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Uniaxial tensile strength and tensile Young's modulus of fly-ash concrete at early age

机译:粉煤灰混凝土早期单轴抗拉强度和拉伸杨氏模量

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摘要

The present study investigates the tensile strength and Young's modulus of fly-ash concrete at early age by using a prismatic specimen with an embedded reinforcing bar. Tests were conducted on both normal concrete and fly-ash concrete with a cement-replacement ratio of 20%. Three fly-ash concretes were placed and cured in field environmental conditions in summer, autumn and winter in western Japan. The tension test was performed to quantify the uniaxial tensile strength and tensile Young's modulus of such fly-ash concrete at early age. Based on the test results, the paper presents empirical formulae for both strength and Young's modulus.
机译:本研究通过使用带有嵌入式钢筋的棱柱形试样研究粉煤灰混凝土在早期的抗拉强度和杨氏模量。对普通混凝土和粉煤灰混凝土均进行了试验,水泥替代率为20%。在日本西部的夏季,秋季和冬季,在野外环境条件下放置并固化了三种粉煤灰混凝土。进行拉伸试验以量化这种粉煤灰混凝土在早期的单轴拉伸强度和拉伸杨氏模量。根据测试结果,本文给出了强度和杨氏模量的经验公式。

著录项

  • 来源
    《Construction and Building Materials》 |2013年第3期|514-521|共8页
  • 作者单位

    Department of Civil and Environmental Engineering, Yamaguchi University, Tokiwadai 2-16-1, Ube, Yamaguchi 755-8611, Japan;

    School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan, Ningxia, China;

    Department of Civil and Environmental Engineering, Kure National College of Technology, Kure, Hiroshima, Japan;

    Energia Eco Materia Co., Inc., Hiroshima, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    uniaxial tensile strength; tensile young's modulus; fly ash; early age;

    机译:单轴抗拉强度拉伸杨氏模量粉煤灰早年;

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