Method and device for testing self-repairing performance of concrete with different crack widths
The invention provides a method and a device for testing the self-repairing performance of concrete with different crack widths, and belongs to the technical field of concrete material inspection. According to the technical scheme, a plurality of groups of concrete test pieces containing the interna...
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| creator | LI XIJI YANG KANDI SUN LIGUO ZHENG YUAN DU CHENGBIN CHEN XIAOCUI LIU DAZHI XU SHUANGQUAN |
| description | The invention provides a method and a device for testing the self-repairing performance of concrete with different crack widths, and belongs to the technical field of concrete material inspection. According to the technical scheme, a plurality of groups of concrete test pieces containing the internal admixture are manufactured, cracks with different widths are formed in the test pieces, then the cracks are sealed to form cavities, corresponding pressure measuring holes and water injection holes are formed, high-pressure water is injected through the water injection holes, osmometers are installed in the pressure measuring holes to measure pressure changes, and the pressure changes are measured. And finally, the repairing effect of the concrete test piece containing the internal admixture and the external coating agent is judged according to the pressure change. The device has the beneficial effects that the change rule of the permeability of concrete with different crack widths along with time can be effectiv |
| format | Patent |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Method and device for testing self-repairing performance of concrete with different crack widths |
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