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针对海洋环境下浪溅区腐蚀作用等级高、常规温控措施较难实施的特点,对全桥浪溅区的大体积混凝土裂缝控制措施进行了统筹规划,依据混凝土构件尺寸、方量和施工期,在仿真计算的基础上,采取优化配合比、通冷却海水、优化结构设计和精细化养护、全程温度监测等措施。现场实施情况表明,采取上述措施后有效地避免了浪溅区混凝土结构的温度裂缝。
In view of the high corrosion level in the splash zone and the difficult implementation of the conventional temperature control measures in the marine environment, the control measures for the mass concrete crack in the full-wave splash zone are comprehensively planned. According to the concrete component size, On the basis of the simulation calculation, the measures such as optimizing the mixing ratio, cooling the sea water, optimizing the structural design, refining and maintaining, and monitoring the temperature of the whole area are taken. Site implementation shows that the above measures to effectively avoid the wave splash zone concrete structure temperature cracks.