Deterministic and reliability analysis of prestressed concrete bridge girders: comparison of the Chinese, Hong Kong and AASHTO LRFD Codes
作者： J.S. Du , F.T.K. Au
DOI: 10.1016/J.STRUSAFE.2004.10.004
关键词:
摘要: Abstract This paper compares the prestressing requirements and reliability indices of prestressed concrete bridge girders designed using three codes: Chinese Code, Hong Kong Code AASHTO LRFD Code. Typical post-tensioned spans ranging from 25 to 40 m are considered. Deterministic analysis indicates that service limit state governs design according However for only those with longer controlled by state. The actual number strands needed is quite close while required about 18–33% higher than Disparity between flexural capacity based on strength states exists in all codes. However, disparity does not follow same trends as In addition, index always considered codes, which governed state, one another.
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