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温度裂缝是指由于温度的变化而使由几种线性膨胀系数不同的建筑材料和构件构成的建筑物产生不均匀的伸缩而出现的裂缝。裂缝的出现不仅影响建筑物的外形美观,而且会造成墙体渗水、透风,降低房屋的整体刚度和耐久性,影响房屋的使用功能。河北省黄骅市为6度抗震设防地区,对建筑物的整体刚度要求较高,所以砖混结构建筑多采用整体式钢筋混凝土屋盖,整体性较强。且该市四季分明,气温变化比较大,夏季最高气温达38~41℃,冬季最低气温
Temperature cracks refer to the cracks that occur due to uneven temperature expansion and contraction caused by the change of temperature caused by several kinds of building materials and components with different linear expansion coefficients. The appearance of cracks not only affects the aesthetic appearance of the building, but also causes the seepage and ventilation of the wall, reduces the overall rigidity and durability of the house, and affects the use function of the house. Huanghua City, Hebei Province, 6 degrees earthquake fortification areas, the overall stiffness of the building requires a higher, so the use of integrated brick masonry concrete structure more integrated roof, more integrity. And the city has four seasons, the temperature change is relatively large, summer maximum temperature of 38 ~ 41 ℃, winter minimum temperature