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Reinforced concrete beam is a typical D-region (disturbed region) structure which is subject to complex stress distribution.Strut-and-tie model method is one of the standard methods for the design of the complex reinforced structure, but it seldom extends to shallow beams.There are many ways to construct strut-and-tie model for reinforced concrete deep beams, but the strut-and-tie models achieved are not deem to reflect the most essential mechanical state of the beams.One powerful topology optimization named genetic evolutionary structural optimization (GESO) is used to build strut-and-tie model for reinforced concrete deep beams in the paper.In order to ensure the results to be optimums, the classical Michell criterion is used to judge and explain the GESO results.The examples include a series of simply supported beams with span-to-height from 7 to 1 which cover deep beam and shallow beam and two span continuous deep beams with concentrated load and uniform load.The examples cited prove the validity of GESO algorithm in building strut-and-tie model of reinforced concrete.The laws of strut-and-tie models of the examples are concluded to help the design of the similar beams.