Analysis is made on the causes of concrete temperature cracking, on the concrete temperature control of works, and given the preventions.
对混凝土温度裂缝产生的原因、现场混凝土温度的控制和预防裂缝的措施进行等进行阐述。
Therefore well controlling of difference in temperature and temperature strain are important measures on concrete cracking control.
因此，控制好内外温差和温度变形是防止大体积混凝土出现裂缝的重要方法。
According to the characteristic of the pipeline cracking furnace, a new neural network optimization control strategy of cracking furnace′s output temperature is put forward.
根据管式裂解炉的特点，提出了一种管式裂解炉出口温度优化控制方法。
Mass waterproof concrete structure is a main waterproof barrier of underground works. Its technical crux is how to control temperature cracking of the concrete.
大体积防水混凝土结构是地下防水工程中的主要防水屏障，其技术难点是如何控制混凝土温度裂缝。
The temperature characteristic and temperature control methods of massive concrete are analyzed, the main factors of massive concrete cracking are studied with the tested temperature field computing.
结合实测大体积混凝土结构温度场，分析了造成大体积混凝土开裂的主要因素。
The samples were then taken out, and visually examined for any fading and cracking by comparison with control, when was placed at room temperature.
把样品取出，与在室温中的样品相比较，检查是否有褪色、破裂等现象出现。
The main point of bulky concrete curing is to control the temperature difference of the center and appearance of concrete, maintain a certain humidity and prevent cracking.
大体积混凝土的养护主要是控制混凝土中心和表面的温差，保持一定的湿度，防止产生裂缝。
Some factors which affect shell cracking, such as temperature, humidity, air flow velocity in shell building room were discussed in this paper and control measures were showed.
讨论了型壳间温湿度、风力对型壳开裂的影响，并提出了监控的具体措施。
In this paper, the research status of temperature control of mass concrete, cracking control and effect of cooling water pipes is introduced.
本文介绍了大体积混凝土温控和防裂的研究现状，冷却水管冷却效果的研究现状。
In this paper, the research status of temperature control of mass concrete, cracking control and effect of cooling water pipes is introduced.
本文介绍了大体积混凝土温控和防裂的研究现状，冷却水管冷却效果的研究现状。
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