先张法预应力混凝土梁自平衡模板体系研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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先张法预应力混凝土梁自平衡模板体系研究

Research on the self-balancing mould system of pretensioned concrete beams

2024年第6期

先张法预应力混凝土梁；张拉台座；移动式；模板；有限元分析

Self-balancing mould system of pretensioned concrete beam; Tensioning reaction pedestal; Mobile; Mould; Finite element analysis

2024年第6期

10.19761/j.1000-4637.2024.06.072.03

上海市科学技术委员会项目（23XD1432400）。

刘殿生，吴晨磊，朱敏涛

上海建工建材科技集团股份有限公司，上海 200438

刘殿生，吴晨磊，朱敏涛

刘殿生,吴晨磊,朱敏涛.先张法预应力混凝土梁自平衡模板体系研究[J].混凝土与水泥制品,2024(6):72-74.

LIU D S,WU C L,ZHU M T.Research on the self-balancing mould system of pretensioned concrete beams[J].China Concrete and Cement Products,2024(6):72-74.

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摘要：为解决传统先张法预应力混凝土梁固定张拉反力台座建造或改造成本较高的问题，研发了移动式自平衡模板体系，该模板体系由反力装置和模板装置组成。其中，模板装置采用整体拆装式结构，包括底模、外模、内模和端模；反力装置由钢横梁、钢管、开口式横撑组成，使用过程中与预应力钢绞线形成自平衡体系。有限元分析表明：反力装置的钢管强度满足相关规范要求。 Abstract：In order to solve the problem of high construction or renovation costs for fixed tensioning reaction pedestals of traditional pretensioned concrete beams, a mobile self-balancing mould system is developed, which consists of reaction devices and mould devices. Among them, the mould device adopts an integral disassembly and assembly structure, including bottom mold, outer mold, inner mold, and end mold. The reaction device consists of steel crossbeams, steel pipes, and open cross braces, forming a self-balancing system with prestressed steel strands during using. Finite element analysis shows that the steel pipe strength of the reaction device meets the specification requirements.

英文名 : Research on the self-balancing mould system of pretensioned concrete beams

刊期 : 2024年第6期

关键词 : 先张法预应力混凝土梁；张拉台座；移动式；模板；有限元分析

Key words : Self-balancing mould system of pretensioned concrete beam; Tensioning reaction pedestal; Mobile; Mould; Finite element analysis

刊期 : 2024年第6期

DOI : 10.19761/j.1000-4637.2024.06.072.03

文章编号 :

基金项目 : 上海市科学技术委员会项目（23XD1432400）。

作者 : 刘殿生，吴晨磊，朱敏涛

单位 : 上海建工建材科技集团股份有限公司，上海 200438

刘殿生，吴晨磊，朱敏涛

刘殿生,吴晨磊,朱敏涛.先张法预应力混凝土梁自平衡模板体系研究[J].混凝土与水泥制品,2024(6):72-74.

LIU D S,WU C L,ZHU M T.Research on the self-balancing mould system of pretensioned concrete beams[J].China Concrete and Cement Products,2024(6):72-74.

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引用本文

Abstract：In order to solve the problem of high construction or renovation costs for fixed tensioning reaction pedestals of traditional pretensioned concrete beams, a mobile self-balancing mould system is developed, which consists of reaction devices and mould devices. Among them, the mould device adopts an integral disassembly and assembly structure, including bottom mold, outer mold, inner mold, and end mold. The reaction device consists of steel crossbeams, steel pipes, and open cross braces, forming a self-balancing system with prestressed steel strands during using. Finite element analysis shows that the steel pipe strength of the reaction device meets the specification requirements.

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