寒潮袭击时的温度应力及简化计算  

Temperature Stress and Simplified Computation Subjected to Temperature Drop

作　　者：张子明[1] 石端学[1] 倪志强[1] 

机构地区：[1]河海大学土木工程学院,南京210098

出　　处：《红水河》2006年第2期119-121,127,共4页Hongshui River

摘　　要：采用叠加原理,研究气温骤降时,大体积混凝土表面的温度变化、最低温度值和温度应力的简化计算方法。给出混凝土不同龄期和不同的表面保护措施下,气温骤降引起的温度变化规律,并结合实际工程,研究寒潮时应采取的表面保护措施。Using the principle of superposition, a simplified computational method of mass concrete surface temperature change, the lowest temperature value and temperature stress is provided when the temperature drops quickly. Temperature change laws of mass concrete surface owing to the temperature drop, under the condition of different concrete age times and the different surface protection measures are presented. Combining practice project, the surface protection measures which should be taken during the temperature drop are researched.

关 键 词：叠加原理 寒潮 大体积混凝土 温度应力 

分 类 号：TV315[水利工程—水工结构工程]