The problem of thermal stress and a need for temperature control in the mass concrete construction also occur in the roller compacted concrete dams(RCCD).
大体积混凝土的温度应力问题与温度控制要求在碾压混凝土坝中同样存在。
The measured strain of concrete includes the elastic strain, creep strain and also the non-stress strain like the concrete free deformation and temperature strain.
混凝土实测应变包含弹性应变、徐变应变及混凝土自由变形、温度应变等非应力应变。
The stress and deformation of the concrete box girder under the temperature load is one of the main factors affecting engineered quality.
温度荷载作用下的混凝土箱梁的应力和变形,是影响工程质量的主要因素之一。
Cracks design of reinforced concrete structure focuses on the cracks caused by temperature and shrinkage stress which is traditionally controlled through "resistance" and "relieving".
钢筋混凝土框架结构的裂缝设计主要是针对温度和收缩应力产生的裂缝,历来有“抗”与“放”两种不同的处理方法。
On the base of actual bridge observation and test research, this paper discusses the temperature stress effect to concrete box girders which caused by temperature load.
在实桥观测与试验研究的基础上,对温度荷载所产生的温度应力对混凝土箱梁的作用进行了探讨。
The space finite element analysis indicated that the prestressed concrete box girder's stress and the distortion are sensitive to the change of gradient of temperature pattern.
空间有限元分析表明,预应力混凝土箱梁的应力和变形对温度梯度模式的变化较为敏感。
In the computation of stress field, the factors, such as temperature load, deadweight of concrete, water potential, creep stress and self expansion of concrete, are involved in the program.
计算中考虑了温度荷载、自重、静水压力、混凝土徐变和自生体积变形等情况。
Analysis of temperature stress in the super-length reinforced concrete structure is one of the most important problem to the engineers.
超长钢筋混凝土结构温度应力分析一直是设计人员所关注的课题。
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。
But, concrete placement temperature, surrounding temperature and the heat of hydration of cement, they take a more affection on lining thermal stress.
混凝土的浇筑温度、环境温度以及水泥水化热对温度应力的影响十分显著。
This paper gives a brief presentation of temperature control basic main points and effects of concrete properties on temperature stress.
扼要叙述了温控设计的基本要点、混凝土特性对温度应力设计的影响。
Fatigue property of lean concrete should be studied when the material is set as base course since it withstands the repeated actions of load stress and temperature stress.
贫混凝土用于路面基层时,由于受到荷载应力和温度应力的反复作用,需研究其疲劳特性。
In accordance with cracking in concrete, preventing and controlling measures are put forward by site controlling of concrete temperature and analyzing temperature stress.
针对混凝土裂缝产生的原因,就现场混凝土温度的控制以及对混凝土温度应力进行分析,提出混凝土裂缝的预防和控制措施。
The paper studies the simplification calculation method of concrete shrinkage and the calculation of temperature and shrinkage stress that takes the effects of concrete creep into account.
讨论了混凝土收缩简化计算方法及混凝土徐变对温度及收缩应力计算的影响;
According to consideration of restriction and creep deform in mass concrete, the temperature field and thermal stress are simulated through the finite element program ANSYS.
并考虑混凝土的内外约束及混凝土的徐变变形,用有限元法求解混凝土不利面的温度应力,并用大型有限元软件ANSYS对温度场和应力场进行了模拟。
A calculating formula of temperature stress for one floor reinforced concrete frame structures were presented by theory analysis, it contribute to calculating of the values of expansion joint spacing.
以单层框架为例,通过理论分析,计算出框架结构的温度应力,这将有助于伸缩缝间距的计算。
In order to further understand the temperature on the long concrete structure stress the impact of stress on the structure of the temperature of super-long stress of basic research is necessary.
为了进一步了解温度对超长混凝土结构应力的影响,对超长结构的温度应力问题的基础性研究是非常有必要的。
The change of the components leads to high temperature stress, as well as remarkable shrinkage and deformation; also, its characteristics induce friability and fissility of concrete.
现代混凝土组分的变化导致了温度应力高、收缩变形大,早强和高强也引发了混凝土的早裂和高脆性。
The problem, which occurs most often in the construction of large volume concrete, is the problem of cracking caused by temperature stress.
大体积砼的施工中出现最多的问题是温度应力导致的裂缝问题。
In large volume of concrete, temperature stress and temperature control is of great significance.
在大体积混凝土中,温度应力及温度控制具有重要意义。
The concrete cracks in sluice pier wall of New Kaituo River were checked, and it was found that the temperature stress and shrink stress are the main reasons for cracks formation.
对新开沱河节制闸墩墙的裂缝进行了检测,分析认为温度应力及收缩应力是裂缝产生的主要原因。
For mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.
对于大体积混凝土建筑,水泥水化热引起混凝土浇筑内部温度和温度应力剧烈变化,是导致混凝土发生裂缝的主要原因。
The temperature effect of super-long concrete floor is so obvious that the tensile stress will easily lead to extensively slab crack.
超长连续混凝土板的温度效应十分显著,易造成楼板大开裂。
The hydration heat of massive concrete does not emanate easily, so the internal temperature will be very high which will generate high thermal stress, then the temperature crack will appear.
大体积混凝土的水化热不容易及时散发,内部温升将会很高,从而产生很大的温度应力,导致出现温度裂缝。
This paper discusses the kinds of thermal load and regularities of temperature distribution in reinforced concrete frame structure, analyzes the cause of thermal deformation and thermal stress.
本文讨论了钢筋混凝土框架结构的温度荷载类型和温度分布规律,分析了钢筋混凝土框架结构温度变形和温度应力产生的原因。
Temperature Stress in open reinforced concrete pressure pipe usually is one of the important reasons why their longitudinal cracks-occur in use.
外露式钢筋混凝土压力管道的温度应力,常是某些这类管道在运用期内产生纵向贯通裂缝的重要原因之一。
This paper analyses fissures on the top floor of multistory brick-concrete building and puts forward preventive measures against the fissures caused by temperature stress.
本文分析了多层砖混房屋顶层墙体裂缝现象,并对温度应力引起的墙体裂缝提出了预防措施。
How to calculate thermal creep stress filed of early-age concrete considering temperature effect by ANSYS software.
如何基于ANSYS软件平台进行考虑温度影响效应的混凝土结构早期温度徐变应力场的计算。
How to calculate thermal creep stress filed of early-age concrete considering temperature effect by ANSYS software.
如何基于ANSYS软件平台进行考虑温度影响效应的混凝土结构早期温度徐变应力场的计算。
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