| 1. | It is high performance concrete of low water - binder ratio . with its own gravity and without any vibration , it can fill up the space automatically . with high adding quantity of fly ash and slag , high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete . scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate , additives , content of cementions material , admixture reasonably and the optimum design of mix proportion
本文研究了采用吉林省本地原材料和常规生产工艺配制c40自密实混凝土的制作技术,采用水胶比、粉煤灰掺量、砂率、胶凝材料总量四个因素进行配合比的正交设计,试验分析了自密实混凝土拌合物的工作性以及硬化后的力学性能、耐久性和生产与施工注意事项,并对其经济性做出了客观评价,本次试验为吉林地区自密实混凝土的推广应用提供了数据基础。 |
