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水工混凝土裂缝产生的原因,与基础约束情况、混凝土的施工质量、混凝土温度控制水平和伸缩缝设置等有密切的关系,文章针对闸底板大体积混凝土温控与防裂措施进行了阐述,对黑岗口水库闸底板工程采用的常规大体积混凝土温控防裂、预埋冷却水管、设置后浇带、温控监测措施等进行了叙述,这些技术在该工程中温控与防裂效果良好,类似工程值得借鉴。
The causes of hydraulic concrete cracks are closely related to the basic constraints, the construction quality of concrete, the temperature control level of concrete and the setting of expansion joints. The paper describes the temperature control and crack prevention measures of mass concrete in sluice floor, The conventional mass concrete temperature control cracking prevention, embedded cooling water pipes, post-pouring zone and temperature control monitoring measures used in the sluice floor of Heigangkou Reservoir were described. The temperature control and anti-cracking effect of these technologies are good in this project , Similar projects worth learning.