Interaction Analysis of Collinear Two Cracks with Unequal Length under Uniaxial Traction

Table 2

Geometric parameters of two collinear cracks of unequal length in the cement mortar specimens.

Specimen number	Incline angle α	The large crack length 2a1	The distance d	The small crack length 2a2
1	45°	24 mm	6 mm	12 mm
2	45°	24 mm	12 mm	12 mm
3	45°	24 mm	18 mm	12 mm
4	45°	24 mm	24 mm	12 mm
5	60°	24 mm	24 mm	12 mm
6	30°	24 mm	24 mm	12 mm