Experimental Study Of Dynamic Properties Of Rubber Concrete

Rubber Concrete is a kind of particles concrete prepared from specialconcrete materiaIs which is aIso known as the elasticity of concrete Therubber powder concrete can prevent the emergence and deveIopment ofmicro-eracks and absorb strain eRergy the reby improving the impactresistanee to improve seismic performance and durabiIityThis paper use Split Hopkinson pressure bar for the dynamic proPertiesOf rubber concrete and improved Experimental technoIogY test methodsdata processing and other aspects the main work in the following areas:(1)In o rde r to meet the one-dimensional assumptions and stressuniformity assumDtion we must imProve the accuracy of experimentaI data onthe SHPB experimental device．to ensure the accuracy of the experimentaldata. We useWaveform shaper tech noIogY to reduce the shock wave to achieve uniformstress of the specimen(2)By SHPB expe riment,obtai ned 0～1 OOS。'range of enginee ring g raderubber with C40 concrete stress-st rain curves Analysis the strength ofconcrete made 0f rubber formula(3)Usi ng ANSYS/LS DYNA software a rubber concrete numericalsireuIation of SHPB tests First sireulated the stress uniformity of the specimenand then use three different strain rates to simulate the damage of concreteand to analyze the failure Process and failure mechanismThis project graded on the dynamic mecha nical properties of rubberconcrete had doing expIoratory research the initial part of the materialreveals the characte ristics of the mechanical behavior for further researchand application of knowledge and provide a usefuI experimental basis...