Through the comparative analysis of steel plate reinforced,ceramics reinforced and nonreinforced joints under loading condition,the feasibility of strengthening steel joint of architectural structure was studied.By using element birth and death technology simulation of the finite element software ANSYS,it is found that when the reinforced structure is 10 mm in thickness and using steel structure to reinforce the concerned areas,the equivalent stress in concerned regionals reduces by 31.1％ compared with that when the structure is not reinforced.When reinforced with ceramics,the equivalent stress in concerned regionals reduces by 24.1％ compared with that reinforced with steels; when the reinforced structure is 20 mm in thickness using steels to reinforce the concerned area,the equivalent stress in concerned regionals reduces by 39.4％ compared with that when the structure is not reinforced.When using ceramics to reinforce the concerned areas,the equivalent stress only decreases by 3.7％ compared with that reinforced with steels.
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