高性能混凝土早龄期轴向拉伸特性_《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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高性能混凝土早龄期轴向拉伸特性

Uniaxial Tensile Behavior of High Performance Concrete at Early Ages

２００7年第6期

高性能混凝土；早龄期；抗拉强度；拉伸弹性模量

High performance concrete; Early ages; Tensile strength; Tensile elastic modulus

２００7年第6期

1000-4637（2007）06-09-03

王田凤

浙江省建筑科学设计研究院，杭州 310012

王田凤

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1000

摘要：采用经改进的轴向拉伸试验装置对三种不同水灰比的高性能混凝土早龄期的抗拉强度和拉伸弹性模量等拉伸特性进行了实验研究。结果表明，所采用的试验装置和试验方法能较有效地评价硬化过程中高性能混凝土的轴向抗拉特性；早龄期高性能混凝土的抗拉强度发展迅速，轴心抗拉强度约为同龄期劈裂抗拉强度的0.96倍；高性能混凝土早期拉伸弹性模量的发展比抗拉强度的发展更快。 Abstract: The tensile properties including tensile strength and tensile elastic modulus of three kinds of different high performance concrete ( HPC ) mixtures at early ages were experimentally investigated with uniaxial tensile testing equipment. The conclusions of the present study can be drawn as follows: The testing equipment is adopted to evaluated the tensile properties of the hardening HPC effectively; The Uniaxial tensile strength is incresased rapidly at early age and the valume is about 0.96 times of splitting tensile strength ; The development of tensile elastic modulus of HPC is much quicker than that of development of tensile strength at early ages.

英文名 : Uniaxial Tensile Behavior of High Performance Concrete at Early Ages

刊期 : ２００7年第6期

关键词 : 高性能混凝土；早龄期；抗拉强度；拉伸弹性模量

Key words : High performance concrete; Early ages; Tensile strength; Tensile elastic modulus

刊期 : ２００7年第6期

DOI :

文章编号 : 1000-4637（2007）06-09-03

基金项目 :

作者 : 王田凤

单位 : 浙江省建筑科学设计研究院，杭州 310012

王田凤

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摘要

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引用本文

Abstract: The tensile properties including tensile strength and tensile elastic modulus of three kinds of different high performance concrete ( HPC ) mixtures at early ages were experimentally investigated with uniaxial tensile testing equipment. The conclusions of the present study can be drawn as follows: The testing equipment is adopted to evaluated the tensile properties of the hardening HPC effectively; The Uniaxial tensile strength is incresased rapidly at early age and the valume is about 0.96 times of splitting tensile strength ; The development of tensile elastic modulus of HPC is much quicker than that of development of tensile strength at early ages.

关键词:

高性能混凝土；早龄期；抗拉强度；拉伸弹性模量

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