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山东大学学报 (工学版) ›› 2025, Vol. 55 ›› Issue (2): 97-105.doi: 10.6040/j.issn.1672-3961.0.2024.010

• 土木工程 • 上一篇    下一篇

碳化钢渣细骨料混凝土本构关系

薛刚1,2,3,邬松1*,董伟1,2   

  1. 1.内蒙古科技大学土木工程学院, 内蒙古 包头 014010;2.内蒙古自治区土木工程安全与耐久性重点实验室, 内蒙古 包头 014010;3.内蒙古自治区建筑结构防灾减灾工程技术研究中心, 内蒙古 包头 014010
  • 发布日期:2025-04-15
  • 作者简介:薛刚(1968— ),男,内蒙古包头人,教授,硕士生导师,博士,主要研究方向为新型混凝土材料与结构. E-mail:xuegang-2008@126.com. *通信作者简介:邬松(1994— ),男,江西抚州人,硕士研究生,主要研究方向为新型混凝土材料与结构. E-mail:2922487106@qq.com
  • 基金资助:
    国家自然科学基金资助项目(52168032);2023年度自治区直属高校基本科研业务费资助项目(2023RCTD025)

Properties of carbonized steel slag fine aggregate concrete

XUE Gang1,2,3, WU Song1*, DONG Wei1,2   

  1. XUE Gang1, 2, 3, WU Song1*, DONG Wei1, 2(1. College of Civil Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China;
    2. Inner Mongolia Autonomous Region Key Laboratory of Civil Engineering Safety and Durability, Baotou 014010, Inner Mongolia, China;
    3. Inner Mongolia Autonomous Region Building Structure Disaster Prevention and Mitigation Engineering Technology Research Center, Baotou 014010, Inner Mongolia, China
  • Published:2025-04-15

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摘要： 为研究碳化钢渣细骨料对混凝土性能的影响规律,对碳化钢渣进行物理化学试验,制备了普通混凝土及10%、20%及30%三种体积分数的碳化钢渣细骨料混凝土(carbonized steel slag fine aggregate concrete, CSSFC),研究碳化钢渣体积分数对混凝土力学性能及体积安定性的影响规律。结果表明:随着碳化钢渣细骨料体积分数由10%递增至30%,CSSFC的立方体抗压强度、劈裂抗拉强度、弹性模量及峰值应变均逐渐增大,普通混凝土轴心抗压强度与立方体抗压强度的比值为0.76~0.82,CSSFC的轴心抗压强度与立方体抗压强度的比值为0.85~0.87。研究了适用于CSSFC的本构关系模型,并分析模型拟合参数与力学性能间的关系,以期为钢渣混凝土的应用及推广提供试验及理论依据。

关键词: 碳化钢渣, 混凝土, 细骨料, 力学性能, 本构关系

Abstract: In order to study the applicability of the carbon steel slag fine aggregate in concrete and mechanical properties of differences, physical and chemical tests were conducted on carbonated steel slag. Based on this, ordinary concrete and fine aggregate concrete with 10%, 20% and 30% carbonized steel slag were prepared. The influence law of the replacement rate of steel carbide slag on the mechanical properties and volume stability of concrete was studied. Research had found that with the addition of fine aggregate of carbonized steel slag from 10% to 30%, the cube compressive strength, splitting tensile strength, elastic modulus, and peak strain of carbonized steel slag aggregate concrete gradually increased. Axis of normal concrete compressive strength and cube compressive strength ratio was 0.76-0.82, and that of carbonized steel slag concrete was 0.85-0.87. At the same time, the constitutive relationship models applicable to carbonated steel slag fine aggregate concrete were studied and summarized, and the relationship between model fitting parameters and mechanical properties was analyzed, In order to provide theoretical support for the application and popularization of steel slag concrete.

Key words: carbonized steel slag, concrete, fine aggregate, mechanical property, constitutive relation

中图分类号: 

  • TU528
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