超高性能混凝土强度尺寸效应研究综述  

Review on the Size Effect of Strength in UHPC

作　　者：孟江锋 李嫄春 安继康 师营营 MENG Jiangfeng;LI Yuanchun;AN Jikang;SHI Yingying(The 11th Water Resources and Hydropower Bureau of China,Zhengzhou 450001,China;School of Civil Engineering and Communications,North China University of Water Resources and Electric Power,Zhengzhou 450045,China)

机构地区：[1]中国水利水电第十一工程局有限公司,河南郑州450001 [2]华北水利水电大学土木与交通学院,河南郑州450045

出　　处：《河南科技》2025年第1期60-63,共4页Henan Science and Technology

摘　　要：【目的】超高性能混凝土(UHPC)具有广阔的应用前景,但目前在应用中还存在诸多问题。其中,尺寸效应对UHPC力学性能的影响是不可忽视的重要因素。【方法】基于众多学者开展的宏观力学试验研究阐述了UHPC尺寸效应的研究现状。【结果】总结了试件形状、钢纤维类型、纤维掺量和纤维形状对UHPC强度尺寸效应力学性能方面的影响。【结论】通过对现有的试验结果进行总结分析,对UHPC强度尺寸效应未来的研究方向提出相关建议,以期为相关人员提供参考。[Purposes]Ultra-high performance concrete(UHPC)has broad application prospects,but there are still many problems in the current application,and among them,the influence of size effect on the mechanical properties of UHPC is an important factor that cannot be ignored.[Methods]Based on the macroscopic mechanical experimental research carried out by scholars,this paper expounds the research status of the size effect of UHPC.[Findings]This paper summarized the influence of specimen shape,steel fiber type,fiber content,and fiber shape on the size effect mechanical properties of UHPC strength.[Conclusions]Through the summary and analysis of existing test results,the future research direction of the size effect of UHPC strength is prospected,in order to provide reference and reference for relevant personnel.

关 键 词：超高性能混凝土 尺寸效应 钢纤维 力学性能 

分 类 号：TU528[建筑科学—建筑技术科学]