Discrete element-based three-dimensional mesoscopic simulation method for crack resistance of fiber concrete
The invention provides a discrete element-based three-dimensional mesoscopic simulation method for the crack resistance of fiber concrete. The method comprises the following steps: establishing an actual three-dimensional model of each graded coarse aggregate and fiber adopted by target fiber concre...
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| creator | XIA ZHI ZHANG JUNJIAN YUAN RENZHONG LUO CHANGHONG WEI BINGYAN HE XIONGJUN JIANG WEI LEE HAKJUN ZHAO YUANQING ZHOU MING LIAO CHUNTAO WEI ZHENGPING |
| description | The invention provides a discrete element-based three-dimensional mesoscopic simulation method for the crack resistance of fiber concrete. The method comprises the following steps: establishing an actual three-dimensional model of each graded coarse aggregate and fiber adopted by target fiber concrete; randomly generating fiber particles at different angles in the target space, and putting aggregate; by taking the bonding strength among the fibers, the aggregate and the mortar as input, establishing a bonding contact relationship among particles of the target fiber concrete model, and generating a fiber concrete test piece; solidifying and loading the fiber concrete test piece, and carrying out initial equilibrium state analysis; boundary conditions are applied to the fiber concrete test piece, and the fracture mechanical property of the fiber concrete is measured by loading an external load through a three-point bending test. According to the method, the discrete element model is established based on the act |
| format | Patent |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS |
| title | Discrete element-based three-dimensional mesoscopic simulation method for crack resistance of fiber concrete |
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