Dynamic Model and Mechanical Properties of the Two Parallel-Connected CRLD Bolts Verified with the Impact Tensile Test

<div>Working principle of the double CRLD bolts acting in parallel in stabilizing the surrounding rock mass: (a) initial support with elastic deformation of the double bolts and (b) late support with structural deformation of the double bolts.</div>

Mathematical Problems in Engineering

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Figure 2

Figure 2: Dynamic Model and Mechanical Properties of the Two Parallel-Connected CRLD Bolts Verified with the Impact Tensile Test 