喷射混凝土技术及其速凝剂的发展

Development of shotcrete technologies and accelerators

喷射混凝土技术在喷射混凝土工程实施过程中起着重要的作用,速凝剂的选择则直接影响着喷射混凝土技术的应用。从干喷和湿喷两方面详述了喷射混凝土技术的发展历程,从粉状和液体两个角度阐述了速凝剂的应用研究,指出目前喷射混凝土技术及速凝剂在工程应用中存在的问题,并对其发展前景进行了展望。

Shotcrete technologies take important effects on implementation processes of shotcrete projects.Meanwhile the choice of accelerators influences directly the application of shotcrete technologies.Development history of shotcrete technologies was specified from two aspects of dry spraying and wet spraying;application researches of accelerators were expounded from all two perspectives of powder and liquid ;problems of shotcrete technoloies and accelerators currently existing in projects were pointed out;and prospect forecast of shotcrete technologies and accelerators was given.