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温度对含碳纤维水泥水化及抗压强度的影响

李勇 徐协文 杨现锋 曾维萱

长沙理工大学学报(自然科学版)Issue(2):98-102,5.
长沙理工大学学报(自然科学版)Issue(2):98-102,5.

温度对含碳纤维水泥水化及抗压强度的影响

Influence of temperature on the process of hydration and compressive strength of cement containing carbon fiber

李勇 1徐协文 1杨现锋 1曾维萱1

作者信息

  • 1. 长沙理工大学 物理与电子科学学院,湖南 长沙 410004
  • 折叠

摘要

Abstract

Cement containing carbon fiber can be widely applied in structures such as road, dock and airport surfaces.To explore the influence of temperature on the hydration process and compressive strength of that cement,comparative analysis was carried out through XRD diffraction analysis,combined with SEM observation and the determination of com-pressive strength.At curing temperature for 10 ℃,25 ℃ and 100 ℃ respectively,specimen was prepared with a dimension of 40×40×40 mm prior to curing for a definite time (i.e.3, 7 and 28 days).Experimental results show that increase of curing temperature,can promote the formation of C-S-H gel and C-H in carbon fiber reinforced cement,thus improve the compressive strength.Appropriately increasing hydration temperature of carbon fiber reinforced cement could accelerate the hydration processes of that cement.

关键词

抗压强度/养护温度/碳纤维/水泥水化

Key words

compressive strength/curing temperature/carbon fiber/cement hydration

分类

建筑与水利

引用本文复制引用

李勇,徐协文,杨现锋,曾维萱..温度对含碳纤维水泥水化及抗压强度的影响[J].长沙理工大学学报(自然科学版),2014,(2):98-102,5.

基金项目

国家自然科学基金资助项目(4000167) (4000167)

长沙理工大学学报(自然科学版)

OACSTPCD

1672-9331

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