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混凝土水化
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  concrete hydration
     Experiment and Analysis & Research on Concrete Hydration Heat of Girders of Cable-Stayed Bridge
     斜拉桥主梁混凝土水化热的实验与分析研究
短句来源
     Finally, by combining temperature control of box beam hydration heat in scene, establishing box beam solid model by applying finite element software, imitating temperature field distribution of concrete hydration heat, and comparing with
     最后结合现场箱梁水化热温度控制,运用有限元软件建立箱形梁的实体模型,模拟实际混凝土水化热温度场分布,与实测资料对比分析,提出该梁段合理养护措施,施行有效温度控制,防止温度裂缝的出现,并对箱梁温度控制提出设计和施工的注意事项,为工程设计人员和现场施工提供一定的参考。
短句来源
     According to optimization of concrete mix proportion, decreasing heat of concrete hydration, controlling molding temperature, monitoring temperature, limiting concrete mixing, transportation, vibrating time and reasonable maintenance, this paper provided methods and measures of controlling mass concrete temperature fracture, which can be applied to large compressor construction in Henan oilfield to ensure the construction quality.
     通过优化混凝土配合比,降低混凝土水化热,控制混凝土入模温度、监测温度,限制混凝土的拌制、运输、振捣时间及合理的养护,提出了控制大体积混凝土温度裂缝的方法及措施,这些措施应用于河南油田的一大型压缩机基础的施工中,保证了施工质量。
短句来源
     Analysis of Concrete Hydration Heat,Shrinkage and Creep of Thin-Wall Piers
     薄壁墩混凝土水化热及收缩徐变分析
短句来源
     The authors investigated the dissipation process of the concrete hydration heat during concrete pouring for No. 14 dam block of the Three Gorges Project by using a distributed optical fiber temperature sensing system.
     以光纤分布式测温系统为手段,研究了三峡工程左厂14坝段浇筑过程中混凝土水化热的释放过程。
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  concrete hydrous
     ? By the analysis of concrete hydrous heat,the authous point out that concrete hydrous heat is the main factor inducing to cracks of Large volume of concrete,give out the general anticrack constructional measures for concrete of high rase building.
     通过对混凝土水化热的分析 ,指出混凝土水化热是导致大体积混凝土裂缝的主要原因 ,给出了高层建筑基础大体积混凝土工程一般的抗裂构造措施。
短句来源
  concrete hydrant
     Asthe girder section of cable-stayed bridge islarge and bigger variationsexist in longitudinal and transverse directions,experiment for concrete hydrant heat isextremely necessary.
     由于斜拉桥主梁截面比较大而且在纵向、横向还存在较大的变化,所以其混凝土水化热的实验十分必要。
短句来源
     To gain true data of construction site,strict measuring hasbeen made on concrete hydrant heat during the construction of Xiantao Hanjiang highway bridge with method of embedded thermal resistor in experimental road section,and analysisisthen made on measurement data.
     为了取得真实的现场施工资料,在仙桃汉江公路大桥施工过程中,对特定的实验段,采用预埋热敏电阻的方法对混凝土水化热做了严密的测量,并对其测量结果进行了认真的分析。
短句来源
  “混凝土水化”译为未确定词的双语例句
     Application of Excel to Hydration Heat Experiment of Concrete
     Excel在混凝土水化热试验中的应用
短句来源
     Research on method of reading in temperature field of hydration heat of concrete based on ANSYS software
     基于ANSYS的混凝土水化热温度场读取方法
短句来源
     The Test and Study of Temperature and Temperature Strain in Hydration Heat of Box Beam Concrete
     箱梁混凝土水化热温度及温度应变的试验研究
短句来源
     Study on Heat of Hydration on High Strength Concrete
     高强度混凝土水化热的研究
短句来源
     The influence of temperature on prestressed concrete box beams and the reason of thermal stresses development are analyzed.
     分析了温度对预应力混凝土箱形梁的影响及产生温度应力的原因,认为温度梯度曲线选择不当和对混凝土水化热与收缩产生的残余应力重视不够是温度应力引起预应力混凝土箱形梁开裂的主要原因。
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Several formulas for the computation of temperature field and temperature load in arch dams are presented in this paper. In these formulas, some actual conditions are taken into consideration,such as:the time lag of the water temperature variation on the upstream face compared with the air temperature variation on the downstream face of the dam, the effect of two dimensional heat conduction on top of the dam,two and three dimensional natural cooling problems arising from the heat generated internally by the...

Several formulas for the computation of temperature field and temperature load in arch dams are presented in this paper. In these formulas, some actual conditions are taken into consideration,such as:the time lag of the water temperature variation on the upstream face compared with the air temperature variation on the downstream face of the dam, the effect of two dimensional heat conduction on top of the dam,two and three dimensional natural cooling problems arising from the heat generated internally by the hydration of concrete, etc.Some numerical examples are included to demonstrate the computation and their results are used to compare with the field's data.

本文介绍一些计算拱坝温度场和温度荷载的公式.这些公式进一步考虑到某些实际情况,例如:上游面水温的变化比下游面气温滞后一段时间,坝顶二维热传导的影响,由混凝土水化热引起的二维和三维天然冷却问题等,比现有一些解答更接近实际.文中给出一些数例以便讨论并和现场实测的数值作比较. 本文分两篇,第一篇内容包括:一、无水化热温升的一维天然冷却;二、包括水化热温升在内的二维和三维天然冷却.第二篇包括:三、拱坝温度荷载的计算;四、算例和拱坝温度荷载计算中的一些问题;五、结束语.

This paper analyses the hydration, the hardening and the microstructural characteristics of the spontaneous combustion gangue concrete by means of Xray analysis and scanning electron microscope technology, it tries to describe the relations between the hydration products, the microstructure of concrete and its development of strength.

本文采用x射线分析及扫描电镜技术,分析了自然煤矸石混凝土的水化硬化及微结构特征,试图说明水化产物、微结构与其强度发展的关系。

This paper principally describes MDF and DSP cements obtained by the addition of ultra-fine particle additives and high efficiently dispensing agents in foreign countries. The mechanism for producing high and ultra high strength concretes using these cements is discussed, and propert(?)es of the concretes are summarized. The paper points out that the principle of using blast-furnace slag for concre e is different from the earller one,and that ultrafine slag powder can improve properties of concrete due to improving...

This paper principally describes MDF and DSP cements obtained by the addition of ultra-fine particle additives and high efficiently dispensing agents in foreign countries. The mechanism for producing high and ultra high strength concretes using these cements is discussed, and propert(?)es of the concretes are summarized. The paper points out that the principle of using blast-furnace slag for concre e is different from the earller one,and that ultrafine slag powder can improve properties of concrete due to improving hydration conditions.

本文主要介绍国外通过超微粒子掺合料与高效能分散剂的组合所研制成的MDF水泥和DSP水泥,配制高强度和超高强度混凝土的机理和混凝土特性。关于高炉矿渣的利用,与目前传统概念不同的是高炉矿渣微粉末通过改变刺激物质可以改善高炉矿渣混凝土的水化条件。

 
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