小跨度预应力混凝土盖梁优化为钢筋混凝土盖梁的可行性分析_OpenScirbe Publishing

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小跨度预应力混凝土盖梁优化为钢筋混凝土盖梁的可行性分析

Author(s)：
王荣喜

Publication Title：

Wen Yuan (Middle School Edition) 2021 No.10

Affiliations：
中铁二十三局集团第三工程有限公司

Abstract：
目前在高速公路桥梁设计中存在为解决盖梁跨度较大和节约高耗能材料等因素而使用预应力混凝土盖梁，但预应力混凝土盖梁在施工进度、施工质量、经济效益方面均存在较大风险，如预应力盖梁往往设计需要分两阶段进行张拉，混凝土浇筑后拆底模支架前进行部分钢束张拉，待梁板架设及湿接缝施工完成后在进行剩余钢束张拉，则造成人员设备的多次周转，功效较低，施工成本增加。所以对小跨度预应力混凝土盖梁优化采用非预应力的钢筋混凝土盖梁有一定意义，为后续混凝土盖梁设计的优化和施工组织提供参考。

Keywords：
预应力混凝土盖梁；二次张拉；安全；经济效益

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[1] 王荣喜.小跨度预应力混凝土盖梁优化为钢筋混凝土盖梁的可行性分析[J].Wen Yuan (Middle School Edition),2021(10),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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