摘要
针对青岛国际会展中心二期工程大体积预应力混凝土要求低热、抗裂、早强和耐久的特点,在确定了混凝土配合比设计的基本原则后,对配合比进行了性能试验,对混凝土的早期强度、碳化、氯离子扩散、收缩及抗裂性能等指标进行了试验测试,并在工程中实际应用,取得了较好的效果.
This paper studies the mass prestress concrete from Qingdao International Convention Center project. The mass prestress concrete wants lower hydratization heat, higher crack resisting ability, early-strength and durability. Under the basic design principle of ratio of mixture, the performance tests of the concrete mixture ratio, concrete early-strength, carbonation, the chlorine ion diffusion, concrete shrinkage, crack-resistant property etc. are carried out. All of these get good results in construction practice.
出处
《青岛理工大学学报》
CAS
2006年第6期25-27,35,共4页
Journal of Qingdao University of Technology
关键词
预应力结构
大体积混凝土
配合比
优化
prestress concrete structure, mass concrete, mixture ratio, optimization