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Numerical Simulation on Propagation Mechanism of Hydraulic Fracture in Fractured Rockmass
Hydraulic fracturing process in fractured rockmass which with an existing single natural fracture at its various conditions: its different angles and different lengths was simulated by using RFPA2D(2.0)-Flow version which adopts the finite element method and considers the heterogeneous characteristics of rock in meso-scale, creates seepage-stress-failure coupling model. The effect tendency of natural fractures angle and length on the seepage characteristics of fractured rockmass was given through the description of tensile fracture initiation and propagation in the rock specimens. The simulation results show that the effect of these two factors on fractures initiation, propagation and rockmass stability under the hydraulic fracturing could be remarkable.
Numerical Simulation on Propagation Mechanism of Hydraulic Fracture in Fractured Rockmass
Hydraulic fracturing process in fractured rockmass which with an existing single natural fracture at its various conditions: its different angles and different lengths was simulated by using RFPA2D(2.0)-Flow version which adopts the finite element method and considers the heterogeneous characteristics of rock in meso-scale, creates seepage-stress-failure coupling model. The effect tendency of natural fractures angle and length on the seepage characteristics of fractured rockmass was given through the description of tensile fracture initiation and propagation in the rock specimens. The simulation results show that the effect of these two factors on fractures initiation, propagation and rockmass stability under the hydraulic fracturing could be remarkable.
Numerical Simulation on Propagation Mechanism of Hydraulic Fracture in Fractured Rockmass
Applied Mechanics and Materials ; 488-489 ; 417-420
2014-01-08
4 pages
Article (Journal)
Electronic Resource
English
Numerical Simulation on Propagation Mechanism of Hydraulic Fracture in Fractured Rockmass
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