杭州湾跨海大桥承台海工高性能混凝土的试验研究

该文根据杭州湾跨海大桥承台混凝土数量大、环境恶劣等特点，对海工高性能、大体积混凝土的性能指标进行了试验和研究。混凝土配合比设计以耐久性为核心、各项性能均衡一致为目标、并遵循抗氯离子渗透性与抗裂性并重的原则，采用大掺量矿物掺和料、性能优良的聚羧酸减水剂、低水胶比等技术，配制出抗氯离子渗透性好、水化热低、体积稳定性好、抗裂性能良好的承台混凝土。有关数据可供类似工程参考。

Experimental Study of High Performance Concrete in Sea Engineering of Base Slab for Hangzhou Bay Crossing-sea Bridge

Based on the characteristics of mass concrete of base slab and the bad environment where Hangzhou Bay Crossing-sea Bridge is placed,the article experiments and studies the performance indexes of the high performance and mass concrete in the sea engineering.The design of concrete mixture ratio is at the core of durability and aimed at the equilibrium and identity of various performances,and following the principle of paying equal attention to the anti-chlorine ion penetrability and the crack resistance,the t...