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gao su tie lu yu zhi xiang liang yu ying li shi gong de jing que kong zhi
Author(s): 
Pages: 31-33
Year: Issue:  5
Journal:  Research & Application of Building Materials

Keyword:  高速铁路 箱梁 预应力混凝土 后张法 精确控制;
Abstract: 结合高速铁路预应力混凝土预制箱梁的预应力施工,对预应力的确定、钢绞线理论伸长量计算、钢绞线实际伸长量计算、预应力实施效果评价等几个环节进行了分析,提出了后张法预应力混凝土结构预应力施工精确控制的措施。
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