The Mechanism of Interface Dilatancy of Cement Mortar Rockbolts

Table 4

Failure loads of the samples (kN).

Cement-sand ratio	Anchorage length (mm)
	300	250	200	150
1 : 0	14.0	3.5	8.1	4.7
1 : 1	20.4	16.7	9.8	12.0
1 : 3	48.9	59.1	41.9	21.9

Failure loads of the samples with splitting failure are in italics in the table.