• Casting and curing of concrete at elevated temperature would decrease its compressive strength.

    拌和养护温度混凝土压强度低。

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  • The early water curing of concrete is longer and then the rate of late drying shrinkage of concrete is faster.

    延长混凝土早期时间,并不减少混凝土干燥收缩值,反而会使速率加快;

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  • The paper briefly narrates the reasons for mass concrete crack, prediction of crack, field control, material selection and curing of concrete.

    简述体积混凝土裂缝产生原因,裂缝预测现场控制材料选择,混凝土养护

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  • Mixed efficient jianshuiji USES steam curing of concrete, concrete should have the necessary structure strength to warming, steaming raise system should be determined by test.

    高效水剂混凝土采用蒸汽养护时,混凝土具有必要的结构强度才能升温制度通过试验确定

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  • Quality of concrete depends on proper placing, finishing, and curing.

    混凝土质量弃决恰当的灌注养护

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  • Quality of concrete depends on proper placing, finishing, and curing.

    混凝土质量取决于得当的贯注、抹光养护

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  • Based on the principle of vortex effect in electromagnetics, a green curing method that is superior to traditional winter concrete curing is brought forward in this paper.

    基于电磁学涡流效应原理,提出了涡流感应加热法这种优越于传统混凝土养护绿色养护方法

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  • After curing, each of the concrete walls was "tilted up" 22-feet high and into place by crane.

    固化每一混凝土倾斜22英尺起重机组装到位

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  • Slow, careful curing of the concrete improves the hydration of the cement.

    混凝土缓慢精心养护可以改善水泥水化作用

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  • This paper discusses the influence of the high performance curing agent on technical properties, as well as the economical properties of concrete cured by the agent.

    通过试验研究高性能养护混凝土各项技术性能影响分析了这种养护方法技术经济性

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  • The composition and method of curing influence the microstructure and thus the physical and mechanical properties of aerated concrete.

    组成方法固化影响微观结构从而使物理力学性能加气混凝土。

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  • Quality of concrete depends on proper placing, finishing, and curing.

    混凝土品质弃决恰当的灌注养护

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  • Based on the characteristics of three different grain depots, the paper introduces the process of selection of materials, thermal insulation, concrete placing and curing.

    文中针对三种不同粮库工程特点介绍了从原材料选择、现场保温措施、混凝土浇灌养护等的全过程

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  • A concrete curing agent of emulsion wax was obtained with the combination of paraffin wax, microcrystal wax and liquid wax.

    研制了一种石蜡、微蜡复配为成膜物质并经乳化而成混凝土养护

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  • The compressive strength of concrete at an age t depends on the type of cement, temperature and curing conditions.

    时间t抗压强度水泥种类温度以及养护条件有关

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  • Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.

    讨论原材料选择包括水泥品种性质拌合养护用水水质情况、外加剂种类掺合料混凝土腐蚀性能的影响。

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  • Both the sealed curing and the fog curing can reduce early age shrinkage of concrete, but the initial curing age must be emphasized.

    密封养护喷雾养护减小混凝土早期收缩必须强调养护“及时性”。

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  • The effects of high temperature, standing time after cooling, methods of cooling and curing on the compressive strength of concrete are discussed.

    探讨了受火温度、高温静置时间冷却养护方式对火灾高温后混凝土强度影响

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  • Various curing condition and different amount of water evaporated in early-age curing would lead to different strength of concrete.

    早期养护条件不同混凝土水量不同,则混凝土中后期强度也不相同。

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  • For the concrete which losing water is little at early-age, strengthen curing, the strength of concrete will be compensated.

    早期失水较少混凝土加强湿养护,混凝土强度得到较大补偿。

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  • 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.

    大体积混凝土养护主要控制混凝土中心表面温差保持一定湿度防止产生裂缝

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  • The application of steam curing process for precast segmental beams of Humin Elevated Project has increased the early strength of concrete and met the requirements of construction progress.

    沪闵高架工程预制节段梁采用蒸汽养护工艺使混凝土早期强度增长满足了施工进度要求

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  • Autogenous curing agent can improve the hydration degree of concrete, reduce the compressive stress which dropping of water in capillary of concrete caused and sensitivity to cracking.

    养护可以提高混凝土胶凝材料水化程度降低混凝土内由于水化反应导致的毛细孔水面下降所产生应力减少了裂缝的产生。

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  • A study was made on concrete creep under different curing temperatures, and the comprehensive effects of time and temperature on creep development were expressed with the chemical reaction rate.

    不同养护温度混凝土进行研究化学反应速率描述温度对混凝土徐变的影响

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  • The criterion can provide us reliable of valid experimental basis on crack resistance design and stage curing of mass concrete.

    大体积混凝土设计阶段性养护提供可靠实验依据

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  • The significance of solid strength of concrete structure and the function of the concrete strength gotten under the same curing condition are discussed in this paper.

    本文讨论了混凝土结构实体强度意义以及条件养护强度的作用

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  • A polymer modified concrete curing agent of emulsion wax was obtained from the combination of paraffin wax, microcrystalline wax and polymers by use of Uniform Design Software.

    研制以石蜡、微高聚物树脂为成膜物质并乳化而成混凝土养护

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  • This kind of cracking is mainly influenced by mixture proportions, curing conditions and restrained conditions of concrete.

    这种裂缝产生主要与混凝土配合比、养护条件混凝土所处约束条件有关

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  • In this paper, effects of different curing systems on performance of high volume fine mineral mixture of Reactive Powder Concrete were researched.

    研究不同养护制度矿物活性粉末混凝土性能影响通过孔结构和扫描电镜实验对其微结构进行分析。

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  • In this paper, effects of different curing systems on performance of high volume fine mineral mixture of Reactive Powder Concrete were researched.

    研究不同养护制度矿物活性粉末混凝土性能影响通过孔结构和扫描电镜实验对其微结构进行分析。

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