Study on the Influence of Different Recycled Coarse Aggregates on the Mechanical Properties of Concrete
In order to study the influence of recycled coarse aggregate on the mechanical properties of concrete,concrete was prepared by four kinds of recycled coarse aggregate,limestone,pebble,basalt and granite,and the compressive strength,tensile strength,elastic modulus and stress-strain relationship of concrete were compared.The research results show that the strength of reclaimed granite aggregate concrete is the best after comprehensive comparative analysis of various properties.When the curing time is 28 days and 90 days,the compressive strength is 32.73 MPa and 39.02 MPa,and the tensile strength is 2.76 MPa and 3.52 MPa,respectively,which can meet the standard requirements of engineering applications.
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