2	71.5
	3–3	69.8
28	28–1	91.2	91.4	≥85
	28–2	90.8
	28–3	92.3