Construction and Quantification of Rheological Model of Fresh Concrete towards Development of Workability Design

本研究的目的是建立和量化新拌混凝土的流变模型。利用旋转粘度计，在试验结果的基础上，建立了考虑剪胀特性的鲜砂浆粘塑性流动模型。阐明了外加剂、时间进程、空气含量和剪切应变加速度对模型的影响。最后，建立了新混凝土流变仪的原型。

Purpose of this study is construction and quantification of rheological model of fresh concrete. Formularization of Visco-plastic flow model of fresh mortar considering dilatancy property was carried out based on experimental results by using of rotation visco meter. And influences of admixtures, time course, air content and shear strain acceleration on suggested model were clarified. At the last, a prototype rheometer for fresh concrete was built.