• Temperature and shrinkage crack of huge concrete can destruct concrete structure, so it is important to control the crack.

    体积混凝土结构温度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。

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  • This paper states the temperature stress and load value, puts forward the conformation measures of crack control in structural design and construction.

    本文论述温度应力、温度荷载取值,并根据实际情况提出结构设计施工时裂缝控制构造措施

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  • 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温度裂缝进行观测分析,探讨其开裂原因,并提出简单合理有效处理方法

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  • The carrying capacity of bed slab was analyzed in each condition, further considers the influence of temperature stress and the crack control.

    各种最不利情况进行承载能力分析,进一步考虑温度应力影响裂缝控制

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  • Pertinent measures of temperature control and crack prevention are suggested, settling the practice problems in projects.

    并针对性地提出相应温控防裂措施,解决工程实际问题

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  • 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,解决混凝土温控防裂问题保证混凝土施工质量关键之一

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  • 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.

    极限浓度常温介质浓度对裂纹扩展动力学控制过程影响进行了讨论。

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  • The paper gives the formula of temperature stress by analyzing the cause, classification and control mechanism of the the thermal crack control of concrete.

    通过混凝土温度裂缝分类成因控制机理分析,总结了混凝土温度应力公式

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  • 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、有效温度控制以及合理的养护,目前,泄洪洞各方面质量满足要求。发现裂缝。

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  • In addition, spiral case design method by layers and blocks, concrete temperature control, construction quality control, additional anti-crack reinforcement bar disposal, etc.

    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等技术措施。

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  • 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约束比对温度收缩应变裂缝影响程度,推导出R.C结构四周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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  • 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约束比对温度收缩应变裂缝影响程度,推导出R.C结构四周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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