Temperature and shrinkage crack of huge concrete can destruct concrete structure, so it is important to control the crack.
大体积混凝土结构的温度与收缩裂缝对混凝土结构具有破坏作用，控制裂缝的产生，十分重要。
This paper states the temperature stress and load value, puts forward the conformation measures of crack control in structural design and construction.
本文论述了温度应力、温度荷载的取值，并根据实际情况提出了结构设计和施工时裂缝控制的构造措施。
Abstract : the temperature cracks of mansonry structure in the body of attique were observed and analyzed, a simple, reasonable and highly effective method of crack control is given.
文摘：对砖混结构顶层墙体普遍存在的温度裂缝进行观测、分析，探讨其开裂原因，并提出了简单、合理、有效的处理方法。
The carrying capacity of bed slab was analyzed in each condition, further considers the influence of temperature stress and the crack control.
对各种最不利情况进行承载能力分析，进一步考虑温度应力的影响及裂缝的控制。
Pertinent measures of temperature control and crack prevention are suggested, settling the practice problems in projects.
并针对性地提出了相应的温控防裂措施，以解决工程实际问题。
The temperature control and crack prevention of the concrete is one of the key technical problems concerning the concrete construction quality.
永久船闸混凝土工程结构复杂，工期紧张，解决混凝土的温控防裂问题，是保证混凝土施工质量的关键之一。
And the effect of limit concentration and concentration of the medium at normal temperature on the dynamic control process of crack propagation is also discussed.
并对极限浓度及常温下介质浓度对裂纹扩展的动力学控制过程影响进行了讨论。
The paper gives the formula of temperature stress by analyzing the cause, classification and control mechanism of the the thermal crack control of concrete.
通过对混凝土温度裂缝分类、成因与控制机理的分析，总结了混凝土温度应力的公式。
By reasonable pouring, mix proportion optimizing, effective temperature control and reasonable curing, the concrete quality of spillway tunnel is guaranteed and no crack found.
通过合理选择浇筑措施、优选配合比、有效的温度控制以及合理的养护，目前，泄洪洞各方面质量均满足要求。且：禾发现裂缝。
In addition, spiral case design method by layers and blocks, concrete temperature control, construction quality control, additional anti-crack reinforcement bar disposal, etc.
并结合工程实际介绍了分层分块设计、混凝土温控、施工质量控制、增设温度筋和抗裂筋等技术措施。
The formula of strain and crack width of temperature and contraction with no varying place constraint con detion are deduced, capale be design basis for crack control of R. C structure.
阐述了砼结构体表比和约束比对温度和收缩应变和裂缝的影响程度，推导出R．C结构在四周无变位边界约束条件下的温度和收缩应变、应力及裂缝宽度计算公式和运用实例。
The formula of strain and crack width of temperature and contraction with no varying place constraint con detion are deduced, capale be design basis for crack control of R. C structure.
阐述了砼结构体表比和约束比对温度和收缩应变和裂缝的影响程度，推导出R．C结构在四周无变位边界约束条件下的温度和收缩应变、应力及裂缝宽度计算公式和运用实例。
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