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Experimental Study on Mechanical Properties of Concrete after High Temperature Treatments

MA Jiang-feng;  
This paper selects the concrete strength rank for C40 as the research object,Through calculating and matching, the mix proportion of concrete finally can be got, and this paper analyzes compressive strength, splitting tensile strength,axial compressive strength and elastic modulus of concrete under the condition of normal temperature and different high temperature treatments. Research shows that the mechanical properties of concrete can satisfy the requirements of project under the condition of normal temperature; when concrete samples cooled down to room temperature after different high temperature treatments,the mechanical properties of concrete reduced to a certain degrees, and the higher the temperature,the greater the reduction.
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