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PARAMETERS ANALYSIS AND DISCUSSION IN INTERNAL FORCE CALCULATIONS FOR TEMPERATURE CHANGE AND CONCRETE SHRINK OF TRUSSED COMBINATION ARCH BRIDGE
Author(s): 
Pages: 223-229
Year: Issue:  z1
Journal: GUIZHOU SCIENCE

Keyword:  桁式组合拱桥体系温变混凝土收缩内力参数;
Abstract: 已建的桁式组合拱桥在计算温变、混凝土收缩效应时采用了《公路砖石及混凝土桥涵设计规范》(JTJ022-85)第4.2.8条的规定.本文结合规范该条规定取值的依据来源分析以及桁式组合拱桥的结构特点,提出了桁式组合拱桥体系温变、混凝土收缩内力计算的参数取值应按桁式杆件结构取值,不应进行折减.滋以交流和探讨,供设计使用参考.
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