| The main research and conclusions are as follows:1,Bond tests with concrete and strengthening comparison tests Epoxy resin concrete has high compressive strength, tensile strength and early strength performance. It is feasible to use epoxy resin to strengthen low-strength concrete beams and the construction performance is better which has also been proven in the pilot project. Moreover, using epoxy resin concrete to strength low-strength concrete beams can increase unadorned beams' bearing capacity, increase unadorned beams' stiffness and improve concrete beams'anti-cracking performance.2,Bond tests with ordinary concrete and strengthening comparison testsThis topic use epoxy resin concrete to strengthen low-strength concrete components and do analysis and research in variation rule of mechanical property indexes such as bearing capacity,deformation. And we study the design model of using epoxy resin concrete to strengthen low-intensity concrete components .It is innovative.3,Mixing ratio testsMeeting the conditions of construction performance, we can use cheap ratio of epoxy resin concrete to strengthen concrete beams.
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