高岩温对喷射混凝土性能影响研究进展

摘要/Abstract

摘要： 在一些重大隧道工程中经常会发生高岩温现象,高温会导致喷射混凝土的工作性能、力学性能和耐久性能劣化,从而影响隧道结构的稳定性和安全性,因此研究高岩温对喷射混凝土性能的影响至关重要。本文综述了近年来有关高岩温对喷射混凝土力学性能、耐久性能和微观结构影响的研究进展,介绍了高岩温下喷射混凝土的改性措施,并对今后针对高温隧道热害问题的防治措施进行了展望。

关键词: 高岩温, 喷射混凝土, 力学性能, 耐久性能, 微观结构

Abstract: In some major tunnel projects, the phenomenon of high rock temperature often occurs. High temperature will lead to the deterioration of the workability, mechanical properties and durability of shotcrete, which will affect the stability and safety of tunnel structure. Therefore, it is vital to study the influence of high rock temperature on the performance of shotcrete. This paper summarizes the research progress on the effect of high rock temperature on the mechanical properties, durability and microstructure of shotcrete in recent years, introduces the modification measures of shotcrete under high rock temperature, and prospects the prevention and control measures for thermal damage of high temperature tunnel in the future.

Key words: high rock temperature, shotcrete, mechanical property, durability, microstructure

中图分类号:

TU528

陈俊松, 王伟, 乔敏, 赵爽, 曾鲁平. 高岩温对喷射混凝土性能影响研究进展[J]. 硅酸盐通报, 2021, 40(5): 1441-1452.

CHEN Junsong, WANG Wei, QIAO Min, ZHAO Shuang, ZENG Luping. Research Progress on Influence of High Rock Temperature on Performance of Shotcrete[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(5): 1441-1452.

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