高性能海工混凝土的应用  

Application of High Performance Marine Concrete

作　　者：段建锋 王宏民 吴奔超 Duan Jianfeng;Wang Hongmin;Wu Benchao

机构地区：[1]中交二公局第二工程有限公司,陕西西安710065

出　　处：《江苏建材》2023年第4期33-34,共2页Jiangsu Building Materials

摘　　要：以秀山大桥工程为例,通过对锚块高性能C30海工混凝土施工的复杂性分析以及对材料质量的把控和配合比优化,考虑到混凝土抗裂要求、耐久性和材料间的匹配性需达到设计指标要求,确定所配制的混凝土性能指标满足设计要求。设计出合格的高性能海工混凝土,在秀山大桥2标段锚碇、桩基、扩大基础、支墩、横梁等构件中成功使用,确保了混凝土的施工质量。Taking the Xiushan Bridge project as an example,considering the complexity of the construction of high-performance C30 marine concrete for anchor blocks,the control and optimization of material quality and ratio,the requirements of concrete crack resistance,durability and compatibility between materials to meet the design index requirements,the performance indicators of the prepared concrete are determined to meet the design requirements.Qualified high-performance marine concrete is designed and successfully used in anchor blocks,pile foundations,enlarged foundations,pier columns,beams and other components in Section 2 of Xiushan Bridge,ensuring the construction quality of concrete.

关 键 词：高性能海工混凝土 配合比 耐久性和抗裂性 掺量 

分 类 号：TU755.4[建筑科学—建筑技术科学]